From 4f5acb6f7936882815f3b014bb70d57c009b701a Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Tue, 7 Jan 2020 19:30:06 +0800
Subject: [PATCH 1/7] FIX delete migration file

---
 ...20180920063955_create_graduation_topics.rb |  26 ----
 .../20181024015607_add_column_to_poll.rb      |   6 -
 ...20181105031300_add_repo_name_to_shixuns.rb |   5 -
 ...181105061745_add_repo_name_to_myshixuns.rb |   5 -
 .../20181115071148_create_relationships.rb    |  13 --
 .../20181118075620_sync_gitlab_admin.rb       |   6 -
 ...1207064509_add_cloud_url_to_attachments.rb |   5 -
 ...181213024859_add_averge_star_to_shixuns.rb |   5 -
 ...81213025239_sync_averger_star_to_shixun.rb |  12 --
 .../20181228095820_create_shixun_infos.rb     |  12 --
 .../20181228115324_add_index_to_users.rb      |   5 -
 ...9_modify_status_and_visits_for_subjects.rb |   6 -
 ...0109005614_add_opening_time_for_shixuns.rb |   5 -
 ...9013210_modify_opening_time_for_shixuns.rb |   5 -
 ...956_add_averge_star_default_for_shixuns.rb |   5 -
 db/migrate/20190120063702_sync_reponame.rb    |  16 ---
 ...190220014052_add_shixuns_count_to_stage.rb |   5 -
 ...0220061013_add_shixuns_count_to_subject.rb |   5 -
 ...220074947_sync_cache_count_for_subjects.rb |   8 --
 ...0190221003048_add_users_count_to_shixun.rb |   5 -
 ...90221003137_sync_users_count_for_shixun.rb |   7 --
 ...190228030508_delete_none_myshixun_games.rb |   6 -
 ...20190304082236_create_challenge_answers.rb |  13 --
 .../20190304082811_create_course_members.rb   |  19 ---
 ...0305015556_modify_answer_open_for_games.rb |   5 -
 ...102_add_checkout_answer_score_for_games.rb |   5 -
 ...0703_add_course_members_count_to_course.rb |   9 --
 .../20190306023331_add_score_for_test_sets.rb |   6 -
 ...6064421_add_answer_for_challenge_answer.rb |  10 --
 .../20190307063217_add_pod_life_to_shixuns.rb |   5 -
 .../20190309085449_migrate_course_members.rb  |  38 ------
 .../20190309091056_add_course_member_id.rb    |  21 ----
 ...64138_add_course_groups_count_to_course.rb |   9 --
 ...311080729_add_position_to_course_groups.rb |   5 -
 ...1090818_create_course_second_categories.rb |  12 --
 ...12024018_migrate_course_second_category.rb |  19 ---
 ...dd_course_second_category_to_attachment.rb |   6 -
 ...321081720_add_praises_count_to_messages.rb |  11 --
 ...raise_or_tread_default_in_praise_treads.rb |   5 -
 .../20190322065716_create_message_details.rb  |  11 --
 ..._content_of_messages_to_message_details.rb |  10 --
 ...0322091313_remove_content_from_messages.rb |   5 -
 ...20190323005303_modify_graduation_topics.rb |   8 --
 ...022227_add_is_public_to_graduation_task.rb |   8 --
 ..._change_digest_to_string_in_attachments.rb |   5 -
 ...900_add_hidden_for_journal_for_messages.rb |   5 -
 ...0190326095920_add_is_hidden_to_messages.rb |   6 -
 ...20190327063241_course_group_count_cache.rb |   5 -
 ...0190329091942_add_index_to_shixun_infos.rb |   5 -
 ...change_quotes_to_integer_in_attachments.rb |   6 -
 ...4623_add_index_to_attachments_is_public.rb |   5 -
 ...18_add_invalid_to_graduation_work_score.rb |   5 -
 ...on_migration.acts_as_taggable_on_engine.rb |  40 -------
 ...ique_indices.acts_as_taggable_on_engine.rb |  26 ----
 ...ache_to_tags.acts_as_taggable_on_engine.rb |  20 ----
 ...ggable_index.acts_as_taggable_on_engine.rb |  15 ---
 ...or_tag_names.acts_as_taggable_on_engine.rb |  15 ---
 ..._on_taggings.acts_as_taggable_on_engine.rb |  23 ----
 .../20190403022053_create_gtask_banks.rb      |  19 ---
 ...praises_count_for_jouranls_for_messages.rb |  13 --
 .../20190403065609_create_gtopic_banks.rb     |  23 ----
 ...is_ordered_to_exercise_standard_answers.rb |   6 -
 ...190410033511_change_column_in_homeworks.rb |  12 --
 ...ange_is_ordered_from_answer_to_question.rb |   6 -
 ...0410081736_migrate_homework_attachments.rb |   5 -
 ...5_add_cloud_url_to_attachment_histories.rb |   5 -
 ...15090426_change_homework_common_columns.rb |  13 --
 ...190422032141_migrate_homework_late_time.rb |  21 ----
 ...for_messages_count_for_hm_and_gt_and_gw.rb |  18 ---
 ...4128_migrate_homework_anonymous_comment.rb |   7 --
 ..._add_is_invalid_to_student_works_scores.rb |  25 ----
 ...27010940_change_exercise_score_to_float.rb |  29 -----
 ...427045904_update_exercise_default_value.rb |   7 --
 ...igest_to_string_in_attachment_histories.rb |   5 -
 ...0190429015510_add_default_for_exercises.rb |   7 --
 ...080104_add_quotes_for_graduation_topics.rb |   5 -
 .../20190430090659_add_default_for_polls.rb   |   5 -
 db/migrate/20190505031946_sync_users_index.rb |   8 --
 .../20190505072404_remove_index_from_users.rb |   5 -
 db/migrate/20190505093440_init_use_index.rb   |   9 --
 ...d_professional_certification_to_courses.rb |   6 -
 ...8090916_migrate_new_student_work_status.rb |   6 -
 ...0190511020736_add_is_public_to_messages.rb |   5 -
 .../20190514023907_add_column_to_zip_packs.rb |  10 --
 ...083047_change_question_random_exercises.rb |  11 --
 ...5014734_change_poll_show_result_boolean.rb |  10 --
 ...313_add_test_set_average_for_challenges.rb |   5 -
 .../20190517085407_create_edu_settings.rb     |  10 --
 ...7092730_add_description_to_edu_settings.rb |  14 ---
 ...085626_add_index_to_verificatiojn_codes.rb |   6 -
 .../20190522091226_alter_educoder_indexs.rb   |  70 -----------
 ...524020819_change_exercise_question_type.rb |  10 --
 .../20190528024055_migrate_base_on_project.rb |   5 -
 ...0603024856_migrate_course_late_settings.rb |   9 --
 ...1948_migrate_student_works_scores_score.rb |   5 -
 ...620_change_question_random_default_true.rb |  12 --
 ...190613022158_add_exec_time_to_challenge.rb |   9 --
 ..._change_default_data_for_name_in_borads.rb |  10 --
 ...055012_add_uniq_index_to_course_modules.rb |  43 -------
 ...19093200_add_profile_completed_to_users.rb |   5 -
 ...9_add_graduation_topics_count_to_course.rb |   9 --
 ...20190619123328_sync_countcha_for_course.rb |  11 --
 ...0010439_add_uniq_index_to_course_member.rb |  10 --
 .../20190620015912_modify_colla_index.rb      |  51 --------
 ...ework_bank_id_index_to_homework_commons.rb |   5 -
 ...d_bank_id_for_graduation_task_and_topic.rb |   6 -
 ...0190621010002_change_default_to_max_num.rb |   5 -
 ...21062948_migrate_course_module_activity.rb |   5 -
 ...83604_add_descendants_count_to_messages.rb |   5 -
 .../20190621105144_sync_ivalid_users.rb       |  34 ------
 ...22055449_modify_shixun_info_for_shixuns.rb |  15 ---
 ...005_remove_shixun_long_text_for_shixuns.rb |   7 --
 ...iq_index_to_homework_challenge_settings.rb |  10 --
 ...625012548_add_index_for_evaluate_record.rb |   6 -
 ...27012118_modify_quotes_for_gtopic_banks.rb |   6 -
 ...013243_add_calculation_time_to_homework.rb |   6 -
 ...611_add_old_exercise_tiankong_choice_id.rb |  23 ----
 ...703090511_add_index_for_shixun_services.rb |   9 --
 ...011739_add_praises_count_for_challenges.rb |   5 -
 ...204_modify_praises_count_for_challenges.rb |   9 --
 ...05022502_add_praises_count_for_discuess.rb |   5 -
 ...22737_modify_praises_count_for_discuess.rb |   9 --
 .../20190705085829_add_sec_key_to_outputs.rb  |   7 --
 .../20190706010307_create_user_interests.rb   |   8 --
 ...08062910_add_index_for_run_code_message.rb |   5 -
 ...62033_modify_challenge_id_for_discusses.rb |  11 --
 ...modify_md_attachment_url_for_md_cotents.rb |  35 ------
 ...6064225_add_max_mem_to_evaluate_records.rb |   5 -
 .../20190720025309_add_ts_mem_for_outputs.rb  |   5 -
 .../20190720025341_add_ts_time_for_outputs.rb |   5 -
 .../20190720121537_add_is_md_for_messages.rb  |   5 -
 ...0190720122123_modify_is_md_for_messages.rb |   7 --
 ...0722062801_modify_answer_for_challenges.rb |  11 --
 ..._contents_is_null_for_challenge_answers.rb |   6 -
 ...0724013024_modify_final_score_for_games.rb |  15 ---
 .../20190726082937_add_is_md_for_homeworks.rb |  12 --
 .../20190726083814_migrate_course_is_md.rb    |  14 ---
 .../20190729080935_modify_login_for_users.rb  |   9 --
 ...22_delete_error_myshixun_from_myshxiuns.rb |  11 --
 ...9122213_delete_myshixun_games_for_users.rb |  11 --
 ...190801075337_add_praises_count_to_memos.rb |  12 --
 ...01084533_add_praises_count_to_libraries.rb |  10 --
 .../20190802105008_tranfer_tiding_data.rb     |   5 -
 .../20190805004505_sync_index_to_users.rb     |   7 --
 ...5010562_modify_ke_contents_for_markdown.rb |  51 --------
 ...805014624_migrate_anonymous_tiding_type.rb |   6 -
 ...61306_add_exec_time_to_evaluate_records.rb |   7 --
 ...062209_second_mofidy_ke_contents_for_md.rb |  64 ----------
 ...063903_third_modify_ke_for_student_work.rb |  17 ---
 db/migrate/20190808025851_create_videos.rb    |  20 ----
 .../20190809010636_create_video_applies.rb    |  10 --
 ...20190813015633_add_new_column_to_course.rb |   8 --
 ...20190813074730_add_excellent_to_courses.rb |   5 -
 ...5064542_modify_class_period_for_courses.rb |   8 --
 ...190815085136_modify_path_for_challenges.rb |   5 -
 .../20190819081514_add_filesize_to_videos.rb  |   5 -
 ...0820021047_migrate_course_task_position.rb |   5 -
 ...820102040_change_exercise_1930_position.rb |  29 -----
 .../20190821054352_create_open_users.rb       |  14 ---
 ...migrate_course_shixun_homework_position.rb |  11 --
 ...20190822022306_add_exercise_user_update.rb |  39 ------
 ...0823015610_add_message_count_for_boards.rb |   9 --
 ...3_modify_course_introduction_for_boards.rb |  42 -------
 ...modify_contents_for_old_message_details.rb |  13 --
 ...823090957_rechange_exercise_1936_scores.rb |  19 ---
 ...0824032658_migrate_subject_shixun_count.rb |   9 --
 ...55814_modify_challnege_score_for_choose.rb |  10 --
 ...222_add_update_user_id_to_student_works.rb |   6 -
 ...dd_is_ordered_to_exercise_bank_question.rb |   5 -
 ...829025855_migrate_gtopic_bank_is_public.rb |   5 -
 ...829084147_migrate_course_group_position.rb |  11 --
 ...4803_add_announcement_to_course_modules.rb |  10 --
 .../20190830082934_add_tag_to_libraries.rb    |   5 -
 ...190831014325_migrate_poll_bank_question.rb |   6 -
 ...49_migrate_excellent_course_course_list.rb |  12 --
 ...raduation_work_id_to_group_assignations.rb |   7 --
 ...90903025159_add_temporary_to_graduation.rb |   6 -
 ...20190905070518_reorder_coo_img_position.rb |   9 --
 ...70821_change_public_model_default_value.rb |  20 ----
 .../20190906062930_modify_is_test_for_user.rb |   5 -
 .../20190906111746_gtopic_bank_is_public.rb   |   5 -
 ...0907014649_add_vnc_evaluate_for_shixuns.rb |   5 -
 ...0190907021100_migrate_bank_reference_id.rb |  31 -----
 .../20190907061918_migrate_bank_quotes.rb     |  28 -----
 ...61930_create_shixun_secret_repositories.rb |  10 --
 ...0909072626_add_match_rule_for_test_sets.rb |   7 --
 ...90909080508_create_shixun_work_comments.rb |  13 --
 ...90909082555_migrate_shixun_work_comment.rb |  13 --
 .../20190910061807_create_course_stages.rb    |  13 --
 ...90910062710_create_course_stage_shixuns.rb |  12 --
 .../20190910063345_migrate_course_stages.rb   |  14 ---
 ...90911020749_migrate_shixun_student_work.rb |  18 ---
 ...019_add_code_edit_permission_for_shixun.rb |   6 -
 ...0190911080150_change_ec_course_supports.rb |  11 --
 .../20190911103449_migrate_grade_index.rb     |   7 --
 ..._migrate_graduation_task_comment_status.rb |   5 -
 ...0920073337_migrate_user_extension_index.rb |   6 -
 ...921010411_add_course_member_to_subjects.rb |   6 -
 ...90921015840_create_subject_appointments.rb |  10 --
 ..._add_update_user_id_to_graduation_works.rb |   6 -
 .../20190926024819_add_library_tag_data.rb    |   9 --
 ...27091948_change_user_p02389416_exercise.rb |  33 -----
 .../20190930020534_migrate_forum_name.rb      |   9 --
 .../20190930032241_create_diff_records.rb     |  11 --
 ...90930032255_create_diff_record_contents.rb |   9 --
 ...20191007010405_resort_portal_image_data.rb |   7 --
 .../20191010011844_create_laboratories.rb     |  12 --
 .../20191010012226_create_laboratory_users.rb |   8 --
 ...191010063403_create_laboratory_settings.rb |   9 --
 ...0191011025619_init_edu_coder_laboratory.rb |  22 ----
 ...0441_add_commit_method_to_exercise_user.rb |   5 -
 .../20191014061301_migrate_course_atta.rb     |   7 --
 ...15013924_add_new_column_to_competitions.rb |   6 -
 ...015723_create_competition_mode_settings.rb |  11 --
 ...6070842_add_description_to_competitions.rb |   6 -
 ...5036_add_laboratory_id_to_portal_images.rb |   8 --
 .../20191017024643_add_extra_to_open_users.rb |   5 -
 ...3840_add_competition_id_to_mode_setting.rb |   7 --
 ...0191017092449_migrate_competition_score.rb |  29 -----
 .../20191018015007_create_shixun_reviews.rb   |  12 --
 ...0191018022821_create_competition_awards.rb |  12 --
 ...018030029_add_rate_to_competition_stage.rb |   5 -
 .../20191019075105_create_module_settings.rb  |  12 --
 ...9082903_change_column_competition_stage.rb |   5 -
 ...141738_migrate_exercise_challenge_score.rb |  25 ----
 ...021150220_migrate_exercise_answer_score.rb | 110 -----------------
 ...4016_migrate_2734_exercise_answer_score.rb | 113 ------------------
 .../20191022003750_create_weapp_settings.rb   |  12 --
 ...0127_migrate_competition_score_stage_id.rb |   7 --
 ...075223_migrate_competition_mode_default.rb |   6 -
 ...2100044_add_awards_count_to_competition.rb |   5 -
 ...3074837_migrate_competition_module_type.rb |  28 -----
 ...91024055404_migrate_com_module_resource.rb |  26 ----
 ...75134_migrate_competition_module_manual.rb |   5 -
 ...3706_migrate_competition_module_content.rb |  17 ---
 ...4090740_migrate_competition_chart_rules.rb |   5 -
 ...191024105504_create_competition_schools.rb |  11 --
 ...1025012950_add_column_to_stage_sections.rb |   8 --
 .../20191026110116_migrate_chart_rule.rb      |  12 --
 ...20191028025241_re_counter_course_groups.rb |   7 --
 ...91029003245_create_competition_managers.rb |  10 --
 ...9011040_add_statistics_to_course_module.rb |   7 --
 .../20191029065244_init_trustie_config.rb     |   8 --
 ...344_add_total_score_to_homework_commons.rb |   5 -
 ...nit_competition_certificate_module_data.rb |  10 --
 ...0191030013802_create_competition_prizes.rb |  13 --
 ...30055341_create_competition_prize_users.rb |  20 ----
 ...91030062150_create_exercise_user_scores.rb |  13 --
 .../20191104033349_create_game_answers.rb     |  13 --
 ...191104055038_add_index_for_game_answers.rb |   5 -
 ...191104063136_add_team_title_to_subjects.rb |   5 -
 ...191104080912_add_email_notify_to_course.rb |   5 -
 ...91104132649_migrate_2796_exercise_score.rb |  60 ----------
 ...0191105093740_create_trustie_hackathons.rb |  10 --
 .../20191105093919_create_trustie_hacks.rb    |  11 --
 .../20191105094146_create_hack_users.rb       |   9 --
 ...106015717_create_partner_manager_groups.rb |  13 --
 .../20191106020241_create_partner_managers.rb |  11 --
 ...106020505_transfer_partner_manager_data.rb |  14 ---
 ...1106021452_remove_partner_id_from_users.rb |   5 -
 ..._trustie_hackathon_id_for_trustie_hacks.rb |   6 -
 ...91106055638_migrate_2808_exercise_score.rb | 111 -----------------
 ...106061342_add_uniq_index_for_hack_users.rb |   5 -
 ...0191106070243_create_laboratory_shixuns.rb |  13 --
 ...20191106094429_add_position_for_informs.rb |  17 ---
 ...191107023418_create_laboratory_subjects.rb |  13 --
 ...1107062552_add_email_notify_to_messages.rb |   5 -
 ...93428_add_column_to_exercise_user_score.rb |   6 -
 ...0703_modify_descriotion_limit_for_hacks.rb |   6 -
 db/migrate/20191111082252_create_hacks.rb     |  20 ----
 .../20191111083528_create_hack_codes.rb       |  11 --
 db/migrate/20191111100954_create_hack_sets.rb |  13 --
 .../20191111101536_create_hack_user_codes.rb  |  18 ---
 ...12010611_create_hack_user_lastest_codes.rb |  12 --
 .../20191112012007_create_hack_user_debugs.rb |  14 ---
 .../20191112023111_add_defualt_for_hacks.rb   |   7 --
 ...20191112100418_migrate_gcc_project_team.rb |  25 ----
 .../20191112100820_add_score_for_hacks.rb     |   5 -
 ...013258_gcc_course_competition_rank_data.rb |   9 --
 ...tus_end_time_for_hack_user_lastest_code.rb |  27 -----
 ...1114073028_add_sticky_to_course_members.rb |   6 -
 ...1115011229_add_laboratory_id_to_courses.rb |   5 -
 ...12535_add_laboratory_id_to_competitions.rb |   5 -
 ...191115053209_add_laboratory_id_to_users.rb |   5 -
 ...191115060527_add_copy_from_for_subjects.rb |   5 -
 ...15070508_add_laboratory_id_to_libraries.rb |   5 -
 ...20191115070841_transfer_laboratory_data.rb |   7 --
 ...191115121529_add_laborary_id_for_shixun.rb |   5 -
 ...user_lastest_code_id_for_hack_user_code.rb |   7 --
 ..._add_sync_course_to_laboratory_settings.rb |   5 -
 ...e_pass_time_for_hack_user_lastest_codes.rb |   6 -
 ...0191120080224_migrate_eff_score_default.rb |   5 -
 ...1120123353_add_code_forhack_user_debugs.rb |   5 -
 ..._modify_execute_time_for_hack_user_code.rb |   6 -
 ...1_add_sync_shixun_subject_to_laboratory.rb |   6 -
 ...32557_add_uniq_index_to_exercise_answer.rb |  17 ---
 ...1203040140_add_uniq_index_to_poll_votes.rb |  16 ---
 ...203122643_add_index_to_exercise_answers.rb |   5 -
 ...1203124903_add_index_to_exercise_choice.rb |  16 ---
 ...20191203124938_add_index_to_poll_answer.rb |  15 ---
 300 files changed, 3712 deletions(-)
 delete mode 100644 db/migrate/20180920063955_create_graduation_topics.rb
 delete mode 100644 db/migrate/20181024015607_add_column_to_poll.rb
 delete mode 100644 db/migrate/20181105031300_add_repo_name_to_shixuns.rb
 delete mode 100644 db/migrate/20181105061745_add_repo_name_to_myshixuns.rb
 delete mode 100644 db/migrate/20181115071148_create_relationships.rb
 delete mode 100644 db/migrate/20181118075620_sync_gitlab_admin.rb
 delete mode 100644 db/migrate/20181207064509_add_cloud_url_to_attachments.rb
 delete mode 100644 db/migrate/20181213024859_add_averge_star_to_shixuns.rb
 delete mode 100644 db/migrate/20181213025239_sync_averger_star_to_shixun.rb
 delete mode 100644 db/migrate/20181228095820_create_shixun_infos.rb
 delete mode 100644 db/migrate/20181228115324_add_index_to_users.rb
 delete mode 100644 db/migrate/20190108074759_modify_status_and_visits_for_subjects.rb
 delete mode 100644 db/migrate/20190109005614_add_opening_time_for_shixuns.rb
 delete mode 100644 db/migrate/20190109013210_modify_opening_time_for_shixuns.rb
 delete mode 100644 db/migrate/20190111063956_add_averge_star_default_for_shixuns.rb
 delete mode 100644 db/migrate/20190120063702_sync_reponame.rb
 delete mode 100644 db/migrate/20190220014052_add_shixuns_count_to_stage.rb
 delete mode 100644 db/migrate/20190220061013_add_shixuns_count_to_subject.rb
 delete mode 100644 db/migrate/20190220074947_sync_cache_count_for_subjects.rb
 delete mode 100644 db/migrate/20190221003048_add_users_count_to_shixun.rb
 delete mode 100644 db/migrate/20190221003137_sync_users_count_for_shixun.rb
 delete mode 100644 db/migrate/20190228030508_delete_none_myshixun_games.rb
 delete mode 100644 db/migrate/20190304082236_create_challenge_answers.rb
 delete mode 100644 db/migrate/20190304082811_create_course_members.rb
 delete mode 100644 db/migrate/20190305015556_modify_answer_open_for_games.rb
 delete mode 100644 db/migrate/20190305074102_add_checkout_answer_score_for_games.rb
 delete mode 100644 db/migrate/20190305080703_add_course_members_count_to_course.rb
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 delete mode 100644 db/migrate/20191120080224_migrate_eff_score_default.rb
 delete mode 100644 db/migrate/20191120123353_add_code_forhack_user_debugs.rb
 delete mode 100644 db/migrate/20191121025552_modify_execute_time_for_hack_user_code.rb
 delete mode 100644 db/migrate/20191129064841_add_sync_shixun_subject_to_laboratory.rb
 delete mode 100644 db/migrate/20191203032557_add_uniq_index_to_exercise_answer.rb
 delete mode 100644 db/migrate/20191203040140_add_uniq_index_to_poll_votes.rb
 delete mode 100644 db/migrate/20191203122643_add_index_to_exercise_answers.rb
 delete mode 100644 db/migrate/20191203124903_add_index_to_exercise_choice.rb
 delete mode 100644 db/migrate/20191203124938_add_index_to_poll_answer.rb

diff --git a/db/migrate/20180920063955_create_graduation_topics.rb b/db/migrate/20180920063955_create_graduation_topics.rb
deleted file mode 100644
index 5e7a4640e..000000000
--- a/db/migrate/20180920063955_create_graduation_topics.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-class CreateGraduationTopics < ActiveRecord::Migration[5.2]
-  def change
-    create_table :graduation_topics do |t|
-      t.references :user
-      t.references :course
-      t.integer :tea_id
-      t.string :name
-      t.text :description
-      t.integer :status, :default => 0
-      t.integer :topic_type
-      t.integer :source
-      t.integer :property
-      t.integer :property_two
-      t.string :source_unit
-      t.integer :repeat
-      t.string :province
-      t.string :city
-      t.boolean :is_public, :default => 0
-
-      t.timestamps
-    end
-    add_index :graduation_topics, :user_id
-    add_index :graduation_topics, :course_id
-    add_index :graduation_topics, :tea_id
-  end
-end
diff --git a/db/migrate/20181024015607_add_column_to_poll.rb b/db/migrate/20181024015607_add_column_to_poll.rb
deleted file mode 100644
index 65ebe98d3..000000000
--- a/db/migrate/20181024015607_add_column_to_poll.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddColumnToPoll < ActiveRecord::Migration[5.2]
-  # 问卷是否实名
-  def change
-    add_column :polls, :un_anonymous, :boolean, :default => 0
-  end
-end
diff --git a/db/migrate/20181105031300_add_repo_name_to_shixuns.rb b/db/migrate/20181105031300_add_repo_name_to_shixuns.rb
deleted file mode 100644
index 3210184ad..000000000
--- a/db/migrate/20181105031300_add_repo_name_to_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddRepoNameToShixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :repo_name, :string
-  end
-end
diff --git a/db/migrate/20181105061745_add_repo_name_to_myshixuns.rb b/db/migrate/20181105061745_add_repo_name_to_myshixuns.rb
deleted file mode 100644
index 70ca92abb..000000000
--- a/db/migrate/20181105061745_add_repo_name_to_myshixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddRepoNameToMyshixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :myshixuns, :repo_name, :string
-  end
-end
diff --git a/db/migrate/20181115071148_create_relationships.rb b/db/migrate/20181115071148_create_relationships.rb
deleted file mode 100644
index 4437e9ea5..000000000
--- a/db/migrate/20181115071148_create_relationships.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateRelationships < ActiveRecord::Migration[5.2]
-  def change
-    create_table :relationships do |t|
-      t.integer :follower_id
-      t.integer :followed_id
-
-      t.timestamps
-    end
-    add_index :relationships, :followed_id
-    add_index :relationships, :follower_id
-    add_index :relationships, [:follower_id, :followed_id], unique: true
-  end
-end
diff --git a/db/migrate/20181118075620_sync_gitlab_admin.rb b/db/migrate/20181118075620_sync_gitlab_admin.rb
deleted file mode 100644
index 17cb3bd18..000000000
--- a/db/migrate/20181118075620_sync_gitlab_admin.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class SyncGitlabAdmin < ActiveRecord::Migration[5.2]
-  def change
-    user = User.find_by_login("forge01")
-    user.update_column(:mail, 'admin@example.com')
-  end
-end
diff --git a/db/migrate/20181207064509_add_cloud_url_to_attachments.rb b/db/migrate/20181207064509_add_cloud_url_to_attachments.rb
deleted file mode 100644
index 6dd3ffb6d..000000000
--- a/db/migrate/20181207064509_add_cloud_url_to_attachments.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCloudUrlToAttachments < ActiveRecord::Migration[5.2]
-  def change
-    add_column :attachments, :cloud_url, :string, default: ''
-  end
-end
diff --git a/db/migrate/20181213024859_add_averge_star_to_shixuns.rb b/db/migrate/20181213024859_add_averge_star_to_shixuns.rb
deleted file mode 100644
index c801c8675..000000000
--- a/db/migrate/20181213024859_add_averge_star_to_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddAvergeStarToShixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :averge_star, :float, :default => 0
-  end
-end
diff --git a/db/migrate/20181213025239_sync_averger_star_to_shixun.rb b/db/migrate/20181213025239_sync_averger_star_to_shixun.rb
deleted file mode 100644
index e117475a4..000000000
--- a/db/migrate/20181213025239_sync_averger_star_to_shixun.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class SyncAvergerStarToShixun < ActiveRecord::Migration[5.2]
-  def change
-    Shixun.find_each do |shixun|
-      averge_star = Game.find_by_sql("select ifnull(sum(g.star),0)/ifnull(count(*),1) as averge_star from (games g left join
-                                     (myshixuns m join shixuns s on s.id = m.shixun_id) on m.id = g.myshixun_id)
-                                     where star != 0 and s.id = #{shixun.id}").first.try(:averge_star)
-      averge_star = averge_star || 5
-      puts(averge_star)
-      shixun.update_column(:averge_star, averge_star.round(1))
-    end
-  end
-end
diff --git a/db/migrate/20181228095820_create_shixun_infos.rb b/db/migrate/20181228095820_create_shixun_infos.rb
deleted file mode 100644
index f5c72d5a3..000000000
--- a/db/migrate/20181228095820_create_shixun_infos.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateShixunInfos < ActiveRecord::Migration[5.2]
-  def change
-    create_table :shixun_infos do |t|
-      t.longtext :propaedeutics
-      t.longtext :description
-      t.longtext :evaluate_script
-      t.integer :shixun_id
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20181228115324_add_index_to_users.rb b/db/migrate/20181228115324_add_index_to_users.rb
deleted file mode 100644
index ccd8f771f..000000000
--- a/db/migrate/20181228115324_add_index_to_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexToUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_index :users, :experience
-  end
-end
diff --git a/db/migrate/20190108074759_modify_status_and_visits_for_subjects.rb b/db/migrate/20190108074759_modify_status_and_visits_for_subjects.rb
deleted file mode 100644
index 08a5d0e3a..000000000
--- a/db/migrate/20190108074759_modify_status_and_visits_for_subjects.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ModifyStatusAndVisitsForSubjects < ActiveRecord::Migration[5.2]
-  def change
-    change_column :subjects, :status, :integer, :default => 0
-    change_column :subjects, :visits, :integer, :default => 1
-  end
-end
diff --git a/db/migrate/20190109005614_add_opening_time_for_shixuns.rb b/db/migrate/20190109005614_add_opening_time_for_shixuns.rb
deleted file mode 100644
index d02cd6113..000000000
--- a/db/migrate/20190109005614_add_opening_time_for_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddOpeningTimeForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :opening_time, :string
-  end
-end
diff --git a/db/migrate/20190109013210_modify_opening_time_for_shixuns.rb b/db/migrate/20190109013210_modify_opening_time_for_shixuns.rb
deleted file mode 100644
index b3360c424..000000000
--- a/db/migrate/20190109013210_modify_opening_time_for_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ModifyOpeningTimeForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    change_column :shixuns, :opening_time, :datetime
-  end
-end
diff --git a/db/migrate/20190111063956_add_averge_star_default_for_shixuns.rb b/db/migrate/20190111063956_add_averge_star_default_for_shixuns.rb
deleted file mode 100644
index fb0b4d3aa..000000000
--- a/db/migrate/20190111063956_add_averge_star_default_for_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddAvergeStarDefaultForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    change_column :shixuns, :averge_star, :float, :default => 5
-  end
-end
diff --git a/db/migrate/20190120063702_sync_reponame.rb b/db/migrate/20190120063702_sync_reponame.rb
deleted file mode 100644
index c40eba131..000000000
--- a/db/migrate/20190120063702_sync_reponame.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-class SyncReponame < ActiveRecord::Migration[5.2]
-  def change
-    g = Gitlab.client
-    myshixuns = Myshixun.where("repo_name is null")
-    myshixuns.find_each do |myshixun|
-      begin
-        puts myshixun.id
-        repo_name = g.project(myshixun.gpid).path_with_namespace
-        puts repo_name
-        myshixun.update_column(:repo_name, repo_name)
-      rescue Exception => e
-        Rails.logger.error("e.message")
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190220014052_add_shixuns_count_to_stage.rb b/db/migrate/20190220014052_add_shixuns_count_to_stage.rb
deleted file mode 100644
index caf459a8e..000000000
--- a/db/migrate/20190220014052_add_shixuns_count_to_stage.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddShixunsCountToStage < ActiveRecord::Migration[5.2]
-  def change
-    add_column :stages, :shixuns_count, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190220061013_add_shixuns_count_to_subject.rb b/db/migrate/20190220061013_add_shixuns_count_to_subject.rb
deleted file mode 100644
index 3f803d2f1..000000000
--- a/db/migrate/20190220061013_add_shixuns_count_to_subject.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddShixunsCountToSubject < ActiveRecord::Migration[5.2]
-  def change
-    add_column :subjects, :shixuns_count, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190220074947_sync_cache_count_for_subjects.rb b/db/migrate/20190220074947_sync_cache_count_for_subjects.rb
deleted file mode 100644
index ce2b22d62..000000000
--- a/db/migrate/20190220074947_sync_cache_count_for_subjects.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class SyncCacheCountForSubjects < ActiveRecord::Migration[5.2]
-  def change
-    Subject.find_each do |s|
-      Subject.reset_counters s.id, :shixuns
-      Subject.reset_counters s.id, :stages
-    end
-  end
-end
diff --git a/db/migrate/20190221003048_add_users_count_to_shixun.rb b/db/migrate/20190221003048_add_users_count_to_shixun.rb
deleted file mode 100644
index dffca5be9..000000000
--- a/db/migrate/20190221003048_add_users_count_to_shixun.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddUsersCountToShixun < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :users_count, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190221003137_sync_users_count_for_shixun.rb b/db/migrate/20190221003137_sync_users_count_for_shixun.rb
deleted file mode 100644
index 155ddda58..000000000
--- a/db/migrate/20190221003137_sync_users_count_for_shixun.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class SyncUsersCountForShixun < ActiveRecord::Migration[5.2]
-  def change
-    Shixun.find_each do |s|
-      Shixun.reset_counters s.id, :users_count
-    end
-  end
-end
diff --git a/db/migrate/20190228030508_delete_none_myshixun_games.rb b/db/migrate/20190228030508_delete_none_myshixun_games.rb
deleted file mode 100644
index 89130d3fa..000000000
--- a/db/migrate/20190228030508_delete_none_myshixun_games.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class DeleteNoneMyshixunGames < ActiveRecord::Migration[5.2]
-  def change
-    games = Game.where.not(myshixun_id: Myshixun.where(nil).pluck(:id))
-    games.destroy_all
-  end
-end
diff --git a/db/migrate/20190304082236_create_challenge_answers.rb b/db/migrate/20190304082236_create_challenge_answers.rb
deleted file mode 100644
index 630c92661..000000000
--- a/db/migrate/20190304082236_create_challenge_answers.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateChallengeAnswers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :challenge_answers do |t|
-      t.string :name
-      t.longtext :contents
-      t.integer :score
-      t.integer :level
-      t.references :challenge, index: true
-      t.timestamps
-    end
-
-  end
-end
diff --git a/db/migrate/20190304082811_create_course_members.rb b/db/migrate/20190304082811_create_course_members.rb
deleted file mode 100644
index fd54891fd..000000000
--- a/db/migrate/20190304082811_create_course_members.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-class CreateCourseMembers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :course_members do |t|
-      t.integer :course_id
-      t.integer :user_id
-      t.integer :course_group_id, default: 0
-      t.integer :graduation_group_id, default: 0
-      t.integer :role, default: 0
-      t.boolean :is_active, default: 1
-
-      t.timestamps
-    end
-
-    add_index :course_members, :course_id
-    add_index :course_members, :user_id
-    add_index :course_members, :course_group_id
-    add_index :course_members, :graduation_group_id
-  end
-end
diff --git a/db/migrate/20190305015556_modify_answer_open_for_games.rb b/db/migrate/20190305015556_modify_answer_open_for_games.rb
deleted file mode 100644
index 7ae83ac9e..000000000
--- a/db/migrate/20190305015556_modify_answer_open_for_games.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ModifyAnswerOpenForGames < ActiveRecord::Migration[5.2]
-  def change
-    change_column :games, :answer_open, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190305074102_add_checkout_answer_score_for_games.rb b/db/migrate/20190305074102_add_checkout_answer_score_for_games.rb
deleted file mode 100644
index 9c026fc3f..000000000
--- a/db/migrate/20190305074102_add_checkout_answer_score_for_games.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCheckoutAnswerScoreForGames < ActiveRecord::Migration[5.2]
-  def change
-    add_column :games, :answer_deduction, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190305080703_add_course_members_count_to_course.rb b/db/migrate/20190305080703_add_course_members_count_to_course.rb
deleted file mode 100644
index d38aaca5b..000000000
--- a/db/migrate/20190305080703_add_course_members_count_to_course.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddCourseMembersCountToCourse < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :course_members_count, :integer, default: 0
-
-    Course.find_each do |c|
-      Course.reset_counters c.id, :course_members
-    end
-  end
-end
diff --git a/db/migrate/20190306023331_add_score_for_test_sets.rb b/db/migrate/20190306023331_add_score_for_test_sets.rb
deleted file mode 100644
index 08b67ad85..000000000
--- a/db/migrate/20190306023331_add_score_for_test_sets.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddScoreForTestSets < ActiveRecord::Migration[5.2]
-  def change
-    add_column :test_sets, :score, :integer
-    add_column :challenges, :test_set_score, :boolean, :default => false
-  end
-end
diff --git a/db/migrate/20190306064421_add_answer_for_challenge_answer.rb b/db/migrate/20190306064421_add_answer_for_challenge_answer.rb
deleted file mode 100644
index 32a6a6aa2..000000000
--- a/db/migrate/20190306064421_add_answer_for_challenge_answer.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddAnswerForChallengeAnswer < ActiveRecord::Migration[5.2]
-  def change
-    challenges = Challenge.where("answer is not null")
-    challenges.find_each do |c|
-      puts "####################{c.id}"
-      ChallengeAnswer.create(name: "解题代码", contents: "#{c.answer}", level: 1, score: 100, challenge_id: c.id)
-    end
-
-  end
-end
diff --git a/db/migrate/20190307063217_add_pod_life_to_shixuns.rb b/db/migrate/20190307063217_add_pod_life_to_shixuns.rb
deleted file mode 100644
index e596367f2..000000000
--- a/db/migrate/20190307063217_add_pod_life_to_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddPodLifeToShixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :pod_life, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190309085449_migrate_course_members.rb b/db/migrate/20190309085449_migrate_course_members.rb
deleted file mode 100644
index a6d049dd7..000000000
--- a/db/migrate/20190309085449_migrate_course_members.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-class MigrateCourseMembers < ActiveRecord::Migration[5.2]
-  def change
-    # add_column :course_groups, :position, :integer, default: 0
-
-    Course.find_each do |course|
-      position = 1
-      course.course_groups.reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").each do |group|
-        group.update_attribute(:position, position)
-        position += 1
-      end
-    end
-
-
-    add_column :course_groups, :course_members_count, :integer, default: 0
-
-    CourseGroup.find_each do |g|
-      CourseGroup.reset_counters g.id, :course_members
-    end
-
-    ActiveRecord::Base.transaction do
-      begin
-        Member.where("course_id != -1").includes(:member_roles).find_each(batch_size: 500) do |member|
-          puts(member.id)
-          member.member_roles.each do |role|
-            course_member_role = role.role_id == 3 ? 1 : (role.role_id == 9 ? 2 : (role.role_id == 7 ? 3 : 4))
-            member_group_id = role.role_id == 10 ? member.course_group_id : 0
-            CourseMember.create!(course_id: member.course_id, user_id: member.user_id, course_group_id: member_group_id,
-                                 graduation_group_id: member.graduation_group_id, role: course_member_role, is_active: role.is_current)
-          end
-        end
-      rescue Exception => e
-        uid_logger_error(e.message)
-        tip_exception("migrate_course_members 迁移失败！")
-        raise ActiveRecord::Rollback
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190309091056_add_course_member_id.rb b/db/migrate/20190309091056_add_course_member_id.rb
deleted file mode 100644
index 86993d725..000000000
--- a/db/migrate/20190309091056_add_course_member_id.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-class AddCourseMemberId < ActiveRecord::Migration[5.2]
-  def change
-    add_column :student_graduation_topics, :course_member_id, :integer
-    add_index :student_graduation_topics, :course_member_id
-
-    StudentGraduationTopic.find_each do |student|
-      course_member = CourseMember.where(course_id: student.course_id, user_id: student.user_id,
-      role: 4).first
-      student.update_column("course_member_id", course_member.try(:id)) if course_member.present?
-    end
-
-    add_column :teacher_course_groups, :course_member_id, :integer
-    add_index :teacher_course_groups, :course_member_id
-
-    TeacherCourseGroup.find_each do |teacher|
-      course_member = CourseMember.where(course_id: teacher.course_id, user_id: teacher.user_id,
-                                         role: [1, 2, 3]).first
-      teacher.update_column("course_member_id", course_member.try(:id)) if course_member.present?
-    end
-  end
-end
diff --git a/db/migrate/20190311064138_add_course_groups_count_to_course.rb b/db/migrate/20190311064138_add_course_groups_count_to_course.rb
deleted file mode 100644
index ecd11e7cb..000000000
--- a/db/migrate/20190311064138_add_course_groups_count_to_course.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddCourseGroupsCountToCourse < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :course_groups_count, :integer, default: 0
-
-    Course.find_each do |c|
-      Course.reset_counters c.id, :course_groups
-    end
-  end
-end
diff --git a/db/migrate/20190311080729_add_position_to_course_groups.rb b/db/migrate/20190311080729_add_position_to_course_groups.rb
deleted file mode 100644
index 4a59a7d97..000000000
--- a/db/migrate/20190311080729_add_position_to_course_groups.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddPositionToCourseGroups < ActiveRecord::Migration[5.2]
-  def change
-
-  end
-end
diff --git a/db/migrate/20190311090818_create_course_second_categories.rb b/db/migrate/20190311090818_create_course_second_categories.rb
deleted file mode 100644
index 51850c2fd..000000000
--- a/db/migrate/20190311090818_create_course_second_categories.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateCourseSecondCategories < ActiveRecord::Migration[5.2]
-  def change
-    create_table :course_second_categories do |t|
-      t.references :course
-      t.string :category_type
-      t.string :name
-      t.integer :position
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190312024018_migrate_course_second_category.rb b/db/migrate/20190312024018_migrate_course_second_category.rb
deleted file mode 100644
index 382c6fd6f..000000000
--- a/db/migrate/20190312024018_migrate_course_second_category.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-class MigrateCourseSecondCategory < ActiveRecord::Migration[5.2]
-  def change
-    add_column :homework_commons, :course_second_category_id, :integer, default: 0
-    add_index :homework_commons, :course_second_category_id
-    add_column :course_second_categories, :course_module_id, :integer
-    add_index :course_second_categories, :course_module_id
-
-    Course.find_each do |course|
-      homework_position = 1
-      course_module = course.course_modules.where(module_type: "shixun_homework").first
-      course.course_homework_categories.reorder("CONVERT(name USING gbk) COLLATE gbk_chinese_ci ASC").find_each do |category|
-        new_category = CourseSecondCategory.create!(course_id: course.id, name: category.name, category_type: "shixun_homework",
-                                                    position: homework_position, course_module_id: course_module.id)
-        course.homework_commons.where(course_homework_category_id: category.id).update_all(course_second_category_id: new_category.id)
-        homework_position += 1
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190312032623_add_course_second_category_to_attachment.rb b/db/migrate/20190312032623_add_course_second_category_to_attachment.rb
deleted file mode 100644
index 972422e43..000000000
--- a/db/migrate/20190312032623_add_course_second_category_to_attachment.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddCourseSecondCategoryToAttachment < ActiveRecord::Migration[5.2]
-  def change
-    add_column :attachments, :course_second_category_id, :integer, default: 0
-    add_index :attachments, :course_second_category_id
-  end
-end
diff --git a/db/migrate/20190321081720_add_praises_count_to_messages.rb b/db/migrate/20190321081720_add_praises_count_to_messages.rb
deleted file mode 100644
index 14f9260cb..000000000
--- a/db/migrate/20190321081720_add_praises_count_to_messages.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class AddPraisesCountToMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :praises_count, :integer, :default => 0
-
-    Message.find_each do |msg|
-      total_count = msg.praise_treads.liker.count
-      puts "====> set message's praises_count to #{total_count}"
-      msg.update_column(:praises_count, total_count)
-    end
-  end
-end
diff --git a/db/migrate/20190321091429_change_praise_or_tread_default_in_praise_treads.rb b/db/migrate/20190321091429_change_praise_or_tread_default_in_praise_treads.rb
deleted file mode 100644
index 15dd3f6e9..000000000
--- a/db/migrate/20190321091429_change_praise_or_tread_default_in_praise_treads.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangePraiseOrTreadDefaultInPraiseTreads < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :praise_treads, :praise_or_tread, from: nil, to: 1
-  end
-end
diff --git a/db/migrate/20190322065716_create_message_details.rb b/db/migrate/20190322065716_create_message_details.rb
deleted file mode 100644
index 5fd1ba7d8..000000000
--- a/db/migrate/20190322065716_create_message_details.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateMessageDetails < ActiveRecord::Migration[5.2]
-  def change
-    create_table :message_details do |t|
-      t.longtext :content
-      t.integer :message_id
-
-      t.timestamps
-    end
-    add_index :message_details, :message_id
-  end
-end
diff --git a/db/migrate/20190322070515_move_content_of_messages_to_message_details.rb b/db/migrate/20190322070515_move_content_of_messages_to_message_details.rb
deleted file mode 100644
index be747c898..000000000
--- a/db/migrate/20190322070515_move_content_of_messages_to_message_details.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class MoveContentOfMessagesToMessageDetails < ActiveRecord::Migration[5.2]
-  def change
-    Message.find_each do |msg|
-      unless msg.message_detail.present?
-        message_detail = MessageDetail.create(message: msg, content: msg.content)
-        puts "-------> create MessageDetail success: id is #{message_detail.id}"
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190322091313_remove_content_from_messages.rb b/db/migrate/20190322091313_remove_content_from_messages.rb
deleted file mode 100644
index ee6830e53..000000000
--- a/db/migrate/20190322091313_remove_content_from_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class RemoveContentFromMessages < ActiveRecord::Migration[5.2]
-  def change
-    remove_column :messages, :content, :longtext
-  end
-end
diff --git a/db/migrate/20190323005303_modify_graduation_topics.rb b/db/migrate/20190323005303_modify_graduation_topics.rb
deleted file mode 100644
index 18998fdcd..000000000
--- a/db/migrate/20190323005303_modify_graduation_topics.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class ModifyGraduationTopics < ActiveRecord::Migration[5.2]
-  def change
-    rename_column :graduation_topics, :source, :topic_source
-    rename_column :graduation_topics, :property, :topic_property_first
-    rename_column :graduation_topics, :property_two, :topic_property_second
-    rename_column :graduation_topics, :repeat, :topic_repeat
-  end
-end
diff --git a/db/migrate/20190325022227_add_is_public_to_graduation_task.rb b/db/migrate/20190325022227_add_is_public_to_graduation_task.rb
deleted file mode 100644
index 159aa90e9..000000000
--- a/db/migrate/20190325022227_add_is_public_to_graduation_task.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class AddIsPublicToGraduationTask < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_tasks, :is_public, :boolean, default: false
-    add_column :graduation_tasks, :late_time, :datetime
-
-    GraduationTask.where(status: 3).update_all(status: 4)
-  end
-end
diff --git a/db/migrate/20190325023830_change_digest_to_string_in_attachments.rb b/db/migrate/20190325023830_change_digest_to_string_in_attachments.rb
deleted file mode 100644
index 3b59e56e8..000000000
--- a/db/migrate/20190325023830_change_digest_to_string_in_attachments.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangeDigestToStringInAttachments < ActiveRecord::Migration[5.2]
-  def change
-    change_column :attachments, :digest, :string, :limit => 60
-  end
-end
diff --git a/db/migrate/20190326015900_add_hidden_for_journal_for_messages.rb b/db/migrate/20190326015900_add_hidden_for_journal_for_messages.rb
deleted file mode 100644
index 2ff25360d..000000000
--- a/db/migrate/20190326015900_add_hidden_for_journal_for_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddHiddenForJournalForMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :journals_for_messages, :hidden, :boolean, :default => false
-  end
-end
diff --git a/db/migrate/20190326095920_add_is_hidden_to_messages.rb b/db/migrate/20190326095920_add_is_hidden_to_messages.rb
deleted file mode 100644
index ee97a3f6c..000000000
--- a/db/migrate/20190326095920_add_is_hidden_to_messages.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddIsHiddenToMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :is_hidden, :boolean, :default => false
-    add_index :messages, :is_hidden
-  end
-end
diff --git a/db/migrate/20190327063241_course_group_count_cache.rb b/db/migrate/20190327063241_course_group_count_cache.rb
deleted file mode 100644
index cf0b868ff..000000000
--- a/db/migrate/20190327063241_course_group_count_cache.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class CourseGroupCountCache < ActiveRecord::Migration[5.2]
-  def change
-
-  end
-end
diff --git a/db/migrate/20190329091942_add_index_to_shixun_infos.rb b/db/migrate/20190329091942_add_index_to_shixun_infos.rb
deleted file mode 100644
index c7a14dfaa..000000000
--- a/db/migrate/20190329091942_add_index_to_shixun_infos.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexToShixunInfos < ActiveRecord::Migration[5.2]
-  def change
-    add_index :shixun_infos, :shixun_id, unique: true
-  end
-end
diff --git a/db/migrate/20190401083919_change_quotes_to_integer_in_attachments.rb b/db/migrate/20190401083919_change_quotes_to_integer_in_attachments.rb
deleted file mode 100644
index 4e25ab522..000000000
--- a/db/migrate/20190401083919_change_quotes_to_integer_in_attachments.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ChangeQuotesToIntegerInAttachments < ActiveRecord::Migration[5.2]
-  def change
-    change_column :attachments, :quotes, :integer, :default => 0
-    add_index :attachments, :quotes
-  end
-end
diff --git a/db/migrate/20190401094623_add_index_to_attachments_is_public.rb b/db/migrate/20190401094623_add_index_to_attachments_is_public.rb
deleted file mode 100644
index d098253d0..000000000
--- a/db/migrate/20190401094623_add_index_to_attachments_is_public.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexToAttachmentsIsPublic < ActiveRecord::Migration[5.2]
-  def change
-    add_index :attachments, :is_public
-  end
-end
diff --git a/db/migrate/20190402015918_add_invalid_to_graduation_work_score.rb b/db/migrate/20190402015918_add_invalid_to_graduation_work_score.rb
deleted file mode 100644
index 5a7ea9c16..000000000
--- a/db/migrate/20190402015918_add_invalid_to_graduation_work_score.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddInvalidToGraduationWorkScore < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_work_scores, :is_invalid, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190402083252_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb b/db/migrate/20190402083252_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb
deleted file mode 100644
index b4bc9a2f6..000000000
--- a/db/migrate/20190402083252_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 1)
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class ActsAsTaggableOnMigration < ActiveRecord::Migration[4.2]; end
-else
-  class ActsAsTaggableOnMigration < ActiveRecord::Migration; end
-end
-ActsAsTaggableOnMigration.class_eval do
-  def self.up
-    unless ActiveRecord::Base.connection.table_exists? 'tags'
-      create_table :tags do |t|
-        t.string :name
-      end
-    end
-
-    unless ActiveRecord::Base.connection.table_exists? 'taggings'
-      create_table :taggings do |t|
-        t.references :tag
-
-        # You should make sure that the column created is
-        # long enough to store the required class names.
-        t.references :taggable, polymorphic: true
-        t.references :tagger, polymorphic: true
-
-        # Limit is created to prevent MySQL error on index
-        # length for MyISAM table type: http://bit.ly/vgW2Ql
-        t.string :context, limit: 128
-
-        t.datetime :created_at
-      end
-    end
-
-    # add_index :taggings, :tag_id
-    # add_index :taggings, [:taggable_id, :taggable_type, :context]
-  end
-
-  def self.down
-    drop_table :taggings
-    drop_table :tags
-  end
-end
diff --git a/db/migrate/20190402083253_add_missing_unique_indices.acts_as_taggable_on_engine.rb b/db/migrate/20190402083253_add_missing_unique_indices.acts_as_taggable_on_engine.rb
deleted file mode 100644
index 7206c90e6..000000000
--- a/db/migrate/20190402083253_add_missing_unique_indices.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 2)
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class AddMissingUniqueIndices < ActiveRecord::Migration[4.2]; end
-else
-  class AddMissingUniqueIndices < ActiveRecord::Migration; end
-end
-AddMissingUniqueIndices.class_eval do
-  def self.up
-    # add_index :tags, :name, unique: true
-
-    remove_index :taggings, :tag_id if index_exists?(:taggings, :tag_id)
-    remove_index :taggings, [:taggable_id, :taggable_type, :context]
-    add_index :taggings,
-              [:tag_id, :taggable_id, :taggable_type, :context, :tagger_id, :tagger_type],
-              unique: true, name: 'taggings_idx'
-  end
-
-  def self.down
-    remove_index :tags, :name
-
-    remove_index :taggings, name: 'taggings_idx'
-
-    add_index :taggings, :tag_id unless index_exists?(:taggings, :tag_id)
-    add_index :taggings, [:taggable_id, :taggable_type, :context]
-  end
-end
diff --git a/db/migrate/20190402083254_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb b/db/migrate/20190402083254_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb
deleted file mode 100644
index 5409eef63..000000000
--- a/db/migrate/20190402083254_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 3)
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class AddTaggingsCounterCacheToTags < ActiveRecord::Migration[4.2]; end
-else
-  class AddTaggingsCounterCacheToTags < ActiveRecord::Migration; end
-end
-AddTaggingsCounterCacheToTags.class_eval do
-  def self.up
-    add_column :tags, :taggings_count, :integer, default: 0
-
-    ActsAsTaggableOn::Tag.reset_column_information
-    ActsAsTaggableOn::Tag.find_each do |tag|
-      ActsAsTaggableOn::Tag.reset_counters(tag.id, :taggings)
-    end
-  end
-
-  def self.down
-    remove_column :tags, :taggings_count
-  end
-end
diff --git a/db/migrate/20190402083255_add_missing_taggable_index.acts_as_taggable_on_engine.rb b/db/migrate/20190402083255_add_missing_taggable_index.acts_as_taggable_on_engine.rb
deleted file mode 100644
index 097600b59..000000000
--- a/db/migrate/20190402083255_add_missing_taggable_index.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 4)
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class AddMissingTaggableIndex < ActiveRecord::Migration[4.2]; end
-else
-  class AddMissingTaggableIndex < ActiveRecord::Migration; end
-end
-AddMissingTaggableIndex.class_eval do
-  def self.up
-    add_index :taggings, [:taggable_id, :taggable_type, :context]
-  end
-
-  def self.down
-    remove_index :taggings, [:taggable_id, :taggable_type, :context]
-  end
-end
diff --git a/db/migrate/20190402083256_change_collation_for_tag_names.acts_as_taggable_on_engine.rb b/db/migrate/20190402083256_change_collation_for_tag_names.acts_as_taggable_on_engine.rb
deleted file mode 100644
index 731f66c5a..000000000
--- a/db/migrate/20190402083256_change_collation_for_tag_names.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 5)
-# This migration is added to circumvent issue #623 and have special characters
-# work properly
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class ChangeCollationForTagNames < ActiveRecord::Migration[4.2]; end
-else
-  class ChangeCollationForTagNames < ActiveRecord::Migration; end
-end
-ChangeCollationForTagNames.class_eval do
-  def up
-    if ActsAsTaggableOn::Utils.using_mysql?
-      execute("ALTER TABLE tags MODIFY name varchar(255) CHARACTER SET utf8 COLLATE utf8_bin;")
-    end
-  end
-end
diff --git a/db/migrate/20190402083257_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb b/db/migrate/20190402083257_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb
deleted file mode 100644
index 7073df2a2..000000000
--- a/db/migrate/20190402083257_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-# This migration comes from acts_as_taggable_on_engine (originally 6)
-if ActiveRecord.gem_version >= Gem::Version.new('5.0')
-  class AddMissingIndexesOnTaggings < ActiveRecord::Migration[4.2]; end
-else
-  class AddMissingIndexesOnTaggings < ActiveRecord::Migration; end
-end
-AddMissingIndexesOnTaggings.class_eval do
-  def change
-    add_index :taggings, :tag_id unless index_exists? :taggings, :tag_id
-    add_index :taggings, :taggable_id unless index_exists? :taggings, :taggable_id
-    add_index :taggings, :taggable_type unless index_exists? :taggings, :taggable_type
-    add_index :taggings, :tagger_id unless index_exists? :taggings, :tagger_id
-    add_index :taggings, :context unless index_exists? :taggings, :context
-
-    unless index_exists? :taggings, [:tagger_id, :tagger_type]
-      add_index :taggings, [:tagger_id, :tagger_type]
-    end
-
-    unless index_exists? :taggings, [:taggable_id, :taggable_type, :tagger_id, :context], name: 'taggings_idy'
-      add_index :taggings, [:taggable_id, :taggable_type, :tagger_id, :context], name: 'taggings_idy'
-    end
-  end
-end
diff --git a/db/migrate/20190403022053_create_gtask_banks.rb b/db/migrate/20190403022053_create_gtask_banks.rb
deleted file mode 100644
index f7c7b4ffb..000000000
--- a/db/migrate/20190403022053_create_gtask_banks.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-class CreateGtaskBanks < ActiveRecord::Migration[5.2]
-  def change
-    create_table :gtask_banks do |t|
-      t.references :user
-      t.string :name
-      t.text :description
-      t.integer :task_type
-      t.integer :min_num, default: 0
-      t.integer :max_num, default: 0
-      t.integer :base_on_project, default: false
-      t.boolean :is_public, default: false
-      t.integer :quotes, default: 0
-      t.references :graduation_task
-      t.references :course_list
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190403025525_add_praises_count_for_jouranls_for_messages.rb b/db/migrate/20190403025525_add_praises_count_for_jouranls_for_messages.rb
deleted file mode 100644
index a175d64e5..000000000
--- a/db/migrate/20190403025525_add_praises_count_for_jouranls_for_messages.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class AddPraisesCountForJouranlsForMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :journals_for_messages, :praises_count, :integer, :default => 0
-
-    messages = JournalsForMessage.includes(:praise_treads).all
-    messages.find_each do |m|
-      puts("####{m.id}")
-      praises_count = m.praise_treads.liker.count
-      m.update_column(:praises_count, praises_count)
-    end
-
-  end
-end
diff --git a/db/migrate/20190403065609_create_gtopic_banks.rb b/db/migrate/20190403065609_create_gtopic_banks.rb
deleted file mode 100644
index a4e280252..000000000
--- a/db/migrate/20190403065609_create_gtopic_banks.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-class CreateGtopicBanks < ActiveRecord::Migration[5.2]
-  def change
-    create_table :gtopic_banks do |t|
-      t.references :user
-      t.string :name
-      t.text :description
-      t.integer :quotes
-      t.boolean :is_public
-      t.integer :topic_type
-      t.integer :topic_source
-      t.integer :topic_property_first
-      t.integer :topic_property_second
-      t.string :source_unit
-      t.integer :topic_repeat
-      t.string :province
-      t.string :city
-      t.references :graduation_topic
-      t.references :course_list
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190408060723_add_is_ordered_to_exercise_standard_answers.rb b/db/migrate/20190408060723_add_is_ordered_to_exercise_standard_answers.rb
deleted file mode 100644
index 8ed2a6f8c..000000000
--- a/db/migrate/20190408060723_add_is_ordered_to_exercise_standard_answers.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddIsOrderedToExerciseStandardAnswers < ActiveRecord::Migration[5.2]
-  def change
-    #试题的多空标准答案是否为一一对应，默认为一一对应,即true
-    add_column :exercise_standard_answers,:is_ordered,:boolean,:default => true
-  end
-end
diff --git a/db/migrate/20190410033511_change_column_in_homeworks.rb b/db/migrate/20190410033511_change_column_in_homeworks.rb
deleted file mode 100644
index df8da9b43..000000000
--- a/db/migrate/20190410033511_change_column_in_homeworks.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class ChangeColumnInHomeworks < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :homework_commons, :late_penalty, from: nil, to: 5
-    change_column_default :homework_commons, :anonymous_comment, from: 0, to: 1
-    change_column_default :homework_commons, :work_efficiency, from: 1, to: 0
-    change_column_default :homework_commons, :eff_score, from: 20, to: 0
-    change_column_default :homework_detail_manuals, :ta_proportion, from: nil, to: 0
-    change_column_default :homework_detail_manuals, :comment_status, from: nil, to: 0
-    change_column_default :homework_detail_manuals, :evaluation_num, from: nil, to: 0
-    change_column_default :homework_detail_manuals, :absence_penalty, from: 1, to: 0
-  end
-end
diff --git a/db/migrate/20190410081421_change_is_ordered_from_answer_to_question.rb b/db/migrate/20190410081421_change_is_ordered_from_answer_to_question.rb
deleted file mode 100644
index ae7144c4e..000000000
--- a/db/migrate/20190410081421_change_is_ordered_from_answer_to_question.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ChangeIsOrderedFromAnswerToQuestion < ActiveRecord::Migration[5.2]
-  def change
-    remove_column :exercise_standard_answers,:is_ordered
-    add_column :exercise_questions,:is_ordered,:boolean,:default => true
-  end
-end
diff --git a/db/migrate/20190410081736_migrate_homework_attachments.rb b/db/migrate/20190410081736_migrate_homework_attachments.rb
deleted file mode 100644
index fbdc26f6a..000000000
--- a/db/migrate/20190410081736_migrate_homework_attachments.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateHomeworkAttachments < ActiveRecord::Migration[5.2]
-  def change
-    Attachment.where(container_type: "HomeworkCommon").update_all(attachtype: 1)
-  end
-end
diff --git a/db/migrate/20190413011125_add_cloud_url_to_attachment_histories.rb b/db/migrate/20190413011125_add_cloud_url_to_attachment_histories.rb
deleted file mode 100644
index a2f9db27d..000000000
--- a/db/migrate/20190413011125_add_cloud_url_to_attachment_histories.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCloudUrlToAttachmentHistories < ActiveRecord::Migration[5.2]
-  def change
-    add_column :attachment_histories, :cloud_url, :string, default: ''
-  end
-end
diff --git a/db/migrate/20190415090426_change_homework_common_columns.rb b/db/migrate/20190415090426_change_homework_common_columns.rb
deleted file mode 100644
index 11360d47f..000000000
--- a/db/migrate/20190415090426_change_homework_common_columns.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class ChangeHomeworkCommonColumns < ActiveRecord::Migration[5.2]
-  def up
-    change_column :homework_commons, :score_open, :boolean, default: 1
-    change_column :homework_commons, :anonymous_comment, :boolean, default: 1
-    change_column :homework_commons, :anonymous_appeal, :boolean, default: 0
-  end
-
-  def down
-    change_column :homework_commons, :score_open, :int, default: 1
-    change_column :homework_commons, :anonymous_comment, :int, default: 1
-    change_column :homework_commons, :anonymous_appeal, :int, default: 0
-  end
-end
diff --git a/db/migrate/20190422032141_migrate_homework_late_time.rb b/db/migrate/20190422032141_migrate_homework_late_time.rb
deleted file mode 100644
index 342986b9c..000000000
--- a/db/migrate/20190422032141_migrate_homework_late_time.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-class MigrateHomeworkLateTime < ActiveRecord::Migration[5.2]
-  def change
-    homeworks = HomeworkCommon.where.not(end_time: nil).where(homework_type: [1, 3 ,4], allow_late: 1, late_time: nil)
-    homeworks.each do |homework|
-      if homework.course.try(:end_date).present?
-        homework.update_column("late_time", homework.course.end_date)
-      elsif homework.end_time.present?
-        homework.update_column("late_time", Time.at(homework.end_time.to_i + 30*24*3600))
-      end
-    end
-
-    tasks = GraduationTask.where.not(end_time: nil).where(allow_late: 1, late_time: nil)
-    tasks.each do |task|
-      if task.course.try(:end_date).present?
-        task.update_column("late_time", task.course.end_date)
-      elsif task.end_time.present?
-        task.update_column("late_time", Time.at(task.end_time.to_i + 30*24*3600))
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190422083020_add_journals_for_messages_count_for_hm_and_gt_and_gw.rb b/db/migrate/20190422083020_add_journals_for_messages_count_for_hm_and_gt_and_gw.rb
deleted file mode 100644
index 37162c850..000000000
--- a/db/migrate/20190422083020_add_journals_for_messages_count_for_hm_and_gt_and_gw.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-class AddJournalsForMessagesCountForHmAndGtAndGw < ActiveRecord::Migration[5.2]
-  def change
-    #add_column :homework_commons, :journals_for_messages_count, :integer, :default => 0
-    #add_column :graduation_tasks, :journals_for_messages_count, :integer, :default => 0
-    #add_column :graduation_topics, :journals_for_messages_count, :integer, :default => 0
-
-    type = ["GraduationTopic", "GraduationTask", "HomeworkCommon"]
-    messages = JournalsForMessage.where(jour_type: type).where("m_parent_id is not null")
-    # 迁移所有2级以上的回复
-    messages.each do |message|
-      while message.parent.try(:m_parent_id).present? do
-        puts "parent: #{message.parent.try(:m_parent_id)}"
-        message.update_attribute(:m_parent_id, message.parent.m_parent_id)
-      end
-    end
-
-  end
-end
diff --git a/db/migrate/20190424014128_migrate_homework_anonymous_comment.rb b/db/migrate/20190424014128_migrate_homework_anonymous_comment.rb
deleted file mode 100644
index 21c20fcce..000000000
--- a/db/migrate/20190424014128_migrate_homework_anonymous_comment.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class MigrateHomeworkAnonymousComment < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :homework_commons, :anonymous_comment, from: 1, to: 0
-
-    HomeworkCommon.update_all("anonymous_comment = !anonymous_comment")
-  end
-end
diff --git a/db/migrate/20190426010412_add_is_invalid_to_student_works_scores.rb b/db/migrate/20190426010412_add_is_invalid_to_student_works_scores.rb
deleted file mode 100644
index 2d782f924..000000000
--- a/db/migrate/20190426010412_add_is_invalid_to_student_works_scores.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-class AddIsInvalidToStudentWorksScores < ActiveRecord::Migration[5.2]
-  def change
-    add_column :student_works_scores, :is_invalid, :boolean, default: false
-
-    StudentWorksScore.where("score is not null").order("id desc").find_each do |score|
-      unless score.is_invalid
-        if score.student_work.present?
-          puts score.id
-          work = score.student_work
-
-          # 如果分数是调整分 则之前的所有分都无效
-          if score.is_ultimate
-            work.student_works_scores.where("score is not null and id < #{score.id}").update_all(is_invalid: 1)
-
-            # 如果是同一个用户角色的重复评分，则之前的评分都无效
-          elsif work.student_works_scores.where("user_id = #{score.user_id} and reviewer_role = #{score.reviewer_role}
-                                                  and score is not null and id < #{score.id}").count > 0
-            work.student_works_scores.where("user_id = #{score.user_id} and reviewer_role = #{score.reviewer_role}
-                                             and score is not null and id < #{score.id}").update_all(is_invalid: 1)
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190427010940_change_exercise_score_to_float.rb b/db/migrate/20190427010940_change_exercise_score_to_float.rb
deleted file mode 100644
index e8c57bc1e..000000000
--- a/db/migrate/20190427010940_change_exercise_score_to_float.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-class ChangeExerciseScoreToFloat < ActiveRecord::Migration[5.2]
-  def up
-    change_column :exercise_users,:score,:decimal,precision: 10, scale: 1
-    change_column :exercise_users, :objective_score, :decimal,precision: 10, scale: 1,default: 0.0
-    # change_column :exercise_users, :subjective_score, :decimal,precision: 10, scale: 1,default: 0.0
-    change_column :exercise_users, :subjective_score, :decimal,precision: 10, scale: 1,default: -1.0
-    # change_column :exercise_answers,:score,:decimal,precision: 10, scale: 1,default: 0.0
-    change_column :exercise_answers,:score,:decimal,precision: 10, scale: 1,default: -1.0    #6.10修改，方便判断主观题是否批阅
-    change_column :exercise_bank_questions,:question_score,:decimal,precision: 10, scale: 1
-    change_column :exercise_bank_shixun_challenges,:question_score,:decimal,precision: 10, scale: 1
-    change_column :exercise_questions,:question_score,:decimal,precision: 10, scale: 1
-    change_column :exercise_shixun_answers,:score,:decimal,precision: 10, scale: 1
-    change_column :exercise_shixun_challenges,:question_score,:decimal,precision: 10, scale: 1
-    change_column :exercise_answer_comments, :score,:decimal,precision: 10, scale: 1
-  end
-
-  def down
-    change_column :exercise_users,:score,:integer
-    change_column :exercise_users, :objective_score, :integer,default: -1
-    change_column :exercise_users, :subjective_score, :integer,default: -1
-    change_column :exercise_answers,:score,:integer,default: -1
-    change_column :exercise_bank_questions,:question_score,:integer
-    change_column :exercise_shixun_answers,:score,:integer
-    change_column :exercise_bank_shixun_challenges,:question_score,:integer
-    change_column :exercise_questions,:question_score,:integer
-    change_column :exercise_shixun_challenges,:question_score,:integer
-    change_column :exercise_answer_comments, :score,:integer
-  end
-end
diff --git a/db/migrate/20190427045904_update_exercise_default_value.rb b/db/migrate/20190427045904_update_exercise_default_value.rb
deleted file mode 100644
index 05d76ee44..000000000
--- a/db/migrate/20190427045904_update_exercise_default_value.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class UpdateExerciseDefaultValue < ActiveRecord::Migration[5.2]
-  def change
-    ExerciseUser.where(objective_score: -1.0).update_all(objective_score: 0.0)
-    # ExerciseUser.where(subjective_score: -1.0).update_all(subjective_score: 0.0)  #主观题默认分数为-1，不需修改
-    # ExerciseAnswer.where(score: -1.0).update_all(score: 0.0)                     #6.10 修改，方便判断主观题是否
-  end
-end
diff --git a/db/migrate/20190429012219_change_digest_to_string_in_attachment_histories.rb b/db/migrate/20190429012219_change_digest_to_string_in_attachment_histories.rb
deleted file mode 100644
index d7c7e5b14..000000000
--- a/db/migrate/20190429012219_change_digest_to_string_in_attachment_histories.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangeDigestToStringInAttachmentHistories < ActiveRecord::Migration[5.2]
-  def change
-    change_column :attachment_histories, :digest, :string, :limit => 60
-  end
-end
diff --git a/db/migrate/20190429015510_add_default_for_exercises.rb b/db/migrate/20190429015510_add_default_for_exercises.rb
deleted file mode 100644
index 3ebbf6e2f..000000000
--- a/db/migrate/20190429015510_add_default_for_exercises.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddDefaultForExercises < ActiveRecord::Migration[5.2]
-  def change
-    change_column :exercises, :exercise_status, :integer, :default => 1
-    change_column :exercises, :show_result, :integer, :default => 1
-    change_column :exercises, :time, :integer, :default => -1
-  end
-end
diff --git a/db/migrate/20190429080104_add_quotes_for_graduation_topics.rb b/db/migrate/20190429080104_add_quotes_for_graduation_topics.rb
deleted file mode 100644
index 57694008e..000000000
--- a/db/migrate/20190429080104_add_quotes_for_graduation_topics.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddQuotesForGraduationTopics < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_topics, :quotes, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190430090659_add_default_for_polls.rb b/db/migrate/20190430090659_add_default_for_polls.rb
deleted file mode 100644
index 2fcb260ab..000000000
--- a/db/migrate/20190430090659_add_default_for_polls.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddDefaultForPolls < ActiveRecord::Migration[5.2]
-  def change
-    change_column :polls, :polls_status, :integer, :default => 1
-  end
-end
diff --git a/db/migrate/20190505031946_sync_users_index.rb b/db/migrate/20190505031946_sync_users_index.rb
deleted file mode 100644
index a1f9b40fb..000000000
--- a/db/migrate/20190505031946_sync_users_index.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class SyncUsersIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :users, name: :index_users_on_phone_and_mail
-    remove_index :users, name: :index_users_on_id_and_type
-    remove_index :users, name: :index_users_on_auth_source_id
-    remove_index :users, name: :index_users_on_type
-  end
-end
diff --git a/db/migrate/20190505072404_remove_index_from_users.rb b/db/migrate/20190505072404_remove_index_from_users.rb
deleted file mode 100644
index b19219346..000000000
--- a/db/migrate/20190505072404_remove_index_from_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class RemoveIndexFromUsers < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :users, name: :index_users_on_experience
-  end
-end
diff --git a/db/migrate/20190505093440_init_use_index.rb b/db/migrate/20190505093440_init_use_index.rb
deleted file mode 100644
index b7c3101dd..000000000
--- a/db/migrate/20190505093440_init_use_index.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class InitUseIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :users, name: :index_users_on_login if index_exists?(:users, :login, name: :index_users_on_login)
-    remove_index :users, name: :index_users_on_mail if index_exists?(:users, :mail, name: :index_users_on_mail)
-    # add_index :users, :login, unique: true
-    # add_index :users, :mail, unique: true
-    # add_index :users, :phone, unique: true
-  end
-end
diff --git a/db/migrate/20190505095131_add_authentication_and_professional_certification_to_courses.rb b/db/migrate/20190505095131_add_authentication_and_professional_certification_to_courses.rb
deleted file mode 100644
index 2cc1ba940..000000000
--- a/db/migrate/20190505095131_add_authentication_and_professional_certification_to_courses.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddAuthenticationAndProfessionalCertificationToCourses < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :authentication, :boolean, default: false
-    add_column :courses, :professional_certification, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190508090916_migrate_new_student_work_status.rb b/db/migrate/20190508090916_migrate_new_student_work_status.rb
deleted file mode 100644
index d2e9bb379..000000000
--- a/db/migrate/20190508090916_migrate_new_student_work_status.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class MigrateNewStudentWorkStatus < ActiveRecord::Migration[5.2]
-  def change
-    homeworks = HomeworkCommon.where(allow_late: 0)
-    StudentWork.where(homework_common_id: homeworks, work_status: 2).update_all(work_status: 1)
-  end
-end
diff --git a/db/migrate/20190511020736_add_is_public_to_messages.rb b/db/migrate/20190511020736_add_is_public_to_messages.rb
deleted file mode 100644
index bbbba8f50..000000000
--- a/db/migrate/20190511020736_add_is_public_to_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIsPublicToMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :is_public, :boolean, :default => false
-  end
-end
diff --git a/db/migrate/20190514023907_add_column_to_zip_packs.rb b/db/migrate/20190514023907_add_column_to_zip_packs.rb
deleted file mode 100644
index 8ba250f37..000000000
--- a/db/migrate/20190514023907_add_column_to_zip_packs.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddColumnToZipPacks < ActiveRecord::Migration[5.2]
-  def change
-    add_column :zip_packs, :container_id, :integer, default: 0
-    add_column :zip_packs, :container_type, :string
-
-    add_index :zip_packs, [:container_id, :container_type]
-
-    ZipPack.all.update_all("container_type='HomeworkCommon', container_id = homework_id")
-  end
-end
diff --git a/db/migrate/20190514083047_change_question_random_exercises.rb b/db/migrate/20190514083047_change_question_random_exercises.rb
deleted file mode 100644
index 313d648bb..000000000
--- a/db/migrate/20190514083047_change_question_random_exercises.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class ChangeQuestionRandomExercises < ActiveRecord::Migration[5.2]
-  def up
-    change_column :exercises,:question_random,:boolean,default: false
-    change_column :exercises,:choice_random,:boolean,default: false
-
-  end
-  def down
-    change_column :exercises,:question_random,:integer,default: 0
-    change_column :exercises,:choice_random,:integer,default: 0
-  end
-end
diff --git a/db/migrate/20190515014734_change_poll_show_result_boolean.rb b/db/migrate/20190515014734_change_poll_show_result_boolean.rb
deleted file mode 100644
index f74dd02c4..000000000
--- a/db/migrate/20190515014734_change_poll_show_result_boolean.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class ChangePollShowResultBoolean < ActiveRecord::Migration[5.2]
-  def change
-    def up
-      change_column :polls,:show_result,:boolean,default: true
-    end
-    def down
-      change_column :polls,:show_result,:integer,default: 1
-    end
-  end
-end
diff --git a/db/migrate/20190517080313_add_test_set_average_for_challenges.rb b/db/migrate/20190517080313_add_test_set_average_for_challenges.rb
deleted file mode 100644
index cac1d80bc..000000000
--- a/db/migrate/20190517080313_add_test_set_average_for_challenges.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTestSetAverageForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    add_column :challenges, :test_set_average, :boolean, :default => true
-  end
-end
diff --git a/db/migrate/20190517085407_create_edu_settings.rb b/db/migrate/20190517085407_create_edu_settings.rb
deleted file mode 100644
index e6c081233..000000000
--- a/db/migrate/20190517085407_create_edu_settings.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateEduSettings < ActiveRecord::Migration[5.2]
-  def change
-    create_table :edu_settings do |t|
-      t.string :name
-      t.string :value
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190517092730_add_description_to_edu_settings.rb b/db/migrate/20190517092730_add_description_to_edu_settings.rb
deleted file mode 100644
index ad273b805..000000000
--- a/db/migrate/20190517092730_add_description_to_edu_settings.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class AddDescriptionToEduSettings < ActiveRecord::Migration[5.2]
-  def change
-    add_column :edu_settings, :description, :string
-    add_index :edu_settings, :name, unique: :true
-
-    ['tomcat_webssh', 'webssh_username', 'webssh_password', 'git_address_ip', 'git_address_domain', 'git_username',
-    'git_password', 'public_key', 'private_key', 'public_bucket', 'public_bucket_host', 'public_cdn_host', 'cloud_bridge',
-    'cloud_tomcat_php', 'host_name', 'old_edu_host'].each do |name|
-      if EduSetting.find_by_name(name).nil?
-        EduSetting.create(name: name)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190518085626_add_index_to_verificatiojn_codes.rb b/db/migrate/20190518085626_add_index_to_verificatiojn_codes.rb
deleted file mode 100644
index e4bdaac19..000000000
--- a/db/migrate/20190518085626_add_index_to_verificatiojn_codes.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddIndexToVerificatiojnCodes < ActiveRecord::Migration[5.2]
-  def change
-    add_index :verification_codes, [:phone], name: 'by_phone' if !index_exists?(:verification_codes, :phone)
-    add_index :verification_codes, [:email], name: 'by_email' if !index_exists?(:verification_codes, :email)
-  end
-end
diff --git a/db/migrate/20190522091226_alter_educoder_indexs.rb b/db/migrate/20190522091226_alter_educoder_indexs.rb
deleted file mode 100644
index 6e1ed9bb5..000000000
--- a/db/migrate/20190522091226_alter_educoder_indexs.rb
+++ /dev/null
@@ -1,70 +0,0 @@
-class AlterEducoderIndexs < ActiveRecord::Migration[5.2]
-  def change
-
-    add_index :onclick_times, :user_id if !index_exists?(:onclick_times, :user_id)
-    remove_index :courses, :syllabus_id
-    add_index :courses, :tea_id
-    add_index :course_modules, [:course_id, :module_type]
-    remove_index :homework_commons, :course_homework_category_id
-    add_index :exercises, :course_id
-    remove_index :teacher_course_groups, :member_id
-    remove_index :student_works, :created_at
-    remove_index :student_works, :user_id
-    remove_index :student_works, :myshixun_id
-    remove_index :homework_challenge_settings, :shixun_id
-    remove_index :exercise_users, :exercise_id
-    add_index :exercise_users, [:exercise_id, :user_id]
-    add_index :homework_banks, :user_id
-    remove_index :exercise_answers, :exercise_choice_id
-    remove_index :exercise_answers, :exercise_question_id
-    add_index :exercise_answers, [:exercise_question_id, :user_id]
-    remove_index :exercise_shixun_challenges, :shixun_id
-    remove_index :exercise_shixun_answers, :exercise_shixun_challenge_id
-    remove_index :exercise_shixun_answers, :exercise_question_id
-    add_index :exercise_shixun_answers, [:exercise_question_id, :user_id], name: "exercise_question_id_user_id"
-    remove_index :student_works_evaluation_distributions, :student_work_id
-    add_index :student_works_evaluation_distributions, :user_id
-    remove_index :challenge_work_scores, :user_id
-    add_index :poll_questions, :poll_id
-    add_index :poll_users, [:poll_id, :user_id]
-    add_index :poll_answers, :poll_question_id
-    add_index :poll_votes, [:poll_question_id, :user_id], name: "poll_question_id_user_id"
-    remove_index :graduation_tasks, :user_id
-    remove_index :graduation_work_comment_assignations, :graduation_group_id
-    remove_index :graduation_works, :course_id
-    remove_index :graduation_works, :project_id
-    remove_index :graduation_works, :graduation_task_id
-    remove_index :graduation_works, :user_id
-    add_index :graduation_works, [:graduation_task_id, :user_id], name: "graduation_task_id_user_id"
-
-    remove_index :graduation_work_scores, :graduation_task_id
-    remove_index :graduation_topics, :user_id
-    remove_index :graduation_topics, :tea_id
-    remove_index :student_graduation_topics, :member_id
-    remove_index :student_graduation_topics, :course_member_id
-    add_index :boards, :course_id
-    remove_index :messages, :author_id
-    remove_index :messages, :is_hidden
-    remove_index :messages, :root_id
-    remove_index :messages, :created_on
-    remove_index :attachments, :quotes
-    remove_index :attachments, :is_public
-    remove_index :attachments, :course_second_category_id
-    remove_index :course_members, :graduation_group_id
-    add_index :student_works_scores_appeals, :student_works_score_id
-    add_index :challenges, :shixun_id
-    add_index :challenge_chooses, :challenge_id
-    add_index :challenge_questions, :challenge_choose_id
-    add_index :challenge_tags, :challenge_id
-    remove_index :games, :user_id
-    add_index :shixun_members, :shixun_id
-    add_index :shixun_tag_repertoires, [:shixun_id, :tag_repertoire_id], name: "shixun_id_tag_repertoire_id"
-    add_index :shixun_schools, :shixun_id
-    add_index :shixun_mirror_repositories, :shixun_id
-    add_index :shixun_modifies, [:shixun_id, :myshixun_id], name: "shixun_id_myshixun_id"
-    remove_index :myshixuns, :user_id
-    remove_index :outputs, :created_at
-    remove_index :outputs, :test_set_position
-    remove_index :stages, :user_id
-  end
-end
diff --git a/db/migrate/20190524020819_change_exercise_question_type.rb b/db/migrate/20190524020819_change_exercise_question_type.rb
deleted file mode 100644
index 625a57d06..000000000
--- a/db/migrate/20190524020819_change_exercise_question_type.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class ChangeExerciseQuestionType < ActiveRecord::Migration[5.2]
-  def change
-    ExerciseQuestion.where(question_type: 1).update_all(question_type: 0)  #新版0为单选题，1为多选题，2为判断题
-    ExerciseQuestion.where(question_type: 2).update_all(question_type: 1)
-
-    ExerciseBankQuestion.where(question_type: 1).update_all(question_type: 0)
-    ExerciseBankQuestion.where(question_type: 2).update_all(question_type: 1)
-
-  end
-end
diff --git a/db/migrate/20190528024055_migrate_base_on_project.rb b/db/migrate/20190528024055_migrate_base_on_project.rb
deleted file mode 100644
index d0ee197cb..000000000
--- a/db/migrate/20190528024055_migrate_base_on_project.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateBaseOnProject < ActiveRecord::Migration[5.2]
-  def change
-    change_column :homework_detail_groups, :base_on_project, :boolean, default: true
-  end
-end
diff --git a/db/migrate/20190603024856_migrate_course_late_settings.rb b/db/migrate/20190603024856_migrate_course_late_settings.rb
deleted file mode 100644
index 3097d3d34..000000000
--- a/db/migrate/20190603024856_migrate_course_late_settings.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class MigrateCourseLateSettings < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :homework_commons, :allow_late, from: 1, to: 0
-    change_column_default :homework_commons, :late_penalty, from: 5, to: 0
-
-    change_column_default :graduation_tasks, :allow_late, from: 1, to: 0
-    change_column_default :graduation_tasks, :late_penalty, from: 5, to: 0
-  end
-end
diff --git a/db/migrate/20190606061948_migrate_student_works_scores_score.rb b/db/migrate/20190606061948_migrate_student_works_scores_score.rb
deleted file mode 100644
index c531357a8..000000000
--- a/db/migrate/20190606061948_migrate_student_works_scores_score.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateStudentWorksScoresScore < ActiveRecord::Migration[5.2]
-  def change
-    change_column :student_works_scores, :score, :float
-  end
-end
diff --git a/db/migrate/20190610013620_change_question_random_default_true.rb b/db/migrate/20190610013620_change_question_random_default_true.rb
deleted file mode 100644
index d0c785d46..000000000
--- a/db/migrate/20190610013620_change_question_random_default_true.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class ChangeQuestionRandomDefaultTrue < ActiveRecord::Migration[5.2]
-  #试卷的题目和选项的随机显示，需默认勾选
-  def up
-    change_column_default :exercises,:question_random,true
-    change_column_default :exercises,:choice_random,true
-  end
-
-  def down
-    change_column_default :exercises,:question_random,false
-    change_column_default :exercises,:choice_random,false
-  end
-end
diff --git a/db/migrate/20190613022158_add_exec_time_to_challenge.rb b/db/migrate/20190613022158_add_exec_time_to_challenge.rb
deleted file mode 100644
index c1743674c..000000000
--- a/db/migrate/20190613022158_add_exec_time_to_challenge.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddExecTimeToChallenge < ActiveRecord::Migration[5.2]
-  def change
-    add_column :challenges, :exec_time, :integer
-
-    Shixun.find_each do |shixun|
-      shixun.challenges.update_all(exec_time: shixun.exec_time)
-    end
-  end
-end
diff --git a/db/migrate/20190617081105_change_default_data_for_name_in_borads.rb b/db/migrate/20190617081105_change_default_data_for_name_in_borads.rb
deleted file mode 100644
index 2dbbb7146..000000000
--- a/db/migrate/20190617081105_change_default_data_for_name_in_borads.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class ChangeDefaultDataForNameInBorads < ActiveRecord::Migration[5.2]
-  def change
-    puts "--------- START ------------"
-    Board.roots.joins(:course).where('courses.id = boards.course_id').find_each do |board|
-      board.update_columns(name: '讨论区') unless board.name.strip === '讨论区'
-      puts "Board ID IS #{board.id}"
-    end
-    puts "--------- END ----------"
-  end
-end
diff --git a/db/migrate/20190619055012_add_uniq_index_to_course_modules.rb b/db/migrate/20190619055012_add_uniq_index_to_course_modules.rb
deleted file mode 100644
index 92ae6449f..000000000
--- a/db/migrate/20190619055012_add_uniq_index_to_course_modules.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-class AddUniqIndexToCourseModules < ActiveRecord::Migration[5.2]
-  def change
-    # sql = %Q(delete from exercise_users where (user_id, exercise_id) in
-    #         (select * from (select user_id, exercise_id from exercise_users group by user_id, exercise_id having count(*) > 1) a)
-    #         and id not in (select * from (select min(id) from exercise_users group by user_id, exercise_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :exercise_users, [:user_id, :exercise_id], unique: true, name: "index_user_id_and_exercise_id"
-
-
-    sql = %Q(delete from exercise_shixun_answers where (user_id, exercise_shixun_challenge_id) in
-            (select * from (select user_id, exercise_shixun_challenge_id from exercise_shixun_answers group by user_id, exercise_shixun_challenge_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from exercise_shixun_answers group by user_id, exercise_shixun_challenge_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-
-    add_index :exercise_shixun_answers, [:user_id, :exercise_shixun_challenge_id], unique: true,
-              name: "index_user_id_and_exercise_shixun_challenge_id"
-
-
-    # sql = %Q(delete from student_works where (user_id, homework_common_id) in
-    #         (select * from (select user_id, homework_common_id from student_works group by user_id, homework_common_id having count(*) > 1) a)
-    #         and id not in (select * from (select min(id) from student_works group by user_id, homework_common_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :student_works, [:user_id, :homework_common_id], unique: true, name: "index_user_id_and_homework_common_id"
-    #
-    #
-    # sql = %Q(delete from poll_users where (user_id, poll_id) in
-    #         (select * from (select user_id, poll_id from poll_users group by user_id, poll_id having count(*) > 1) a) and
-    #         id not in (select * from (select min(id) from poll_users group by user_id, poll_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :poll_users, [:user_id, :poll_id], unique: true, name: "index_user_id_and_poll_id"
-    #
-    #
-    # sql = %Q(delete from graduation_works where (user_id, graduation_task_id) in
-    #         (select * from (select user_id, graduation_task_id from graduation_works group by user_id, graduation_task_id having count(*) > 1) a) and
-    #         id not in (select * from (select min(id) from graduation_works group by user_id, graduation_task_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :graduation_works, [:user_id, :graduation_task_id], unique: true, name: "index_user_id_and_graduation_task_id"
-  end
-end
diff --git a/db/migrate/20190619093200_add_profile_completed_to_users.rb b/db/migrate/20190619093200_add_profile_completed_to_users.rb
deleted file mode 100644
index 5248abd58..000000000
--- a/db/migrate/20190619093200_add_profile_completed_to_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddProfileCompletedToUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_column :users, :profile_completed, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190619120609_add_graduation_topics_count_to_course.rb b/db/migrate/20190619120609_add_graduation_topics_count_to_course.rb
deleted file mode 100644
index 01444b7ce..000000000
--- a/db/migrate/20190619120609_add_graduation_topics_count_to_course.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddGraduationTopicsCountToCourse < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :graduation_topics_count, :integer, :default => 0
-    add_column :courses, :graduation_tasks_count, :integer, :default => 0
-    # add_column :courses, :attachments_count, :integer, :default => 0
-    add_column :courses, :polls_count, :integer, :default => 0
-    add_column :courses, :exercises_count, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190619123328_sync_countcha_for_course.rb b/db/migrate/20190619123328_sync_countcha_for_course.rb
deleted file mode 100644
index acd9e9716..000000000
--- a/db/migrate/20190619123328_sync_countcha_for_course.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class SyncCountchaForCourse < ActiveRecord::Migration[5.2]
-  def change
-    Course.find_each do |course|
-      Course.reset_counters course.id, :graduation_topics
-      Course.reset_counters course.id, :graduation_tasks
-      Course.reset_counters course.id, :polls
-      Course.reset_counters course.id, :exercises
-      # Course.reset_counters course.id, :attachments
-    end
-  end
-end
diff --git a/db/migrate/20190620010439_add_uniq_index_to_course_member.rb b/db/migrate/20190620010439_add_uniq_index_to_course_member.rb
deleted file mode 100644
index f17cd4274..000000000
--- a/db/migrate/20190620010439_add_uniq_index_to_course_member.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddUniqIndexToCourseMember < ActiveRecord::Migration[5.2]
-  def change
-    # sql = %Q(delete from course_members where (user_id, course_id, role) in
-    #         (select * from (select user_id, course_id, role from course_members group by user_id, course_id, role having count(*) > 1) a)
-    #         and id not in (select * from (select min(id) from course_members group by user_id, course_id, role having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :course_members, [:user_id, :course_id, :role], unique: true, name: "index_user_id_course_id_role"
-  end
-end
diff --git a/db/migrate/20190620015912_modify_colla_index.rb b/db/migrate/20190620015912_modify_colla_index.rb
deleted file mode 100644
index 0e9e23301..000000000
--- a/db/migrate/20190620015912_modify_colla_index.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-class ModifyCollaIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :exercise_users, [:user_id, :exercise_id] if index_exists?(:exercise_users, [:user_id, :exercise_id])
-    remove_index :exercise_users, [:exercise_id, :user_id] if index_exists?(:exercise_users, [:exercise_id, :user_id])
-    sql = %Q(delete from exercise_users where (user_id, exercise_id) in
-            (select * from (select user_id, exercise_id from exercise_users group by user_id, exercise_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from exercise_users group by user_id, exercise_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :exercise_users, [:exercise_id, :user_id], unique: true, name: "index_on_exercise_id_user_id"
-
-
-    remove_index :exercise_shixun_answers, :user_id
-
-
-    remove_index :student_works, [:user_id, :homework_common_id] if index_exists?(:student_works, [:user_id, :homework_common_id])
-    remove_index :student_works, [:homework_common_id, :user_id] if index_exists?(:student_works, [:homework_common_id, :user_id])
-    sql = %Q(delete from student_works where (user_id, homework_common_id) in
-            (select * from (select user_id, homework_common_id from student_works group by user_id, homework_common_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from student_works group by user_id, homework_common_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :student_works, [:homework_common_id, :user_id], unique: true, name: "index_on_homework_common_id_user_id"
-
-
-    remove_index :poll_users, [:user_id, :poll_id] if index_exists?(:poll_users, [:user_id, :poll_id])
-    remove_index :poll_users, [:poll_id, :user_id] if index_exists?(:poll_users, [:poll_id, :user_id])
-    sql = %Q(delete from poll_users where (user_id, poll_id) in
-            (select * from (select user_id, poll_id from poll_users group by user_id, poll_id having count(*) > 1) a) and
-            id not in (select * from (select min(id) from poll_users group by user_id, poll_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :poll_users, [:poll_id, :user_id], unique: true, name: "index_poll_id_and_user_id"
-
-
-    remove_index :graduation_works, [:user_id, :graduation_task_id] if index_exists?(:graduation_works, [:user_id, :graduation_task_id])
-    remove_index :graduation_works, [:graduation_task_id, :user_id] if index_exists?(:graduation_works, [:graduation_task_id, :user_id])
-    sql = %Q(delete from graduation_works where (user_id, graduation_task_id) in
-            (select * from (select user_id, graduation_task_id from graduation_works group by user_id, graduation_task_id having count(*) > 1) a) and
-            id not in (select * from (select min(id) from graduation_works group by user_id, graduation_task_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :graduation_works, [:graduation_task_id, :user_id], unique: true, name: "index_graduation_task_id_and_user_id"
-
-
-    remove_index :course_members, [:user_id, :course_id, :role] if index_exists?(:course_members, [:user_id, :course_id, :role])
-    remove_index :course_members, :course_id if index_exists?(:course_members, :course_id)
-    remove_index :course_members, :user_id if index_exists?(:course_members, :user_id)
-    sql = %Q(delete from course_members where (course_id, user_id, role) in
-            (select * from (select course_id, user_id, role from course_members group by course_id, user_id, role having count(*) > 1) a)
-            and id not in (select * from (select min(id) from course_members group by course_id, user_id, role having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :course_members, [:course_id, :user_id, :role], unique: true, name: "index_course_id_user_id_role"
-  end
-end
diff --git a/db/migrate/20190620021243_add_homework_bank_id_index_to_homework_commons.rb b/db/migrate/20190620021243_add_homework_bank_id_index_to_homework_commons.rb
deleted file mode 100644
index 9a97b82bf..000000000
--- a/db/migrate/20190620021243_add_homework_bank_id_index_to_homework_commons.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddHomeworkBankIdIndexToHomeworkCommons < ActiveRecord::Migration[5.2]
-  def change
-    add_index :homework_commons, :homework_bank_id
-  end
-end
diff --git a/db/migrate/20190620075503_add_bank_id_for_graduation_task_and_topic.rb b/db/migrate/20190620075503_add_bank_id_for_graduation_task_and_topic.rb
deleted file mode 100644
index 8149731e7..000000000
--- a/db/migrate/20190620075503_add_bank_id_for_graduation_task_and_topic.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddBankIdForGraduationTaskAndTopic < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_tasks, :gtask_bank_id, :integer
-    add_column :graduation_topics, :gtopic_bank_id, :integer
-  end
-end
diff --git a/db/migrate/20190621010002_change_default_to_max_num.rb b/db/migrate/20190621010002_change_default_to_max_num.rb
deleted file mode 100644
index 435756cd8..000000000
--- a/db/migrate/20190621010002_change_default_to_max_num.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangeDefaultToMaxNum < ActiveRecord::Migration[5.2]
-  def change
-    change_column :graduation_tasks, :max_num, :integer, default: 5
-  end
-end
diff --git a/db/migrate/20190621062948_migrate_course_module_activity.rb b/db/migrate/20190621062948_migrate_course_module_activity.rb
deleted file mode 100644
index 1fa1ea112..000000000
--- a/db/migrate/20190621062948_migrate_course_module_activity.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateCourseModuleActivity < ActiveRecord::Migration[5.2]
-  def change
-    CourseModule.where(module_type: 'activity').update_all(hidden: 1)
-  end
-end
\ No newline at end of file
diff --git a/db/migrate/20190621083604_add_descendants_count_to_messages.rb b/db/migrate/20190621083604_add_descendants_count_to_messages.rb
deleted file mode 100644
index 02b721583..000000000
--- a/db/migrate/20190621083604_add_descendants_count_to_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddDescendantsCountToMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :descendants_count, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190621105144_sync_ivalid_users.rb b/db/migrate/20190621105144_sync_ivalid_users.rb
deleted file mode 100644
index f2875977f..000000000
--- a/db/migrate/20190621105144_sync_ivalid_users.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-class SyncIvalidUsers < ActiveRecord::Migration[5.2]
-  # def change
-  #   users = User.where.not(id: 2).find_by_sql("select count(*) as user_count, login from users group by login having user_count>1")
-  #   users.each do |user|
-  #     valid_users = User.where(login: user.login)
-  #     valid_users.each do |valid_user|
-  #       unless valid_user.lastname.present?
-  #         valid_user.delete
-  #       end
-  #     end
-  #   end
-  #
-  #   mail_users = User.where.not(id: 2).find_by_sql("select count(*) as user_count, mail from users where mail is not null group by mail having user_count>1")
-  #   mail_users.each do |mail_user|
-  #     valid_mail_users = User.where(mail: mail_user.mail)
-  #     valid_mail_users.each do |valid_mail_user|
-  #       unless valid_mail_user.lastname.present?
-  #         valid_mail_user.delete
-  #       end
-  #     end
-  #   end
-  #
-  #
-  #   phone_users = User.where.not(id: 2).find_by_sql("select count(*) as user_count, phone from users where phone is not null group by phone having user_count>1")
-  #   phone_users.each do |phone_user|
-  #     valid_phone_users = User.where(phone: phone_user.phone)
-  #     valid_phone_users.each do |valid_phone_user|
-  #       unless valid_phone_user.lastname.present?
-  #         valid_phone_user.delete
-  #       end
-  #     end
-  #   end
-  # end
-end
diff --git a/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb b/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb
deleted file mode 100644
index 1a3aa147b..000000000
--- a/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-class ModifyShixunInfoForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    Shixun.find_each do |shixun|
-      if shixun.shixun_info
-        shixun.shixun_info.update_attributes(propaedeutics: shixun[:propaedeutics],
-                                             description: shixun[:description],
-                                             evaluate_script: shixun[:evaluate_script],
-                                             shixun_id: shixun[:id])
-      else
-        ShixunInfo.create!(propaedeutics: shixun[:propaedeutics], description: shixun[:description],
-                           evaluate_script: shixun[:evaluate_script], shixun_id: shixun.id)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190622060005_remove_shixun_long_text_for_shixuns.rb b/db/migrate/20190622060005_remove_shixun_long_text_for_shixuns.rb
deleted file mode 100644
index 4557c610f..000000000
--- a/db/migrate/20190622060005_remove_shixun_long_text_for_shixuns.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class RemoveShixunLongTextForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    if Shixun.first.has_attribute?(:description)
-      remove_columns :shixuns, :description, :propaedeutics, :evaluate_script
-    end
-  end
-end
diff --git a/db/migrate/20190624085120_add_uniq_index_to_homework_challenge_settings.rb b/db/migrate/20190624085120_add_uniq_index_to_homework_challenge_settings.rb
deleted file mode 100644
index 49a385ad9..000000000
--- a/db/migrate/20190624085120_add_uniq_index_to_homework_challenge_settings.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddUniqIndexToHomeworkChallengeSettings < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :homework_challenge_settings, [:homework_common_id, :challenge_id] if index_exists?(:homework_challenge_settings, [:homework_common_id, :challenge_id])
-    sql = %Q(delete from homework_challenge_settings where (homework_common_id, challenge_id) in
-            (select * from (select homework_common_id, challenge_id from homework_challenge_settings group by homework_common_id, challenge_id having count(*) > 1) a)
-            and id not in (select * from (select max(id) from homework_challenge_settings group by homework_common_id, challenge_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :homework_challenge_settings, [:homework_common_id, :challenge_id], unique: true, name: "index_on_homework_common_id_challenge_id"
-  end
-end
diff --git a/db/migrate/20190625012548_add_index_for_evaluate_record.rb b/db/migrate/20190625012548_add_index_for_evaluate_record.rb
deleted file mode 100644
index d67e33b1e..000000000
--- a/db/migrate/20190625012548_add_index_for_evaluate_record.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddIndexForEvaluateRecord < ActiveRecord::Migration[5.2]
-  def change
-    # 增加evalute_records的索引，提高查询效率
-    add_index :evaluate_records, :game_id
-  end
-end
diff --git a/db/migrate/20190627012118_modify_quotes_for_gtopic_banks.rb b/db/migrate/20190627012118_modify_quotes_for_gtopic_banks.rb
deleted file mode 100644
index a47157414..000000000
--- a/db/migrate/20190627012118_modify_quotes_for_gtopic_banks.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ModifyQuotesForGtopicBanks < ActiveRecord::Migration[5.2]
-  def change
-    GtopicBank.where("quotes is null").update_all(:quotes => 0)
-    change_column :gtopic_banks, :quotes, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190701013243_add_calculation_time_to_homework.rb b/db/migrate/20190701013243_add_calculation_time_to_homework.rb
deleted file mode 100644
index 4a622ee92..000000000
--- a/db/migrate/20190701013243_add_calculation_time_to_homework.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddCalculationTimeToHomework < ActiveRecord::Migration[5.2]
-  def change
-    add_column :homework_commons, :calculation_time, :datetime
-    add_column :student_works, :calculation_time, :datetime
-  end
-end
diff --git a/db/migrate/20190703072611_add_old_exercise_tiankong_choice_id.rb b/db/migrate/20190703072611_add_old_exercise_tiankong_choice_id.rb
deleted file mode 100644
index 9ad1429e2..000000000
--- a/db/migrate/20190703072611_add_old_exercise_tiankong_choice_id.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-class AddOldExerciseTiankongChoiceId < ActiveRecord::Migration[5.2]
-
-  def up
-    #类型为3 的问题答案及标准答案更新exercise_choice_id 为1，即表示第一空
-    exercise_question_ids = ExerciseQuestion.where("question_type = 3").pluck(:id)
-    ExerciseAnswer.where(exercise_question_id: exercise_question_ids,exercise_choice_id: nil).update_all(exercise_choice_id:1)
-    ExerciseStandardAnswer.where(exercise_question_id: exercise_question_ids,exercise_choice_id: nil).update_all(exercise_choice_id:1)
-
-    exercise_bank_question_ids = ExerciseBankQuestion.where("question_type =3").pluck(:id)
-    ExerciseBankStandardAnswer.where(exercise_bank_question_id: exercise_bank_question_ids).update_all(exercise_bank_choice_id:1)
-  end
-
-  def down
-    #类型为3 的问题答案及标准答案更新exercise_choice_id 为1，即表示第一空
-    exercise_question_ids = ExerciseQuestion.where("question_type = 3").pluck(:id)
-    ExerciseAnswer.where(exercise_question_id: exercise_question_ids,exercise_choice_id: 1).update_all(exercise_choice_id:nil)
-    ExerciseStandardAnswer.where(exercise_question_id: exercise_question_ids,exercise_choice_id: 1).update_all(exercise_choice_id:nil)
-
-    exercise_bank_question_ids = ExerciseBankQuestion.where("question_type =3").pluck(:id)
-    ExerciseBankStandardAnswer.where(exercise_bank_question_id: exercise_bank_question_ids).update_all(exercise_bank_choice_id:nil)
-  end
-
-end
diff --git a/db/migrate/20190703090511_add_index_for_shixun_services.rb b/db/migrate/20190703090511_add_index_for_shixun_services.rb
deleted file mode 100644
index 693add3e3..000000000
--- a/db/migrate/20190703090511_add_index_for_shixun_services.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddIndexForShixunServices < ActiveRecord::Migration[5.2]
-  def change
-    sql = %Q(delete from shixun_service_configs where (shixun_id, mirror_repository_id) in
-            (select * from (select shixun_id, mirror_repository_id from shixun_service_configs group by shixun_id, mirror_repository_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from shixun_service_configs group by shixun_id, mirror_repository_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-    add_index :shixun_service_configs, [:shixun_id, :mirror_repository_id], unique: true, name: "shixun_id_mirror_id_unique"
-  end
-end
diff --git a/db/migrate/20190705011739_add_praises_count_for_challenges.rb b/db/migrate/20190705011739_add_praises_count_for_challenges.rb
deleted file mode 100644
index 6ae1d8420..000000000
--- a/db/migrate/20190705011739_add_praises_count_for_challenges.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddPraisesCountForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    add_column :challenges, :praises_count, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190705013204_modify_praises_count_for_challenges.rb b/db/migrate/20190705013204_modify_praises_count_for_challenges.rb
deleted file mode 100644
index 59aa6ca53..000000000
--- a/db/migrate/20190705013204_modify_praises_count_for_challenges.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class ModifyPraisesCountForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    challenges = Challenge.where(nil).unscoped
-    challenges.find_each do |c|
-      praises_count = c.praise_treads.where(praise_or_tread: 1).count
-      c.update_column(:praises_count, praises_count)
-    end
-  end
-end
diff --git a/db/migrate/20190705022502_add_praises_count_for_discuess.rb b/db/migrate/20190705022502_add_praises_count_for_discuess.rb
deleted file mode 100644
index 47fd5ec1a..000000000
--- a/db/migrate/20190705022502_add_praises_count_for_discuess.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddPraisesCountForDiscuess < ActiveRecord::Migration[5.2]
-  def change
-    add_column :discusses, :praises_count, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190705022737_modify_praises_count_for_discuess.rb b/db/migrate/20190705022737_modify_praises_count_for_discuess.rb
deleted file mode 100644
index 4d5b6ca97..000000000
--- a/db/migrate/20190705022737_modify_praises_count_for_discuess.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class ModifyPraisesCountForDiscuess < ActiveRecord::Migration[5.2]
-  def change
-    discusses =  Discuss.includes(:praise_treads).unscoped
-    discusses.find_each do |d|
-      praises_count = d.praise_treads.liker.count
-      d.update_column(:praises_count, praises_count)
-    end
-  end
-end
diff --git a/db/migrate/20190705085829_add_sec_key_to_outputs.rb b/db/migrate/20190705085829_add_sec_key_to_outputs.rb
deleted file mode 100644
index 1da2930ae..000000000
--- a/db/migrate/20190705085829_add_sec_key_to_outputs.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddSecKeyToOutputs < ActiveRecord::Migration[5.2]
-  def change
-    #add_column :outputs, :sec_key, :string
-    # add_column :outputs, :ts_mem, :float
-    # add_column :outputs, :ts_time, :float
-  end
-end
diff --git a/db/migrate/20190706010307_create_user_interests.rb b/db/migrate/20190706010307_create_user_interests.rb
deleted file mode 100644
index d64a1c228..000000000
--- a/db/migrate/20190706010307_create_user_interests.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class CreateUserInterests < ActiveRecord::Migration[5.2]
-  def change
-    create_table :user_interests do |t|
-      t.references :user
-      t.references :repertoire
-    end
-  end
-end
diff --git a/db/migrate/20190708062910_add_index_for_run_code_message.rb b/db/migrate/20190708062910_add_index_for_run_code_message.rb
deleted file mode 100644
index 4449d58a2..000000000
--- a/db/migrate/20190708062910_add_index_for_run_code_message.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexForRunCodeMessage < ActiveRecord::Migration[5.2]
-  def change
-    add_index :run_code_messages, :game_id
-  end
-end
diff --git a/db/migrate/20190711062033_modify_challenge_id_for_discusses.rb b/db/migrate/20190711062033_modify_challenge_id_for_discusses.rb
deleted file mode 100644
index 86052375b..000000000
--- a/db/migrate/20190711062033_modify_challenge_id_for_discusses.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class ModifyChallengeIdForDiscusses < ActiveRecord::Migration[5.2]
-  def change
-    discusses = Discuss.where(challenge_id: nil)
-    discusses.each do |dis|
-      challenge_id = Shixun.find(dis.dis_id).challenges.first.id
-      dis.update_column(:challenge_id, challenge_id)
-    end
-    add_index :discusses, :challenge_id
-
-  end
-end
diff --git a/db/migrate/20190713022300_modify_md_attachment_url_for_md_cotents.rb b/db/migrate/20190713022300_modify_md_attachment_url_for_md_cotents.rb
deleted file mode 100644
index 10b821fc5..000000000
--- a/db/migrate/20190713022300_modify_md_attachment_url_for_md_cotents.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-class ModifyMdAttachmentUrlForMdCotents < ActiveRecord::Migration[5.2]
-  def change
-    # 更新MarkDown图片的URL
-    homework_commons = HomeworkCommon.all
-    homework_commons.find_each do |hc|
-      hc.update_column(:description, hc.description.gsub("![](/attachments/download", "![](/api/attachments")) if hc.description.present?
-    end
-
-    challenges = Challenge.all.unscoped
-    challenges.find_each do |c|
-      c.update_column(:task_pass, c.task_pass.gsub("![](/attachments/download", "![](/api/attachments")) if c.task_pass.present?
-    end
-
-    challenge_answers = ChallengeAnswer.all.unscoped
-    challenge_answers.find_each do |ca|
-      ca.update_column(:contents, ca.contents.gsub("![](/attachments/download", "![](/api/attachments")) if ca.contents.present?
-    end
-
-    shixun_infos = ShixunInfo.all
-    shixun_infos.find_each do |si|
-      si.update_column(:propaedeutics, si.propaedeutics.gsub("![](/attachments/download", "![](/api/attachments")) if si.propaedeutics.present?
-      si.update_column(:description, si.description.gsub("![](/attachments/download", "![](/api/attachments")) if si.description.present?
-    end
-
-    subjects = Subject.all
-    subjects.find_each do |s|
-      s.update_column(:description, s.description.gsub("![](/attachments/download", "![](/api/attachments")) if s.description.present?
-    end
-
-    plats = PlatformSample.where(samples_type: ['introduction', 'knowledge'])
-    plats.find_each do |p|
-      p.update_column(:contents, p.contents.gsub("![](/attachments/download", "![](/api/attachments")) if p.contents.present?
-    end
-  end
-end
diff --git a/db/migrate/20190716064225_add_max_mem_to_evaluate_records.rb b/db/migrate/20190716064225_add_max_mem_to_evaluate_records.rb
deleted file mode 100644
index 86425262d..000000000
--- a/db/migrate/20190716064225_add_max_mem_to_evaluate_records.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddMaxMemToEvaluateRecords < ActiveRecord::Migration[5.2]
-  def change
-    #add_column :evaluate_records, :max_mem, :float
-  end
-end
diff --git a/db/migrate/20190720025309_add_ts_mem_for_outputs.rb b/db/migrate/20190720025309_add_ts_mem_for_outputs.rb
deleted file mode 100644
index fac886fda..000000000
--- a/db/migrate/20190720025309_add_ts_mem_for_outputs.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTsMemForOutputs < ActiveRecord::Migration[5.2]
-  def change
-    #add_column :outputs, :ts_mem, :float
-  end
-end
diff --git a/db/migrate/20190720025341_add_ts_time_for_outputs.rb b/db/migrate/20190720025341_add_ts_time_for_outputs.rb
deleted file mode 100644
index 9c5f8a23f..000000000
--- a/db/migrate/20190720025341_add_ts_time_for_outputs.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTsTimeForOutputs < ActiveRecord::Migration[5.2]
-  def change
-    #add_column :outputs, :ts_time, :float
-  end
-end
diff --git a/db/migrate/20190720121537_add_is_md_for_messages.rb b/db/migrate/20190720121537_add_is_md_for_messages.rb
deleted file mode 100644
index a801fb387..000000000
--- a/db/migrate/20190720121537_add_is_md_for_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIsMdForMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :is_md, :boolean, :default => true
-  end
-end
diff --git a/db/migrate/20190720122123_modify_is_md_for_messages.rb b/db/migrate/20190720122123_modify_is_md_for_messages.rb
deleted file mode 100644
index 4137fc8af..000000000
--- a/db/migrate/20190720122123_modify_is_md_for_messages.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class ModifyIsMdForMessages < ActiveRecord::Migration[5.2]
-  def change
-    Message.find_each do |m|
-      m.update_column(:is_md, false)
-    end
-  end
-end
diff --git a/db/migrate/20190722062801_modify_answer_for_challenges.rb b/db/migrate/20190722062801_modify_answer_for_challenges.rb
deleted file mode 100644
index 747564d68..000000000
--- a/db/migrate/20190722062801_modify_answer_for_challenges.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class ModifyAnswerForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    challenges = Challenge.where("answer is not null or answer != ''")
-                     .includes(:challenge_answers).unscoped
-    challenges.find_each do |c|
-      next if c.challenge_answers.present?
-      puts("############challenge_id:##{c.id}")
-      ChallengeAnswer.create(name: "解题代码", contents: "#{c.answer}", level: 1, score: 100, challenge_id: c.id)
-    end
-  end
-end
diff --git a/db/migrate/20190723152256_delete_contents_is_null_for_challenge_answers.rb b/db/migrate/20190723152256_delete_contents_is_null_for_challenge_answers.rb
deleted file mode 100644
index a85152894..000000000
--- a/db/migrate/20190723152256_delete_contents_is_null_for_challenge_answers.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class DeleteContentsIsNullForChallengeAnswers < ActiveRecord::Migration[5.2]
-  def change
-    contents = ChallengeAnswer.where("contents = ''")
-    contents.delete_all
-  end
-end
diff --git a/db/migrate/20190724013024_modify_final_score_for_games.rb b/db/migrate/20190724013024_modify_final_score_for_games.rb
deleted file mode 100644
index e926cccd6..000000000
--- a/db/migrate/20190724013024_modify_final_score_for_games.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-class ModifyFinalScoreForGames < ActiveRecord::Migration[5.2]
-  def change
-    grades = Grade.where(container_type: "Answer")
-    grades.each do |grade|
-      g = Game.find_by_id(grade.container_id)
-      if g.present?
-        if g.status == 2 && g.answer_open > 0 && g.final_score <= 0 && g.end_time < grade.created_at
-          g.update_column(:final_score, g.challenge.score)
-        elsif g.final_score < 0
-          g.update_column(:final_score, 0)
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190726082937_add_is_md_for_homeworks.rb b/db/migrate/20190726082937_add_is_md_for_homeworks.rb
deleted file mode 100644
index 0b25dde97..000000000
--- a/db/migrate/20190726082937_add_is_md_for_homeworks.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class AddIsMdForHomeworks < ActiveRecord::Migration[5.2]
-  def change
-    # add_column :homework_commons, :is_md, :boolean, :default => true
-    # add_column :homework_banks, :is_md, :boolean, :default => true
-    #
-    #
-    # add_column :exercise_questions,:is_md, :boolean, :default => true
-    # add_column :poll_questions,:is_md, :boolean, :default => true
-    #
-    # add_column :exercise_bank_questions, :is_md, :boolean, :default => true
-  end
-end
diff --git a/db/migrate/20190726083814_migrate_course_is_md.rb b/db/migrate/20190726083814_migrate_course_is_md.rb
deleted file mode 100644
index 6988db14a..000000000
--- a/db/migrate/20190726083814_migrate_course_is_md.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class MigrateCourseIsMd < ActiveRecord::Migration[5.2]
-  def change
-    # HomeworkCommon.where(homework_type: [1, 3]).where("created_at < '2019-07-21 00:00:00'").update_all(is_md: false)
-    # HomeworkBank.where(homework_type: [1, 3]).where("created_at < '2019-07-21 00:00:00'").update_all(is_md: false)
-    #
-    # HomeworkCommon.where(homework_type: [1, 3]).where("created_at >= '2019-07-21 00:00:00' and homework_bank_id is not null").each do |homework|
-    #
-    # end
-    #
-    # ExerciseQuestion.where("created_at < '2019-07-21 00:00:00'").update_all(is_md: false)
-    # PollQuestion.where("created_at < '2019-07-21 00:00:00'").update_all(is_md: false)
-    # ExerciseBankQuestion.where("created_at < '2019-07-21 00:00:00'").update_all(is_md: false)
-  end
-end
diff --git a/db/migrate/20190729080935_modify_login_for_users.rb b/db/migrate/20190729080935_modify_login_for_users.rb
deleted file mode 100644
index 60e5e0964..000000000
--- a/db/migrate/20190729080935_modify_login_for_users.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class ModifyLoginForUsers < ActiveRecord::Migration[5.2]
-  def change
-    users = User.where("created_on > '2019-07-26 19:00:00'")
-    users.find_each do |use|
-      use.update_attributes(login: use.login&.strip, phone: use.phone&.strip)
-      use.user_extension.update_column(:student_id, use.user_extension&.student_id&.strip) if use.user_extension
-    end
-  end
-end
diff --git a/db/migrate/20190729095722_delete_error_myshixun_from_myshxiuns.rb b/db/migrate/20190729095722_delete_error_myshixun_from_myshxiuns.rb
deleted file mode 100644
index ef5b86975..000000000
--- a/db/migrate/20190729095722_delete_error_myshixun_from_myshxiuns.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class DeleteErrorMyshixunFromMyshxiuns < ActiveRecord::Migration[5.2]
-  def change
-    myshixuns = Myshixun.where("created_at > '2019-07-26 00:00:00' and repo_name is null")
-    myshixuns.find_each do |myshixun|
-      if myshixun.games.blank?
-        puts("###########user_login: #{User.find(myshixun.user_id).login}")
-        myshixun.destroy!
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190729122213_delete_myshixun_games_for_users.rb b/db/migrate/20190729122213_delete_myshixun_games_for_users.rb
deleted file mode 100644
index d52369828..000000000
--- a/db/migrate/20190729122213_delete_myshixun_games_for_users.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class DeleteMyshixunGamesForUsers < ActiveRecord::Migration[5.2]
-  def change
-    myshixuns = Myshixun.where("created_at > '2019-07-26 19:00:00' and repo_name is null")
-    myshixuns.find_each do |m|
-      if m.games.count == m.games.select{|g| g.status == 3}.count
-        puts("#######login: #{User.find(m.user_id).login}")
-        m.destroy!
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190801075337_add_praises_count_to_memos.rb b/db/migrate/20190801075337_add_praises_count_to_memos.rb
deleted file mode 100644
index 0cc2259e2..000000000
--- a/db/migrate/20190801075337_add_praises_count_to_memos.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class AddPraisesCountToMemos < ActiveRecord::Migration[5.2]
-  def change
-    add_column :memos, :praises_count, :integer, :default => 0
-
-    memos = Memo.includes(:praise_treads).all
-    memos.find_each do |m|
-      puts("####{m.id}")
-      praises_count = m.praise_treads.select{|pt| pt.praise_or_tread == 1}.count
-      m.update_column(:praises_count, praises_count)
-    end
-  end
-end
diff --git a/db/migrate/20190801084533_add_praises_count_to_libraries.rb b/db/migrate/20190801084533_add_praises_count_to_libraries.rb
deleted file mode 100644
index b773cf918..000000000
--- a/db/migrate/20190801084533_add_praises_count_to_libraries.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddPraisesCountToLibraries < ActiveRecord::Migration[5.2]
-  def change
-    # add_column :libraries, :praises_count, :integer, :default => 0
-    #
-    # Library.find_each do |library|
-    #   praises_count = library.praise_treads.count
-    #   library.update_column(:praises_count, praises_count)
-    # end
-  end
-end
diff --git a/db/migrate/20190802105008_tranfer_tiding_data.rb b/db/migrate/20190802105008_tranfer_tiding_data.rb
deleted file mode 100644
index ef7682530..000000000
--- a/db/migrate/20190802105008_tranfer_tiding_data.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class TranferTidingData < ActiveRecord::Migration[5.2]
-  def change
-    Tiding.where(container_type: 'ApplyAddSchool').update_all(container_type: 'ApplyAddSchools')
-  end
-end
diff --git a/db/migrate/20190805004505_sync_index_to_users.rb b/db/migrate/20190805004505_sync_index_to_users.rb
deleted file mode 100644
index 33adca30c..000000000
--- a/db/migrate/20190805004505_sync_index_to_users.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class SyncIndexToUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_index :users, :login, unique: true
-    add_index :users, :mail, unique: true
-    add_index :users, :phone, unique: true
-  end
-end
diff --git a/db/migrate/20190805010562_modify_ke_contents_for_markdown.rb b/db/migrate/20190805010562_modify_ke_contents_for_markdown.rb
deleted file mode 100644
index 958b70448..000000000
--- a/db/migrate/20190805010562_modify_ke_contents_for_markdown.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-class ModifyKeContentsForMarkdown < ActiveRecord::Migration[5.2]
-  include ActionView::Helpers::SanitizeHelper
-  def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub(" ", "").gsub(/(\n)+/, "<br />")
-    #       .gsub("\t", "").gsub("\n", "").gsub("    ", "&nbsp;&nbsp;&nbsp;&nbsp;").gsub(/(<br\s?\/?>)+/, "<br />")
-    #   s_contents.gsub("\n", "<br />").gsub(/(<br\s?\/?>)+/, "<br />")
-    # end
-    #
-    # # 课程讨论区
-    # MessageDetail.find_each do |m|
-    #   content = ke_transform_to_md m.content
-    #   m.update_column(:content, content)
-    # end
-
-    #试卷的标题
-    # ExerciseQuestion.where(:exercise_id => 1892).find_each do |eq|
-    #   puts("#eq.question_title: #{eq.question_title}")
-    #   question_title = ke_transform_to_md eq.question_title
-    #   puts("#question_title: #{question_title}")
-    #   eq.update_column(:question_title, question_title)
-    # end
-
-    # # 试卷的答案
-    # ExerciseStandardAnswer.find_each do |esa|
-    #   answer_text = ke_transform_to_md esa.answer_text
-    #   esa.update_column(:answer_text, answer_text)
-    # end
-    #
-    # 试卷题库的问题标题
-    # ExerciseBankQuestion.find_each do |ebq|
-    #   question_title = ke_transform_to_md ebq.question_title
-    #   ebq.update_column(:question_title, question_title)
-    # end
-    #
-    # # 试卷答案
-    # ExerciseBankStandardAnswer.find_each do |ebsa|
-    #   answer_text = ke_transform_to_md ebsa.answer_text
-    #   ebsa.update_column(:answer_text, answer_text)
-    # end
-
-    # # 问卷的标题
-    # PollQuestion.find_each do |pq|
-    #   question_title = ke_transform_to_md pq.question_title
-    #   pq.update_column(:question_title, question_title)
-    # end
-
-  end
-end
diff --git a/db/migrate/20190805014624_migrate_anonymous_tiding_type.rb b/db/migrate/20190805014624_migrate_anonymous_tiding_type.rb
deleted file mode 100644
index cd45ec196..000000000
--- a/db/migrate/20190805014624_migrate_anonymous_tiding_type.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class MigrateAnonymousTidingType < ActiveRecord::Migration[5.2]
-  def change
-    Tiding.where(container_type: "StudentWorksScore", extra: "3").update_all(tiding_type: "System", trigger_user_id: 0)
-    Tiding.where(container_type: "StudentWorksScoresAppeal", parent_container_type: "StudentWork", tiding_type: "HomeworkCommon").update_all(tiding_type: "System", trigger_user_id: 0)
-  end
-end
diff --git a/db/migrate/20190805061306_add_exec_time_to_evaluate_records.rb b/db/migrate/20190805061306_add_exec_time_to_evaluate_records.rb
deleted file mode 100644
index 95edeb7d5..000000000
--- a/db/migrate/20190805061306_add_exec_time_to_evaluate_records.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddExecTimeToEvaluateRecords < ActiveRecord::Migration[5.2]
-  def change
-    # remove_columns :evaluate_records, :exec_time if EvaluateRecord.first.attributes.include?("exec_time")
-    #
-    # add_column :evaluate_records, :exec_time, :integer
-  end
-end
diff --git a/db/migrate/20190806062209_second_mofidy_ke_contents_for_md.rb b/db/migrate/20190806062209_second_mofidy_ke_contents_for_md.rb
deleted file mode 100644
index c8068e049..000000000
--- a/db/migrate/20190806062209_second_mofidy_ke_contents_for_md.rb
+++ /dev/null
@@ -1,64 +0,0 @@
-class SecondMofidyKeContentsForMd < ActiveRecord::Migration[5.2]
-  include ActionView::Helpers::SanitizeHelper
-  def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub(" ", "&nbsp;").gsub(/(\n)+/, "<br />")
-    #       .gsub("\t", "&nbsp;&nbsp;&nbsp;&nbsp;").gsub("\n", "").gsub(" ", "&nbsp;").gsub(/(<br\s?\/?>)+/, "<br />")
-    #
-    # end
-    #
-    # # 作业
-    # HomeworkCommon.find_each do |hc|
-    #   description = ke_transform_to_md hc.description
-    #   reference_answer = ke_transform_to_md hc.reference_answer
-    #   explanation = ke_transform_to_md hc.explanation
-    #   hc.update_attributes(description: description, reference_answer: reference_answer, explanation: explanation)
-    # end
-    #
-    # # 作业题库
-    # HomeworkBank.find_each do |hb|
-    #   description = ke_transform_to_md hb.description
-    #   reference_answer = ke_transform_to_md hb.reference_answer
-    #   hb.update_attributes(description: description, reference_answer: reference_answer)
-    # end
-    #
-    # # 毕业任务
-    # GraduationTask.find_each do |gt|
-    #   description = ke_transform_to_md gt.description
-    #   gt.update_column(:description, description)
-    # end
-    #
-    # # 毕设选题
-    # GraduationTopic.find_each do |gt|
-    #   description = ke_transform_to_md gt.description
-    #   gt.update_column(:description, description)
-    # end
-    #
-    # # 毕设作品
-    # GraduationWork.find_each do |gw|
-    #   description = ke_transform_to_md gw.description
-    #   gw.update_column(:description, description)
-    # end
-    #
-    # # 毕设任务题库
-    # GtaskBank.find_each do |gb|
-    #   description = ke_transform_to_md gb.description
-    #   gb.update_column(:description, description)
-    # end
-    #
-    # # 毕设选题题库
-    # GtopicBank.find_each do |gb|
-    #   description = ke_transform_to_md gb.description
-    #   gb.update_column(:description, description)
-    # end
-    #
-    # # 交流问答
-    # Memo.find_each do |m|
-    #   content = ke_transform_to_md m.content
-    #   m.update_column(:content, content)
-    # end
-
-  end
-end
diff --git a/db/migrate/20190806063903_third_modify_ke_for_student_work.rb b/db/migrate/20190806063903_third_modify_ke_for_student_work.rb
deleted file mode 100644
index 0b1be8d00..000000000
--- a/db/migrate/20190806063903_third_modify_ke_for_student_work.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class ThirdModifyKeForStudentWork < ActiveRecord::Migration[5.2]
-  include ActionView::Helpers::SanitizeHelper
-  def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub(" ", "&nbsp;").gsub(/(\n)+/, "<br />")
-    #       .gsub("\t", "&nbsp;&nbsp;&nbsp;&nbsp;").gsub("\n", "").gsub(" ", "&nbsp;").gsub(/(<br\s?\/?>)+/, "<br />")
-    # end
-    #
-    # # 学生的作品 过滤掉一些描述的ke图片的作品
-    # StudentWork.where("description is not null and LENGTH(description) < 1000000").find_each do |sw|
-    #     description  = ke_transform_to_md sw.description
-    #     sw.update_column(:description, description)
-    # end
-  end
-end
diff --git a/db/migrate/20190808025851_create_videos.rb b/db/migrate/20190808025851_create_videos.rb
deleted file mode 100644
index e7d89f7eb..000000000
--- a/db/migrate/20190808025851_create_videos.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-class CreateVideos < ActiveRecord::Migration[5.2]
-  def change
-    create_table :videos do |t|
-      t.references :user, index: true, type: :integer
-      t.string :title
-      t.string :uuid, comment: 'Aliyun媒体ID'
-      t.string :cover_url, comment: '视频封面'
-      t.string :file_url, comment: '视频地址'
-
-      t.string :status
-      t.string :vod_status, comment: 'Aliyun媒体状态'
-
-      t.datetime :published_at, index: true
-
-      t.timestamps
-
-      t.index :uuid, unique: true
-    end
-  end
-end
diff --git a/db/migrate/20190809010636_create_video_applies.rb b/db/migrate/20190809010636_create_video_applies.rb
deleted file mode 100644
index e8b4037c5..000000000
--- a/db/migrate/20190809010636_create_video_applies.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateVideoApplies < ActiveRecord::Migration[5.2]
-  def change
-    create_table :video_applies do |t|
-      t.references :video, index: true, type: :integer
-      t.string :status
-      t.string :reason
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190813015633_add_new_column_to_course.rb b/db/migrate/20190813015633_add_new_column_to_course.rb
deleted file mode 100644
index cfadc4ce4..000000000
--- a/db/migrate/20190813015633_add_new_column_to_course.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class AddNewColumnToCourse < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :start_date, :date
-    add_column :courses, :subject_id, :integer, default: 0
-
-    add_index :courses, :subject_id
-  end
-end
diff --git a/db/migrate/20190813074730_add_excellent_to_courses.rb b/db/migrate/20190813074730_add_excellent_to_courses.rb
deleted file mode 100644
index c83fcc702..000000000
--- a/db/migrate/20190813074730_add_excellent_to_courses.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddExcellentToCourses < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :excellent, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190815064542_modify_class_period_for_courses.rb b/db/migrate/20190815064542_modify_class_period_for_courses.rb
deleted file mode 100644
index c0f8600b4..000000000
--- a/db/migrate/20190815064542_modify_class_period_for_courses.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class ModifyClassPeriodForCourses < ActiveRecord::Migration[5.2]
-  def change
-    Course.find_each do |c|
-      c.update_column(:class_period, c.class_period.to_i)
-    end
-    change_column :courses, :class_period, :integer
-  end
-end
diff --git a/db/migrate/20190815085136_modify_path_for_challenges.rb b/db/migrate/20190815085136_modify_path_for_challenges.rb
deleted file mode 100644
index a17fdbd04..000000000
--- a/db/migrate/20190815085136_modify_path_for_challenges.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ModifyPathForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    change_column :challenges, :path, :text
-  end
-end
diff --git a/db/migrate/20190819081514_add_filesize_to_videos.rb b/db/migrate/20190819081514_add_filesize_to_videos.rb
deleted file mode 100644
index da5b6fb50..000000000
--- a/db/migrate/20190819081514_add_filesize_to_videos.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddFilesizeToVideos < ActiveRecord::Migration[5.2]
-  def change
-    add_column :videos, :filesize, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190820021047_migrate_course_task_position.rb b/db/migrate/20190820021047_migrate_course_task_position.rb
deleted file mode 100644
index f32ac88b1..000000000
--- a/db/migrate/20190820021047_migrate_course_task_position.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateCourseTaskPosition < ActiveRecord::Migration[5.2]
-  def change
-    add_column :homework_commons, :position, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190820102040_change_exercise_1930_position.rb b/db/migrate/20190820102040_change_exercise_1930_position.rb
deleted file mode 100644
index acf99b9e5..000000000
--- a/db/migrate/20190820102040_change_exercise_1930_position.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-class ChangeExercise1930Position < ActiveRecord::Migration[5.2]
-  def change
-    exs = Exercise.all.includes(:exercise_questions)
-    exs.each do |ex|
-      ex_questions = ex&.exercise_questions&.select(:id,:question_number,:exercise_id)&.order("question_number ASC")  #试卷的位置迁移
-      if ex_questions.present?
-        ex_questions.each_with_index do |q,index|
-          puts index
-          q_num = index + 1
-          if q.question_number.to_i != q_num
-            q.update_attributes(question_number: q_num)
-          end
-        end
-      end
-
-      ex_q_bank = ex&.exercise_bank&.exercise_bank_questions&.select(:id,:question_number,:exercise_bank_id,:shixun_id)&.order("question_number ASC") #试卷的习题库位置迁移
-      if ex_q_bank.present?
-        ex_q_bank.each_with_index do |q,index|
-          puts index
-          q_num_1 = index + 1
-          if q.question_number.to_i != q_num_1
-            q.update_attributes(question_number: q_num_1)
-          end
-        end
-      end
-    end
-
-  end
-end
diff --git a/db/migrate/20190821054352_create_open_users.rb b/db/migrate/20190821054352_create_open_users.rb
deleted file mode 100644
index f8e0aba4b..000000000
--- a/db/migrate/20190821054352_create_open_users.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class CreateOpenUsers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :open_users do |t|
-      t.references :user
-
-      t.string :type
-      t.string :uid
-
-      t.timestamps
-
-      t.index [:type, :uid], unique: true
-    end
-  end
-end
diff --git a/db/migrate/20190821072722_migrate_course_shixun_homework_position.rb b/db/migrate/20190821072722_migrate_course_shixun_homework_position.rb
deleted file mode 100644
index 9a19b12e3..000000000
--- a/db/migrate/20190821072722_migrate_course_shixun_homework_position.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class MigrateCourseShixunHomeworkPosition < ActiveRecord::Migration[5.2]
-  def change
-    Course.find_each do |course|
-      puts course.id
-      course.practice_homeworks.order("IF(ISNULL(homework_commons.publish_time),0,1), homework_commons.publish_time DESC,
-                                                  homework_commons.created_at DESC").reverse.each_with_index do |homework, index|
-        homework.update_columns(position: index + 1)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190822022306_add_exercise_user_update.rb b/db/migrate/20190822022306_add_exercise_user_update.rb
deleted file mode 100644
index 7a8784c30..000000000
--- a/db/migrate/20190822022306_add_exercise_user_update.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-class AddExerciseUserUpdate < ActiveRecord::Migration[5.2]
-
-  # include ExercisesHelper
-  # def change
-  #   #2019,8,22添加
-  #   two_months = Time.now - 2.months
-  #   exs = Exercise.all.is_exercise_published.where("publish_time > ?",two_months).includes(:exercise_questions,:exercise_users)
-  #   exs.each do |ex|
-  #     if ex.exercise_questions.where("created_at < ?",Time.now - 1.month).pluck(:question_type).include?(1)  #含有多选题,且是1个月前创建的才更新
-  #       ex_users = ex.exercise_users.exercise_user_committed.where("end_at is not null and end_at > ?",two_months)
-  #       if ex_users.exists?
-  #         ex_users.each do |ex_user|
-  #           calculate_score = calculate_student_score(ex,ex_user.user)[:total_score]
-  #           subjective_score = ex_user.subjective_score
-  #           total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-  #           total_score = calculate_score + total_score_subjective_score
-  #           ex_user.update_attributes(score:total_score,objective_score:calculate_score)
-  #           puts ex_user.id
-  #         end
-  #       end
-  #     end
-  #   end
-  #
-  #   #1936的试卷成绩有问题。
-  #   # #https://www.educoder.net/courses/2935/exercises/1936/users/pizfnr5ts
-  #   ex_special = Exercise.find_by_id(1936)
-  #   ex_special_users = ex_special.exercise_users.exercise_user_committed.where("end_at is not null and end_at > ?",two_months)
-  #   if ex_special.present? && ex_special_users.exists?
-  #     ex_special_users.each do |ex_user|
-  #       calculate_score = calculate_student_score(ex_special,ex_user.user)[:total_score]
-  #       subjective_score = ex_user.subjective_score
-  #       total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-  #       total_score = calculate_score + total_score_subjective_score
-  #       ex_user.update_attributes(score:total_score,objective_score:calculate_score)
-  #       puts ex_user.id
-  #     end
-  #   end
-  # end
-end
diff --git a/db/migrate/20190823015610_add_message_count_for_boards.rb b/db/migrate/20190823015610_add_message_count_for_boards.rb
deleted file mode 100644
index 6f121cfc0..000000000
--- a/db/migrate/20190823015610_add_message_count_for_boards.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddMessageCountForBoards < ActiveRecord::Migration[5.2]
-  def change
-    boards = Board.where(:parent_id => 0)
-    Board.reset_column_information
-    boards.find_each do |board|
-      Board.reset_counters board.id, :messages
-    end
-  end
-end
diff --git a/db/migrate/20190823024643_modify_course_introduction_for_boards.rb b/db/migrate/20190823024643_modify_course_introduction_for_boards.rb
deleted file mode 100644
index 3dfcf09f8..000000000
--- a/db/migrate/20190823024643_modify_course_introduction_for_boards.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-class ModifyCourseIntroductionForBoards < ActiveRecord::Migration[5.2]
-  def change
-    platform = PlatformSample.where(:samples_type => "courseGuide").first
-    content = '大家好！
-
-欢迎进入在线课堂！
-
-该课堂对应于一个或多个线下班级，课堂成员可以利用老师发布的邀请码申请加入。
-
-在这里，老师和教辅将结合教学内容，把不同类型的实训项目发布给大家，让大家在真实的实战环境中得到锻炼。
-
-那么什么是实训项目呢？大家有空自己尝试一下就知道了：
-
-- Python实训：[Python程序设计入门](https://www.educoder.net/paths/13)   |  [大学计算机基础——基于Python](https://www.educoder.net/paths/11)
-
-- Java实训：[Java语言程序设计（基础篇）](https://www.educoder.net/paths/38)
-
-- C/C++实训：[C/C++程序设计](https://www.educoder.net/paths/3)  |  [数据结构与算法（C语言）](https://www.educoder.net/paths/4)
-
-- Matlab实训：[智取MATLAB：基本语法](https://www.educoder.net/shixuns/7bvs54gw/challenges)  |  [控制结构](https://www.educoder.net/shixuns/q4fowkfa/challenges)  |  [矩阵进阶](https://www.educoder.net/shixuns/grunzcs3/challenges)
-
-- HTML/CSS实训：[HTML5+CSS3网页制作（基础篇）](https://www.educoder.net/paths/15)
-
-- 云计算实训：[Docker企业级实训（基础篇）](https://www.educoder.net/paths/29)
-
-... ... 等等
-
-你们现在就可以去体验哦！
-
-欢迎提出宝贵建议，平台一定会给您带来更多惊喜！
-
-
-支持团队'
-    platform.update_column(:contents, content)
-    messages = Message.where(subject: "新课导语")
-    messages.find_each do |m|
-      m.update_column(:is_md, true)
-      message_detail = m.message_detail
-      message_detail.update_column(:content, content) if message_detail
-    end
-  end
-end
diff --git a/db/migrate/20190823063747_modify_contents_for_old_message_details.rb b/db/migrate/20190823063747_modify_contents_for_old_message_details.rb
deleted file mode 100644
index 4607881fe..000000000
--- a/db/migrate/20190823063747_modify_contents_for_old_message_details.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class ModifyContentsForOldMessageDetails < ActiveRecord::Migration[5.2]
-  def change
-    messages = Message.where(subject: "新课导语").where.not(parent_id: 0).where("created_on < '2019-08-23 02:00:00'")
-    messages.find_each do |m|
-      m.update_column(:is_md, true)
-      message_detail = m.message_detail
-      if message_detail
-        content = OldMessageDetail.find_by_id(message_detail.id)&.content
-        message_detail.update_column(:content, content)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190823090957_rechange_exercise_1936_scores.rb b/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
deleted file mode 100644
index f089714ee..000000000
--- a/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-class RechangeExercise1936Scores < ActiveRecord::Migration[5.2]
-  include ExercisesHelper
-  def change
-    #1936的试卷成绩有问题。
-    # #https://www.educoder.net/courses/2935/exercises/1936/users/pizfnr5ts
-    ex_special = Exercise.find_by_id(1936)
-    ex_special_users = ex_special&.exercise_users&.exercise_user_committed&.where("end_at is not null and end_at > ?",Time.now - 2.months)
-    if ex_special.present? && ex_special_users.exists?
-      ex_special_users.each do |ex_user|
-        calculate_score = calculate_student_score(ex_special,ex_user.user)[:total_score]
-        subjective_score = ex_user.subjective_score
-        total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-        total_score = calculate_score + total_score_subjective_score
-        ex_user.update_attributes(score:total_score,objective_score:calculate_score)
-        puts ex_user.id
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190824032658_migrate_subject_shixun_count.rb b/db/migrate/20190824032658_migrate_subject_shixun_count.rb
deleted file mode 100644
index bef29346e..000000000
--- a/db/migrate/20190824032658_migrate_subject_shixun_count.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class MigrateSubjectShixunCount < ActiveRecord::Migration[5.2]
-  def change
-    Subject.reset_column_information
-    Subject.all.each do |subject|
-      Subject.reset_counters subject.id, :stage_shixuns
-      Subject.reset_counters subject.id, :shixuns
-    end
-  end
-end
diff --git a/db/migrate/20190827055814_modify_challnege_score_for_choose.rb b/db/migrate/20190827055814_modify_challnege_score_for_choose.rb
deleted file mode 100644
index 7b96877e3..000000000
--- a/db/migrate/20190827055814_modify_challnege_score_for_choose.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class ModifyChallnegeScoreForChoose < ActiveRecord::Migration[5.2]
-  def change
-    challenges = Challenge.where(st: 1)
-    challenges.find_each do |c|
-      puts(c.id)
-      score = c.challenge_chooses.sum(:score)
-      c.update_column(:score, score)
-    end
-  end
-end
diff --git a/db/migrate/20190828011222_add_update_user_id_to_student_works.rb b/db/migrate/20190828011222_add_update_user_id_to_student_works.rb
deleted file mode 100644
index c8e007998..000000000
--- a/db/migrate/20190828011222_add_update_user_id_to_student_works.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddUpdateUserIdToStudentWorks < ActiveRecord::Migration[5.2]
-  def change
-    add_column :student_works, :update_user_id, :integer
-    StudentWork.update_all("update_user_id = commit_user_id")
-  end
-end
diff --git a/db/migrate/20190828055710_add_is_ordered_to_exercise_bank_question.rb b/db/migrate/20190828055710_add_is_ordered_to_exercise_bank_question.rb
deleted file mode 100644
index 967d89e5f..000000000
--- a/db/migrate/20190828055710_add_is_ordered_to_exercise_bank_question.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIsOrderedToExerciseBankQuestion < ActiveRecord::Migration[5.2]
-  def change
-    add_column :exercise_bank_questions, :is_ordered, :boolean, :default => true
-  end
-end
diff --git a/db/migrate/20190829025855_migrate_gtopic_bank_is_public.rb b/db/migrate/20190829025855_migrate_gtopic_bank_is_public.rb
deleted file mode 100644
index c267284a0..000000000
--- a/db/migrate/20190829025855_migrate_gtopic_bank_is_public.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateGtopicBankIsPublic < ActiveRecord::Migration[5.2]
-  def change
-    change_column :gtopic_banks, :is_public, :boolean, default: 0
-  end
-end
diff --git a/db/migrate/20190829084147_migrate_course_group_position.rb b/db/migrate/20190829084147_migrate_course_group_position.rb
deleted file mode 100644
index 3a71baae4..000000000
--- a/db/migrate/20190829084147_migrate_course_group_position.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class MigrateCourseGroupPosition < ActiveRecord::Migration[5.2]
-  def change
-    Course.all.each do |course|
-      if course.course_groups.exists?(position: 0)
-        course.course_groups.each_with_index do |group, index|
-          group.update_attributes(position: index+1)
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190830064803_add_announcement_to_course_modules.rb b/db/migrate/20190830064803_add_announcement_to_course_modules.rb
deleted file mode 100644
index 5f4d1eeb9..000000000
--- a/db/migrate/20190830064803_add_announcement_to_course_modules.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class AddAnnouncementToCourseModules < ActiveRecord::Migration[5.2]
-  def change
-    Course.all.each do |course|
-      unless course.course_modules.exists?(module_type: "announcement")
-        course.course_modules.where.not(module_type: "activity").update_all("position = position + 1")
-        course.course_modules << CourseModule.new(module_type: "announcement", hidden: 1, module_name: "公告栏", position: 2)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190830082934_add_tag_to_libraries.rb b/db/migrate/20190830082934_add_tag_to_libraries.rb
deleted file mode 100644
index ea40cda5d..000000000
--- a/db/migrate/20190830082934_add_tag_to_libraries.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTagToLibraries < ActiveRecord::Migration[5.2]
-  def change
-    execute "insert into library_tags(name) values('企业案例')"
-  end
-end
diff --git a/db/migrate/20190831014325_migrate_poll_bank_question.rb b/db/migrate/20190831014325_migrate_poll_bank_question.rb
deleted file mode 100644
index cd9168a73..000000000
--- a/db/migrate/20190831014325_migrate_poll_bank_question.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class MigratePollBankQuestion < ActiveRecord::Migration[5.2]
-  def change
-    ExerciseBankQuestion.where(question_type: 0, exercise_bank_id: ExerciseBank.where(container_type: 'Poll').pluck(:id)).update_all(question_type: 1)
-    ExerciseBankQuestion.where(question_type: 1, exercise_bank_id: ExerciseBank.where(container_type: 'Poll').pluck(:id)).update_all(question_type: 2)
-  end
-end
diff --git a/db/migrate/20190902062449_migrate_excellent_course_course_list.rb b/db/migrate/20190902062449_migrate_excellent_course_course_list.rb
deleted file mode 100644
index a93db7695..000000000
--- a/db/migrate/20190902062449_migrate_excellent_course_course_list.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class MigrateExcellentCourseCourseList < ActiveRecord::Migration[5.2]
-  def change
-    courses = Course.where(excellent: true)
-    courses.each do |course|
-      if !course.course_list.present? && course.subject
-        subject = course.subject
-        course_list = CourseList.find_by(name: subject.name) || CourseList.create!(name: subject.name, user_id: course.tea_id, is_admin: 0)
-        course.update_attributes(course_list_id: course_list.id)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190903022313_add_graduation_work_id_to_group_assignations.rb b/db/migrate/20190903022313_add_graduation_work_id_to_group_assignations.rb
deleted file mode 100644
index e1db275fb..000000000
--- a/db/migrate/20190903022313_add_graduation_work_id_to_group_assignations.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddGraduationWorkIdToGroupAssignations < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_task_group_assignations, :graduation_work_id, :integer, default: 0
-
-    add_index :graduation_task_group_assignations, :graduation_work_id
-  end
-end
diff --git a/db/migrate/20190903025159_add_temporary_to_graduation.rb b/db/migrate/20190903025159_add_temporary_to_graduation.rb
deleted file mode 100644
index adf7e1aa3..000000000
--- a/db/migrate/20190903025159_add_temporary_to_graduation.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddTemporaryToGraduation < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_task_group_assignations, :temporary, :integer, default: 0
-    add_column :graduation_work_comment_assignations, :temporary, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20190905070518_reorder_coo_img_position.rb b/db/migrate/20190905070518_reorder_coo_img_position.rb
deleted file mode 100644
index 1aa8a6842..000000000
--- a/db/migrate/20190905070518_reorder_coo_img_position.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class ReorderCooImgPosition < ActiveRecord::Migration[5.2]
-  def change
-    CooImg.all.group_by(&:img_type).each do |_type, objs|
-      objs.sort_by(&:position).each_with_index do |obj, index|
-        obj.update!(position: index + 1)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190905070821_change_public_model_default_value.rb b/db/migrate/20190905070821_change_public_model_default_value.rb
deleted file mode 100644
index 09d4af61a..000000000
--- a/db/migrate/20190905070821_change_public_model_default_value.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-class ChangePublicModelDefaultValue < ActiveRecord::Migration[5.2]
-  def change
-    #试卷的默认值的修改
-    change_column_default :exercises,:show_result,0
-    change_column_default :exercises, :answer_open, false
-    change_column_default :exercises, :score_open, false
-
-    #问卷的默认值的修改
-    change_column_default :polls, :show_result, 0
-
-    #实训作业/普通作业/分组作业
-    change_column_default :homework_commons, :score_open, false
-    change_column_default :homework_commons, :work_public, false
-    change_column_default :homework_commons, :answer_public, false
-
-    #毕设任务
-    change_column_default :graduation_tasks, :open_score, false
-    change_column_default :graduation_tasks, :open_work, false
-  end
-end
diff --git a/db/migrate/20190906062930_modify_is_test_for_user.rb b/db/migrate/20190906062930_modify_is_test_for_user.rb
deleted file mode 100644
index f3f5bfd3b..000000000
--- a/db/migrate/20190906062930_modify_is_test_for_user.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ModifyIsTestForUser < ActiveRecord::Migration[5.2]
-  def change
-    change_column :users, :is_test, :integer, :limit => 1
-  end
-end
diff --git a/db/migrate/20190906111746_gtopic_bank_is_public.rb b/db/migrate/20190906111746_gtopic_bank_is_public.rb
deleted file mode 100644
index 193824dc4..000000000
--- a/db/migrate/20190906111746_gtopic_bank_is_public.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class GtopicBankIsPublic < ActiveRecord::Migration[5.2]
-  def change
-    GtopicBank.where(is_public: nil).update_all(is_public: 0)
-  end
-end
diff --git a/db/migrate/20190907014649_add_vnc_evaluate_for_shixuns.rb b/db/migrate/20190907014649_add_vnc_evaluate_for_shixuns.rb
deleted file mode 100644
index 861c4501e..000000000
--- a/db/migrate/20190907014649_add_vnc_evaluate_for_shixuns.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddVncEvaluateForShixuns < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :vnc_evaluate, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190907021100_migrate_bank_reference_id.rb b/db/migrate/20190907021100_migrate_bank_reference_id.rb
deleted file mode 100644
index c71034167..000000000
--- a/db/migrate/20190907021100_migrate_bank_reference_id.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-class MigrateBankReferenceId < ActiveRecord::Migration[5.2]
-  def change
-    HomeworkBank.all.each do |bank|
-      if bank.homework_common
-        bank.homework_common.update_column("homework_bank_id", bank.id) if bank.homework_common.homework_bank_id.nil?
-      end
-    end
-
-    GtopicBank.all.each do |bank|
-      if bank.graduation_topic
-        bank.graduation_topic.update_column("gtopic_bank_id", bank.id) if bank.graduation_topic.gtopic_bank_id.nil?
-      end
-    end
-
-    GtaskBank.all.each do |bank|
-      if bank.graduation_task
-        bank.graduation_task.update_column("gtask_bank_id", bank.id) if bank.graduation_task.gtask_bank_id.nil?
-      end
-    end
-
-    ExerciseBank.all.each do |bank|
-      if bank.container_type == 'Exercise'
-        exercise = Exercise.find_by(id: bank.container_id)
-        exercise.update_column("exercise_bank_id", bank.id) if exercise && exercise.exercise_bank_id.nil?
-      elsif bank.container_type == 'Poll'
-        poll = Poll.find_by(id: bank.container_id)
-        poll.update_column("exercise_bank_id", bank.id) if poll && poll.exercise_bank_id.nil?
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190907061918_migrate_bank_quotes.rb b/db/migrate/20190907061918_migrate_bank_quotes.rb
deleted file mode 100644
index 9f278860d..000000000
--- a/db/migrate/20190907061918_migrate_bank_quotes.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-class MigrateBankQuotes < ActiveRecord::Migration[5.2]
-  def change
-    HomeworkBank.all.each do |bank|
-      task_count = bank.homework_commons.count
-      bank.update_column("quotes", task_count == 0 ? 1 : task_count)
-    end
-
-    GtopicBank.all.each do |bank|
-      task_count = bank.graduation_topics.count
-      bank.update_column("quotes", task_count == 0 ? 1 : task_count)
-    end
-
-    GtaskBank.all.each do |bank|
-      task_count = bank.graduation_tasks.count
-      bank.update_column("quotes", task_count == 0 ? 1 : task_count)
-    end
-
-    ExerciseBank.all.each do |bank|
-      if bank.container_type == 'Exercise'
-        task_count = bank.exercises.count
-        bank.update_column("quotes", task_count == 0 ? 1 : task_count)
-      elsif bank.container_type == 'Poll'
-        task_count = bank.polls.count
-        bank.update_column("quotes", task_count == 0 ? 1 : task_count)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190909061930_create_shixun_secret_repositories.rb b/db/migrate/20190909061930_create_shixun_secret_repositories.rb
deleted file mode 100644
index 5526869f8..000000000
--- a/db/migrate/20190909061930_create_shixun_secret_repositories.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateShixunSecretRepositories < ActiveRecord::Migration[5.2]
-  def change
-    create_table :shixun_secret_repositories do |t|
-      t.references :shixun
-      t.string :repo_name
-      t.string :secret_dir_path
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190909072626_add_match_rule_for_test_sets.rb b/db/migrate/20190909072626_add_match_rule_for_test_sets.rb
deleted file mode 100644
index 2d9d53f0f..000000000
--- a/db/migrate/20190909072626_add_match_rule_for_test_sets.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddMatchRuleForTestSets < ActiveRecord::Migration[5.2]
-  def change
-    add_column :test_sets, :match_rule, :string
-    TestSet.update_all(match_rule: 'full')
-
-  end
-end
diff --git a/db/migrate/20190909080508_create_shixun_work_comments.rb b/db/migrate/20190909080508_create_shixun_work_comments.rb
deleted file mode 100644
index eb21f0d04..000000000
--- a/db/migrate/20190909080508_create_shixun_work_comments.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateShixunWorkComments < ActiveRecord::Migration[5.2]
-  def change
-    create_table :shixun_work_comments do |t|
-      t.references :student_work, index: true, type: :integer
-      t.references :challenge, index: true, type: :integer, default: 0
-      t.references :user, index: true, type: :integer
-      t.text :comment
-      t.text :hidden_comment
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190909082555_migrate_shixun_work_comment.rb b/db/migrate/20190909082555_migrate_shixun_work_comment.rb
deleted file mode 100644
index f58531b80..000000000
--- a/db/migrate/20190909082555_migrate_shixun_work_comment.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class MigrateShixunWorkComment < ActiveRecord::Migration[5.2]
-  def change
-    StudentWorksScore.where(is_ultimate: 0, score: nil).where("created_at > '2019-09-04 00:00:00'").each do |work_score|
-      if work_score.student_work && work_score.student_work.homework_common&.shixuns
-        if work_score.is_hidden
-          ShixunWorkComment.create!(student_work_id: work_score.student_work_id, user_id: work_score.user_id, hidden_comment: work_score.comment)
-        else
-          ShixunWorkComment.create!(student_work_id: work_score.student_work_id, user_id: work_score.user_id, comment: work_score.comment)
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190910061807_create_course_stages.rb b/db/migrate/20190910061807_create_course_stages.rb
deleted file mode 100644
index c664b7f92..000000000
--- a/db/migrate/20190910061807_create_course_stages.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateCourseStages < ActiveRecord::Migration[5.2]
-  def change
-    create_table :course_stages do |t|
-      t.references :course, index: true
-      t.string :name
-      t.text :description
-      t.integer :position
-      t.integer :shixuns_count
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190910062710_create_course_stage_shixuns.rb b/db/migrate/20190910062710_create_course_stage_shixuns.rb
deleted file mode 100644
index 04512c7da..000000000
--- a/db/migrate/20190910062710_create_course_stage_shixuns.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateCourseStageShixuns < ActiveRecord::Migration[5.2]
-  def change
-    create_table :course_stage_shixuns do |t|
-      t.references :course, index: true
-      t.references :course_stage, index: true
-      t.references :shixun, index: true
-      t.integer :position
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190910063345_migrate_course_stages.rb b/db/migrate/20190910063345_migrate_course_stages.rb
deleted file mode 100644
index 0aae05103..000000000
--- a/db/migrate/20190910063345_migrate_course_stages.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class MigrateCourseStages < ActiveRecord::Migration[5.2]
-  def change
-    Course.where(excellent: 1).each do |course|
-      if course.subject
-        course.subject.stages.each do |stage|
-          new_stage = CourseStage.create!(course_id: course.id, name: stage.name, description: stage.description, position: stage.position)
-          stage.stage_shixuns.each do |stage_shixun|
-            CourseStageShixun.create!(course_id: course.id, course_stage_id: new_stage.id, shixun_id: stage_shixun.shixun_id, position: stage_shixun.position)
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190911020749_migrate_shixun_student_work.rb b/db/migrate/20190911020749_migrate_shixun_student_work.rb
deleted file mode 100644
index 54474c544..000000000
--- a/db/migrate/20190911020749_migrate_shixun_student_work.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-class MigrateShixunStudentWork < ActiveRecord::Migration[5.2]
-  def change
-    homework_commons = HomeworkCommon.where(homework_type: 4).where("created_at > '2019-07-01 00:00:00'")
-    attrs = %i[homework_common_id user_id created_at updated_at]
-    StudentWork.bulk_insert(*attrs) do |worker|
-      homework_commons.each do |homework|
-        course = homework.course
-        if course && homework.student_works.count != course.students.count
-          course.students.each do |student|
-            next if StudentWork.where(homework_common_id: homework.id, user_id: student.user_id).any?
-            same_attrs = {user_id: student.user_id}
-            worker.add same_attrs.merge(homework_common_id: homework.id)
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20190911074019_add_code_edit_permission_for_shixun.rb b/db/migrate/20190911074019_add_code_edit_permission_for_shixun.rb
deleted file mode 100644
index 801713e0e..000000000
--- a/db/migrate/20190911074019_add_code_edit_permission_for_shixun.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddCodeEditPermissionForShixun < ActiveRecord::Migration[5.2]
-  def change
-
-    add_column :shixuns, :code_edit_permission, :boolean, default: false
-  end
-end
diff --git a/db/migrate/20190911080150_change_ec_course_supports.rb b/db/migrate/20190911080150_change_ec_course_supports.rb
deleted file mode 100644
index 07c3a536d..000000000
--- a/db/migrate/20190911080150_change_ec_course_supports.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class ChangeEcCourseSupports < ActiveRecord::Migration[5.2]
-  def change
-    add_column :ec_course_supports, :ec_graduation_subitem_id, :integer, index: true
-
-    execute <<-SQL
-      UPDATE ec_course_supports ecs SET ec_graduation_subitem_id = (
-        SELECT ec_graduation_subitem_id FROM ec_graduation_subitem_courses egsc WHERE egsc.ec_course_support_id = ecs.id
-      )
-    SQL
-  end
-end
diff --git a/db/migrate/20190911103449_migrate_grade_index.rb b/db/migrate/20190911103449_migrate_grade_index.rb
deleted file mode 100644
index 0128619fa..000000000
--- a/db/migrate/20190911103449_migrate_grade_index.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class MigrateGradeIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :grades, [:user_id, :container_id]
-    add_index :grades, [:container_id, :container_type]
-    add_index :grades, [:user_id]
-  end
-end
diff --git a/db/migrate/20190917024120_migrate_graduation_task_comment_status.rb b/db/migrate/20190917024120_migrate_graduation_task_comment_status.rb
deleted file mode 100644
index 3b3a3fccc..000000000
--- a/db/migrate/20190917024120_migrate_graduation_task_comment_status.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateGraduationTaskCommentStatus < ActiveRecord::Migration[5.2]
-  def change
-    GraduationTask.where(cross_comment: true, comment_status: 0).update_all(comment_status: 2)
-  end
-end
diff --git a/db/migrate/20190920073337_migrate_user_extension_index.rb b/db/migrate/20190920073337_migrate_user_extension_index.rb
deleted file mode 100644
index 1d333bd99..000000000
--- a/db/migrate/20190920073337_migrate_user_extension_index.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class MigrateUserExtensionIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :user_extensions, :school_id
-    add_index :user_extensions, [:school_id, :user_id]
-  end
-end
diff --git a/db/migrate/20190921010411_add_course_member_to_subjects.rb b/db/migrate/20190921010411_add_course_member_to_subjects.rb
deleted file mode 100644
index 76df05604..000000000
--- a/db/migrate/20190921010411_add_course_member_to_subjects.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddCourseMemberToSubjects < ActiveRecord::Migration[5.2]
-  def change
-    add_column :subjects, :student_count, :integer, :default => 0
-    add_column :subjects, :participant_count, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20190921015840_create_subject_appointments.rb b/db/migrate/20190921015840_create_subject_appointments.rb
deleted file mode 100644
index 68c924de7..000000000
--- a/db/migrate/20190921015840_create_subject_appointments.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateSubjectAppointments < ActiveRecord::Migration[5.2]
-  def change
-    create_table :subject_appointments do |t|
-      t.references :subject, index: true
-      t.references :user, index: true
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190923094220_add_update_user_id_to_graduation_works.rb b/db/migrate/20190923094220_add_update_user_id_to_graduation_works.rb
deleted file mode 100644
index 718c6adde..000000000
--- a/db/migrate/20190923094220_add_update_user_id_to_graduation_works.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddUpdateUserIdToGraduationWorks < ActiveRecord::Migration[5.2]
-  def change
-    add_column :graduation_works, :update_user_id, :integer
-    GraduationWork.update_all("update_user_id = commit_user_id")
-  end
-end
diff --git a/db/migrate/20190926024819_add_library_tag_data.rb b/db/migrate/20190926024819_add_library_tag_data.rb
deleted file mode 100644
index b2b40bbf5..000000000
--- a/db/migrate/20190926024819_add_library_tag_data.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class AddLibraryTagData < ActiveRecord::Migration[5.2]
-  def up
-    execute 'INSERT INTO library_tags(id, name) VALUES(4, "高校案例")'
-  end
-
-  def down
-    execute 'DELETE FROM library_tags WHERE id = 4 and name = "高校案例"'
-  end
-end
diff --git a/db/migrate/20190927091948_change_user_p02389416_exercise.rb b/db/migrate/20190927091948_change_user_p02389416_exercise.rb
deleted file mode 100644
index c4026f75b..000000000
--- a/db/migrate/20190927091948_change_user_p02389416_exercise.rb
+++ /dev/null
@@ -1,33 +0,0 @@
-class ChangeUserP02389416Exercise < ActiveRecord::Migration[5.2]
-  def change
-    puts "====> start_to_create user exercise_answer"
-
-    #分别为第8，11，14，15，16,20,21,26
-    # 分数分别为：2分，2分，5分，2分，2分，2分，2分，2分  合计19分
-    question_ids = [37411,37414,37417,37418,37419,37423,37424,37429]
-    choice_ids = [117788,117797,117806,117809,117811,117816,117818,117828]
-    question_scores = [2,2,5,2,2,2,2,2]
-    question_ids.each_with_index do |q, index|
-      ex_exercise_user = ExerciseAnswer.where(user_id: 45442, exercise_question_id: q, exercise_choice_id: choice_ids[index])
-      if ex_exercise_user.exists?
-        ex_exercise_user.first.update_attribute(:score,question_scores[index])
-      else
-        ExerciseAnswer.create(user_id: 45442, exercise_question_id: q, exercise_choice_id: choice_ids[index], score: question_scores[index])
-      end
-    end
-    ex_user = ExerciseUser.where(user_id: 45442, exercise_id: 2561)&.first
-    if ex_user.present?
-      if ex_user.score > 65 || ex_user.objective_score > 65
-        ex_user.update_attributes(score: 65, objective_score: 65)
-      else
-        obj_score = ex_user.objective_score.to_i + 19
-        total_score = ex_user.score.to_i + 19
-
-        ex_user.update_attributes(score: total_score, objective_score: obj_score)
-      end
-
-    end
-
-    puts "====> end_to_create user exercise_answer"
-  end
-end
diff --git a/db/migrate/20190930020534_migrate_forum_name.rb b/db/migrate/20190930020534_migrate_forum_name.rb
deleted file mode 100644
index 102d8c9a0..000000000
--- a/db/migrate/20190930020534_migrate_forum_name.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class MigrateForumName < ActiveRecord::Migration[5.2]
-  def change
-    forum = Forum.find_by(id: 16)
-    if forum.present?
-      forum.update_attributes(name: "通知公告")
-      forum.memos.destroy_all
-    end
-  end
-end
diff --git a/db/migrate/20190930032241_create_diff_records.rb b/db/migrate/20190930032241_create_diff_records.rb
deleted file mode 100644
index 3e02e0a2b..000000000
--- a/db/migrate/20190930032241_create_diff_records.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateDiffRecords < ActiveRecord::Migration[5.2]
-  def change
-    create_table :diff_records do |t|
-      t.references :user
-      t.references :container, polymorphic: true
-      t.string :column_name
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20190930032255_create_diff_record_contents.rb b/db/migrate/20190930032255_create_diff_record_contents.rb
deleted file mode 100644
index f3d56b8b2..000000000
--- a/db/migrate/20190930032255_create_diff_record_contents.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class CreateDiffRecordContents < ActiveRecord::Migration[5.2]
-  def change
-    create_table :diff_record_contents do |t|
-      t.references :diff_record
-
-      t.text :content
-    end
-  end
-end
diff --git a/db/migrate/20191007010405_resort_portal_image_data.rb b/db/migrate/20191007010405_resort_portal_image_data.rb
deleted file mode 100644
index 665b48466..000000000
--- a/db/migrate/20191007010405_resort_portal_image_data.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class ResortPortalImageData < ActiveRecord::Migration[5.2]
-  def change
-    PortalImage.order(position: :asc).each_with_index do |image, index|
-      image.update!(position: index + 1)
-    end
-  end
-end
diff --git a/db/migrate/20191010011844_create_laboratories.rb b/db/migrate/20191010011844_create_laboratories.rb
deleted file mode 100644
index 3dfb442f0..000000000
--- a/db/migrate/20191010011844_create_laboratories.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateLaboratories < ActiveRecord::Migration[5.2]
-  def change
-    create_table :laboratories do |t|
-      t.references :school
-      t.string :identifier
-
-      t.timestamps
-
-      t.index :identifier, unique: true
-    end
-  end
-end
diff --git a/db/migrate/20191010012226_create_laboratory_users.rb b/db/migrate/20191010012226_create_laboratory_users.rb
deleted file mode 100644
index 1b7ae762d..000000000
--- a/db/migrate/20191010012226_create_laboratory_users.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class CreateLaboratoryUsers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :laboratory_users do |t|
-      t.references :laboratory
-      t.references :user
-    end
-  end
-end
diff --git a/db/migrate/20191010063403_create_laboratory_settings.rb b/db/migrate/20191010063403_create_laboratory_settings.rb
deleted file mode 100644
index 7f0a5f015..000000000
--- a/db/migrate/20191010063403_create_laboratory_settings.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class CreateLaboratorySettings < ActiveRecord::Migration[5.2]
-  def change
-    create_table :laboratory_settings do |t|
-      t.references :laboratory
-
-      t.text :config
-    end
-  end
-end
diff --git a/db/migrate/20191011025619_init_edu_coder_laboratory.rb b/db/migrate/20191011025619_init_edu_coder_laboratory.rb
deleted file mode 100644
index 831ca3985..000000000
--- a/db/migrate/20191011025619_init_edu_coder_laboratory.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-class InitEduCoderLaboratory < ActiveRecord::Migration[5.2]
-  def change
-    ActiveRecord::Base.transaction do
-      laboratory = Laboratory.create!(id: 1, identifier: 'www')
-      setting = laboratory.build_laboratory_setting
-      footer = %Q{
-<p class="footer_con-p inline lineh-30  font-14">
-  <span class="font-18 fl">©</span>&nbsp;2019&nbsp;EduCoder
-  <a target="_blank" href="http://beian.miit.gov.cn/" class="ml15 mr15" style="color: rgb(136, 136, 136);">湘ICP备17009477号</a>
-  <a target="_blank" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=43019002000962" class="mr15" style="color: rgb(136, 136, 136);">
-    <img class="vertical4" src="https://ali-cdn.educoder.net/react/build/static/media/beian.d0289dc0.png">湘公网安备43019002000962号
-  </a>
-  <a href="https://team.trustie.net" target="_blank" style="color: rgb(136, 136, 136);">Trustie</a>
-  &nbsp;&nbsp;&nbsp;&amp;&nbsp;&nbsp;&nbsp;IntelliDE inside.
-  <span class="mr15">版权所有 湖南智擎科技有限公司</span></p>
-    }
-      config = setting.class.default_config.merge(name: 'EduCoder', footer: footer)
-      setting.config = config
-      setting.save!
-    end
-  end
-end
diff --git a/db/migrate/20191011030441_add_commit_method_to_exercise_user.rb b/db/migrate/20191011030441_add_commit_method_to_exercise_user.rb
deleted file mode 100644
index 060e5eb5f..000000000
--- a/db/migrate/20191011030441_add_commit_method_to_exercise_user.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCommitMethodToExerciseUser < ActiveRecord::Migration[5.2]
-  def change
-    add_column :exercise_users, :commit_method, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20191014061301_migrate_course_atta.rb b/db/migrate/20191014061301_migrate_course_atta.rb
deleted file mode 100644
index 04d085c0d..000000000
--- a/db/migrate/20191014061301_migrate_course_atta.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class MigrateCourseAtta < ActiveRecord::Migration[5.2]
-  def change
-    add_column :attachments, :delay_publish, :boolean, default: 0
-
-    Attachment.where(container_type: "Course").where(is_publish: 0).where("publish_time > '#{(Time.now).strftime("%Y-%m-%d %H:%M:%S")}'").update_all(delay_publish: 1)
-  end
-end
diff --git a/db/migrate/20191015013924_add_new_column_to_competitions.rb b/db/migrate/20191015013924_add_new_column_to_competitions.rb
deleted file mode 100644
index 616a46059..000000000
--- a/db/migrate/20191015013924_add_new_column_to_competitions.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddNewColumnToCompetitions < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competitions, :bonus, :integer, default: 0
-    add_column :competitions, :mode, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20191015015723_create_competition_mode_settings.rb b/db/migrate/20191015015723_create_competition_mode_settings.rb
deleted file mode 100644
index 5d170eeab..000000000
--- a/db/migrate/20191015015723_create_competition_mode_settings.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateCompetitionModeSettings < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_mode_settings do |t|
-      t.references :course
-      t.datetime :start_time
-      t.datetime :end_time
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191016070842_add_description_to_competitions.rb b/db/migrate/20191016070842_add_description_to_competitions.rb
deleted file mode 100644
index 268d7b8fc..000000000
--- a/db/migrate/20191016070842_add_description_to_competitions.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddDescriptionToCompetitions < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competitions, :description, :text
-    add_column :competitions, :introduction, :text
-  end
-end
diff --git a/db/migrate/20191016075036_add_laboratory_id_to_portal_images.rb b/db/migrate/20191016075036_add_laboratory_id_to_portal_images.rb
deleted file mode 100644
index af818756c..000000000
--- a/db/migrate/20191016075036_add_laboratory_id_to_portal_images.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class AddLaboratoryIdToPortalImages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :portal_images, :laboratory_id, :bigint
-    add_index :portal_images, :laboratory_id
-
-    execute 'UPDATE portal_images SET laboratory_id = 1'
-  end
-end
diff --git a/db/migrate/20191017024643_add_extra_to_open_users.rb b/db/migrate/20191017024643_add_extra_to_open_users.rb
deleted file mode 100644
index b2e38c427..000000000
--- a/db/migrate/20191017024643_add_extra_to_open_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddExtraToOpenUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_column :open_users, :extra, :text
-  end
-end
diff --git a/db/migrate/20191017063840_add_competition_id_to_mode_setting.rb b/db/migrate/20191017063840_add_competition_id_to_mode_setting.rb
deleted file mode 100644
index ef68d395b..000000000
--- a/db/migrate/20191017063840_add_competition_id_to_mode_setting.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddCompetitionIdToModeSetting < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competition_mode_settings, :competition_id, :integer
-
-    add_index :competition_mode_settings, :competition_id
-  end
-end
diff --git a/db/migrate/20191017092449_migrate_competition_score.rb b/db/migrate/20191017092449_migrate_competition_score.rb
deleted file mode 100644
index 095f403c5..000000000
--- a/db/migrate/20191017092449_migrate_competition_score.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-class MigrateCompetitionScore < ActiveRecord::Migration[5.2]
-  def change
-    CompetitionModule.where(name: "排行榜", hidden: 0).each do |com_module|
-      competition = com_module.competition
-      if competition.present?
-        puts competition.id
-        if competition.identifier == 'hn' || competition.identifier == 'gcc-task-2019'
-          p_rate = 0.2
-          f_rate = 0.8
-        else
-          p_rate = 0.15
-          f_rate = 0.85
-        end
-        pre_stage = competition.competition_stages.where(:name => "预赛").first
-        final_stage = competition.competition_stages.where(:name => "决赛").first
-
-        competition.competition_teams.each do |team|
-          f_score = team.competition_scores.where(:competition_stage_id => final_stage.try(:id)).first
-          # 预赛记录
-          p_score = team.competition_scores.where(:competition_stage_id => pre_stage.try(:id)).first
-          s_score = (f_score.try(:score).to_f * f_rate + p_score.try(:score).to_f * p_rate).try(:round, 2)
-          s_spend_time = f_score.try(:cost_time).to_i + p_score.try(:cost_time).to_i
-          CompetitionScore.create(:user_id => team.user_id, :competition_team_id => team.id, :competition_id => competition.id,
-                                  :competition_stage_id => 0, :score => s_score, :cost_time => s_spend_time)
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191018015007_create_shixun_reviews.rb b/db/migrate/20191018015007_create_shixun_reviews.rb
deleted file mode 100644
index 2349e72f4..000000000
--- a/db/migrate/20191018015007_create_shixun_reviews.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateShixunReviews < ActiveRecord::Migration[5.2]
-  def change
-    create_table :shixun_reviews do |t|
-      t.references :user
-      t.references :shixun
-      t.string :evaluate_content
-      t.integer :status
-      t.string :review_type
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191018022821_create_competition_awards.rb b/db/migrate/20191018022821_create_competition_awards.rb
deleted file mode 100644
index 9da6068ce..000000000
--- a/db/migrate/20191018022821_create_competition_awards.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateCompetitionAwards < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_awards do |t|
-      t.references :competition, index: true
-      t.string :name
-      t.integer :num, default: 0
-      t.integer :award_type, default: 0
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191018030029_add_rate_to_competition_stage.rb b/db/migrate/20191018030029_add_rate_to_competition_stage.rb
deleted file mode 100644
index 6e819cc17..000000000
--- a/db/migrate/20191018030029_add_rate_to_competition_stage.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddRateToCompetitionStage < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competition_stages, :rate, :float, default: 1.0
-  end
-end
diff --git a/db/migrate/20191019075105_create_module_settings.rb b/db/migrate/20191019075105_create_module_settings.rb
deleted file mode 100644
index 85e3ddb9f..000000000
--- a/db/migrate/20191019075105_create_module_settings.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateModuleSettings < ActiveRecord::Migration[5.2]
-  def change
-    create_table :module_settings do |t|
-      t.string :module_type
-      t.string :property
-
-      t.timestamps
-    end
-
-    add_index :module_settings, :module_type
-  end
-end
diff --git a/db/migrate/20191019082903_change_column_competition_stage.rb b/db/migrate/20191019082903_change_column_competition_stage.rb
deleted file mode 100644
index a9942ec08..000000000
--- a/db/migrate/20191019082903_change_column_competition_stage.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangeColumnCompetitionStage < ActiveRecord::Migration[5.2]
-  def change
-    rename_column :competition_stages, :rate, :score_rate
-  end
-end
diff --git a/db/migrate/20191021141738_migrate_exercise_challenge_score.rb b/db/migrate/20191021141738_migrate_exercise_challenge_score.rb
deleted file mode 100644
index 6d67398db..000000000
--- a/db/migrate/20191021141738_migrate_exercise_challenge_score.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-class MigrateExerciseChallengeScore < ActiveRecord::Migration[5.2]
-  include ExercisesHelper
-  def change
-    exercise = Exercise.find_by(id: 2734)
-    if exercise
-      exercise.exercise_users.where("start_at is not null").each do |exercise_user|
-        if exercise_user.end_at.nil?
-          calculate_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
-          subjective_score = exercise_user.subjective_score
-          total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-          total_score = calculate_score + total_score_subjective_score
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score,end_at:exercise.end_time,commit_status:1,status:1,commit_method:3)
-          puts exercise_user.id
-        else
-          calculate_score = ExerciseShixunAnswer.where(user_id: exercise_user.user_id, exercise_question_id: exercise.exercise_questions.pluck(:id)).pluck(:score).sum
-          subjective_score = exercise_user.subjective_score
-          total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-          total_score = calculate_score + total_score_subjective_score
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score) if total_score > exercise_user.score
-          puts exercise_user.id
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191021150220_migrate_exercise_answer_score.rb b/db/migrate/20191021150220_migrate_exercise_answer_score.rb
deleted file mode 100644
index aa209bc4a..000000000
--- a/db/migrate/20191021150220_migrate_exercise_answer_score.rb
+++ /dev/null
@@ -1,110 +0,0 @@
-class MigrateExerciseAnswerScore < ActiveRecord::Migration[5.2]
-  def challenge_path(path)
-    cha_path = path.present? ? path.split("；") : []
-    cha_path.reject(&:blank?)[0].try(:strip)
-  end
-
-  # 版本库文件内容，带转码
-  def git_fle_content(repo_path, path)
-    begin
-      Rails.logger.info("git file content: repo_path is #{repo_path}, path is #{path}")
-
-      content = GitService.file_content(repo_path: repo_path, path: path)
-
-      Rails.logger.info("git file content: content is #{content}")
-      decode_content = nil
-      if content.present?
-        content = content["content"]   #6.24 -hs 这个为新增，因为当实训题里含有选择题时，这里会报错,undefined method `[]' for nil:NilClass
-
-        content = Base64.decode64(content)
-        cd = CharDet.detect(content)
-        Rails.logger.info "encoding: #{cd['encoding']} confidence: #{cd['confidence']}"
-        # 字符编码问题，GB18030编码识别率不行
-        decode_content =
-          if cd["encoding"] == 'GB18030' && cd['confidence'] > 0.8
-            content.encode('UTF-8', 'GBK', {:invalid => :replace, :undef => :replace, :replace => ' '})
-          else
-            content.force_encoding('UTF-8')
-          end
-      end
-
-      decode_content
-
-    rescue Exception => e
-      Rails.logger.error(e.message)
-      raise Educoder::TipException.new("文档内容获取异常")
-    end
-  end
-
-  def calculate_student_score(exercise,user)
-    score5 = 0.0  #实训题
-    exercise_questions = exercise.exercise_questions.includes(:exercise_standard_answers,:exercise_shixun_challenges)
-    exercise_questions.each do |q|
-      if q.question_type == 5
-        q.exercise_shixun_challenges.each do |exercise_cha|
-          game = Game.user_games(user.id,exercise_cha.challenge_id)&.first  #当前用户的关卡
-          if game.present?
-            exercise_cha_score = 0.0
-            answer_status = 0
-            # if game.status == 2 && game.final_score >= 0
-            if game.final_score > 0 && game.end_time < exercise.end_time
-              exercise_cha_score = game.real_score(exercise_cha.question_score)
-              # exercise_cha_score = exercise_cha.question_score #每一关卡的得分
-              answer_status = 1
-            end
-            ex_shixun_answer_content = exercise_cha.exercise_shixun_answers.where(user_id:user.id,exercise_question_id:q.id)
-            code = nil
-            if exercise_cha.challenge&.path.present?
-              cha_path = challenge_path(exercise_cha.challenge&.path)
-              game_challenge = game.game_codes.search_challenge_path(cha_path)&.first
-              if game_challenge.present?
-                game_code = game_challenge
-                code = game_code.try(:new_code)
-              else
-                begin
-                  code = git_fle_content(game.myshixun.repo_path,cha_path)
-                rescue
-                  code = ""
-                end
-              end
-            end
-            if ex_shixun_answer_content.blank?  #把关卡的答案存入试卷的实训里
-              ### Todo 实训题的_shixun_details里的代码是不是直接从这里取出就可以了？涉及到code的多个版本库的修改
-              sx_option = {
-                :exercise_question_id => q.id,
-                :exercise_shixun_challenge_id => exercise_cha.id,
-                :user_id => user.id,
-                :score => exercise_cha_score.round(1),
-                :answer_text => code,
-                :status => answer_status
-              }
-              ExerciseShixunAnswer.create!(sx_option)
-            else
-              ex_shixun_answer_content.first.update_attributes!(score:exercise_cha_score.round(1),answer_text:code,status:answer_status)
-            end
-            score5 += exercise_cha_score
-          else
-            score5 += 0.0
-          end
-        end
-      end
-    end
-    score5
-  end
-
-  def change
-    user_ids = [111887, 111892, 111883, 111880]
-    exercise = Exercise.find_by(id: 2734)
-    if exercise
-      exercise_users = exercise.exercise_users.where(user_id: user_ids)
-      exercise_users.each do |exercise_user|
-        calculate_score = calculate_student_score(exercise, exercise_user.user)
-        subjective_score = exercise_user.subjective_score
-        total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-        total_score = calculate_score + total_score_subjective_score
-        exercise_user.update_attributes!(score:total_score,objective_score:calculate_score)
-        puts exercise_user.id
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191021154016_migrate_2734_exercise_answer_score.rb b/db/migrate/20191021154016_migrate_2734_exercise_answer_score.rb
deleted file mode 100644
index 344233dd1..000000000
--- a/db/migrate/20191021154016_migrate_2734_exercise_answer_score.rb
+++ /dev/null
@@ -1,113 +0,0 @@
-class Migrate2734ExerciseAnswerScore < ActiveRecord::Migration[5.2]
-  def challenge_path(path)
-    cha_path = path.present? ? path.split("；") : []
-    cha_path.reject(&:blank?)[0].try(:strip)
-  end
-
-  # 版本库文件内容，带转码
-  def git_fle_content(repo_path, path)
-    begin
-      Rails.logger.info("git file content: repo_path is #{repo_path}, path is #{path}")
-
-      content = GitService.file_content(repo_path: repo_path, path: path)
-
-      Rails.logger.info("git file content: content is #{content}")
-      decode_content = nil
-      if content.present?
-        content = content["content"]   #6.24 -hs 这个为新增，因为当实训题里含有选择题时，这里会报错,undefined method `[]' for nil:NilClass
-
-        content = Base64.decode64(content)
-        cd = CharDet.detect(content)
-        Rails.logger.info "encoding: #{cd['encoding']} confidence: #{cd['confidence']}"
-        # 字符编码问题，GB18030编码识别率不行
-        decode_content =
-          if cd["encoding"] == 'GB18030' && cd['confidence'] > 0.8
-            content.encode('UTF-8', 'GBK', {:invalid => :replace, :undef => :replace, :replace => ' '})
-          else
-            content.force_encoding('UTF-8')
-          end
-      end
-
-      decode_content
-
-    rescue Exception => e
-      Rails.logger.error(e.message)
-      raise Educoder::TipException.new("文档内容获取异常")
-    end
-  end
-
-  def calculate_student_score(exercise,user)
-    score5 = 0.0  #实训题
-    exercise_questions = exercise.exercise_questions.includes(:exercise_standard_answers,:exercise_shixun_challenges)
-    exercise_questions.each do |q|
-      if q.question_type == 5
-        q.exercise_shixun_challenges.each do |exercise_cha|
-          game = Game.user_games(user.id,exercise_cha.challenge_id)&.first  #当前用户的关卡
-          if game.present?
-            exercise_cha_score = 0.0
-            answer_status = 0
-            # if game.status == 2 && game.final_score >= 0
-            if game.final_score > 0 && game.end_time < exercise.end_time
-              exercise_cha_score = game.real_score(exercise_cha.question_score)
-              # exercise_cha_score = exercise_cha.question_score #每一关卡的得分
-              answer_status = 1
-            end
-            ex_shixun_answer_content = exercise_cha.exercise_shixun_answers.where(user_id:user.id,exercise_question_id:q.id)
-            code = nil
-            if exercise_cha.challenge&.path.present?
-              cha_path = challenge_path(exercise_cha.challenge&.path)
-              game_challenge = game.game_codes.search_challenge_path(cha_path)&.first
-              if game_challenge.present?
-                game_code = game_challenge
-                code = game_code.try(:new_code)
-              else
-                begin
-                  code = git_fle_content(game.myshixun.repo_path,cha_path)
-                rescue
-                  code = ""
-                end
-              end
-            end
-            if ex_shixun_answer_content.blank?  #把关卡的答案存入试卷的实训里
-              ### Todo 实训题的_shixun_details里的代码是不是直接从这里取出就可以了？涉及到code的多个版本库的修改
-              sx_option = {
-                :exercise_question_id => q.id,
-                :exercise_shixun_challenge_id => exercise_cha.id,
-                :user_id => user.id,
-                :score => exercise_cha_score.round(1),
-                :answer_text => code,
-                :status => answer_status
-              }
-              ExerciseShixunAnswer.create!(sx_option)
-            else
-              ex_shixun_answer_content.first.update_attributes!(score:exercise_cha_score.round(1),answer_text:code,status:answer_status)
-            end
-            score5 += exercise_cha_score
-          else
-            score5 += 0.0
-          end
-        end
-      end
-    end
-    score5
-  end
-
-  def change
-    exercise = Exercise.find_by(id: 2734)
-    if exercise
-      exercise_users = exercise.exercise_users.where("start_at is not null")
-      exercise_users.each do |exercise_user|
-        calculate_score = calculate_student_score(exercise, exercise_user.user)
-        subjective_score = exercise_user.subjective_score
-        total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-        total_score = calculate_score + total_score_subjective_score
-        if exercise_user.end_at.nil?
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score,end_at:exercise.end_time,commit_status:1,status:1,commit_method:3)
-        else
-            exercise_user.update_attributes!(score:total_score,objective_score:calculate_score)
-        end
-        puts exercise_user.id
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191022003750_create_weapp_settings.rb b/db/migrate/20191022003750_create_weapp_settings.rb
deleted file mode 100644
index 20b3d5879..000000000
--- a/db/migrate/20191022003750_create_weapp_settings.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateWeappSettings < ActiveRecord::Migration[5.2]
-  def change
-    create_table :weapp_settings do |t|
-      t.string :type
-      t.string :link
-      t.boolean :online, default: false
-      t.integer :position, default: 0
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191022030127_migrate_competition_score_stage_id.rb b/db/migrate/20191022030127_migrate_competition_score_stage_id.rb
deleted file mode 100644
index 0eefbac48..000000000
--- a/db/migrate/20191022030127_migrate_competition_score_stage_id.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class MigrateCompetitionScoreStageId < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :competition_scores, :competition_stage_id, 0
-
-    CompetitionScore.where("competition_stage_id is null").update_all(competition_stage_id: 0)
-  end
-end
diff --git a/db/migrate/20191022075223_migrate_competition_mode_default.rb b/db/migrate/20191022075223_migrate_competition_mode_default.rb
deleted file mode 100644
index d61d4aa68..000000000
--- a/db/migrate/20191022075223_migrate_competition_mode_default.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class MigrateCompetitionModeDefault < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :competitions, :mode, from: 0, to: 1
-    Competition.all.update_all(mode: 1)
-  end
-end
diff --git a/db/migrate/20191022100044_add_awards_count_to_competition.rb b/db/migrate/20191022100044_add_awards_count_to_competition.rb
deleted file mode 100644
index ef6657ae6..000000000
--- a/db/migrate/20191022100044_add_awards_count_to_competition.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddAwardsCountToCompetition < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competitions, :awards_count, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20191023074837_migrate_competition_module_type.rb b/db/migrate/20191023074837_migrate_competition_module_type.rb
deleted file mode 100644
index c98c5797d..000000000
--- a/db/migrate/20191023074837_migrate_competition_module_type.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-class MigrateCompetitionModuleType < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competition_modules, :module_type, :string
-
-    Competition.all.each do |competition|
-      competition.competition_modules.each do |com_module|
-        mod_type = ""
-        case com_module.name
-        when '首页'
-          mod_type = "home"
-        when '报名'
-          mod_type = "enroll"
-        when '通知公告'
-          mod_type = "inform"
-        when '参赛手册'
-          mod_type = "manual"
-        when '排行榜'
-          mod_type = "chart"
-        when '资料下载'
-          mod_type = "resource"
-        else
-          mod_type = "md"
-        end
-        com_module.update_attributes!(module_type: mod_type)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191024055404_migrate_com_module_resource.rb b/db/migrate/20191024055404_migrate_com_module_resource.rb
deleted file mode 100644
index f8625b2bc..000000000
--- a/db/migrate/20191024055404_migrate_com_module_resource.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-class MigrateComModuleResource < ActiveRecord::Migration[5.2]
-  def change
-    Competition.all.each do |competition|
-      competition.competition_modules.each do |com_module|
-        mod_type = ""
-        case com_module.name.strip
-        when '首页'
-          mod_type = "home"
-        when '报名'
-          mod_type = "enroll"
-        when '通知公告'
-          mod_type = "inform"
-        when '参赛手册'
-          mod_type = "manual"
-        when '排行榜'
-          mod_type = "chart"
-        when '资料下载'
-          mod_type = "resource"
-        else
-          mod_type = "md"
-        end
-        com_module.update_attributes!(module_type: mod_type)
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191024075134_migrate_competition_module_manual.rb b/db/migrate/20191024075134_migrate_competition_module_manual.rb
deleted file mode 100644
index 3a2f16cff..000000000
--- a/db/migrate/20191024075134_migrate_competition_module_manual.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateCompetitionModuleManual < ActiveRecord::Migration[5.2]
-  def change
-    CompetitionModule.where(module_type: "manual").update_all(module_type: "md")
-  end
-end
diff --git a/db/migrate/20191024083706_migrate_competition_module_content.rb b/db/migrate/20191024083706_migrate_competition_module_content.rb
deleted file mode 100644
index 72d023a38..000000000
--- a/db/migrate/20191024083706_migrate_competition_module_content.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class MigrateCompetitionModuleContent < ActiveRecord::Migration[5.2]
-  def change
-    Competition.all.each do |competition|
-      competition.informs.each do |inform|
-        if inform.status == 1
-          com_module = competition.competition_modules.find_by(module_type: "inform")
-        elsif inform.status == 2
-          com_module = competition.competition_modules.find_by(name: "参赛手册")
-        end
-        if com_module
-          new_md = CompetitionModuleMdContent.create!(competition_module_id: com_module.id, content: inform.description, name: inform.name)
-          Attachment.where(container_id: inform.id, container_type: "Inform").update_all(container_id: new_md.id, container_type: "CompetitionModuleMdContent")
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191024090740_migrate_competition_chart_rules.rb b/db/migrate/20191024090740_migrate_competition_chart_rules.rb
deleted file mode 100644
index bff749e23..000000000
--- a/db/migrate/20191024090740_migrate_competition_chart_rules.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateCompetitionChartRules < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competition_module_md_contents, :competition_stage_id, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20191024105504_create_competition_schools.rb b/db/migrate/20191024105504_create_competition_schools.rb
deleted file mode 100644
index 27a425abc..000000000
--- a/db/migrate/20191024105504_create_competition_schools.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateCompetitionSchools < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_schools do |t|
-      t.references :competition, index: true
-      t.references :school, index: true
-      t.string :source
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191025012950_add_column_to_stage_sections.rb b/db/migrate/20191025012950_add_column_to_stage_sections.rb
deleted file mode 100644
index 5eb96aea9..000000000
--- a/db/migrate/20191025012950_add_column_to_stage_sections.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class AddColumnToStageSections < ActiveRecord::Migration[5.2]
-  def change
-    add_column :competition_stage_sections, :mission_count, :integer, default: 0
-    add_column :competition_stage_sections, :score_source, :integer, default: 0
-
-    add_column :competition_entries, :shixun_identifier, :string
-  end
-end
diff --git a/db/migrate/20191026110116_migrate_chart_rule.rb b/db/migrate/20191026110116_migrate_chart_rule.rb
deleted file mode 100644
index 05331e90d..000000000
--- a/db/migrate/20191026110116_migrate_chart_rule.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class MigrateChartRule < ActiveRecord::Migration[5.2]
-  def change
-    ChartRule.all.each do |rule|
-      if rule.competition
-        com_module = rule.competition.competition_modules.find_by(module_type: "chart")
-        if com_module && !com_module.competition_module_md_contents.exists?(competition_stage_id: rule.competition_stage_id ? rule.competition_stage_id : 0)
-          CompetitionModuleMdContent.create!(content: rule.content, competition_module_id: com_module.id, competition_stage_id: rule.competition_stage_id ? rule.competition_stage_id : 0)
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191028025241_re_counter_course_groups.rb b/db/migrate/20191028025241_re_counter_course_groups.rb
deleted file mode 100644
index 02bd1fe77..000000000
--- a/db/migrate/20191028025241_re_counter_course_groups.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class ReCounterCourseGroups < ActiveRecord::Migration[5.2]
-  def change
-    CourseGroup.find_each do |group|
-      CourseGroup.reset_counters(group.id, :course_members_count)
-    end
-  end
-end
diff --git a/db/migrate/20191029003245_create_competition_managers.rb b/db/migrate/20191029003245_create_competition_managers.rb
deleted file mode 100644
index 047ebcbe9..000000000
--- a/db/migrate/20191029003245_create_competition_managers.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateCompetitionManagers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_managers do |t|
-      t.references :user
-      t.references :competition
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191029011040_add_statistics_to_course_module.rb b/db/migrate/20191029011040_add_statistics_to_course_module.rb
deleted file mode 100644
index 3babbcdbf..000000000
--- a/db/migrate/20191029011040_add_statistics_to_course_module.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddStatisticsToCourseModule < ActiveRecord::Migration[5.2]
-  def change
-    Course.includes(:course_modules).all.each do |course|
-      CourseModule.create!(course_id: course.id, module_type: "statistics", hidden:0, module_name: "统计", position: course.course_modules.pluck(:position).max + 1)
-    end
-  end
-end
diff --git a/db/migrate/20191029065244_init_trustie_config.rb b/db/migrate/20191029065244_init_trustie_config.rb
deleted file mode 100644
index 24ec7a245..000000000
--- a/db/migrate/20191029065244_init_trustie_config.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class InitTrustieConfig < ActiveRecord::Migration[5.2]
-  def change
-    hash = {"trustie_api_token" => "", "trustie_api_url" => ""}
-      hash.each { |key, value|
-        EduSetting.find_or_create_by(name: key, value: value)
-      }
-  end
-end
diff --git a/db/migrate/20191029084344_add_total_score_to_homework_commons.rb b/db/migrate/20191029084344_add_total_score_to_homework_commons.rb
deleted file mode 100644
index 1fefdde34..000000000
--- a/db/migrate/20191029084344_add_total_score_to_homework_commons.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTotalScoreToHomeworkCommons < ActiveRecord::Migration[5.2]
-  def change
-    add_column :homework_commons, :total_score, :float, default: 100
-  end
-end
diff --git a/db/migrate/20191030005223_init_competition_certificate_module_data.rb b/db/migrate/20191030005223_init_competition_certificate_module_data.rb
deleted file mode 100644
index 75eedbd86..000000000
--- a/db/migrate/20191030005223_init_competition_certificate_module_data.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class InitCompetitionCertificateModuleData < ActiveRecord::Migration[5.2]
-  def change
-    Competition.find_each do |competition|
-      competition.competition_modules.where(module_type: 'certificate').delete_all
-
-      position = competition.competition_modules.maximum(:position) + 1
-      competition.competition_modules.create(module_type: 'certificate', position: position, name: '获奖证书', hidden: true)
-    end
-  end
-end
diff --git a/db/migrate/20191030013802_create_competition_prizes.rb b/db/migrate/20191030013802_create_competition_prizes.rb
deleted file mode 100644
index bafacf22d..000000000
--- a/db/migrate/20191030013802_create_competition_prizes.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateCompetitionPrizes < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_prizes do |t|
-      t.references :competition
-
-      t.string :name
-      t.string :category
-      t.integer :num
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191030055341_create_competition_prize_users.rb b/db/migrate/20191030055341_create_competition_prize_users.rb
deleted file mode 100644
index ab1e31144..000000000
--- a/db/migrate/20191030055341_create_competition_prize_users.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-class CreateCompetitionPrizeUsers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :competition_prize_users do |t|
-      t.references :competition
-      t.references :competition_team
-      t.references :competition_prize
-      t.references :user
-      t.references :approver
-
-      t.string :status
-      t.integer :rank
-      t.boolean :leader, default: false
-      t.text :extra
-
-      t.datetime :approved_at
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191030062150_create_exercise_user_scores.rb b/db/migrate/20191030062150_create_exercise_user_scores.rb
deleted file mode 100644
index 911a8a3a5..000000000
--- a/db/migrate/20191030062150_create_exercise_user_scores.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateExerciseUserScores < ActiveRecord::Migration[5.2]
-  def change
-    create_table :exercise_user_scores do |t|
-      t.references :exercise, index: true
-      t.references :exercise_user, index: true
-      t.float :score
-      t.text :comment
-      t.references :user, index: true
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191104033349_create_game_answers.rb b/db/migrate/20191104033349_create_game_answers.rb
deleted file mode 100644
index 211a0c29d..000000000
--- a/db/migrate/20191104033349_create_game_answers.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateGameAnswers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :game_answers do |t|
-      t.references :challenge_answer
-      t.references :user
-      t.references :game
-      t.datetime :view_time
-
-      t.timestamps
-    end
-
-  end
-end
diff --git a/db/migrate/20191104055038_add_index_for_game_answers.rb b/db/migrate/20191104055038_add_index_for_game_answers.rb
deleted file mode 100644
index 7cd59c6ee..000000000
--- a/db/migrate/20191104055038_add_index_for_game_answers.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexForGameAnswers < ActiveRecord::Migration[5.2]
-  def change
-    add_index :game_answers, [:challenge_answer_id, :user_id], :unique => true
-  end
-end
diff --git a/db/migrate/20191104063136_add_team_title_to_subjects.rb b/db/migrate/20191104063136_add_team_title_to_subjects.rb
deleted file mode 100644
index d515a800a..000000000
--- a/db/migrate/20191104063136_add_team_title_to_subjects.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddTeamTitleToSubjects < ActiveRecord::Migration[5.2]
-  def change
-    add_column :subjects, :team_title, :string, default: "教学团队"
-  end
-end
diff --git a/db/migrate/20191104080912_add_email_notify_to_course.rb b/db/migrate/20191104080912_add_email_notify_to_course.rb
deleted file mode 100644
index 5a817781c..000000000
--- a/db/migrate/20191104080912_add_email_notify_to_course.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddEmailNotifyToCourse < ActiveRecord::Migration[5.2]
-  def change
-    add_column :courses, :email_notify, :boolean, default: 0
-  end
-end
diff --git a/db/migrate/20191104132649_migrate_2796_exercise_score.rb b/db/migrate/20191104132649_migrate_2796_exercise_score.rb
deleted file mode 100644
index 375116e94..000000000
--- a/db/migrate/20191104132649_migrate_2796_exercise_score.rb
+++ /dev/null
@@ -1,60 +0,0 @@
-class Migrate2796ExerciseScore < ActiveRecord::Migration[5.2]
-  def calculate_student_score(exercise,user)
-    score1 = 0.0  #实训题
-    exercise_questions = exercise.exercise_questions.includes(:exercise_standard_answers)
-    exercise_questions.each do |q|
-      answers_content = q.exercise_answers.where(user_id: user.id)  #学生的答案
-      if q.question_type <= 2  #为选择题或判断题时
-        if answers_content.present?   #学生有回答时
-          answer_choice_array = []
-          answers_content.each do |a|
-            answer_choice_array.push(a.exercise_choice.choice_position)  #学生答案的位置
-          end
-          user_answer_content = answer_choice_array.sort
-          standard_answer = q.exercise_standard_answers.pluck(:exercise_choice_id).sort  #该问题的标准答案，可能有多个
-
-          #TODO: 旧版多选题的标准答案是放在一个里面的，新版又做成了一个题有多个标准答案（exercise_choice_id存放的是标准答案的位置..）
-          if q.question_type == 1 && standard_answer.size == 1
-            standard_answer = standard_answer.first.to_s.split("").map(&:to_i).sort
-          end
-
-          if user_answer_content == standard_answer  #答案一致,多选或单选才给分，答案不对不给分
-            if standard_answer.size > 0
-              q_score_1 = q.question_score
-              # q_score_1 = (q.question_score.to_f / standard_answer.count)   #当多选答案正确时，每个answer的分数均摊。
-            else
-              q_score_1 = 0.0
-            end
-            answers_content.update_all(:score => q_score_1)
-            score1 = score1 + q.question_score
-          else
-            answers_content.update_all(:score => -1.0)
-            score1 += 0.0
-          end
-        else
-          score1 += 0.0
-        end
-      end
-    end
-    score1
-  end
-
-  def change
-    exercise = Exercise.find_by(id: 2796)
-    if exercise
-      exercise_users = exercise.exercise_users.where("start_at is not null and commit_status = 0")
-      exercise_users.each do |exercise_user|
-        calculate_score = calculate_student_score(exercise, exercise_user.user)
-        subjective_score = exercise_user.subjective_score
-        total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-        total_score = calculate_score + total_score_subjective_score
-        if exercise_user.end_at.nil?
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score,end_at:exercise.end_time,commit_status:1,status:1,commit_method:3)
-        else
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score)
-        end
-        puts exercise_user.id
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191105093740_create_trustie_hackathons.rb b/db/migrate/20191105093740_create_trustie_hackathons.rb
deleted file mode 100644
index 4e806d346..000000000
--- a/db/migrate/20191105093740_create_trustie_hackathons.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateTrustieHackathons < ActiveRecord::Migration[5.2]
-  def change
-    create_table :trustie_hackathons do |t|
-      t.string :name
-      t.string :description
-      t.integer :trustie_hacks_count, default: 0
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191105093919_create_trustie_hacks.rb b/db/migrate/20191105093919_create_trustie_hacks.rb
deleted file mode 100644
index d4f65516e..000000000
--- a/db/migrate/20191105093919_create_trustie_hacks.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateTrustieHacks < ActiveRecord::Migration[5.2]
-  def change
-    create_table :trustie_hacks do |t|
-      t.string :name
-      t.string :description
-      t.references :user
-      t.integer :hack_users_count, default: 0
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191105094146_create_hack_users.rb b/db/migrate/20191105094146_create_hack_users.rb
deleted file mode 100644
index 2ef654b5b..000000000
--- a/db/migrate/20191105094146_create_hack_users.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class CreateHackUsers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_users do |t|
-      t.references :user
-      t.references :trustie_hack
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191106015717_create_partner_manager_groups.rb b/db/migrate/20191106015717_create_partner_manager_groups.rb
deleted file mode 100644
index 282c9a11e..000000000
--- a/db/migrate/20191106015717_create_partner_manager_groups.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreatePartnerManagerGroups < ActiveRecord::Migration[5.2]
-  def change
-    create_table :partner_manager_groups do |t|
-      t.references :partner
-      t.string :name
-      t.boolean :admin, default: false
-
-      t.timestamps
-    end
-
-    add_reference :customers, :partner_manager_group
-  end
-end
diff --git a/db/migrate/20191106020241_create_partner_managers.rb b/db/migrate/20191106020241_create_partner_managers.rb
deleted file mode 100644
index e033ba199..000000000
--- a/db/migrate/20191106020241_create_partner_managers.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreatePartnerManagers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :partner_managers do |t|
-      t.references :user
-      t.references :partner
-      t.references :partner_manager_group
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191106020505_transfer_partner_manager_data.rb b/db/migrate/20191106020505_transfer_partner_manager_data.rb
deleted file mode 100644
index cb297dc32..000000000
--- a/db/migrate/20191106020505_transfer_partner_manager_data.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class TransferPartnerManagerData < ActiveRecord::Migration[5.2]
-  def change
-    ActiveRecord::Base.transaction do
-      Partner.find_each do |partner|
-        manager_group = partner.partner_manager_groups.find_or_create_by(name: '管理者', admin: true)
-
-        user_ids = User.where(partner_id: partner.id).pluck(:id)
-        PartnerManager.bulk_insert(*%i[user_id partner_id partner_manager_group_id created_at updated_at]) do |worker|
-          user_ids.each { |user_id| worker.add(user_id: user_id, partner_id: partner.id, partner_manager_group_id: manager_group.id)  }
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191106021452_remove_partner_id_from_users.rb b/db/migrate/20191106021452_remove_partner_id_from_users.rb
deleted file mode 100644
index a306eda2d..000000000
--- a/db/migrate/20191106021452_remove_partner_id_from_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class RemovePartnerIdFromUsers < ActiveRecord::Migration[5.2]
-  def change
-    remove_reference :users, :partner
-  end
-end
diff --git a/db/migrate/20191106034825_add_trustie_hackathon_id_for_trustie_hacks.rb b/db/migrate/20191106034825_add_trustie_hackathon_id_for_trustie_hacks.rb
deleted file mode 100644
index 0c2619ec7..000000000
--- a/db/migrate/20191106034825_add_trustie_hackathon_id_for_trustie_hacks.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddTrustieHackathonIdForTrustieHacks < ActiveRecord::Migration[5.2]
-  def change
-    add_column :trustie_hacks, :trustie_hackathon_id, :integer
-    add_index :trustie_hacks, :trustie_hackathon_id
-  end
-end
diff --git a/db/migrate/20191106055638_migrate_2808_exercise_score.rb b/db/migrate/20191106055638_migrate_2808_exercise_score.rb
deleted file mode 100644
index ebf09e148..000000000
--- a/db/migrate/20191106055638_migrate_2808_exercise_score.rb
+++ /dev/null
@@ -1,111 +0,0 @@
-class Migrate2808ExerciseScore < ActiveRecord::Migration[5.2]
-  def challenge_path(path)
-    cha_path = path.present? ? path.split("；") : []
-    cha_path.reject(&:blank?)[0].try(:strip)
-  end
-
-  # 版本库文件内容，带转码
-  def git_fle_content(repo_path, path)
-    begin
-      Rails.logger.info("git file content: repo_path is #{repo_path}, path is #{path}")
-
-      content = GitService.file_content(repo_path: repo_path, path: path)
-
-      Rails.logger.info("git file content: content is #{content}")
-      decode_content = nil
-      if content.present?
-        content = content["content"]   #6.24 -hs 这个为新增，因为当实训题里含有选择题时，这里会报错,undefined method `[]' for nil:NilClass
-
-        content = Base64.decode64(content)
-        cd = CharDet.detect(content)
-        Rails.logger.info "encoding: #{cd['encoding']} confidence: #{cd['confidence']}"
-        # 字符编码问题，GB18030编码识别率不行
-        decode_content =
-          if cd["encoding"] == 'GB18030' && cd['confidence'] > 0.8
-            content.encode('UTF-8', 'GBK', {:invalid => :replace, :undef => :replace, :replace => ' '})
-          else
-            content.force_encoding('UTF-8')
-          end
-      end
-
-      decode_content
-
-    rescue Exception => e
-      Rails.logger.error(e.message)
-      raise Educoder::TipException.new("文档内容获取异常")
-    end
-  end
-
-  def calculate_student_score(exercise,user)
-    score5 = 0.0  #实训题
-    exercise_questions = exercise.exercise_questions.includes(:exercise_standard_answers,:exercise_shixun_challenges)
-    exercise_questions.each do |q|
-      if q.question_type == 5
-        q.exercise_shixun_challenges.each do |exercise_cha|
-          game = Game.user_games(user.id,exercise_cha.challenge_id)&.first  #当前用户的关卡
-          if game.present?
-            exercise_cha_score = 0.0
-            answer_status = 0
-            # if game.status == 2 && game.final_score >= 0
-            if game.final_score > 0 && game.end_time < exercise.end_time
-              exercise_cha_score = game.real_score(exercise_cha.question_score)
-              # exercise_cha_score = exercise_cha.question_score #每一关卡的得分
-              answer_status = 1
-            end
-            ex_shixun_answer_content = exercise_cha.exercise_shixun_answers.where(user_id:user.id,exercise_question_id:q.id)
-            code = nil
-            if exercise_cha.challenge&.path.present?
-              cha_path = challenge_path(exercise_cha.challenge&.path)
-              game_challenge = game.game_codes.search_challenge_path(cha_path)&.first
-              if game_challenge.present?
-                game_code = game_challenge
-                code = game_code.try(:new_code)
-              else
-                begin
-                  code = git_fle_content(game.myshixun.repo_path,cha_path)
-                rescue
-                  code = ""
-                end
-              end
-            end
-            if ex_shixun_answer_content.blank?  #把关卡的答案存入试卷的实训里
-              ### Todo 实训题的_shixun_details里的代码是不是直接从这里取出就可以了？涉及到code的多个版本库的修改
-              sx_option = {
-                :exercise_question_id => q.id,
-                :exercise_shixun_challenge_id => exercise_cha.id,
-                :user_id => user.id,
-                :score => exercise_cha_score.round(1),
-                :answer_text => code,
-                :status => answer_status
-              }
-              ExerciseShixunAnswer.create!(sx_option)
-            else
-              ex_shixun_answer_content.first.update_attributes!(score:exercise_cha_score.round(1),answer_text:code,status:answer_status)
-            end
-            score5 += exercise_cha_score
-          else
-            score5 += 0.0
-          end
-        end
-      end
-    end
-    score5
-  end
-
-  def change
-    exercise = Exercise.find_by(id: 2808)
-    if exercise
-      exercise_users = exercise.exercise_users.where("start_at is not null and commit_status = 0")
-      exercise_users.each do |exercise_user|
-        calculate_score = calculate_student_score(exercise, exercise_user.user)
-        subjective_score = exercise_user.subjective_score
-        total_score_subjective_score = subjective_score < 0.0 ? 0.0 : subjective_score
-        total_score = calculate_score + total_score_subjective_score
-        if exercise_user.end_at.nil?
-          exercise_user.update_attributes!(score:total_score,objective_score:calculate_score,end_at:exercise.end_time,commit_status:1,status:1,commit_method:3)
-        end
-        puts exercise_user.id
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191106061342_add_uniq_index_for_hack_users.rb b/db/migrate/20191106061342_add_uniq_index_for_hack_users.rb
deleted file mode 100644
index 6d1924d92..000000000
--- a/db/migrate/20191106061342_add_uniq_index_for_hack_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddUniqIndexForHackUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_index :hack_users, [:user_id, :trustie_hack_id], unique: true
-  end
-end
diff --git a/db/migrate/20191106070243_create_laboratory_shixuns.rb b/db/migrate/20191106070243_create_laboratory_shixuns.rb
deleted file mode 100644
index 7f2e4fa02..000000000
--- a/db/migrate/20191106070243_create_laboratory_shixuns.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateLaboratoryShixuns < ActiveRecord::Migration[5.2]
-  def change
-    create_table :laboratory_shixuns do |t|
-      t.references :laboratory
-      t.references :shixun
-
-      t.boolean :ownership, default: false
-      t.boolean :homepage, default: false
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191106094429_add_position_for_informs.rb b/db/migrate/20191106094429_add_position_for_informs.rb
deleted file mode 100644
index 3065081f2..000000000
--- a/db/migrate/20191106094429_add_position_for_informs.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class AddPositionForInforms < ActiveRecord::Migration[5.2]
-  def change
-    add_column :informs, :position, :integer, :default => 1
-
-    course_ids = Inform.where(container_type: 'Course').pluck(:container_id).uniq
-    courses = Course.where(id: course_ids)
-
-    courses.find_each do |course|
-      next if course.informs.count == 1
-      informs = course.informs.order("created_at asc")
-      informs.each_with_index do |inform, index|
-        inform.update_attribute(:position, index+1)
-      end
-    end
-
-  end
-end
diff --git a/db/migrate/20191107023418_create_laboratory_subjects.rb b/db/migrate/20191107023418_create_laboratory_subjects.rb
deleted file mode 100644
index ea916f897..000000000
--- a/db/migrate/20191107023418_create_laboratory_subjects.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateLaboratorySubjects < ActiveRecord::Migration[5.2]
-  def change
-    create_table :laboratory_subjects do |t|
-      t.references :laboratory
-      t.references :subject
-
-      t.boolean :ownership, default: false
-      t.boolean :homepage, default: false
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191107062552_add_email_notify_to_messages.rb b/db/migrate/20191107062552_add_email_notify_to_messages.rb
deleted file mode 100644
index 2ec6f20e4..000000000
--- a/db/migrate/20191107062552_add_email_notify_to_messages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddEmailNotifyToMessages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :messages, :email_notify, :boolean, default: 0
-  end
-end
diff --git a/db/migrate/20191107093428_add_column_to_exercise_user_score.rb b/db/migrate/20191107093428_add_column_to_exercise_user_score.rb
deleted file mode 100644
index 892252987..000000000
--- a/db/migrate/20191107093428_add_column_to_exercise_user_score.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddColumnToExerciseUserScore < ActiveRecord::Migration[5.2]
-  def change
-    add_column :exercise_user_scores, :subjective_score, :float, default: 0
-    add_column :exercise_user_scores, :objective_score, :float, default: 0
-  end
-end
diff --git a/db/migrate/20191108070703_modify_descriotion_limit_for_hacks.rb b/db/migrate/20191108070703_modify_descriotion_limit_for_hacks.rb
deleted file mode 100644
index 9168dbd2a..000000000
--- a/db/migrate/20191108070703_modify_descriotion_limit_for_hacks.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ModifyDescriotionLimitForHacks < ActiveRecord::Migration[5.2]
-  def change
-    change_column :trustie_hackathons, :description, :text
-    change_column :trustie_hacks, :description, :text
-  end
-end
diff --git a/db/migrate/20191111082252_create_hacks.rb b/db/migrate/20191111082252_create_hacks.rb
deleted file mode 100644
index c9508319e..000000000
--- a/db/migrate/20191111082252_create_hacks.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-class CreateHacks < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hacks do |t|
-      t.string :name
-      t.integer :difficult
-      t.integer :category
-      t.integer :status, default: 0
-      t.boolean :open_or_not, default: true
-      t.integer :time_limit
-      t.integer :memory_limit
-      t.string :identifier
-      t.references :user
-      t.text :description
-
-      t.timestamps
-    end
-
-    add_index :hacks, :identifier, unique: true
-  end
-end
diff --git a/db/migrate/20191111083528_create_hack_codes.rb b/db/migrate/20191111083528_create_hack_codes.rb
deleted file mode 100644
index 7322a8de8..000000000
--- a/db/migrate/20191111083528_create_hack_codes.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateHackCodes < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_codes do |t|
-      t.references :hack
-      t.text :code
-      t.string :language
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191111100954_create_hack_sets.rb b/db/migrate/20191111100954_create_hack_sets.rb
deleted file mode 100644
index e4d710137..000000000
--- a/db/migrate/20191111100954_create_hack_sets.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateHackSets < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_sets do |t|
-      t.references :hack
-      t.text :input
-      t.text :output
-      t.integer :position
-
-      t.timestamps
-    end
-    add_index :hack_sets, [:hack_id, :position], unique: true
-  end
-end
diff --git a/db/migrate/20191111101536_create_hack_user_codes.rb b/db/migrate/20191111101536_create_hack_user_codes.rb
deleted file mode 100644
index 3aeded9a6..000000000
--- a/db/migrate/20191111101536_create_hack_user_codes.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-class CreateHackUserCodes < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_user_codes do |t|
-      t.references :user
-      t.references :hack
-      t.text :code
-      t.text :output
-      t.text :error_msg
-      t.integer :error_line
-      t.integer :position
-      t.integer :status, default: 0
-      t.integer :query_index
-      t.timestamps
-    end
-
-    add_index :hack_user_codes, [:user_id, :hack_id, :query_index], unique: true
-  end
-end
diff --git a/db/migrate/20191112010611_create_hack_user_lastest_codes.rb b/db/migrate/20191112010611_create_hack_user_lastest_codes.rb
deleted file mode 100644
index 9c5227a54..000000000
--- a/db/migrate/20191112010611_create_hack_user_lastest_codes.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class CreateHackUserLastestCodes < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_user_lastest_codes do |t|
-      t.references :user
-      t.references :hack
-      t.text :code
-
-      t.timestamps
-    end
-    add_index :hack_user_lastest_codes, [:user_id, :hack_id], unique: true
-  end
-end
diff --git a/db/migrate/20191112012007_create_hack_user_debugs.rb b/db/migrate/20191112012007_create_hack_user_debugs.rb
deleted file mode 100644
index 8027c3dc6..000000000
--- a/db/migrate/20191112012007_create_hack_user_debugs.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class CreateHackUserDebugs < ActiveRecord::Migration[5.2]
-  def change
-    create_table :hack_user_debugs do |t|
-      t.references :user
-      t.references :hack
-      t.text :output
-      t.text :input
-      t.text :error_msg
-      t.integer :error_line
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20191112023111_add_defualt_for_hacks.rb b/db/migrate/20191112023111_add_defualt_for_hacks.rb
deleted file mode 100644
index 41c1a71fa..000000000
--- a/db/migrate/20191112023111_add_defualt_for_hacks.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddDefualtForHacks < ActiveRecord::Migration[5.2]
-  def change
-    change_column :hacks, :status, :integer, :default => 0
-    change_column :hacks, :open_or_not, :boolean, :default => true
-    change_column :hack_user_codes, :status, :integer, :default => 0
-  end
-end
diff --git a/db/migrate/20191112100418_migrate_gcc_project_team.rb b/db/migrate/20191112100418_migrate_gcc_project_team.rb
deleted file mode 100644
index 633f25c62..000000000
--- a/db/migrate/20191112100418_migrate_gcc_project_team.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-class MigrateGccProjectTeam < ActiveRecord::Migration[5.2]
-  def change
-    competition = Competition.find_by(id: 8)
-    if competition
-      competition.competition_teams.destroy_all
-      all_login = [['mu2pwryse', 'pljq3f9xp', 'pfx7gfmiz'], ['p9rs7xtfl', 'prx72s8uc', 'plezci23p', 'pjysrikw7'], ['m40352189', 'p05394287'],
-                   ['m9ozhx83t', 'p05296348'], ['p35490268', 'p48921607', 'p24019738'], ['p29165708', 'm43960821']]
-      all_login.each do |user_login|
-        leader = User.find_by(login: user_login.first)
-        next if leader.blank?
-        team = CompetitionTeam.create!(name: "#{leader.real_name}组", user_id: leader.id, competition_id: 8)
-        team.generate_invite_code
-        team.save!
-        team.team_members.create!(user_id: leader.id, competition_id: competition.id, role: 1, is_teacher: 0)
-
-        user_login.each_with_index do |user_login, index|
-          if index > 0
-            user = User.find_by(login: user_login)
-            team.team_members.create!(user_id: user.id, competition_id: competition.id, role: 2, is_teacher: 0)
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/db/migrate/20191112100820_add_score_for_hacks.rb b/db/migrate/20191112100820_add_score_for_hacks.rb
deleted file mode 100644
index b4a3657f7..000000000
--- a/db/migrate/20191112100820_add_score_for_hacks.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddScoreForHacks < ActiveRecord::Migration[5.2]
-  def change
-    add_column :hacks, :score, :integer
-  end
-end
diff --git a/db/migrate/20191113013258_gcc_course_competition_rank_data.rb b/db/migrate/20191113013258_gcc_course_competition_rank_data.rb
deleted file mode 100644
index 344d8061c..000000000
--- a/db/migrate/20191113013258_gcc_course_competition_rank_data.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class GccCourseCompetitionRankData < ActiveRecord::Migration[5.2]
-  def change
-    competition = Competition.find_by(identifier: 'gcc-course-2019')
-    stage = competition.competition_stages.first
-    return if competition.blank? || stage.blank?
-
-    competition.competition_scores.update_all(competition_stage_id: stage.id)
-  end
-end
diff --git a/db/migrate/20191113061866_add_status_end_time_for_hack_user_lastest_code.rb b/db/migrate/20191113061866_add_status_end_time_for_hack_user_lastest_code.rb
deleted file mode 100644
index fb8fe8a61..000000000
--- a/db/migrate/20191113061866_add_status_end_time_for_hack_user_lastest_code.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-class AddStatusEndTimeForHackUserLastestCode < ActiveRecord::Migration[5.2]
-  def change
-    add_column :hack_user_lastest_codes, :passed, :boolean, :default => false
-    add_column :hack_user_lastest_codes, :pass_time, :timestamp
-    add_column :hack_user_lastest_codes, :identifier, :string
-    add_column :hack_user_lastest_codes, :language, :string
-    add_column :hack_user_debugs, :hack_user_lastest_code_id, :integer
-    add_column :hacks, :hack_user_lastest_codes_count, :integer, :default => 0
-    add_column :hacks, :pass_num, :integer, :default => 0
-    add_column :hacks, :submit_num, :integer, :default => 0
-    add_column :hack_user_codes, :input, :text
-    add_index :hack_user_lastest_codes, :user_id, name: "user_index"
-    add_index :hack_user_lastest_codes, :hack_id, name: "hack_index"
-    add_index :hack_user_lastest_codes, :identifier, unique: true
-    add_index :hack_user_debugs, :hack_user_lastest_code_id, unique: true
-    add_column :hack_user_lastest_codes, :submit_status, :integer, :default => 0
-    add_column :hack_user_lastest_codes, :status, :integer
-    add_column :hack_user_lastest_codes, :passed_time, :timestamp
-    add_column :hack_user_debugs, :status, :integer
-
-    add_column :hack_user_codes, :execute_time, :integer
-    add_column :hack_user_codes, :execute_memory, :integer
-    add_column :hack_user_debugs, :execute_time, :integer
-    add_column :hack_user_debugs, :execute_memory, :integer
-
-  end
-end
diff --git a/db/migrate/20191114073028_add_sticky_to_course_members.rb b/db/migrate/20191114073028_add_sticky_to_course_members.rb
deleted file mode 100644
index d61b9df66..000000000
--- a/db/migrate/20191114073028_add_sticky_to_course_members.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddStickyToCourseMembers < ActiveRecord::Migration[5.2]
-  def change
-    add_column :course_members, :sticky, :boolean, default: 0
-    add_column :course_members, :sticky_time, :datetime
-  end
-end
diff --git a/db/migrate/20191115011229_add_laboratory_id_to_courses.rb b/db/migrate/20191115011229_add_laboratory_id_to_courses.rb
deleted file mode 100644
index 4ac60026f..000000000
--- a/db/migrate/20191115011229_add_laboratory_id_to_courses.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLaboratoryIdToCourses < ActiveRecord::Migration[5.2]
-  def change
-    add_reference :courses, :laboratory, null: true
-  end
-end
diff --git a/db/migrate/20191115012535_add_laboratory_id_to_competitions.rb b/db/migrate/20191115012535_add_laboratory_id_to_competitions.rb
deleted file mode 100644
index 0d88e92d7..000000000
--- a/db/migrate/20191115012535_add_laboratory_id_to_competitions.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLaboratoryIdToCompetitions < ActiveRecord::Migration[5.2]
-  def change
-    add_reference :competitions, :laboratory
-  end
-end
diff --git a/db/migrate/20191115053209_add_laboratory_id_to_users.rb b/db/migrate/20191115053209_add_laboratory_id_to_users.rb
deleted file mode 100644
index 3e02a8e17..000000000
--- a/db/migrate/20191115053209_add_laboratory_id_to_users.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLaboratoryIdToUsers < ActiveRecord::Migration[5.2]
-  def change
-    add_reference :users, :laboratory
-  end
-end
diff --git a/db/migrate/20191115060527_add_copy_from_for_subjects.rb b/db/migrate/20191115060527_add_copy_from_for_subjects.rb
deleted file mode 100644
index 41c282cc4..000000000
--- a/db/migrate/20191115060527_add_copy_from_for_subjects.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCopyFromForSubjects < ActiveRecord::Migration[5.2]
-  def change
-    add_column :subjects, :copy_subject_id, :integer
-  end
-end
diff --git a/db/migrate/20191115070508_add_laboratory_id_to_libraries.rb b/db/migrate/20191115070508_add_laboratory_id_to_libraries.rb
deleted file mode 100644
index f067908fc..000000000
--- a/db/migrate/20191115070508_add_laboratory_id_to_libraries.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLaboratoryIdToLibraries < ActiveRecord::Migration[5.2]
-  def change
-    add_reference :libraries, :laboratory
-  end
-end
diff --git a/db/migrate/20191115070841_transfer_laboratory_data.rb b/db/migrate/20191115070841_transfer_laboratory_data.rb
deleted file mode 100644
index 4812ade30..000000000
--- a/db/migrate/20191115070841_transfer_laboratory_data.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class TransferLaboratoryData < ActiveRecord::Migration[5.2]
-  def change
-    Course.where(laboratory_id: nil).update_all(laboratory_id: 1)
-    Competition.where(laboratory_id: nil).update_all(laboratory_id: 1)
-    Library.where(laboratory_id: nil).update_all(laboratory_id: 1)
-  end
-end
diff --git a/db/migrate/20191115121529_add_laborary_id_for_shixun.rb b/db/migrate/20191115121529_add_laborary_id_for_shixun.rb
deleted file mode 100644
index ea67d19d4..000000000
--- a/db/migrate/20191115121529_add_laborary_id_for_shixun.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLaboraryIdForShixun < ActiveRecord::Migration[5.2]
-  def change
-    add_column :shixuns, :laboratory_id, :integer
-  end
-end
diff --git a/db/migrate/20191118113842_add_hack_user_lastest_code_id_for_hack_user_code.rb b/db/migrate/20191118113842_add_hack_user_lastest_code_id_for_hack_user_code.rb
deleted file mode 100644
index a3602d402..000000000
--- a/db/migrate/20191118113842_add_hack_user_lastest_code_id_for_hack_user_code.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class AddHackUserLastestCodeIdForHackUserCode < ActiveRecord::Migration[5.2]
-  def change
-    add_column :hack_user_codes, :hack_user_lastest_code_id, :integer
-    add_index :hack_user_codes, :hack_user_lastest_code_id
-
-  end
-end
diff --git a/db/migrate/20191119064245_add_sync_course_to_laboratory_settings.rb b/db/migrate/20191119064245_add_sync_course_to_laboratory_settings.rb
deleted file mode 100644
index f11b501f0..000000000
--- a/db/migrate/20191119064245_add_sync_course_to_laboratory_settings.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddSyncCourseToLaboratorySettings < ActiveRecord::Migration[5.2]
-  def change
-    add_column :laboratories, :sync_course, :boolean, default: 0
-  end
-end
diff --git a/db/migrate/20191120012538_remove_pass_time_for_hack_user_lastest_codes.rb b/db/migrate/20191120012538_remove_pass_time_for_hack_user_lastest_codes.rb
deleted file mode 100644
index 48063b9a2..000000000
--- a/db/migrate/20191120012538_remove_pass_time_for_hack_user_lastest_codes.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class RemovePassTimeForHackUserLastestCodes < ActiveRecord::Migration[5.2]
-  def change
-    remove_column :hack_user_lastest_codes, :pass_time
-    add_column :hack_user_codes, :expected_output, :text
-  end
-end
diff --git a/db/migrate/20191120080224_migrate_eff_score_default.rb b/db/migrate/20191120080224_migrate_eff_score_default.rb
deleted file mode 100644
index 0561eb646..000000000
--- a/db/migrate/20191120080224_migrate_eff_score_default.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class MigrateEffScoreDefault < ActiveRecord::Migration[5.2]
-  def change
-    change_column :homework_commons, :eff_score, :float, default: 0
-  end
-end
diff --git a/db/migrate/20191120123353_add_code_forhack_user_debugs.rb b/db/migrate/20191120123353_add_code_forhack_user_debugs.rb
deleted file mode 100644
index d3285f26b..000000000
--- a/db/migrate/20191120123353_add_code_forhack_user_debugs.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCodeForhackUserDebugs < ActiveRecord::Migration[5.2]
-  def change
-    add_column :hack_user_debugs, :code, :text
-  end
-end
diff --git a/db/migrate/20191121025552_modify_execute_time_for_hack_user_code.rb b/db/migrate/20191121025552_modify_execute_time_for_hack_user_code.rb
deleted file mode 100644
index c66e13a03..000000000
--- a/db/migrate/20191121025552_modify_execute_time_for_hack_user_code.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class ModifyExecuteTimeForHackUserCode < ActiveRecord::Migration[5.2]
-  def change
-    change_column :hack_user_debugs, :execute_time, :float
-    change_column :hack_user_codes, :execute_time, :float
-  end
-end
diff --git a/db/migrate/20191129064841_add_sync_shixun_subject_to_laboratory.rb b/db/migrate/20191129064841_add_sync_shixun_subject_to_laboratory.rb
deleted file mode 100644
index 698e0d9f3..000000000
--- a/db/migrate/20191129064841_add_sync_shixun_subject_to_laboratory.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class AddSyncShixunSubjectToLaboratory < ActiveRecord::Migration[5.2]
-  def change
-    add_column :laboratories, :sync_subject, :boolean, default: 0
-    add_column :laboratories, :sync_shixun, :boolean, default: 0
-  end
-end
diff --git a/db/migrate/20191203032557_add_uniq_index_to_exercise_answer.rb b/db/migrate/20191203032557_add_uniq_index_to_exercise_answer.rb
deleted file mode 100644
index 8104d336a..000000000
--- a/db/migrate/20191203032557_add_uniq_index_to_exercise_answer.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class AddUniqIndexToExerciseAnswer < ActiveRecord::Migration[5.2]
-  def change
-    # remove_index :exercise_answers, column: [:exercise_question_id, :user_id]
-    #
-    # change_column_default :exercise_answers, :exercise_choice_id, from: nil, to: -1
-    # ExerciseAnswer.where(exercise_choice_id: nil).update_all(exercise_choice_id: -1)
-
-    # sql = %Q(delete from exercise_answers where (exercise_question_id, user_id, exercise_choice_id) in
-    #         (select * from (select exercise_question_id, user_id, exercise_choice_id from exercise_answers group by exercise_question_id, user_id, exercise_choice_id having count(*) > 1) a)
-    #         and id not in (select * from (select min(id) from exercise_answers group by exercise_question_id, user_id, exercise_choice_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :exercise_answers, [:exercise_question_id, :user_id, :exercise_choice_id], name: 'exercise_choice_index', unique: true
-
-
-  end
-end
diff --git a/db/migrate/20191203040140_add_uniq_index_to_poll_votes.rb b/db/migrate/20191203040140_add_uniq_index_to_poll_votes.rb
deleted file mode 100644
index 971e74b9e..000000000
--- a/db/migrate/20191203040140_add_uniq_index_to_poll_votes.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-class AddUniqIndexToPollVotes < ActiveRecord::Migration[5.2]
-  def change
-    # remove_index :poll_votes, column: [:poll_question_id, :user_id]
-    #
-    # change_column_default :poll_votes, :poll_question_id, from: nil, to: -1
-    # PollVote.where(poll_answer_id: nil).update_all(poll_answer_id: -1)
-    #
-    # sql = %Q(delete from poll_votes where (poll_question_id, user_id, poll_answer_id) in
-    #         (select * from (select poll_question_id, user_id, poll_answer_id from poll_votes group by poll_question_id, user_id, poll_answer_id having count(*) > 1) a)
-    #         and id not in (select * from (select min(id) from poll_votes group by poll_question_id, user_id, poll_answer_id having count(*) > 1 order by id) b))
-    # ActiveRecord::Base.connection.execute sql
-    #
-    # add_index :poll_votes, [:poll_question_id, :user_id, :poll_answer_id], name: 'poll_answer_index', unique: true
-
-  end
-end
diff --git a/db/migrate/20191203122643_add_index_to_exercise_answers.rb b/db/migrate/20191203122643_add_index_to_exercise_answers.rb
deleted file mode 100644
index 16647f2ac..000000000
--- a/db/migrate/20191203122643_add_index_to_exercise_answers.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexToExerciseAnswers < ActiveRecord::Migration[5.2]
-  def change
-    add_index :exercise_answers, [:exercise_question_id, :user_id], name: "index_on_question_id_user_id"
-  end
-end
diff --git a/db/migrate/20191203124903_add_index_to_exercise_choice.rb b/db/migrate/20191203124903_add_index_to_exercise_choice.rb
deleted file mode 100644
index 1babae48d..000000000
--- a/db/migrate/20191203124903_add_index_to_exercise_choice.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-class AddIndexToExerciseChoice < ActiveRecord::Migration[5.2]
-  def change
-    change_column_default :exercise_answers, :exercise_choice_id, from: nil, to: -1
-    ExerciseAnswer.where(exercise_choice_id: nil).update_all(exercise_choice_id: -1)
-
-    sql = %Q(delete from exercise_answers where (exercise_question_id, user_id, exercise_choice_id) in
-            (select * from (select exercise_question_id, user_id, exercise_choice_id from exercise_answers group by exercise_question_id, user_id, exercise_choice_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from exercise_answers group by exercise_question_id, user_id, exercise_choice_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-
-    add_index :exercise_answers, [:exercise_question_id, :user_id, :exercise_choice_id], name: 'exercise_choice_index', unique: true
-
-    remove_index :exercise_answers, name: :index_on_question_id_user_id
-
-  end
-end
diff --git a/db/migrate/20191203124938_add_index_to_poll_answer.rb b/db/migrate/20191203124938_add_index_to_poll_answer.rb
deleted file mode 100644
index 66319c14e..000000000
--- a/db/migrate/20191203124938_add_index_to_poll_answer.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-class AddIndexToPollAnswer < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :poll_votes, column: [:poll_question_id, :user_id]
-
-    change_column_default :poll_votes, :poll_question_id, from: nil, to: -1
-    PollVote.where(poll_answer_id: nil).update_all(poll_answer_id: -1)
-
-    sql = %Q(delete from poll_votes where (poll_question_id, user_id, poll_answer_id) in
-            (select * from (select poll_question_id, user_id, poll_answer_id from poll_votes group by poll_question_id, user_id, poll_answer_id having count(*) > 1) a)
-            and id not in (select * from (select min(id) from poll_votes group by poll_question_id, user_id, poll_answer_id having count(*) > 1 order by id) b))
-    ActiveRecord::Base.connection.execute sql
-
-    add_index :poll_votes, [:poll_question_id, :user_id, :poll_answer_id], name: 'poll_answer_index', unique: true
-  end
-end

From 3b9a03812d1d0df7c35483c1fafb91bfd8238fba Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 16:04:31 +0800
Subject: [PATCH 2/7] ADD create file

---
 app/controllers/application_controller.rb     |   6 +-
 app/controllers/contents_controller.rb        |  22 +-
 app/forms/contents/delete_form.rb             |   6 +
 app/forms/contents/update_form.rb             |  13 +
 .../gitea/delete_file_interactor.rb           |  65 +++++
 .../gitea/update_file_interactor.rb           |  69 +++++
 app/services/gitea/api_service.rb             |  32 ---
 app/services/gitea/client_service.rb          |   8 +
 .../repository/entries/delete_service.rb      |  42 +++
 .../repository/entries/update_service.rb      |  43 +++
 app/views/contents/delete_file.json.jbuilder  |   6 +
 app/views/contents/update_file.json.jbuilder  |  10 +
 config/routes.rb                              | 262 +-----------------
 13 files changed, 280 insertions(+), 304 deletions(-)
 create mode 100644 app/forms/contents/delete_form.rb
 create mode 100644 app/forms/contents/update_form.rb
 create mode 100644 app/interactors/gitea/delete_file_interactor.rb
 create mode 100644 app/interactors/gitea/update_file_interactor.rb
 delete mode 100644 app/services/gitea/api_service.rb
 create mode 100644 app/services/gitea/repository/entries/delete_service.rb
 create mode 100644 app/services/gitea/repository/entries/update_service.rb
 create mode 100644 app/views/contents/delete_file.json.jbuilder
 create mode 100644 app/views/contents/update_file.json.jbuilder

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 843be8bbb..57b9e45ef 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -328,7 +328,7 @@ class ApplicationController < ActionController::Base
 
 	def current_user
 		# User.current
-		User.find_by_id 36390
+		User.find_by_id 36401
 	end
 
 	## 默认输出json
@@ -629,12 +629,12 @@ class ApplicationController < ActionController::Base
 
 	def find_user
 		@user = User.find_by_login params[:login]
-    render_not_found unless @user
+    render_not_found("未找到’#{params[:login]}’相关的用户") unless @user
 	end
 
 	def find_repository
 		@repo = @user.repositories.find_by_identifier params[:repo_identifier]
-    render_not_found unless @repo
+    render_not_found("未找到’#{params[:repo_identifier]}’相关的项目") unless @repo
 	end
 
   private
diff --git a/app/controllers/contents_controller.rb b/app/controllers/contents_controller.rb
index 151470524..411747f45 100644
--- a/app/controllers/contents_controller.rb
+++ b/app/controllers/contents_controller.rb
@@ -1,26 +1,32 @@
 class ContentsController < ApplicationController
   before_action :find_user, :find_repository
-  before_action :require_login, only: %i[create]
+  before_action :require_login, only: %i[create update_file delete_file]
 
   def create
-    # request_params = {user: @user, repo_name: @repo.identifier, filepath: params[:filepath]}
-    logger.info "current_user ----> #{current_user.login}"
-    @user =  current_user
-    interactor = Gitea::CreateFileInteractor.call(@user, content_params)
+    interactor = Gitea::CreateFileInteractor.call(current_user, content_params)
     if interactor.success?
       @file = interactor.result
-      logger.info "@file ========> #{@file}"
     else
       render_error(interactor.error)
     end
   end
 
   def update_file
-
+    interactor = Gitea::UpdateFileInteractor.call(current_user, params)
+    if interactor.success?
+      @file = interactor.result
+    else
+      render_error(interactor.error)
+    end
   end
 
   def delete_file
-
+    interactor = Gitea::DeleteFileInteractor.call(current_user, params)
+    if interactor.success?
+      @file = interactor.result
+    else
+      render_error(interactor.error)
+    end
   end
 
   private
diff --git a/app/forms/contents/delete_form.rb b/app/forms/contents/delete_form.rb
new file mode 100644
index 000000000..f3f060ab6
--- /dev/null
+++ b/app/forms/contents/delete_form.rb
@@ -0,0 +1,6 @@
+class Contents::DeleteForm < BaseForm
+  attr_accessor :login, :repo_identifier, :filepath, :branch, :new_branch, :sha
+
+  validates :login, :repo_identifier, :filepath, :sha, presence: true
+
+end
diff --git a/app/forms/contents/update_form.rb b/app/forms/contents/update_form.rb
new file mode 100644
index 000000000..f5b4a2480
--- /dev/null
+++ b/app/forms/contents/update_form.rb
@@ -0,0 +1,13 @@
+class Contents::UpdateForm < BaseForm
+  attr_accessor :login, :repo_identifier, :filepath, :branch, :new_branch, :sha
+
+  validates :login, :repo_identifier, :filepath, :sha, presence: true
+
+  validate :check_branch
+
+  def check_branch
+    raise "branch和new_branch必须存在一个 " if branch.blank? && new_branch.blank?
+    raise "branch和new_branch只能存在一个" if !branch.blank? && !new_branch.blank?
+  end
+
+end
diff --git a/app/interactors/gitea/delete_file_interactor.rb b/app/interactors/gitea/delete_file_interactor.rb
new file mode 100644
index 000000000..255ce6d97
--- /dev/null
+++ b/app/interactors/gitea/delete_file_interactor.rb
@@ -0,0 +1,65 @@
+module Gitea
+  class DeleteFileInteractor
+    def self.call(user, params={})
+      interactor = new(user, params)
+      interactor.run
+      interactor
+    end
+
+    attr_reader :error, :result
+
+    def initialize(user, params)
+      @user   = user
+      @params = params
+    end
+
+    def success?
+      @error.nil?
+    end
+
+    def result
+      @result
+    end
+
+    def run
+      Contents::DeleteForm.new(valid_params).validate!
+      response = Gitea::Repository::Entries::DeleteService.new(user, @params[:repo_identifier], @params[:filepath], file_params).call
+      render_result(response)
+    rescue Exception => exception
+      fail!(exception.message)
+    end
+
+    private
+
+    attr_reader :params, :user
+
+    def fail!(error)
+      puts "[exception]: error"
+      @error = error
+    end
+
+    def render_result(response)
+      if response.status == 200
+        @result = JSON.parse(response.body)
+      end
+    end
+
+    def valid_params
+      {
+        login: @params[:login],
+        repo_identifier: @params[:repo_identifier],
+        filepath: @params[:filepath],
+        sha: @params[:sha]
+      }
+    end
+
+    def file_params
+      Hash.new.merge(
+        branch: @params[:branch],
+        sha: @params[:sha],
+        new_branch: @params[:new_branch],
+        message: @params[:message],
+      ).compact
+    end
+  end
+end
diff --git a/app/interactors/gitea/update_file_interactor.rb b/app/interactors/gitea/update_file_interactor.rb
new file mode 100644
index 000000000..814bc0cc7
--- /dev/null
+++ b/app/interactors/gitea/update_file_interactor.rb
@@ -0,0 +1,69 @@
+module Gitea
+  class UpdateFileInteractor
+    def self.call(user, params={})
+      interactor = new(user, params)
+      interactor.run
+      interactor
+    end
+
+    attr_reader :error, :result
+
+    def initialize(user, params)
+      @user   = user
+      @params = params
+    end
+
+    def success?
+      @error.nil?
+    end
+
+    def result
+      @result
+    end
+
+    def run
+      Contents::UpdateForm.new(valid_params).validate!
+      response = Gitea::Repository::Entries::UpdateService.new(user, @params[:repo_identifier], @params[:filepath], file_params).call
+      render_result(response)
+    rescue Exception => exception
+      fail!(exception.message)
+    end
+
+    private
+
+    attr_reader :params, :user
+
+    def fail!(error)
+      puts "[exception]: error"
+      @error = error
+    end
+
+    def render_result(response)
+      if response.status == 200
+        @result = JSON.parse(response.body)
+      end
+    end
+
+    def valid_params
+      {
+        login: @params[:login],
+        repo_identifier: @params[:repo_identifier],
+        filepath: @params[:filepath],
+        branch: @params[:branch],
+        new_branch: @params[:new_branch],
+        sha: @params[:sha]
+      }
+    end
+
+    def file_params
+      Hash.new.merge(
+        branch: @params[:branch],
+        sha: @params[:sha],
+        new_branch: @params[:new_branch],
+        from_path: @params[:from_path],
+        message: @params[:message],
+        content: Base64.encode64(@params[:content])
+      ).compact
+    end
+  end
+end
diff --git a/app/services/gitea/api_service.rb b/app/services/gitea/api_service.rb
deleted file mode 100644
index a849ae6c5..000000000
--- a/app/services/gitea/api_service.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-class Gitea::APIService < ApplicationService
-
-  def self.render_status(response)
-    mark = " --from gitea platform."
-    case response.status
-    when 201
-      JSON.parse(response&.body)
-    when 401
-      raise Error, "401 Unauthorized from gitea #{mark}"
-    when 403, 422
-      body = JSON.parse(response&.body)
-      raise Error, body['message'] + mark
-    else
-      false
-    end
-  end
-
-  def self.base_url
-    Gitea.gitea_config[:base_url]
-  end
-
-  def self.domain
-    Gitea.gitea_config[:domain]
-  end
-
-  private
-
-  def logger
-    Rails.logger
-  end
-
-end
diff --git a/app/services/gitea/client_service.rb b/app/services/gitea/client_service.rb
index c5d7f8dfd..767754bf7 100644
--- a/app/services/gitea/client_service.rb
+++ b/app/services/gitea/client_service.rb
@@ -61,6 +61,14 @@ class Gitea::ClientService < ApplicationService
     render_status(response)
   end
 
+  def put(url, params={})
+    puts "[gitea] put request params: #{params}"
+    conn(authen_params(params[:token])).put do |req|
+      req.url full_url(url)
+      req.body = params[:data].to_json
+    end
+  end
+
   private
   def conn(auth={})
     username = auth[:username] || access_key_id
diff --git a/app/services/gitea/repository/entries/delete_service.rb b/app/services/gitea/repository/entries/delete_service.rb
new file mode 100644
index 000000000..cfc79a5b6
--- /dev/null
+++ b/app/services/gitea/repository/entries/delete_service.rb
@@ -0,0 +1,42 @@
+class Gitea::Repository::Entries::DeleteService < Gitea::ClientService
+  attr_reader :user, :repo_name, :filepath, :body
+
+  # ref: The name of the commit/branch/tag. Default the repository’s default branch (usually master)
+  # filepath: path of the dir, file, symlink or submodule in the repo
+  # repo_name: the name of repository
+  # body:
+  # {
+  #   "author": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "branch": "string",
+  #   "committer": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "message": "string",
+  #   "new_branch": "string",
+  #   "sha": "string", #require
+  # }
+  def initialize(user, repo_name, filepath, body)
+    @user      = user
+    @repo_name = repo_name
+    @filepath  = filepath
+    @body      = body
+  end
+
+  def call
+    delete(url, params)
+  end
+
+  private
+  def params
+    Hash.new.merge(token: user.gitea_token, data: body)
+  end
+
+  def url
+    "/repos/#{user.login}/#{repo_name}/contents/#{filepath}".freeze
+  end
+
+end
diff --git a/app/services/gitea/repository/entries/update_service.rb b/app/services/gitea/repository/entries/update_service.rb
new file mode 100644
index 000000000..3f0ddf944
--- /dev/null
+++ b/app/services/gitea/repository/entries/update_service.rb
@@ -0,0 +1,43 @@
+class Gitea::Repository::Entries::UpdateService < Gitea::ClientService
+  attr_reader :user, :repo_name, :filepath, :body
+
+  # ref: The name of the commit/branch/tag. Default the repository’s default branch (usually master)
+  # filepath: path of the dir, file, symlink or submodule in the repo
+  # repo_name: the name of repository
+  # body:
+  # {
+  #   "author": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "branch": "string",
+  #   "committer": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "content": "string", # content must be base64 encoded
+  #   "message": "string",
+  #   "new_branch": "string"
+  # }
+  #
+  def initialize(user, repo_name, filepath, body)
+    @user      = user
+    @repo_name = repo_name
+    @filepath  = filepath
+    @body      = body
+  end
+
+  def call
+    put(url, params)
+  end
+
+  private
+  def params
+    Hash.new.merge(token: user.gitea_token, data: body)
+  end
+
+  def url
+    "/repos/#{user.login}/#{repo_name}/contents/#{filepath}".freeze
+  end
+
+end
diff --git a/app/views/contents/delete_file.json.jbuilder b/app/views/contents/delete_file.json.jbuilder
new file mode 100644
index 000000000..988dd201c
--- /dev/null
+++ b/app/views/contents/delete_file.json.jbuilder
@@ -0,0 +1,6 @@
+json.commit do
+  json.sha @file['commit']['sha']
+  json.message @file['commit']['message']
+  json.author @file['commit']['author']
+  json.committer @file['commit']['committer']
+end
diff --git a/app/views/contents/update_file.json.jbuilder b/app/views/contents/update_file.json.jbuilder
new file mode 100644
index 000000000..3c842dcce
--- /dev/null
+++ b/app/views/contents/update_file.json.jbuilder
@@ -0,0 +1,10 @@
+json.name @file['content']['name']
+json.sha @file['content']['sha']
+json.size @file['content']['size']
+json.content @file['content']['content']
+json.encoding @file['content']['encoding']
+json.commit do
+  json.message @file['commit']['message']
+  json.author @file['commit']['author']
+  json.committer @file['commit']['committer']
+end
diff --git a/config/routes.rb b/config/routes.rb
index fbaae68ac..7926ff9a9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -78,7 +78,7 @@ Rails.application.routes.draw do
     resources :repositories, path: '/:login/:repo_identifier', only: [:index] do
       collection do
         get :entries
-        get :sub_entries
+        match :sub_entries, :via => [:get, :put]
         get :commits
         get :single_commit
         post :files
@@ -419,266 +419,6 @@ Rails.application.routes.draw do
       end
     end
 
-    resources :courses do
-      member do
-        get 'settings', :action => 'settings', :as => 'settings'
-        post 'set_invite_code_halt'
-        post 'set_public_or_private'
-        post 'search_teacher_candidate'
-        post 'add_teacher'
-        post 'create_graduation_group'
-        post 'join_graduation_group'
-        post 'set_course_group'
-        post 'change_course_admin'
-        post 'change_member_role'
-        post 'change_course_teacher'
-        post 'delete_course_teacher'
-        post 'teacher_application_review'
-        post 'transfer_to_course_group'
-        post 'delete_from_course'
-        post 'add_students_by_search'
-        post 'create_group_by_importing_file'
-        post 'duplicate_course'
-        post 'visits_plus_one'
-        get 'get_historical_courses'
-        get 'get_historical_course_students'
-        get 'course_group_list'
-        get 'add_teacher_popup'
-        get 'teachers'
-        get 'apply_teachers'
-        get 'graduation_group_list'
-        get 'top_banner'
-        get 'left_banner'
-        get 'students'
-        get 'all_course_groups'
-        get 'search_users'
-        get 'base_info'
-        get 'attahcment_category_list'
-        get 'export_member_scores_excel'  #导出课堂信息
-        get 'export_couser_info'
-        get 'export_member_act_score'
-        post 'switch_to_teacher'
-        post 'switch_to_assistant'
-        post 'switch_to_student'
-        post 'exit_course'
-        get 'informs'
-        post 'update_informs'
-        post 'new_informs'
-        delete 'delete_informs'
-        get 'online_learning'
-        post 'join_excellent_course'
-        get 'tasks_list'
-        post 'update_task_position'
-        get 'course_groups'
-        post 'join_course_group'
-        get 'work_score'
-        get 'act_score'
-        get 'statistics'
-        post :inform_up
-        post :inform_down
-        get :calculate_all_shixun_scores
-      end
-
-      collection do
-        post 'apply_to_join_course'
-        post 'search_course_list'
-        get 'board_list'
-        get 'mine'
-        get 'search_slim'
-      end
-
-      resources :course_stages, shallow: true do
-        member do
-          post :up_position
-          post :down_position
-        end
-      end
-
-      resources :polls, only:[:index,:new,:create] do
-        collection do
-          post :publish   # 立即发布
-          post :end_poll  # 立即截止
-          post :destroys  # 多个删除
-          post :set_public  # 设置公开
-          post :join_poll_banks  # 加入习题集
-          get :my_polls  #我的问卷题库
-          get :public_polls # 公共问卷题库
-          get :publish_modal # 立即发布弹窗内容
-          get :end_poll_modal  # 立即截止弹窗内容
-        end
-      end
-
-      resources :homework_commons, shallow: true do
-
-        member do
-          get :group_list
-          post :homework_code_repeat
-          get :code_review_results
-          get :code_review_detail
-          post :update_explanation
-          get :show_comment
-          get :settings
-          post :update_settings
-          match 'works_list', :via => [:get, :post]
-          # post :works_list
-          get :reference_answer
-          get :publish_groups
-          get :end_groups
-          post :alter_name
-          get :update_score
-          get :update_student_score
-        end
-
-        collection do
-          post 'create_shixun_homework'
-          match 'shixuns', via: [:get, :post]
-          match 'subjects', via: [:get, :post]
-          post 'create_subject_homework'
-          post 'publish_homework'
-          post 'end_homework'
-          post 'set_public'
-          post 'move_to_category'
-          get 'choose_category'
-          post 'multi_destroy'
-          post 'add_to_homework_bank'
-        end
-
-        resources :student_works do
-          member do
-            get :shixun_work
-            get :shixun_work_report
-            post :adjust_review_score
-            get :commit_des
-            post :update_des
-            post :adjust_score
-            post :add_score
-            post :add_score_reply
-            delete :destroy_score
-            delete :destroy_score_reply
-            get :comment_list
-            get :supply_attachments
-            post :revise_attachment
-            delete :destroy_score
-            post :appeal_anonymous_score
-            post :deal_appeal_score
-            post :cancel_appeal
-            get :export_shixun_work_report
-            post :shixun_work_comment
-            delete :destroy_work_comment
-          end
-
-          collection do
-            get :search_member_list
-            get :check_project
-            get :cancel_relate_project
-            post :relate_project
-            delete :delete_work
-          end
-        end
-      end
-
-
-      resources :boards, shallow: true do
-        resources :messages do
-          collection do
-            delete :bulk_delete
-            put :bulk_move
-            post :bulk_send
-            put :bulk_public
-          end
-
-          member do
-            get :reply_list
-            put :sticky_top
-            post :reply
-          end
-        end
-        member do
-          post 'move_category'
-        end
-      end
-
-      resources :exercises ,only:[:index,:new,:create] do
-        collection do
-          get :my_exercises #我的试卷题库
-          get :public_exercises # 公共试卷题库
-          get :publish_modal # 立即发布弹窗内容
-          get :end_modal  # 立即截止弹窗内容
-          post :destroys
-          post :set_public  # 设置公开
-          post :join_exercise_banks  # 加入习题集
-          post :publish   # 立即发布
-          post :end_exercise  # 立即截止
-        end
-      end
-
-      resources :course_groups, shallow: true do
-        member do
-          post 'rename_group'
-          post 'move_category'
-        end
-
-        collection do
-        end
-      end
-
-      resources :graduation_topics do
-        member do
-          post :refuse_student_topic
-          post :accept_student_topic
-          post :student_select_topic
-          post :student_cancel_topic
-          get :show_detail
-          get :show_comment
-        end
-        collection do
-          delete :destroys
-          post :set_public
-          get :export
-          post :add_to_bank
-        end
-      end
-
-      resources :graduation_tasks, shallow: true do
-        resources :graduation_works do
-          collection do
-            post 'search_member_list'
-            get 'check_project'
-            post 'relate_project'
-            get 'cancel_relate_project'
-            post 'revise_attachment'
-            delete 'delete_work'
-          end
-
-          member do
-            get 'comment_list'
-            post 'add_score'
-            post 'adjust_score'
-            delete 'delete_score'
-            get 'supply_attachments'
-            post 'revise_attachment'
-            post :assign_teacher
-          end
-        end
-        member do
-          get 'settings'
-          post 'update_settings'
-          get 'tasks_list'
-          get :show_comment
-          get :cross_comment_setting
-          post :assign_works
-          post :commit_comment_setting
-        end
-
-        collection do
-          post 'set_public'
-          delete 'multi_destroy'
-          post 'publish_task'
-          post 'end_task'
-          post 'add_to_bank'
-        end
-      end
-    end
 
     resources :polls,except:[:index,:new,:create] do
       member do

From 4180ded94e7c514f5ffd60fa6b1bf798c0f44f0c Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 16:04:48 +0800
Subject: [PATCH 3/7] FIX update api document

---
 README.md | 102 ++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 76 insertions(+), 26 deletions(-)

diff --git a/README.md b/README.md
index 1cf3a9c97..5784f9661 100644
--- a/README.md
+++ b/README.md
@@ -399,15 +399,15 @@ http://localhost:3000/api/18816895620/mirror_demo/entries  | jq
 ```
 ---
 
-#### 获取子目录代码列表
+#### 获取子目录代码列表/编辑某个具体的文件
 ```
-POST api/:login/:repo_identifier/sub_entries
+GET api/:login/:repo_identifier/sub_entries
 ```
 *示例*
 ```
 curl -X GET \
--d "ref=develop" \
--d "filepath=lib/slew.rc" \
+-d "ref=master" \
+-d "filepath=test1_create_file6.rb" \
 http://localhost:3000/api/18816895620/mirror_demo/sub_entries | jq
 ```
 *请求参数说明:*
@@ -416,7 +416,7 @@ http://localhost:3000/api/18816895620/mirror_demo/sub_entries | jq
 -|-|-|-
 |login           |是|string |用户标识(login)  |
 |repo_identifier |是|string |仓库标识(identifier)  |
-|filepath        |是|string |文件夹、文件路径  |
+|filepath        |是|string |文件夹、文件的相对路径  |
 |ref             |否|string |分支名称、tag名称或是提交记录id，默认为master分支  |
 
 
@@ -1083,8 +1083,8 @@ DELETE /api/:login/:repo_identifier/contents
 ```
 curl -X POST \
 -d 'filepath=test1_create_file1.rb' \
--d 'branch=develop' \
--d 'content=ZnNmc2FkZg==' \
+-d 'branch=master' \
+-d 'content=提交的内容' \
 -d 'message=test commit ' \
 http://localhost:3000/api/18816895620/mirror_demo/contents.json | jq
 ```
@@ -1146,14 +1146,18 @@ http://localhost:3000/api/18816895620/mirror_demo/contents.json | jq
 
 ### 更新仓库中的文件
 ```
-DELETE /api/:login/:repo_identifier/contents/files/update
+PUT /api/:login/:repo_identifier/contents/files/update
 ```
 *示例*
 ```
-curl -X DELETE \
--d 'filepath=1' \
--d 'object_type=project' \
-http://localhost:3000/api/118816895620/mirror_demo/contents | jq
+curl -X PUT \
+-d 'filepath=text1.rb' \
+-d 'branch=master' \
+-d 'content=ruby code' \
+-d 'message=更改提交信息' \
+-d 'from_path=text.rb' \
+-d "sha=57426eb21e4ceabdf4b206f022077e0040" \
+http://localhost:3000/api/18816895620/mirror_demo/contents/files/update.json | jq
 ```
 *请求参数说明:*
 
@@ -1161,10 +1165,12 @@ http://localhost:3000/api/118816895620/mirror_demo/contents | jq
 -|-|-|-
 |login          |是|string |用户标识  |
 |repo_identifier|是|string |仓库标识  |
-|filepath       |是|string |文件相对于仓库的路径 |
-|content        |否|string |内容  |
+|filepath       |是|string |文件相对于仓库的路径(或修改后的文件路径) |
+|from_path      |是|string |原文件相对于仓库的路径, 只有当需要修改原文件名称时，才需要该参数 |
+|sha            |是|string |文件的sha标识值 |
+|content        |是|string |内容  |
 |message        |否|string |提交说明 |
-|branch         |否|string |分支名称, branch和new_branch必须存在一个 |
+|branch         |否|string |分支名称, branch和new_branch必须存在一个,且只能存在一个 |
 |new_branch     |否|string |新的分支名称 |
 
 
@@ -1172,14 +1178,40 @@ http://localhost:3000/api/118816895620/mirror_demo/contents | jq
 
 |参数名|类型|说明|
 -|-|-
-|status           |int|0:点赞成功，-1:操作失败，2:表示还未点赞|
+|name        |string|文件名|
+|sha         |string|提交文件的sha值|
+|size        |int|文件大小， 单位：B|
+|content     |string|base64编码后的文件内容|
+|encoding    |string|编码方式|
+|commit      |object||
+|-- message  |string|提交备注说明信息|
+|-- committer|object||
+|---- name   |string|用户名|
+|---- email  |string|用户邮箱|
+|---- date   |string|文件创建时间|
 
 
 返回值
 ```
 {
-  "status": 0,
-  "message": "响应成功"
+  "name": "test1_create_file6.rb",
+  "sha": "57426eb21e4ceabdf4b206f022257e08077e0040",
+  "size": 16,
+  "content": "5o+Q5Lqk55qE5YaF5a65MQ==",
+  "encoding": "base64",
+  "commit": {
+    "message": "更改提交信息\n",
+    "author": {
+      "name": "18816895620",
+      "email": "2456233122@qq.com",
+      "date": "2020-01-08T07:05:15Z"
+    },
+    "committer": {
+      "name": "18816895620",
+      "email": "2456233122@qq.com",
+      "date": "2020-01-08T07:05:15Z"
+    }
+  }
 }
 ```
 ---
@@ -1191,9 +1223,10 @@ DELETE /api/:login/:repo_identifier/contents/files/delete
 *示例*
 ```
 curl -X DELETE \
--d 'filepath=1' \
--d 'object_type=project' \
-http://localhost:3000/api/118816895620/mirror_demo/contents | jq
+-d 'filepath=test1_create_file12.rb' \
+-d 'test delete file' \
+-d 'sha=7b70509105b587e71f5692b9e8ab70851e321f64' \
+http://localhost:3000/api/18816895620/mirror_demo/contents/files/delete | jq
 ```
 *请求参数说明:*
 
@@ -1202,9 +1235,8 @@ http://localhost:3000/api/118816895620/mirror_demo/contents | jq
 |login          |是|string |用户标识  |
 |repo_identifier|是|string |仓库标识  |
 |filepath       |是|string |文件相对于仓库的路径 |
-|content        |否|string |内容  |
 |message        |否|string |提交说明 |
-|branch         |否|string |分支名称, branch和new_branch必须存在一个 |
+|branch         |否|string |分支名称, 默认为master分支|
 |new_branch     |否|string |新的分支名称 |
 
 
@@ -1212,14 +1244,32 @@ http://localhost:3000/api/118816895620/mirror_demo/contents | jq
 
 |参数名|类型|说明|
 -|-|-
-|status           |int|0:点赞成功，-1:操作失败，2:表示还未点赞|
+|sha         |string|提交文件的sha值|
+|commit      |object||
+|-- message  |string|提交备注说明信息|
+|-- committer|object||
+|---- name   |string|用户名|
+|---- email  |string|用户邮箱|
+|---- date   |string|文件创建时间|
 
 
 返回值
 ```
 {
-  "status": 0,
-  "message": "响应成功"
+  "commit": {
+    "sha": "7b70509105b587e71f5692b9e8ab70851e321f64",
+    "message": "Delete 'test1_create_file11.rb'\n",
+    "author": {
+      "name": "18816895620",
+      "email": "2456233122@qq.com",
+      "date": "2020-01-08T07:57:34Z"
+    },
+    "committer": {
+      "name": "18816895620",
+      "email": "2456233122@qq.com",
+      "date": "2020-01-08T07:57:34Z"
+    }
+  }
 }
 ```
 ---

From c6cd3a5720adbc2d6ee4dcd10fc270e47c0276cf Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 17:00:18 +0800
Subject: [PATCH 4/7] ADD get current user info

---
 README.md                           | 32 ++++++++++
 app/controllers/users_controller.rb |  2 +-
 app/views/users/me.json.jbuilder    |  5 ++
 config/routes.rb                    | 97 ++++++++---------------------
 4 files changed, 63 insertions(+), 73 deletions(-)
 create mode 100644 app/views/users/me.json.jbuilder

diff --git a/README.md b/README.md
index 5784f9661..5b5ec27ac 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,38 @@ http://localhost:3000/api/accounts/remote_register  | jq
 ```
 ---
 
+#### 获取当前登录用户信息
+```
+GET api/users/me
+```
+*示例*
+```
+curl -X GET http://localhost:3000/api/users/me  | jq
+```
+
+*返回参数说明:*
+
+|参数名|类型|说明|
+-|-|-
+|user_id       |int   |用户id |
+|username      |string|用户名称|
+|admin         |boolean|是否为管理用户|
+|login         |string|登录名|
+|image_url     |string|用户头像|
+
+
+返回值
+```
+{
+  "username": "18816895620",
+  "login": "18816895620",
+  "user_id": 36401,
+  "image_url": "avatars/User/b",
+  "admin": false
+}
+```
+---
+
 #### 获取项目类别列表(可根据名称搜素)
 ```
 GET api/project_categories
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index f61099627..ea50d278b 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -2,6 +2,7 @@ class UsersController < ApplicationController
 
   before_action :load_user, only: [:show, :homepage_info]
   before_action :check_user_exist, only: [:show, :homepage_info]
+  before_action :require_login, only: %i[me]
 
 
   def show;end
@@ -14,7 +15,6 @@ class UsersController < ApplicationController
 
   def me
     @user = current_user
-    
   end
 
   # 贴吧获取用户信接口
diff --git a/app/views/users/me.json.jbuilder b/app/views/users/me.json.jbuilder
new file mode 100644
index 000000000..925c32e5e
--- /dev/null
+++ b/app/views/users/me.json.jbuilder
@@ -0,0 +1,5 @@
+json.username @user.full_name
+json.login @user.login
+json.user_id @user.id
+json.image_url url_to_avatar(@user)
+json.admin @user.admin
diff --git a/config/routes.rb b/config/routes.rb
index 7926ff9a9..68aa00d8a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -9,8 +9,6 @@ Rails.application.routes.draw do
   get 'auth/qq/callback', to: 'oauth/qq#create'
   get 'auth/failure', to: 'oauth/base#auth_failure'
 
-
-
   resources :edu_settings
   scope '/api' do
     resources :composes do
@@ -74,75 +72,7 @@ Rails.application.routes.draw do
       end
     end
 
-    get '/:login/:repo_identifier', to: 'repositories#show'
-    resources :repositories, path: '/:login/:repo_identifier', only: [:index] do
-      collection do
-        get :entries
-        match :sub_entries, :via => [:get, :put]
-        get :commits
-        get :single_commit
-        post :files
-        get :tags
-      end
-    end
-
-    resources :contents, path: '/:login/:repo_identifier/contents', only: [:create] do
-      collection do
-        put 'files/update', :action => 'update_file'
-        delete 'files/delete', :action => 'delete_file'
-      end
-    end
 
-    # resources :memos do
-    #   member do
-    #     post :sticky_or_cancel
-    #     post :hidden
-    #     get :more_reply
-    #   end
-    #
-    #   collection do
-    #     post :reply
-    #   end
-    # end
-
-    # resources :hacks, path: :problems,  param: :identifier do
-    #   collection do
-    #     get :unpulished_list
-    #   end
-    #   member do
-    #     post :publish
-    #     get :start
-    #     post :update_set
-    #     delete :delete_set
-    #   end
-    #   resources :comments do
-    #     post :reply
-    #   end
-    # end
-
-    # resources :hack_user_lastest_codes, path: :myproblems,  param: :identifier do
-    #   member do
-    #     post :update_code
-    #     get :code_debug
-    #     get :code_submit
-    #     match :listen_result, :via => [:get, :post]
-    #     get :result
-    #     get :submit_records
-    #     post :restore_initial_code
-    #   end
-    #
-    #   collection do
-    #     get :record_detail
-    #   end
-    #
-    #
-    # end
-
-
-    # resources :tem_tests
-    # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
-    #
-    #
     resources :accounts do
 
       collection do
@@ -162,9 +92,7 @@ Rails.application.routes.draw do
         get :homepage_info
       end
 
-
       resources :repositories do
-
       end
 
       collection do
@@ -204,6 +132,31 @@ Rails.application.routes.draw do
         end
       end
     end
+
+    get '/:login/:repo_identifier', to: 'repositories#show'
+    resources :repositories, path: '/:login/:repo_identifier', only: [:index] do
+      collection do
+        get :entries
+        match :sub_entries, :via => [:get, :put]
+        get :commits
+        get :single_commit
+        post :files
+        get :tags
+      end
+    end
+
+    resources :contents, path: '/:login/:repo_identifier/contents', only: [:create] do
+      collection do
+        put 'files/update', :action => 'update_file'
+        delete 'files/delete', :action => 'delete_file'
+      end
+    end
+
+
+
+
+
+
     resources :users_for_private_messages, only: [:index]
 
     resources :myshixuns, param: :identifier, shallow: true do

From 48ea06ec8a9e6696810b4623f72faf7f49287927 Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 19:00:27 +0800
Subject: [PATCH 5/7] FIX updat sub entries api

---
 app/controllers/repositories_controller.rb       | 1 +
 app/views/repositories/sub_entries.json.jbuilder | 8 ++------
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index ef0231c3a..e690c97ab 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -15,6 +15,7 @@ class RepositoriesController < ApplicationController
     interactor = Repositories::EntriesInteractor.call(@user, @repo.identifier, params[:filepath], ref: params[:ref])
     if interactor.success?
       @sub_entries = interactor.result
+      @sub_entries = [] << @sub_entries unless @sub_entries.is_a? Array
     else
       render_error(interactor.error)
     end
diff --git a/app/views/repositories/sub_entries.json.jbuilder b/app/views/repositories/sub_entries.json.jbuilder
index bbce2df50..1f8de1eb7 100644
--- a/app/views/repositories/sub_entries.json.jbuilder
+++ b/app/views/repositories/sub_entries.json.jbuilder
@@ -1,7 +1,3 @@
-if @sub_entries.is_a? Array
-  json.array! @sub_entries do |entry|
-    json.partial! 'repositories/simple_entry', locals: { entry: entry }
-  end
-else
-  json.partial! 'repositories/simple_entry', locals: { entry: @sub_entries }
+json.array! @sub_entries do |entry|
+  json.partial! 'repositories/simple_entry', locals: { entry: entry }
 end

From 9fbc04aa6e1c89ad5c1cfa15a85b25c970e9cdf9 Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 20:30:48 +0800
Subject: [PATCH 6/7] ADD watchers

---
 README.md                                   | 151 ++++++++++++++++++++
 app/controllers/application_controller.rb   |   5 +
 app/controllers/projects_controller.rb      |   4 -
 app/controllers/users/watches_controller.rb |   2 +-
 app/controllers/watchers_controller.rb      |  40 ++++++
 app/helpers/watchers_helper.rb              |   2 +
 app/models/concerns/watchable.rb            |  14 +-
 app/views/watchers/_watcher.json.jbuilder   |   3 +
 app/views/watchers/index.json.jbuilder      |   4 +
 config/routes.rb                            |  11 +-
 10 files changed, 223 insertions(+), 13 deletions(-)
 create mode 100644 app/controllers/watchers_controller.rb
 create mode 100644 app/helpers/watchers_helper.rb
 create mode 100644 app/views/watchers/_watcher.json.jbuilder
 create mode 100644 app/views/watchers/index.json.jbuilder

diff --git a/README.md b/README.md
index 5b5ec27ac..9aeb633d2 100644
--- a/README.md
+++ b/README.md
@@ -1107,6 +1107,157 @@ http://localhost:3000/api/praise_tread/unlike | jq
 ```
 ---
 
+### 项目的点赞者列表
+```
+GET /api/projects/:id/praise_tread
+```
+*示例*
+```
+curl -X GET \
+-d 'object_id=1' \
+-d 'object_type=project' \
+http://localhost:3000/api/projects/mirror_demo/praise_tread | jq
+```
+*请求参数说明:*
+
+|参数名|必选|类型|说明|
+-|-|-|-
+|object_id   |是  |int |项目id   |
+|object_type |否  |string | 点赞类型，默认为project|
+
+
+*返回参数说明:*
+
+|参数名|类型|说明|
+-|-|-
+|status           |int|0:点赞成功，-1:操作失败，2:表示已经点过赞了|
+
+
+返回值
+```
+{
+    "status": 0,
+    "message": "响应成功"
+}
+```
+---
+
+### 关注(项目)
+```
+POST /api/projects/:id/watchers/follow
+```
+*示例*
+```
+curl -X POST \
+-d "login=18816895620" \
+http://localhost:3000/api/projects/mirror_demo/watchers/follow | jq
+```
+*请求参数说明:*
+
+|参数名|必选|类型|说明|
+-|-|-|-
+|id          |是|string |项目标识(identifier)  |
+|login       |是|string |用户标识/登录名(login)  |
+
+
+*返回参数说明:*
+
+|参数名|类型|说明|
+-|-|-
+|status           |int|0:点赞成功，-1:操作失败，2:表示已经点过赞了|
+
+
+返回值
+```
+{
+    "status": 0,
+    "message": "响应成功"
+}
+```
+---
+
+### 取消关注
+```
+DELETE /api/projects/:id/watchers/unfollow
+```
+*示例*
+```
+curl -X DELETE \
+-d "login=18816895620" \
+http://localhost:3000//api/projects/mirror_demo/watchers/unfollow | jq
+```
+*请求参数说明:*
+
+|参数名|必选|类型|说明|
+-|-|-|-
+|id          |是|string |项目标识(identifier)  |
+|login       |是|string |用户标识/登录名(login)  |
+
+
+*返回参数说明:*
+
+|参数名|类型|说明|
+-|-|-
+|status           |int|0:点赞成功，-1:操作失败，2:表示还未点赞|
+
+
+返回值
+```
+{
+  "status": 0,
+  "message": "响应成功"
+}
+```
+---
+
+### 项目的关注者列表
+```
+GET /api/projects/:id/watchers
+```
+*示例*
+```
+curl -X GET \
+-d "login=18816895620" \
+-d "page=1" \
+-d "limit=5" \
+http://localhost:3000//api/projects/mirror_demo/watchers | jq
+```
+*请求参数说明:*
+
+|参数名|必选|类型|说明|
+-|-|-|-
+|id          |是|string |项目标识(identifier)  |
+|login       |是|string |用户标识/登录名(login)  |
+|page        |否|string |页数，第几页  |
+|limit       |否|string |每页多少条数据，默认15条  |
+
+
+*返回参数说明:*
+
+|参数名|类型|说明|
+-|-|-
+|total_count           |int|总条数|
+|watchers           |array|关注数据|
+|-- name           |string|用户名称|
+|-- login           |string|用户标识/登录名(login)|
+|-- image_url       |string|用户头像|
+
+
+返回值
+```
+{
+  "total_count": 1,
+  "watchers": [
+    {
+      "name": "18816895620",
+      "login": "18816895620",
+      "image_url": "avatars/User/b"
+    }
+  ]
+}
+```
+---
+
 ### 仓库新建文件
 ```
 DELETE /api/:login/:repo_identifier/contents
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 57b9e45ef..9461e180f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -637,6 +637,11 @@ class ApplicationController < ActionController::Base
     render_not_found("未找到’#{params[:repo_identifier]}’相关的项目") unless @repo
 	end
 
+	def find_project
+		@project = Project.find_by_identifier! params[:id]
+    render_not_found("未找到’#{params[:id]}’相关的项目") unless @project
+	end
+
   private
 	def object_not_found
 		uid_logger("Missing template or cant't find record, responding with 404")
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 293c9a5ff..e0f16729b 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -38,10 +38,6 @@ class ProjectsController < ApplicationController
   end
 
   private
-  def find_project
-    @project = Project.find_by_identifier! params[:id]
-  end
-
   def project_params
     params.permit(:user_id, :name, :description, :repository_name,
       :project_category_id, :project_language_id, :license_id, :ignore_id)
diff --git a/app/controllers/users/watches_controller.rb b/app/controllers/users/watches_controller.rb
index 867106c52..9a9e78a3e 100644
--- a/app/controllers/users/watches_controller.rb
+++ b/app/controllers/users/watches_controller.rb
@@ -25,4 +25,4 @@ class Users::WatchesController < Users::BaseController
     current_user.unwatch!(observed_user)
     render_ok
   end
-end
\ No newline at end of file
+end
diff --git a/app/controllers/watchers_controller.rb b/app/controllers/watchers_controller.rb
new file mode 100644
index 000000000..f018959ee
--- /dev/null
+++ b/app/controllers/watchers_controller.rb
@@ -0,0 +1,40 @@
+class WatchersController < ApplicationController
+  before_action :require_login, except: %i[index]
+  before_action :find_user, :set_project
+
+  def index
+    scope = @project.watchers.includes(:user)
+    @watchers = paginate(scope)
+  end
+
+  def unfollow
+    begin
+      return normal_status(2, "你还没有关注哦") unless current_user.watched?(@project)
+      current_user.unwatch!(@project)
+      render_ok
+    rescue Exception => e
+      uid_logger_error(e.message)
+      tip_exception(e.message)
+      raise ActiveRecord::Rollback
+    end
+  end
+
+  def follow
+    begin
+      return normal_status(2, "你已关注了") if current_user.watched?(@project)
+      current_user.watch!(@project)
+      render_ok
+    rescue Exception => e
+      uid_logger_error(e.message)
+      tip_exception(e.message)
+      raise ActiveRecord::Rollback
+    end
+  end
+
+  private
+  def set_project
+    @project = @user.projects.find_by_identifier params[:project_id]
+    render_not_found("未找到’#{params[:id]}’相关的项目") unless @project
+  end
+
+end
diff --git a/app/helpers/watchers_helper.rb b/app/helpers/watchers_helper.rb
new file mode 100644
index 000000000..dcb0c0ece
--- /dev/null
+++ b/app/helpers/watchers_helper.rb
@@ -0,0 +1,2 @@
+module WatchersHelper
+end
diff --git a/app/models/concerns/watchable.rb b/app/models/concerns/watchable.rb
index 7be7d1b4c..ad707a0cf 100644
--- a/app/models/concerns/watchable.rb
+++ b/app/models/concerns/watchable.rb
@@ -2,8 +2,8 @@ module Watchable
   extend ActiveSupport::Concern
 
   included do
-    has_many :watchers, as: :watchable, dependent: :destroy # 关注我的
-    has_many :watcher_users, through: :watchers, source: :user, validate: false # 我的粉丝
+    has_many :watchers, as: :watchable, dependent: :destroy
+    has_many :watcher_users, through: :watchers, source: :user, validate: false
 
     scope :watched_by, -> (user_id) { includes(:watchers).where(watchers: { user_id: user_id }) }
   end
@@ -12,15 +12,15 @@ module Watchable
     watchable.watchers.exists?(user: self)
   end
 
-  def watch!(user)
-    user.watchers.create!(user: self)
+  def watch!(watchable)
+    watchable.watchers.create!(user: self)
   end
 
-  def unwatch!(user)
-    obj = user.watchers.find_by(user: self)
+  def unwatch!(watchable)
+    obj = watchable.watchers.find_by(user: self)
     obj.destroy! if obj.present?
   end
 
   module ClassMethods
   end
-end
\ No newline at end of file
+end
diff --git a/app/views/watchers/_watcher.json.jbuilder b/app/views/watchers/_watcher.json.jbuilder
new file mode 100644
index 000000000..52becc9e4
--- /dev/null
+++ b/app/views/watchers/_watcher.json.jbuilder
@@ -0,0 +1,3 @@
+json.name watcher.user.real_name
+json.login watcher.user.login
+json.image_url url_to_avatar(watcher.user)
diff --git a/app/views/watchers/index.json.jbuilder b/app/views/watchers/index.json.jbuilder
new file mode 100644
index 000000000..72f0083c4
--- /dev/null
+++ b/app/views/watchers/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @watchers.size
+json.watchers do
+  json.partial! 'watcher', collection: @watchers, as: :watcher
+end
diff --git a/config/routes.rb b/config/routes.rb
index 68aa00d8a..098ebaf2c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,5 +1,5 @@
 Rails.application.routes.draw do
-
+
   require 'sidekiq/web'
   require 'admin_constraint'
   mount Sidekiq::Web => '/sidekiq', :constraints => AdminConstraint.new
@@ -63,12 +63,21 @@ Rails.application.routes.draw do
           post :update_status
         end
       end
+      resources :watchers, only: [:index] do
+        collection do
+          post :follow
+          delete :unfollow
+        end
+      end
+      resources :praise_tread, only: [:index]
       collection do
         post :migrate
         get :group_type_list
+        post :watch
       end
       member do
         get :branches
+        post :watch
       end
     end
 

From 479545300ca526bb58ebaae6408286782a21153b Mon Sep 17 00:00:00 2001
From: Jasder <2053003901@@qq.com>
Date: Wed, 8 Jan 2020 20:41:36 +0800
Subject: [PATCH 7/7] FIX bug

---
 README.md                              | 20 ++++++--------------
 app/controllers/watchers_controller.rb |  7 ++++---
 2 files changed, 10 insertions(+), 17 deletions(-)

diff --git a/README.md b/README.md
index 9aeb633d2..fedd75c2a 100644
--- a/README.md
+++ b/README.md
@@ -1148,16 +1148,13 @@ POST /api/projects/:id/watchers/follow
 ```
 *示例*
 ```
-curl -X POST \
--d "login=18816895620" \
-http://localhost:3000/api/projects/mirror_demo/watchers/follow | jq
+curl -X POST http://localhost:3000/api/projects/3263/watchers/follow | jq
 ```
 *请求参数说明:*
 
 |参数名|必选|类型|说明|
 -|-|-|-
-|id          |是|string |项目标识(identifier)  |
-|login       |是|string |用户标识/登录名(login)  |
+|id          |是|int |项目id  |
 
 
 *返回参数说明:*
@@ -1182,16 +1179,13 @@ DELETE /api/projects/:id/watchers/unfollow
 ```
 *示例*
 ```
-curl -X DELETE \
--d "login=18816895620" \
-http://localhost:3000//api/projects/mirror_demo/watchers/unfollow | jq
+curl -X DELETE http://localhost:3000//api/projects/3263/watchers/unfollow | jq
 ```
 *请求参数说明:*
 
 |参数名|必选|类型|说明|
 -|-|-|-
-|id          |是|string |项目标识(identifier)  |
-|login       |是|string |用户标识/登录名(login)  |
+|id          |是|int |项目id  |
 
 
 *返回参数说明:*
@@ -1217,17 +1211,15 @@ GET /api/projects/:id/watchers
 *示例*
 ```
 curl -X GET \
--d "login=18816895620" \
 -d "page=1" \
 -d "limit=5" \
-http://localhost:3000//api/projects/mirror_demo/watchers | jq
+http://localhost:3000//api/projects/3263/watchers | jq
 ```
 *请求参数说明:*
 
 |参数名|必选|类型|说明|
 -|-|-|-
-|id          |是|string |项目标识(identifier)  |
-|login       |是|string |用户标识/登录名(login)  |
+|id          |是|int |项目id  |
 |page        |否|string |页数，第几页  |
 |limit       |否|string |每页多少条数据，默认15条  |
 
diff --git a/app/controllers/watchers_controller.rb b/app/controllers/watchers_controller.rb
index f018959ee..d9a8e898c 100644
--- a/app/controllers/watchers_controller.rb
+++ b/app/controllers/watchers_controller.rb
@@ -1,6 +1,6 @@
 class WatchersController < ApplicationController
   before_action :require_login, except: %i[index]
-  before_action :find_user, :set_project
+  before_action :set_project
 
   def index
     scope = @project.watchers.includes(:user)
@@ -33,8 +33,9 @@ class WatchersController < ApplicationController
 
   private
   def set_project
-    @project = @user.projects.find_by_identifier params[:project_id]
-    render_not_found("未找到’#{params[:id]}’相关的项目") unless @project
+    @project = Project.find params[:project_id]
+    rescue Exception => e
+      tip_exception(e.message)
   end
 
 end