diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 2ba76c60a..afe0e14b6 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -151,8 +151,8 @@ class ChallengesController < ApplicationController
   def index
     uid_logger("identifier: #{params}")
     # 通过调试发现 这里includes(:games)性能会慢10倍
-
-    @challenges = @shixun.challenges.fields_for_list.includes(:games).where("games.user_id" => current_user.id)
+    current_myshixun = @shixun.current_myshixun(current_user.id)
+    @challenges = @shixun.challenges.includes(:games).where("games.user_id" => (current_myshixun ? current_user.id : nil))
 
     @editable = current_user.manager_of_shixun?(@shixun) && @shixun.status == 0
     @user = current_user
diff --git a/app/controllers/concerns/git_helper.rb b/app/controllers/concerns/git_helper.rb
index 445d67087..78eae769c 100644
--- a/app/controllers/concerns/git_helper.rb
+++ b/app/controllers/concerns/git_helper.rb
@@ -9,6 +9,8 @@ module GitHelper
   # 版本库文件内容，带转码
   def git_fle_content(repo_path, path)
     begin
+      logger.info("##########repo_path: #{repo_path}")
+      logger.info("##########path: #{path}")
       content = GitService.file_content(repo_path: repo_path, path: path)
 
       logger.info("@@@@@@@@@@@@@@@@@@#{content}")
@@ -31,7 +33,8 @@ module GitHelper
       decode_content
 
     rescue Exception => e
-      uid_logger_error(e.message)
+      Rails.logger.error(e.message)
+      # uid_logger_error(e.message)
       raise Educoder::TipException.new("文档内容获取异常")
     end
   end
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 93eba89d8..e0844ab4c 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -799,6 +799,8 @@ class CoursesController < ApplicationController
           uid_logger_error(e.message)
           normal_status(-1, "无法完成导入，原因：文件内容无法读取")
         end
+      else
+        normal_status(-1, "只支持xls文件的导入")
       end
     end
   end
diff --git a/app/controllers/exercise_questions_controller.rb b/app/controllers/exercise_questions_controller.rb
index dd0247f70..b231d6af7 100644
--- a/app/controllers/exercise_questions_controller.rb
+++ b/app/controllers/exercise_questions_controller.rb
@@ -616,7 +616,7 @@ class ExerciseQuestionsController < ApplicationController
     elsif params[:question_type].to_i == 2 && (params[:standard_answers].count > 1 || params[:question_choices].blank? || params[:question_choices].include?("")) #判断题的标准答案不能大于1个，选项不能为空
       normal_status(-1,"判断题选项不能为空/标准答案不能大于1个！")
     elsif params[:question_type].to_i <= 1 && (params[:question_choices].blank? || params[:question_choices].include?("") || params[:question_choices].count < 2) #选择题选项不能为空,且不能小于2
-      normal_status(-1,"选择题选项内容不能为空，且不能少于3个！")
+      normal_status(-1,"选择题选项内容不能为空，且不能少于2个！")
     elsif params[:question_type].to_i == 3 && (params[:standard_answers].blank? || params[:standard_answers].count > 5 ) #填空题选项最多为5个,且如果为1个的话，不允许修改is_ordered
       normal_status(-1,"填空题标准答案不能为空/不能超过5个！")
     elsif params[:question_type].to_i == 4 && params[:standard_answers].count > 2 #简单题参考答案最多为1个
@@ -640,7 +640,7 @@ class ExerciseQuestionsController < ApplicationController
     if @exercise.exercise_status != 1
       question_score = @exercise_question.question_score  #原来的分数
       update_question_score = params[:question_score].to_f.round(1)   #传入的分数
-      choices_count = @exercise_question.exercise_choices.count  #原来的选项个数
+      choices_count = @exercise_question.exercise_choices.size  #原来的选项个数
       exercise_choice_ids = @exercise_question.exercise_standard_answers.pluck(:exercise_choice_id).uniq
       standard_answers_text = @exercise_question.exercise_standard_answers.pluck(:answer_text).uniq
       update_choices_count = params[:question_choices].present? ? params[:question_choices].count : choices_count #传入的选项个数
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 01a2d540a..421c5177a 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1177,15 +1177,16 @@ class ExercisesController < ApplicationController
         @exercise_status = @exercise.get_exercise_status(current_user.id)
         @course_all_members = @course.students
         @c_group_counts = @course.course_groups_count
-        question_types = @exercise.exercise_questions.pluck(:question_type)
+        question_types = @exercise.exercise_questions.pluck(:question_type).uniq
         @exercise_publish_count = get_user_permission_course(exercise_ids,2).count #判断是否有已发布的分班
         @exercise_unpublish_count = get_user_permission_course(exercise_ids,1).count  #判断是否有未发布的分班
 
-        if question_types.include?(4)   #是否包含主观题
+        if (question_types.size > 1) &&  question_types.include?(4)   #是否包含主观题,或者是否大于1
           @subjective_type = 1
         else
           @subjective_type = 0
         end
+
         if @user_course_identity < Course::STUDENT  #当前为老师，而且老师只能查看自己班级的/课堂的试卷
           @exercise_current_user_status = 0
           if @exercise_status == 1
diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index ac0b6baa8..8c364308f 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -51,9 +51,8 @@ class GamesController < ApplicationController
     # 统计评测时间
     record_onsume_time = EvaluateRecord.where(game_id: @game.id).first.try(:consume_time)
 
-    # power判断用户是否有权限查看隐藏测试集(TPM管理员；平台认证的老师；花费金币查看者)
-    # myshixun_manager
-    myshixun_manager = current_user.manager_of_shixun?(@shixun) || (current_user.is_teacher? && current_user.pro_certification?)
+    # myshixun_manager判断用户是否有权限查看隐藏测试集(TPM管理员；平台认证的老师；花费金币查看者)
+    myshixun_manager = @identity < User::EDU_GAME_MANAGER
 
     # 选择题和编程题公共部分
     @base_date = {st: @st, discusses_count: discusses_count, game_count: game_count, myshixun: @myshixun,
diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index 93d3cba3d..454f23c81 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -122,7 +122,7 @@ class GraduationTasksController < ApplicationController
 
       @work_count = @work_list.count
       @work_excel = @work_list
-      @work_list = @work_list.page(page).limit(limit)
+      @work_list = @work_list.page(page).per(limit)
       respond_to do |format|
         format.json
         format.xlsx{
diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index b89fd6b67..c3bd777ae 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -235,6 +235,99 @@ class HomeworkCommonsController < ApplicationController
     end
   end
 
+  def update_score
+    student_works = @homework.student_works
+    myshixuns = Myshixun.where(shixun_id: @homework.homework_commons_shixun&.shixun_id, user_id: @course.students.pluck(:user_id))
+    myshixuns = Myshixun.where(shixun_id: @homework.homework_commons_shixun&.shixun_id).
+        joins("join course_members on myshixuns.user_id=course_members.user_id").where(course_members: {course_id: @course.id, role: 4}).includes(:games)
+    myshixuns.find_each(batch_size: 100) do |myshixun|
+      work = student_works.select{|work| work.user_id == myshixun.user_id}.first
+      setting_time = @homework.homework_group_setting work.user_id
+
+      if setting_time.end_time.present? && (setting_time.end_time > Time.now || (@homework.allow_late && @homework.late_time && @homework.late_time > Time.now))
+        #logger.info("#############setting_time: #{setting_time.end_time}")
+
+        user_total_score = 0
+        pass_consume_time = 0
+        final_score = 0
+        homework.homework_challenge_settings.each do |setting|
+          game = myshixun.games.where(:challenge_id => setting.challenge_id, :status => 2).first
+          unless game.nil?
+            pass_consume_time += (game.cost_time / 60.0).to_f
+            user_total_score += game.final_score.to_i < 0 ? 0 : game.challenge.score.to_i
+            adjust_score = work.challenge_work_scores.where(:challenge_id => setting.challenge_id).last
+            final_score += adjust_score.present? ? adjust_score.score : (homework.homework_detail_manual.answer_open_evaluation ? setting.score : (game.final_score > 0 ? game.real_score(setting.score) : 0))
+          end
+        end
+        if work.work_status == 0
+          is_complete = myshixun.is_complete? && (myshixun.done_time < setting_time.end_time)
+          work.work_status = setting_time.end_time > Time.now ? 1 : (is_complete ? 1 : 2)
+          work.late_penalty = setting_time.end_time > Time.now ? 0 : (is_complete ? 0 : homework.late_penalty)
+          work.commit_time = myshixun.created_at > setting_time.publish_time ? setting_time.publish_time : myshixun.created_at
+          work.myshixun_id = myshixun.id
+        end
+
+        games = myshixun.games.where(:challenge_id => homework.homework_challenge_settings.map(&:challenge_id))
+        myshixun_endtime = games.select{|game| game.status == 2}.size == games.size ? games.map(&:end_time).max : nil
+        if myshixun_endtime.present?
+          min_efficiency_changed = min_efficiency_changed.present? ? min_efficiency_changed : false
+          work.compelete_status = 1
+          work.cost_time = myshixun_endtime.to_i - setting_time.publish_time.to_i
+
+          efficiency = (pass_consume_time == 0 ? 0 : Math.log((user_total_score / pass_consume_time.to_f) + 1.0))
+          work.efficiency = format("%.2f", efficiency)
+
+          # 如果作业的最大效率值有变更则更新所有作品的效率分
+          if homework.work_efficiency && homework.max_efficiency < work.efficiency
+            homework.update_column("max_efficiency", work.efficiency)
+          end
+        end
+
+        work.update_time = Time.now
+
+        work.final_score = final_score
+        score = work.final_score + work.eff_score - work.late_penalty
+        work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) unless work.ultimate_score
+        #logger.info("#############work_score: #{score}")
+        work.save!
+      end
+    end
+    @homework.student_works.each do ||
+
+    end
+  end
+
+  def update_student_score
+    work = @homework.students_works.find_by(user_id: current_user.id)
+    myshixun = Myshixun.find_by(shixun_id: params[:shixun_id], user_id: current_user.id)
+    if work && myshixun
+      # 判断作品是否关联过myshixun
+      if work.myshixun_id.nil?
+        work.myshixun_id = myshixun.id
+        work.update_time = myshixun.updated_at
+        setting_time = @homework.homework_group_setting myshixun.user_id
+        games = myshixun.games.where(:challenge_id => @homework.homework_challenge_settings.pluck(:challenge_id))
+        myshixun_endtime = games.select{|game| game.status == 2}.size == games.size ? games.map(&:end_time).max : nil
+        compelete_status = 0
+        if myshixun_endtime.present? && myshixun_endtime < setting_time.end_time
+          if myshixun_endtime < setting_time.publish_time
+            compelete_status = 2
+          else
+            compelete_status = 1
+          end
+        end
+        games.each do |game|
+          unless game.nil?
+            pass_consume_time += (game.cost_time / 60.0).to_f
+            user_total_score += game.final_score.to_i < 0 ? 0 : game.challenge.score.to_i
+            adjust_score = work.challenge_work_scores.where(:challenge_id => setting.challenge_id).last
+            final_score += adjust_score.present? ? adjust_score.score : (homework.homework_detail_manual.answer_open_evaluation ? setting.score : (game.final_score > 0 ? game.real_score(setting.score) : 0))
+          end
+        end
+      end
+    end
+  end
+
   def alter_name
     tip_exception("作业名称不能为空") if params[:name].blank?
     @homework.update_attributes(name: params[:name].strip)
@@ -620,7 +713,7 @@ class HomeworkCommonsController < ApplicationController
           if @homework_detail_manual.comment_status < 4
             tip_exception("匿评结束时间不能为空") if @homework.anonymous_comment && params[:evaluation_end].blank?
             tip_exception("匿评截止时间必须晚于匿评开启时间") if @homework.anonymous_comment &&
-                params[:evaluation_end] <= params[:evaluation_start]
+                params[:evaluation_end] <= strf_time(@homework_detail_manual.evaluation_start)
             tip_exception("匿评截止时间不能晚于课堂结束时间") if @homework.anonymous_comment &&
                 @course.end_date.present? && params[:evaluation_end] > strf_time(@course.end_date.end_of_day)
 
diff --git a/app/controllers/myshixuns_controller.rb b/app/controllers/myshixuns_controller.rb
index 035b43955..a4a3b7222 100644
--- a/app/controllers/myshixuns_controller.rb
+++ b/app/controllers/myshixuns_controller.rb
@@ -243,55 +243,55 @@ class MyshixunsController < ApplicationController
   # -----Repository
   # TODO: 之类需要一个resubmit参数,但是是关于games.
   def update_file
-    @hide_code = Shixun.where(id: @myshixun.shixun_id).pluck(:hide_code).first
-    tip_exception("技术平台为空!") if @myshixun.mirror_name.blank?
-    path = params[:path].strip unless params[:path].blank?
-    game_id = params[:game_id]
-    game = Game.find(game_id)
-    @content_modified = 0
-    # params[:evaluate] 实训评测时更新必须给的参数，需要依据该参数做性能统计，其它类型的更新可以跳过
-    # 自动保存的时候evaluate为0；点评测的时候为1
-    if params[:evaluate] == 1
-      record = EvaluateRecord.create!(:user_id => current_user.id, :shixun_id => @myshixun.shixun_id, :game_id => game_id)
-      uid_logger("-- game is #{game_id}, record id is #{record.id}, time is **** #{Time.now.strftime("%Y-%m-%d %H:%M:%S.%L")}")
-      student_work_time = format("%.3f",  (Time.now.to_f - record.created_at.to_f)).to_f
-      record.update_attributes!(:student_work => student_work_time)
-    end
-    unless @hide_code
-      # 远程版本库文件内容
-      last_content = GitService.file_content(repo_path: @repo_path, path: path)["content"]
+    begin
+      @hide_code = Shixun.where(id: @myshixun.shixun_id).pluck(:hide_code).first
+      tip_exception("技术平台为空!") if @myshixun.mirror_name.blank?
+      path = params[:path].strip unless params[:path].blank?
+      game_id = params[:game_id]
+      game = Game.find(game_id)
+      @content_modified = 0
 
-      content =  if @myshixun.mirror_name.select{|a| a.include?("MachineLearning") || a.include?("Python")}.present? && params[:content].present?
-                   params[:content].gsub(/\t/, '    ')
-                 else
-                   params[:content]
-                 end
-      if content != last_content
-        @content_modified = 1
+      # params[:evaluate] 实训评测时更新必须给的参数，需要依据该参数做性能统计，其它类型的更新可以跳过
+      # 自动保存的时候evaluate为0；点评测的时候为1
+      if params[:evaluate] == 1
+        @sec_key = generate_identifier(EvaluateRecord, 12)
+        record = EvaluateRecord.create!(:user_id => current_user.id, :shixun_id => @myshixun.shixun_id, :game_id => game_id,
+                                        :identifier => @sec_key)
+        uid_logger("-- game build: file update #{@sec_key}, record id is #{record.id}, time is **** #{Time.now.strftime("%Y-%m-%d %H:%M:%S.%L")}")
+      end
+      unless @hide_code
+        # 远程版本库文件内容
+        last_content = GitService.file_content(repo_path: @repo_path, path: path)["content"]
+        content = params[:content]
 
-        author_name = current_user.full_name
-        author_email = current_user.mail
-        message = params[:evaluate] == 0 ? "auto commit" : "task commit"
-        @content = GitService.update_file(repo_path: @repo_path,
-                                          file_path: path,
-                                          message: message,
-                                          content: content,
-                                          author_name: author_name,
-                                          author_email: author_email)
+        if content != last_content
+          @content_modified = 1
 
-        uid_logger("-- file update #{@content}")
+          author_name = current_user.full_name
+          author_email = current_user.mail
+          message = params[:evaluate] == 0 ? "System automatically submitted" : "User submitted"
+          @content = GitService.update_file(repo_path: @repo_path,
+                                            file_path: path,
+                                            message: message,
+                                            content: content,
+                                            author_name: author_name,
+                                            author_email: author_email)
+        end
       end
-    end
 
 
-    if game.status == 2
-      @resubmit = Time.now.to_i
-    end
+      if game.status == 2
+        @resubmit = Time.now.to_i
+      end
 
-    # 评测时间记录
-    if record.present?
-      consume_time = format("%.3f",  (Time.now.to_f - record.created_at.to_f)).to_f
-      record.update_attributes!(:file_update => consume_time)
+      # 评测时间记录
+      if record.present?
+        consume_time = format("%.3f",  (Time.now.to_f - record.created_at.to_f)).to_f
+        record.update_attributes!(:file_update => consume_time)
+      end
+    rescue Exception => e
+      uid_logger_error(e.message)
+      tip_exception("文件内容更新异常，请稍后重试")
     end
   end
 
diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 32a2c6ef9..b3069bc5d 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -553,11 +553,6 @@ class ShixunsController < ApplicationController
 						end
 					end
 
-					# REDO:开启实训时更新关联作品的状态
-					# TODO:这个可以异步。或者放到课程里面取，不要在开启实训这边做
-					# HomeworksService.new.update_myshixun_work_status myshixun
-					UpdateMyshixunWorkStatusJob.perform_later(myshixun.id)
-
 					@current_task = myshixun.current_task(myshixun.games)
 					uid_logger("## shixun exec: myshixun id is #{myshixun.id}")
 				rescue Exception => e
@@ -635,7 +630,7 @@ class ShixunsController < ApplicationController
 		end
 		page = params[:page] || 1
 		limit = params[:limit] || 20
-		@users_count = @users.count
+		@user_count = @users.count
 		@users = @users.page(page).per(limit)
 
 	end
diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index ab026cf05..5d14a43ea 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -43,7 +43,7 @@ class StudentWorksController < ApplicationController
   def search_member_list
     # 统一设置的作业取所有学生，否则取已发布的分班学生
     students = @homework.unified_setting? ? @course.students : @course.students.where(course_group_id: @homework.published_settings.pluck(:course_group_id))
-    unless params[:search].blank?
+    if !params[:search].blank?
       @members = students.joins(user: :user_extension).where("course_members.user_id != #{current_user.id} and (concat(users.lastname, users.firstname)
                   like ? or user_extensions.student_id like ?)", "%#{params[:search]}%", "%#{params[:search]}%")
     else
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 32c4438a6..d8ea8cd60 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,6 +1,7 @@
 # 所有的方法请按首字母的顺序依次列出
 module ApplicationHelper
   include Educoder::I18n
+  include GitHelper
 
   ONE_MINUTE = 60 * 1000
   ONE_HOUR = 60 * ONE_MINUTE
@@ -332,6 +333,7 @@ module ApplicationHelper
 
     raw arr.join('')
   end
+
 end
 
 
diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index a2a80c311..1442e1da3 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -1,5 +1,6 @@
 
 module ExercisesHelper
+  # include GitHelper
 
   #获取每个学生对每个题的答案状态
   def get_each_student_exercise(exercise_id,exercise_questions,user_id)
@@ -166,10 +167,13 @@ module ExercisesHelper
         ex_score = ex&.question_score
         full_scores = effictive_users.search_exercise_answer("score",ex_score).count  #满分人数
         no_full_scores = effictive_users.exercise_no_full_scores(ex_score).count  #部分分数人数
-        all_zero_scores = effictive_users.search_exercise_answer("score",0.0).count  #包含为0分的，及未评阅的
-        review_scores = ex.exercise_answer_comments.count  #主观题的评阅数量
-        un_review_scores = effictive_users_count - review_scores   #未评阅数
-        zero_scores = all_zero_scores - un_review_scores  #已评阅，且答案未0分的人数
+        zero_scores = effictive_users.search_exercise_answer("score",0.0).count  #包含为0分的，及未评阅的
+        # review_scores = ex.exercise_answer_comments.count  #主观题的评阅数量
+        un_review_scores = effictive_users_count - full_scores - no_full_scores - zero_scores   #未评阅数
+        if un_review_scores < 0
+          un_review_scores = 0
+        end
+        # zero_scores = all_zero_scores - un_review_scores  #已评阅，且答案未0分的人数
         main_scores_array = [full_scores,no_full_scores,zero_scores,un_review_scores]
         main_scores_array.each_with_index do |s,index|
           if index == 0
@@ -428,15 +432,19 @@ module ExercisesHelper
                 answer_status = 1
               end
               ex_shixun_answer_content = answers_content&.where(exercise_shixun_challenge_id: exercise_cha.id)
-              if ex_shixun_answer_content.blank?  #把关卡的答案存入试卷的实训里
+              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
-                  code = git_fle_content(exercise_cha.shixun&.repo_path,cha_path)
+                  code = git_fle_content(game.myshixun.repo_path,cha_path)
                 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,
@@ -447,7 +455,7 @@ module ExercisesHelper
                 }
                 ExerciseShixunAnswer.create(sx_option)
               else
-                ex_shixun_answer_content.first.update_column('score',exercise_cha_score)
+                ex_shixun_answer_content.first.update_attributes(score:exercise_cha_score.round(1),answer_text:code)
               end
               score5 += exercise_cha_score
             else
@@ -637,7 +645,11 @@ module ExercisesHelper
     end
     if student_status == 2   #当前为老师，或为学生且已提交
       user_score_pre = exercise_answers.score_reviewed
-      user_score = user_score_pre.present? ? user_score_pre.pluck(:score).sum : nil
+      if ques_type == 4 && user_score_pre.blank?  #主观题时，且没有大于0的分数时，为空
+        user_score = nil
+      else
+        user_score = user_score_pre.present? ? user_score_pre.pluck(:score).sum : 0.0
+      end
     end
 
     if user_score.present? && (user_score > q.question_score)
diff --git a/app/models/homework_common.rb b/app/models/homework_common.rb
index 6512c3f1d..8f24820e7 100644
--- a/app/models/homework_common.rb
+++ b/app/models/homework_common.rb
@@ -231,9 +231,13 @@ class HomeworkCommon < ApplicationRecord
 
   # 作业的分班设置时间
   def homework_group_setting user_id
-    member = course.course_member(user_id)
-    group_setting = self.homework_group_settings.find_by_course_group_id(member.try(:course_group_id))
-    homework_setting = group_setting.present? ? group_setting : self
+    if unified_setting
+      homework_setting = self
+    else
+      member = course.course_member(user_id)
+      group_setting = self.homework_group_settings.find_by_course_group_id(member.try(:course_group_id))
+      homework_setting = group_setting.present? ? group_setting : self
+    end
     homework_setting
   end
 
diff --git a/app/views/exercise_questions/_exercise_questions.json.jbuilder b/app/views/exercise_questions/_exercise_questions.json.jbuilder
index 9445862ba..4cdd97f3c 100644
--- a/app/views/exercise_questions/_exercise_questions.json.jbuilder
+++ b/app/views/exercise_questions/_exercise_questions.json.jbuilder
@@ -1,6 +1,10 @@
 json.question_id question.id
 # json.question_number question.question_number
-json.q_position ques_position.present? ? ques_position : question.question_number
+q_positon = question.question_number
+if ques_position.present?
+  q_positon = ques_position
+end
+json.q_position q_positon
 json.question_title question.question_title
 json.question_type question.question_type
 json.question_score question.question_score.round(1).to_s
@@ -86,7 +90,7 @@ elsif question.question_type == 5
         user_get_score = games_score[:s_score].present? ? games_score[:s_score] : 0.0
         json.shixun_challenge_id s.id
         if games_score[:games].count > 0
-          json.partial! "exercises/shixun_details",games: games_score[:games], user_score: user_get_score,game_score: games_score[:game_score]
+          json.partial! "exercises/shixun_details",games: games_score[:games], user_score: user_get_score,game_score: games_score[:game_score],shixun_challenge:s
         else
           json.partial! "exercises/shixun_undo",games: [s], user_score: user_get_score ,game_score: s.question_score
         end
diff --git a/app/views/exercises/_shixun_details.json.jbuilder b/app/views/exercises/_shixun_details.json.jbuilder
index c788b8c1c..4a73a9bbb 100644
--- a/app/views/exercises/_shixun_details.json.jbuilder
+++ b/app/views/exercises/_shixun_details.json.jbuilder
@@ -26,6 +26,17 @@ json.shixun_detail do
       json.position output.query_index
       json.output_detail output_detail game, output
     end
-    json.passed_code game.try(:lastest_code)
+
+    latest_code = nil
+    if shixun_challenge.challenge&.path.present?
+      if game.try(:lastest_code).blank?
+        cha_path = challenge_path(shixun_challenge.challenge&.path)
+        latest_code = git_fle_content(game.myshixun.repo_path,cha_path)
+      else
+        latest_code = game.try(:lastest_code)
+      end
+    end
+
+    json.passed_code latest_code
   end
 end
\ No newline at end of file
diff --git a/app/views/exercises/_user_exercise_info.json.jbuilder b/app/views/exercises/_user_exercise_info.json.jbuilder
index 1ff929897..cba07fb3f 100644
--- a/app/views/exercises/_user_exercise_info.json.jbuilder
+++ b/app/views/exercises/_user_exercise_info.json.jbuilder
@@ -62,7 +62,7 @@ json.exercise_questions do
                   exercise_type: ex_type,
                   user_answer: user_ques_answers[:answered_content],
                   shixun_type: user_ques_answers[:shixun_type],
-                  ques_position:nil
+                  ques_position: nil
     if user_ques_comments.count > 0
       json.question_comments do
         json.partial! "exercises/exercise_comments", question_comment:user_ques_answers[:question_comment].first
diff --git a/app/views/myshixuns/update_file.json.jbuilder b/app/views/myshixuns/update_file.json.jbuilder
index c647927c4..ce8426715 100644
--- a/app/views/myshixuns/update_file.json.jbuilder
+++ b/app/views/myshixuns/update_file.json.jbuilder
@@ -1,3 +1,4 @@
 json.content @content
 json.resubmit "#{@resubmit}"
+json.sec_key "#{@sec_key}"
 json.content_modified @hide_code ? false : @content_modified
diff --git a/app/views/shixuns/add_collaborators.json.jbuilder b/app/views/shixuns/add_collaborators.json.jbuilder
index 1264caafa..d20f0b318 100644
--- a/app/views/shixuns/add_collaborators.json.jbuilder
+++ b/app/views/shixuns/add_collaborators.json.jbuilder
@@ -1,8 +1,11 @@
 #json.partial! "users/users_list", users: @users
-json.user_count @users_count
-json.array! @users do |user|
-  json.user_id user.id
-  json.identify user.identity
-  json.nickname user.lastname
-  json.school_name user.school_name
+json.user_count @user_count
+json.users do
+  json.array! @users do |user|
+    json.user_id user.id
+    json.identify user.identity
+    json.nickname user.real_name
+    json.school_name user.school_name
+  end
+
 end