diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 23b3f02f8..a3a278e0d 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -5,6 +5,8 @@ class ApplicationController < ActionController::Base
 	include RenderExpand
 	include RenderHelper
 	include ControllerRescueHandler
+	include GitHelper
+	include LoggerHelper
 
 	protect_from_forgery prepend: true, unless: -> { request.format.json? }
 
@@ -202,55 +204,6 @@ class ApplicationController < ActionController::Base
 		# end
 	end
 
-	# 版本库目录空间
-	def repo_namespace(user_login, shixun_identifier)
-		"#{user_login}/#{shixun_identifier}.git"
-	end
-
-	# 版本库文件内容，带转码
-	def git_fle_content(repo_path, path)
-		begin
-			content = GitService.file_content(repo_path: repo_path, path: path)["content"]
-			logger.info("@@@@@@@@@@@@@@@@@@#{content}")
-
-			decode_content = nil
-			if content.present?
-				content = Base64.decode64(content)
-				cd = CharDet.detect(content)
-				logger.info "encoding: #{cd['encoding']} confidence: #{cd['confidence']}"
-
-				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
-			uid_logger_error(e.message)
-			raise Educoder::TipException.new("文档内容获取异常")
-		end
-	end
-
-	# 更新文件代码
-	# content：　文件内容；message：提交描述
-	def update_file_content(content, repo_path, path, mail, username, message)
-		GitService.update_file(repo_path: repo_path, file_path: path, message: message,
-													 content: content, author_name: username, author_email: mail)
-	end
-
-	# 版本库Fork功能
-	def project_fork(container, original_rep_path, username)
-		raise Educoder::TipException.new("fork源路径为空,fork失败!") if original_rep_path.blank?
-		# 将要生成的仓库名字
-		new_repo_name = "#{username}/#{container.try(:identifier)}#{ Time.now.strftime("%Y%m%d%H%M%S")}"
-		uid_logger("start fork container: repo_name is #{new_repo_name}")
-		GitService.fork_repository(repo_path: original_rep_path, fork_repository_path: (new_repo_name + ".git"))
-		container.update_attributes!(:repo_name => new_repo_name)
-	end
-
 	def start_user_session(user)
 		session[:user_id] = user.id
 		session[:ctime] = Time.now.utc.to_i
@@ -332,16 +285,6 @@ class ApplicationController < ActionController::Base
     end
 	end
 
-	# 以用户id开始的日志定义
-	def uid_logger(message)
-		Rails.logger.info("##:#{current_user.try(:id)} --#{message}")
-	end
-
-	# 以用户id开始的日志定义
-	def uid_logger_error(message)
-		Rails.logger.error("##:#{current_user.try(:id)} --#{message}")
-	end
-
 	## 输出错误信息
 	def error_status(message = nil)
 		@status = -1
diff --git a/app/controllers/concerns/git_helper.rb b/app/controllers/concerns/git_helper.rb
new file mode 100644
index 000000000..0d8c91a55
--- /dev/null
+++ b/app/controllers/concerns/git_helper.rb
@@ -0,0 +1,52 @@
+module GitHelper
+  extend ActiveSupport::Concern
+
+  # 版本库目录空间
+  def repo_namespace(user_login, shixun_identifier)
+    "#{user_login}/#{shixun_identifier}.git"
+  end
+
+  # 版本库文件内容，带转码
+  def git_fle_content(repo_path, path)
+    begin
+      content = GitService.file_content(repo_path: repo_path, path: path)["content"]
+      logger.info("@@@@@@@@@@@@@@@@@@#{content}")
+
+      decode_content = nil
+      if content.present?
+        content = Base64.decode64(content)
+        cd = CharDet.detect(content)
+        logger.info "encoding: #{cd['encoding']} confidence: #{cd['confidence']}"
+
+        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
+      uid_logger_error(e.message)
+      raise Educoder::TipException.new("文档内容获取异常")
+    end
+  end
+
+  # 更新文件代码
+  # content：　文件内容；message：提交描述
+  def update_file_content(content, repo_path, path, mail, username, message)
+    GitService.update_file(repo_path: repo_path, file_path: path, message: message,
+                           content: content, author_name: username, author_email: mail)
+  end
+
+  # 版本库Fork功能
+  def project_fork(container, original_rep_path, username)
+    raise Educoder::TipException.new("fork源路径为空,fork失败!") if original_rep_path.blank?
+    # 将要生成的仓库名字
+    new_repo_name = "#{username}/#{container.try(:identifier)}#{ Time.now.strftime("%Y%m%d%H%M%S")}"
+    uid_logger("start fork container: repo_name is #{new_repo_name}")
+    GitService.fork_repository(repo_path: original_rep_path, fork_repository_path: (new_repo_name + ".git"))
+    container.update_attributes!(:repo_name => new_repo_name)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/concerns/logger_helper.rb b/app/controllers/concerns/logger_helper.rb
new file mode 100644
index 000000000..44d0448ce
--- /dev/null
+++ b/app/controllers/concerns/logger_helper.rb
@@ -0,0 +1,16 @@
+module LoggerHelper
+  extend ActiveSupport::Concern
+
+  extend LoggerHelper
+
+
+  # 以用户id开始的日志定义
+  def uid_logger(message)
+    Rails.logger.info("##:#{current_user.try(:id)} --#{message}")
+  end
+
+  # 以用户id开始的日志定义
+  def uid_logger_error(message)
+    Rails.logger.error("##:#{current_user.try(:id)} --#{message}")
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 2b988e89c..cb3b5c929 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -77,11 +77,17 @@ class CoursesController < ApplicationController
     # 根据搜索关键字进一步筛选
     if params[:search].present?
       # REDO:Extension
-      user_ids = User.includes(user_extension: :school).where("schools.name like ?", "%#{params[:search]}%").pluck(:id)
-      course_ids = CourseMember.includes(:user, :course).where("course_members.course_id in (?) and course_members.role in (1,2,3)
-                                          and CONCAT(users.lastname, users.firstname) like ?", @courses.map(&:id), "%#{params[:search]}%")
-                                                  .pluck(:course_id)
-      @courses = @courses.where("name like ?", "%#{params[:search]}%").or(@courses.where(tea_id: user_ids)).or(@courses.where(id: course_ids))
+      #user_ids = User.includes(user_extension: :school).where("schools.name like ?", "%#{params[:search]}%").pluck(:id)
+      #course_ids = CourseMember.includes(:user, :course).where("course_members.course_id in (?) and course_members.role in (1,2,3)
+      #                                    and CONCAT(users.lastname, users.firstname) like ?", @courses.map(&:id), "%#{params[:search]}%")
+      #                                            .pluck(:course_id)
+      #@courses = @courses.where("name like ?", "%#{params[:search]}%").or(@courses.where(tea_id: user_ids)).or(@courses.where(id: course_ids))
+      # 6:21 daiao
+      sql = %Q{
+        (course_members.role in(1,2,3) and CONCAT(users.lastname, users.firstname) like :keyword) or courses.name like :keyword
+        or schools.name like :keyword
+      }
+      @courses = @courses.joins(course_members: [user: [user_extension: :school]]).where("#{sql}", keyword: "%#{params[:search]}%").distinct
     end
     @courses_count = @courses.size
 
@@ -931,7 +937,7 @@ class CoursesController < ApplicationController
     @page  = params[:page]  || 1
     @page_size = params[:page_size] || 15
 
-    @courses = Course.by_user(current_user).hidden(false).ended(false).deleted(0).by_keywords(params[:search]).distinct
+    @courses = Course.by_user(current_user).hidden(false).processing.not_deleted.by_keywords(params[:search]).distinct
 
     # @total_count = @courses.count
     # offset = 0
@@ -988,6 +994,20 @@ class CoursesController < ApplicationController
     end
   end
 
+  def search_slim
+    courses = current_user.manage_courses.not_deleted.processing
+
+    keyword = params[:keyword].to_s.strip
+    if keyword.present?
+      courses = courses.where('name LIKE ?', "%#{keyword}%")
+    end
+
+    count = courses.count
+    courses = paginate(courses)
+
+    render_ok(count: count, courses: courses.select(:id, :name).as_json)
+  end
+
   private
 
   # Use callbacks to share common setup or constraints between actions.
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 2239f570d..e2d6110bd 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1140,6 +1140,7 @@ class ExercisesController < ApplicationController
         exercise_ids = [@exercise.id]
         @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)
         @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
diff --git a/app/controllers/graduation_topics_controller.rb b/app/controllers/graduation_topics_controller.rb
index bcc947642..a6903dbc7 100644
--- a/app/controllers/graduation_topics_controller.rb
+++ b/app/controllers/graduation_topics_controller.rb
@@ -24,8 +24,7 @@ class GraduationTopicsController < ApplicationController
     end
 
     # 当前用户是否已经选过题
-    # @user_selected = StudentGraduationTopic.where(graduation_topic_id: @graduation_topic, user_id: current_user.id).count > 0
-    user_graduation_topics = @course.student_graduation_topics.where(user_id: current_user.id, status: [0, 1], graduation_topic_id: @graduation_topic.pluck(:id))  #6.12 -hs
+    user_graduation_topics = @course.student_graduation_topics.where(user_id: current_user.id, status: [0, 1])  #6.12 -hs
     @user_selected = user_graduation_topics.size > 0
     ## 分页参数
     page  = params[:page]  || 1
@@ -45,16 +44,9 @@ class GraduationTopicsController < ApplicationController
         end
     ## 分页参数
     @current_user = current_user
-    course_group_ids = @course.course_members.where(user_id: current_user.id, role: [1,2,3]).pluck(:course_group_id).uniq
-    #6.11 -hs
-    if course_group_ids.present?
-      if course_group_ids.include?(0)
-        course_group_ids = @course.course_groups.pluck(:id)
-      end
-    end
-
-    @group_list = CourseGroup.where(id: course_group_ids)
-
+    user_graduation_topics = @course.student_graduation_topics.where(user_id: current_user.id,
+                                                                     status: [0, 1])
+    @user_selected = user_graduation_topics.size > 0
     page  = params[:page]  || 1
     limit = params[:limit] || 50
     @users_count = @student_graduation_topics.try(:count).to_i
diff --git a/app/controllers/poll_votes_controller.rb b/app/controllers/poll_votes_controller.rb
index eef953d5e..a2f805a97 100644
--- a/app/controllers/poll_votes_controller.rb
+++ b/app/controllers/poll_votes_controller.rb
@@ -31,11 +31,13 @@ class PollVotesController < ApplicationController
         if question_type == 1
           if user_votes.present?  #用户曾经回答过的，答案选择不一样，否则新建
             current_user_answer = user_votes.first
-            if current_user_answer.poll_answer_id != question_answer_id   #如果说更换了答案，则以前的答案删除，并新建记录
+            if current_user_answer&.poll_answer_id != question_answer_id   #如果说更换了答案，则以前的答案删除，并新建记录
               current_user_answer.destroy
               PollVote.create(vote_answer_params)
             else
+
               if question_answer_text.present?
+
                 current_user_answer.update_attribute("vote_text", question_answer_text)
               end
             end
@@ -98,9 +100,10 @@ class PollVotesController < ApplicationController
         @current_question_necessary = @poll_question.is_necessary
         #问答记录存在，且有值，才会有返回值。
         @current_question_status = 0
-        if user_votes.present?
-          vote_answer_id = user_votes.pluck(:poll_answer_id).reject(&:blank?).size
-          vote_text_count = user_votes.pluck(:vote_text).reject(&:blank?).size
+        new_user_votes = question_votes.where(user_id: current_user.id)
+        if new_user_votes.present?
+          vote_answer_id = new_user_votes.pluck(:poll_answer_id).reject(&:blank?).size
+          vote_text_count = new_user_votes.pluck(:vote_text).reject(&:blank?).size
           if vote_text_count > 0 || vote_answer_id > 0
             @current_question_status = 1
           end
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index ae93357cc..675e3283c 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -956,6 +956,8 @@ class PollsController < ApplicationController
         @poll_publish_count = get_user_permission_course(poll_ids,2).count
         @poll_unpublish_count = get_user_permission_course(poll_ids,1).count
         @course_all_members = @course.students
+        @poll_group_counts = @course.course_groups_count
+
         if @user_course_identity < Course::STUDENT  #当前为老师，而且老师只能查看自己班级的/课堂的问卷
           @poll_current_user_status = 0
           @poll_users_list = @poll.all_poll_users(current_user.id).distinct   #该老师分班的全部学生
diff --git a/app/controllers/question_banks_controller.rb b/app/controllers/question_banks_controller.rb
index 299224527..bf55db9dd 100644
--- a/app/controllers/question_banks_controller.rb
+++ b/app/controllers/question_banks_controller.rb
@@ -240,7 +240,7 @@ class QuestionBanksController < ApplicationController
     ActiveRecord::Base.transaction do
       new_task = GraduationTask.new
       new_task.attributes = task.attributes.dup.except("id", "course_id", "user_id", "quotes", "graduation_task_id",
-                                                       "course_list_id", "gtask_bank_id")
+                                                       "course_list_id", "gtask_bank_id", "created_at", "updated_at")
       new_task.course_id = course.id
       new_task.gtask_bank_id = task.id
       new_task.user_id = current_user.id
@@ -266,7 +266,7 @@ class QuestionBanksController < ApplicationController
     ActiveRecord::Base.transaction do
       new_topic = GraduationTopic.new
       new_topic.attributes = topic.attributes.dup.except("id", "course_id", "user_id", "graduation_topic_id",
-                                                         "course_list_id", "gtopic_bank_id")
+                                                         "course_list_id", "gtopic_bank_id", "created_at", "updated_at")
       new_topic.course_id = course.id
       new_topic.gtopic_bank_id = topic.id
       new_topic.user_id = current_user.id
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index dc68f47c6..17281087b 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -61,7 +61,7 @@ class UsersController < ApplicationController
     # 新消息数
     @new_message = @user.tidings.where("created_at > '#{@user.click_time}'").count > 0 || @user.private_messages.where("created_at > '#{@user.click_time}'").count > 0
 
-    @user_url = "#{@old_domain}/users/#{@user.login}"
+    @user_url = "/users/#{@user.login}"
     @career = Career.where(status: true).order("created_at asc").pluck(:id, :name)
     ec_user = EcSchoolUser.where(:user_id => current_user.id).first
     @auth = ec_user ? "#{@old_domain}/ecs/department?school_id=#{ec_user.school_id}" : nil
diff --git a/app/helpers/graduation_tasks_helper.rb b/app/helpers/graduation_tasks_helper.rb
index 5253b0d56..a5f05d623 100644
--- a/app/helpers/graduation_tasks_helper.rb
+++ b/app/helpers/graduation_tasks_helper.rb
@@ -14,7 +14,7 @@ module GraduationTasksHelper
 
   # 交叉评阅
   def cross_comment task, user_id
-    if task.cross_comment
+    if task.cross_comment && task.status >= 3
       [{id: 1, name: "只看我的交叉评阅", count: task.graduation_work_comment_assignations.myself(user_id).count}]
     else
       []
diff --git a/app/models/course.rb b/app/models/course.rb
index c0c7f1f23..e4ade6e9f 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -61,6 +61,8 @@ class Course < ApplicationRecord
 
   scope :hidden,      ->(is_hidden = true) { where(is_hidden: is_hidden) }
   scope :ended,       ->(is_end = true) { where(is_end: is_end) }
+  scope :processing,  -> { where(is_end: false) }
+  scope :not_deleted, -> { where(is_delete: 0) }
   scope :deleted,     ->(is_delete = 1) { where(is_delete: is_delete) }
   scope :by_user,     ->(user) { joins(:course_members).where('course_members.user_id = ?', user.id).order(updated_at: :desc) }
   scope :by_keywords, lambda { |keywords|
diff --git a/app/models/message.rb b/app/models/message.rb
index 26946f6d0..d3d507a72 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -56,11 +56,10 @@ class Message < ApplicationRecord
     from_board = Board.find(messages.first.board_id)
 
     root_ids = messages.map(&:id)
-    children = Message.where(parent_id: root_ids).select(:id).to_a
-    children_ids = children.map(&:id)
-    second_children = Message.where(parent_id: children_ids).select(:id).to_a
+    children_ids = Message.where(parent_id: root_ids).pluck(:id)
+    second_children_ids = Message.where(parent_id: children_ids).pluck(:id)
 
-    ids = root_ids.concat(children_ids).concat(second_children.map(&:id)).uniq
+    ids = root_ids.concat(children_ids).concat(second_children_ids).uniq
 
     ActiveRecord::Base.transaction do
       Message.where(id: ids, board_id: from_board.id).update_all(board_id: to_board.id)
diff --git a/app/services/users/course_service.rb b/app/services/users/course_service.rb
index 6271db17b..9eb34917e 100644
--- a/app/services/users/course_service.rb
+++ b/app/services/users/course_service.rb
@@ -11,7 +11,7 @@ class Users::CourseService
   end
 
   def call
-    courses = category_scope_courses.deleted(false)
+    courses = category_scope_courses.not_deleted
 
     courses = status_filter(courses)
 
@@ -38,9 +38,9 @@ class Users::CourseService
 
     case params[:status]
     when 'processing' then
-      relations.ended(false)
+      relations.processing
     when 'end' then
-      relations.ended(true)
+      relations.ended
     else
       relations
     end
diff --git a/app/tasks/exercise_publish_task.rb b/app/tasks/exercise_publish_task.rb
new file mode 100644
index 000000000..d0a52646b
--- /dev/null
+++ b/app/tasks/exercise_publish_task.rb
@@ -0,0 +1,111 @@
+class ExercisePublishTask
+  include ExercisesHelper
+  include GitHelper
+
+  def publish
+    Rails.logger.info("log--------------------------------exercise_publish start")
+    puts "--------------------------------exercise_publish start"
+    exercises = Exercise.where("publish_time is not null and exercise_status = 1 and publish_time <=?",Time.now)
+    exercises.each do |exercise|
+      exercise.update_column('exercise_status', 2)
+      course = exercise.course
+      tid_str = ""
+      course.teachers.find_each do |member|
+        tid_str += "," if tid_str != ""
+        tid_str += "(#{member.user_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+      end
+      if exercise.unified_setting
+        course.student.find_each do |student|
+          tid_str += "," if tid_str != ""
+          tid_str += "(#{student.student_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+        end
+      end
+      if tid_str != ""
+        tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
+        ActiveRecord::Base.connection.execute tid_sql
+      end
+
+      if exercise.exercise_users.count == 0
+        str = ""
+        course.students.find_each do |student|
+          str += "," if str != ""
+          str += "(#{student.user_id}, #{exercise.id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+        end
+
+        if str != ""
+          sql = "insert into exercise_users (user_id, exercise_id, commit_status, created_at, updated_at) values" + str
+          ActiveRecord::Base.connection.execute sql
+        end
+      end
+
+      if exercise.course_acts.size == 0
+        exercise.course_acts << CourseActivity.new(:user_id => exercise.user_id,:course_id => exercise.course_id)
+      end
+    end
+
+    # 分组设置发布时间的测验
+    exercise_group_settings = ExerciseGroupSetting.where("publish_time < ? and publish_time > ?", Time.now + 1800, Time.now - 1800)
+    exercise_group_settings.each do |exercise_group|
+      exercise = exercise_group.exercise
+      if exercise.present?
+        course = exercise.course
+        exercise.update_attributes(:exercise_status => 2) if exercise.exercise_status == 1
+        tid_str = ""
+        members = course.students.where(:course_group_id => exercise_group.course_group_id)
+        members.find_each do |member|
+          tid_str += "," if tid_str != ""
+          tid_str += "(#{member.user_id},#{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+        end
+        if tid_str != ""
+          tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
+          ActiveRecord::Base.connection.execute tid_sql
+        end
+      end
+    end
+    Rails.logger.info("log--------------------------------exercise_publish end")
+    puts "--------------------------------exercise_publish end"
+  end
+
+  def end
+    exercises = Exercise.where("end_time <=? and exercise_status = 2",Time.now)
+    exercises.each do |exercise|
+      course = exercise.course
+      exercise.update_column('exercise_status', 3)
+
+      exercise.exercise_users.each do |exercise_user|
+        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
+          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
+
+          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
+          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
+          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
+            exercise_user.update_attributes(:subjective_score => 0)
+          end
+        end
+      end
+    end
+
+    all_exercises = Exercise.where("end_time > ? and exercise_status = 2",Time.now)
+    exercise_ids = all_exercises.blank? ? "(-1)" : "(" + all_exercises.map(&:id).join(",") + ")"
+    ExerciseGroupSetting.where("end_time <= '#{Time.now}' and exercise_id in #{exercise_ids}").each do |exercise_setting|
+      exercise = exercise_setting.exercise
+
+      users = exercise.course.students.where(:course_group_id => exercise_setting.course_group_id)
+      exercise_users = exercise.exercise_users.where(:user_id => users.map(&:user_id))
+
+      exercise_users.each do |exercise_user|
+        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
+          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
+
+          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
+          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
+          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
+            exercise_user.update_attributes(:subjective_score => 0)
+          end
+        end
+      end
+    end
+    Rails.logger.info("log--------------------------------exercise_end completed")
+  end
+
+end
\ No newline at end of file
diff --git a/app/views/courses/index.json.jbuilder b/app/views/courses/index.json.jbuilder
index 23e8715af..1993851e8 100644
--- a/app/views/courses/index.json.jbuilder
+++ b/app/views/courses/index.json.jbuilder
@@ -10,7 +10,7 @@ json.courses do
     json.tasks_count get_tasks_count course
     json.visits course.visits
     json.is_public course.is_public
-    json.is_accessible course.is_public? ? true : (course.tea_id == @user.id || @user.course_identity(course) < 5)
+    json.is_accessible course.is_public == 1 || @user.course_identity(course) < Course::NORMAL
     json.is_end course.is_end
     json.first_category_url module_url(course.course_modules.first, course)
   end
diff --git a/app/views/exercises/exercise_lists.json.jbuilder b/app/views/exercises/exercise_lists.json.jbuilder
index b51e781c7..26723c894 100644
--- a/app/views/exercises/exercise_lists.json.jbuilder
+++ b/app/views/exercises/exercise_lists.json.jbuilder
@@ -15,6 +15,7 @@ json.exercise_types do
   json.exercise_id @exercise.id
   json.subjective @subjective_type  #是否包含主观题，1为包括，0为不包括
   json.exercise_end_time ((@ex_user_end_time.nil? || @ex_user_end_time < Time.now) ? "--" : how_much_time(@ex_user_end_time))
+  json.groups_count @c_group_counts
 end
 
 if @exercise_current_user_status == 0  #当为老师的时候
@@ -29,7 +30,6 @@ if @exercise_current_user_status == 0  #当为老师的时候
   else
     json.course_groups []
   end
-
 end
 
 if @current_user_ex_answers.present?
diff --git a/app/views/graduation_topics/show.json.jbuilder b/app/views/graduation_topics/show.json.jbuilder
index 440dc776e..87fcc87aa 100644
--- a/app/views/graduation_topics/show.json.jbuilder
+++ b/app/views/graduation_topics/show.json.jbuilder
@@ -7,13 +7,8 @@ json.edit_url edit_course_graduation_topic_path(@course, graduation_topic_id: @g
 json.users_count @users_count
 json.course_identity @current_user.course_identity(@course)
 json.user_selected_topic @graduation_topic.user_status(current_user.id)
-
-json.group_list do
-  json.array! @group_list do |group|
-    json.course_group_id group.id
-    json.group_name group.name
-  end
-end
+json.group_list @course.teacher_group(current_user.id)
+json.user_selected @user_selected
 
 # 列表数据
 json.users_list do
diff --git a/app/views/polls/poll_lists.json.jbuilder b/app/views/polls/poll_lists.json.jbuilder
index fef129599..f134967c9 100644
--- a/app/views/polls/poll_lists.json.jbuilder
+++ b/app/views/polls/poll_lists.json.jbuilder
@@ -16,6 +16,7 @@ json.poll_types do
   json.user_permission @poll_current_user_status  #当前用户存在且为课堂教师/管理员/超级管理员时为0 ，其他否则为1
   json.poll_id @poll.id
   json.poll_end_time @poll.end_time
+  json.groups_count @poll_group_counts
 end
 
 if @poll_current_user_status == 0
diff --git a/config/routes.rb b/config/routes.rb
index e7fac7331..ecd54c8c0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -303,6 +303,7 @@ Rails.application.routes.draw do
         post 'search_course_list'
         get 'board_list'
         get 'mine'
+        get 'search_slim'
       end
 
       resources :polls, only:[:index,:new,:create] do
diff --git a/db/migrate/20190505093440_init_use_index.rb b/db/migrate/20190505093440_init_use_index.rb
index d885c3a9d..b7c3101dd 100644
--- a/db/migrate/20190505093440_init_use_index.rb
+++ b/db/migrate/20190505093440_init_use_index.rb
@@ -2,8 +2,8 @@ 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
+    # 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/20190517080313_add_test_set_average_for_challenges.rb b/db/migrate/20190517080313_add_test_set_average_for_challenges.rb
index 59fabec9d..cac1d80bc 100644
--- a/db/migrate/20190517080313_add_test_set_average_for_challenges.rb
+++ b/db/migrate/20190517080313_add_test_set_average_for_challenges.rb
@@ -1,5 +1,5 @@
 class AddTestSetAverageForChallenges < ActiveRecord::Migration[5.2]
   def change
-    add_column :challenges, :test_set_average, :boolean, :default => false
+    add_column :challenges, :test_set_average, :boolean, :default => true
   end
 end
diff --git a/db/migrate/20190517083326_change_test_set_averger_for_challenges.rb b/db/migrate/20190517083326_change_test_set_averger_for_challenges.rb
deleted file mode 100644
index bf474245f..000000000
--- a/db/migrate/20190517083326_change_test_set_averger_for_challenges.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class ChangeTestSetAvergerForChallenges < ActiveRecord::Migration[5.2]
-  def change
-    change_column :challenges, :test_set_average, :boolean, :default => true
-  end
-end
diff --git a/db/migrate/20190621010002_change_default_to_max_num.rb b/db/migrate/20190621010002_change_default_to_max_num.rb
new file mode 100644
index 000000000..435756cd8
--- /dev/null
+++ b/db/migrate/20190621010002_change_default_to_max_num.rb
@@ -0,0 +1,5 @@
+class ChangeDefaultToMaxNum < ActiveRecord::Migration[5.2]
+  def change
+    change_column :graduation_tasks, :max_num, :integer, default: 5
+  end
+end
diff --git a/lib/tasks/course_board_message_count.rake b/lib/tasks/course_board_message_count.rake
new file mode 100644
index 000000000..35e439403
--- /dev/null
+++ b/lib/tasks/course_board_message_count.rake
@@ -0,0 +1,26 @@
+namespace :course_board do
+  desc 'transfer children message to root message board'
+  task children_message_transfer: :environment do
+    Board.find_each do |board|
+      logger("Current transfer board id: #{board.id} ~")
+
+      root_subquery = board.messages.where(parent_id: nil).reorder(nil).pluck(:id)
+      if root_subquery.present?
+        children_subquery = Message.where(parent_id: root_subquery).reorder(nil).pluck(:id)
+        if children_subquery.present?
+          second_children_subquery = Message.where(parent_id: children_subquery).reorder(nil).pluck(:id)
+
+          ids = children_subquery.concat(second_children_subquery).uniq
+          Message.where(id: ids).update_all(board_id: board.id)
+        end
+      end
+
+      Board.reset_counters(board.id, :messages)
+      logger("transfer success ~")
+    end
+  end
+
+  def logger(msg)
+    puts msg
+  end
+end
\ No newline at end of file
diff --git a/lib/tasks/exercise_publish.rake b/lib/tasks/exercise_publish.rake
index 8a13154cc..a26de1499 100644
--- a/lib/tasks/exercise_publish.rake
+++ b/lib/tasks/exercise_publish.rake
@@ -1,211 +1,268 @@
-#coding=utf-8
-
-namespace :exercise_publish do
-  desc "publish exercise and end exercise"
-  def get_mulscore(question, user)
-    ecs = ExerciseAnswer.where("user_id =? and exercise_question_id =?", user.id, question.id)
-    arr = []
-    ecs.each do |ec|
-      arr << ec.exercise_choice.choice_position
-    end
-    #arr = arr.sort
-    str = arr.sort.join("")
-    return str
-  end
-
-  def tran_base64_decode64 str
-    if str.blank?
-      str
-    else
-      s_size = str.size % 4
-      if s_size != 0
-        str += "=" * (4 - s_size)
-      end
-      Base64.decode64(str.tr("-_", "+/")).force_encoding("utf-8")
-    end
-  end
-
-  # def calculate_student_score(exercise, user)
-  #   score = 0
-  #   score1 = 0
-  #   score2 = 0
-  #   score3 = 0
-  #   score4 = 0
-  #   exercise_qustions = exercise.exercise_questions
-  #   exercise_qustions.each do |question|
-  #     if question.question_type != 5
-  #       answer = question.exercise_answers.where("#{ExerciseAnswer.table_name}.user_id = #{user.id}")
-  #       if question.question_type == 3
-  #         standard_answer =[]
-  #         question.exercise_standard_answers.each do |answer|
-  #           standard_answer << answer.answer_text.strip.downcase
-  #         end
-  #       else
-  #         standard_answer = question.exercise_standard_answers.first
-  #       end
-  #
-  #       unless answer.empty?
-  #         # 问答题有多个答案
-  #         if question.question_type == 3 && !standard_answer.empty?
-  #           if standard_answer.include?(answer.first.answer_text.strip.downcase)
-  #             score1 = score1+ question.question_score unless question.question_score.nil?
-  #           end
-  #         elsif question.question_type == 1 && !standard_answer.nil?
-  #           if answer.first.exercise_choice.choice_position == standard_answer.exercise_choice_id
-  #             score2 = score2 + question.question_score unless question.question_score.nil?
-  #           end
-  #         elsif question.question_type == 2 && !standard_answer.nil?
-  #           arr = get_mulscore(question, user)
-  #           if arr.to_i == standard_answer.exercise_choice_id
-  #             score3 = score3 + question.question_score unless question.question_score.nil?
-  #           end
-  #         end
-  #       end
-  #     else
-  #       question.exercise_shixun_challenges.each do |exercise_cha|
-  #         game = Game.where(:user_id => user.id, :challenge_id => exercise_cha.challenge_id).first
-  #         if game.present?
-  #           exercise_cha_score = 0
-  #           answer_status = 0
-  #           cha_path = exercise_cha.challenge.path.present? ? exercise_cha.challenge.path.split("；") : []
-  #           challeng_path = cha_path.reject(&:blank?)[0].try(:strip)
-  #           if game.status == 2 && game.final_score >= 0
-  #             exercise_cha_score = exercise_cha.question_score
-  #             answer_status = 1
-  #           end
-  #           if exercise_cha.exercise_shixun_answers.where(:user_id => user.id).empty?
-  #             if GameCode.where(:game_id => game.try(:id), :path => challeng_path).first.present?
-  #               game_code = GameCode.where(:game_id => game.try(:id), :path => challeng_path).first
-  #               code = game_code.try(:new_code)
-  #             else
-  #               begin
-  #                 g = Gitlab.client
-  #                 Rails.logger.info "commit_exercise_path---- #{challeng_path}"
-  #                 if game.present?
-  #                   code = g.files(game.myshixun.gpid, challeng_path, "master").try(:content)
-  #                 else
-  #                   code = g.files(question.shixun.gpid, challeng_path, "master").try(:content)
-  #                 end
-  #                 code = tran_base64_decode64(code)
-  #               rescue Exception => e
-  #                 @error_messages = e.message
-  #                 Rails.logger.info "commit_exercise---- #{@error_messages}"
-  #               end
-  #             end
-  #             ExerciseShixunAnswer.create(:exercise_question_id => question.id, :exercise_shixun_challenge_id => exercise_cha.id, :user_id => user.id,
-  #                                         :score => exercise_cha_score, :answer_text => code, :status => answer_status)
-  #
-  #           end
-  #           score4 += exercise_cha_score
-  #         end
-  #       end
-  #     end
-  #   end
-  #   score = score1 + score2 + score3 + score4
-  # end
-
-  task :publish => :environment do
-    Rails.logger.info("log--------------------------------exercise_publish start")
-    puts "--------------------------------exercise_publish start"
-    exercises = Exercise.where("publish_time is not null and exercise_status = 1 and publish_time <=?",Time.now)
-    exercises.each do |exercise|
-      exercise.update_column('exercise_status', 2)
-      course = exercise.course
-      tid_str = ""
-      course.teachers.find_each do |member|
-        tid_str += "," if tid_str != ""
-        tid_str += "(#{member.user_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
-      end
-      if exercise.unified_setting
-        course.student.find_each do |student|
-          tid_str += "," if tid_str != ""
-          tid_str += "(#{student.student_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
-        end
-      end
-      if tid_str != ""
-        tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
-        ActiveRecord::Base.connection.execute tid_sql
-      end
-
-      if exercise.exercise_users.count == 0
-        str = ""
-        course.student.find_each do |student|
-          str += "," if str != ""
-          str += "(#{student.user_id}, #{exercise.id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
-        end
-
-        if str != ""
-          sql = "insert into exercise_users (user_id, exercise_id, commit_status, created_at, updated_at) values" + str
-          ActiveRecord::Base.connection.execute sql
-        end
-      end
-
-      if exercise.course_acts.size == 0
-        exercise.course_acts << CourseActivity.new(:user_id => exercise.user_id,:course_id => exercise.course_id)
-      end
-    end
-
-    # 分组设置发布时间的测验
-    exercise_group_settings = ExerciseGroupSetting.where("publish_time < ? and publish_time > ?", Time.now + 1800, Time.now - 1800)
-    exercise_group_settings.each do |exercise_group|
-      exercise = exercise_group.exercise
-      if exercise.present?
-        course = exercise.course
-        exercise.update_attributes(:exercise_status => 2) if exercise.exercise_status == 1
-        tid_str = ""
-        members = course.students.where(:course_group_id => exercise_group.course_group_id)
-        members.find_each do |member|
-          tid_str += "," if tid_str != ""
-          tid_str += "(#{member.user_id},#{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
-        end
-        if tid_str != ""
-          tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
-          ActiveRecord::Base.connection.execute tid_sql
-        end
-      end
-    end
-    Rails.logger.info("log--------------------------------exercise_publish end")
-    puts "--------------------------------exercise_publish end"
-  end
-
-  task :end => :environment do
-    exercises = Exercise.where("end_time <=? and exercise_status = 2",Time.now)
-    exercises.each do |exercise|
-      course = exercise.course
-      exercise.update_column('exercise_status', 3)
-
-      exercise.exercise_users.each do |exercise_user|
-        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
-          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
-
-          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
-          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
-          if exercise_user.user.exercise_answer.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
-            exercise_user.update_attributes(:subjective_score => 0)
-          end
-        end
-      end
-    end
-
-    all_exercises = Exercise.where("end_time > ? and exercise_status = 2",Time.now)
-    exercise_ids = all_exercises.blank? ? "(-1)" : "(" + all_exercises.map(&:id).join(",") + ")"
-    ExerciseGroupSetting.where("end_time <= '#{Time.now}' and exercise_id in #{exercise_ids}").each do |exercise_setting|
-      exercise = exercise_setting.exercise
-
-      users = exercise.course.students.where(:course_group_id => exercise_setting.course_group_id)
-      exercise_users = exercise.exercise_users.where(:user_id => users.map(&:user_id))
-
-      exercise_users.each do |exercise_user|
-        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
-          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
-
-          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
-          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
-          if exercise_user.user.exercise_answer.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
-            exercise_user.update_attributes(:subjective_score => 0)
-          end
-        end
-      end
-    end
-  end
-end
+# #coding=utf-8
+#
+# namespace :exercise_publish do
+#   desc "publish exercise and end exercise"
+#   def get_mulscore(question, user)
+#     ecs = ExerciseAnswer.where("user_id =? and exercise_question_id =?", user.id, question.id)
+#     arr = []
+#     ecs.each do |ec|
+#       arr << ec.exercise_choice.choice_position
+#     end
+#     #arr = arr.sort
+#     str = arr.sort.join("")
+#     return str
+#   end
+#
+#   def tran_base64_decode64 str
+#     if str.blank?
+#       str
+#     else
+#       s_size = str.size % 4
+#       if s_size != 0
+#         str += "=" * (4 - s_size)
+#       end
+#       Base64.decode64(str.tr("-_", "+/")).force_encoding("utf-8")
+#     end
+#   end
+#
+#   #计算试卷的总分和试卷的答题状态
+#   def calculate_student_score(exercise,user)
+#     score1 = 0.0 #选择题/判断题
+#     score2 = 0.0 #填空题
+#     score5 = 0.0  #实训题
+#     ques_stand = []  #问题是否正确
+#     exercise_questions = exercise.exercise_questions
+#     exercise_questions.each do |q|
+#       if q.question_type != 5
+#         answers_content = q.exercise_answers.search_answer_users("user_id",user.id)  #学生的答案
+#       else
+#         answers_content = q.exercise_shixun_answers.search_shixun_answers("user_id",user.id)  #学生的答案
+#       end
+#       if q.question_type <= 2  #为选择题或判断题时
+#         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
+#         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.count > 0
+#             multi_each_score = (q.question_score / standard_answer.count)   #当多选答案正确时，每个answer的分数均摊。
+#           else
+#             multi_each_score = 0.0
+#           end
+#           answers_content.update_all(:score => multi_each_score)
+#           score1 = score1 + q.question_score
+#         end
+#       elsif q.question_type == 3   #填空题
+#         null_standard_answer = q.exercise_standard_answers
+#         standard_answer_array = null_standard_answer.select(:exercise_choice_id,:answer_text)
+#         standard_answer_ids = standard_answer_array.pluck(:exercise_choice_id).reject(&:blank?).uniq   #标准答案的exercise_choice_id数组
+#         standard_answer_count = standard_answer_ids.count
+#         if standard_answer_count > 0  #存在标准答案时才有分数
+#           each_standard_score = (q.question_score.to_f / standard_answer_count).round(1) #每一空的得分
+#         else
+#           each_standard_score = 0.0
+#         end
+#         if q.is_ordered
+#           answers_content.each do |u|
+#             i_standard_answer = standard_answer_array.where(exercise_choice_id:u.exercise_choice_id).pluck(:answer_text).reject(&:blank?).map!(&:downcase)   #该选项的全部标准答案
+#             if i_standard_answer.include?(u.answer_text.downcase)  #该空的标准答案包含用户的答案才有分数
+#               u.update_attribute("score",each_standard_score)
+#               score2 = score2 + each_standard_score
+#             end
+#           end
+#         else
+#           st_answer_text = standard_answer_array.pluck(:answer_text).reject(&:blank?).map!(&:downcase)
+#           answers_content.each do |u|
+#             u_answer_text = u.answer_text.downcase
+#             if st_answer_text.include?(u_answer_text)   #只要标准答案包含用户的答案，就有分数。同时，下一次循环时，就会删除该标准答案。防止用户的相同答案获分
+#               u.update_attribute("score",each_standard_score)
+#               score2 = score2 + each_standard_score
+#               st_answer_text.delete(u_answer_text)
+#             end
+#           end
+#         end
+#       elsif q.question_type == 5   #实训题时，主观题这里不评分
+#         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
+#             answer_status = 0
+#             cha_path = exercise_cha.challenge.path.present? ? exercise_cha.challenge.path.split("；").reject(&:blank?) : []
+#             if game.status == 2 && game.final_score >= 0
+#               exercise_cha_score = game.real_score exercise_cha.question_score #每一关卡的得分
+#               answer_status = 1
+#             end
+#             if exercise_cha.exercise_shixun_answers.search_shixun_answers("user_id",user.id).blank?  #把关卡的答案存入试卷的实训里
+#               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
+#                   content = GitService.file_content(repo_path: exercise_cha.shixun.repo_path, path: cha_path)["content"]
+#                   decode_content = nil
+#                   if content.present?
+#                     content = Base64.decode64(content)
+#                     cd = CharDet.detect(content)
+#                     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
+#                   uid_logger_error(e.message)
+#                   raise Educoder::TipException.new("文档内容获取异常")
+#                 end
+#                 code = git_fle_content(exercise_cha.shixun.repo_path,cha_path)
+#               end
+#               sx_option = {
+#                   :exercise_question_id => q.id,
+#                   :exercise_shixun_challenge_id => exercise_cha.id,
+#                   :user_id => user.id,
+#                   :score => exercise_cha_score,
+#                   :answer_text => code,
+#                   :status => answer_status
+#               }
+#               ex_shixun_answer = ExerciseShixunAnswer.new(sx_option)
+#               ex_shixun_answer.save!
+#             end
+#             score5 += exercise_cha_score
+#           end
+#         end
+#       end
+#       user_scores = answers_content.score_reviewed.pluck(:score).sum
+#       if user_scores > 0
+#         stand_answer = 1
+#       else
+#         stand_answer = 0
+#       end
+#       ques_option = {
+#           "q_id":q.id,   #该问题的id
+#           "q_type":q.question_type,
+#           "q_position":q.question_number, #该问题的位置
+#           "stand_status":stand_answer,  #该问题是否正确,1为正确，0为错误
+#           "user_score":user_scores  #每个问题的总得分
+#       }
+#       ques_stand.push(ques_option)
+#     end
+#     total_score = score1 + score2 + score5
+#     {
+#         "total_score":total_score,
+#         "stand_status":ques_stand
+#     }
+#   end
+#
+#   task :publish => :environment do
+#     Rails.logger.info("log--------------------------------exercise_publish start")
+#     puts "--------------------------------exercise_publish start"
+#     exercises = Exercise.where("publish_time is not null and exercise_status = 1 and publish_time <=?",Time.now)
+#     exercises.each do |exercise|
+#       exercise.update_column('exercise_status', 2)
+#       course = exercise.course
+#       tid_str = ""
+#       course.teachers.find_each do |member|
+#         tid_str += "," if tid_str != ""
+#         tid_str += "(#{member.user_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+#       end
+#       if exercise.unified_setting
+#         course.student.find_each do |student|
+#           tid_str += "," if tid_str != ""
+#           tid_str += "(#{student.student_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+#         end
+#       end
+#       if tid_str != ""
+#         tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
+#         ActiveRecord::Base.connection.execute tid_sql
+#       end
+#
+#       if exercise.exercise_users.count == 0
+#         str = ""
+#         course.student.find_each do |student|
+#           str += "," if str != ""
+#           str += "(#{student.user_id}, #{exercise.id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+#         end
+#
+#         if str != ""
+#           sql = "insert into exercise_users (user_id, exercise_id, commit_status, created_at, updated_at) values" + str
+#           ActiveRecord::Base.connection.execute sql
+#         end
+#       end
+#
+#       if exercise.course_acts.size == 0
+#         exercise.course_acts << CourseActivity.new(:user_id => exercise.user_id,:course_id => exercise.course_id)
+#       end
+#     end
+#
+#     # 分组设置发布时间的测验
+#     exercise_group_settings = ExerciseGroupSetting.where("publish_time < ? and publish_time > ?", Time.now + 1800, Time.now - 1800)
+#     exercise_group_settings.each do |exercise_group|
+#       exercise = exercise_group.exercise
+#       if exercise.present?
+#         course = exercise.course
+#         exercise.update_attributes(:exercise_status => 2) if exercise.exercise_status == 1
+#         tid_str = ""
+#         members = course.students.where(:course_group_id => exercise_group.course_group_id)
+#         members.find_each do |member|
+#           tid_str += "," if tid_str != ""
+#           tid_str += "(#{member.user_id},#{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
+#         end
+#         if tid_str != ""
+#           tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
+#           ActiveRecord::Base.connection.execute tid_sql
+#         end
+#       end
+#     end
+#     Rails.logger.info("log--------------------------------exercise_publish end")
+#     puts "--------------------------------exercise_publish end"
+#   end
+#
+#   task :end => :environment do
+#     # include ExercisesHelper
+#     # include ApplicationController
+#
+#     exercises = Exercise.where("end_time <=? and exercise_status = 2",Time.now)
+#     exercises.each do |exercise|
+#       course = exercise.course
+#       exercise.update_column('exercise_status', 3)
+#
+#       exercise.exercise_users.each do |exercise_user|
+#         if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
+#           exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
+#
+#           s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
+#           exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
+#           if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
+#             exercise_user.update_attributes(:subjective_score => 0)
+#           end
+#         end
+#       end
+#     end
+#
+#     all_exercises = Exercise.where("end_time > ? and exercise_status = 2",Time.now)
+#     exercise_ids = all_exercises.blank? ? "(-1)" : "(" + all_exercises.map(&:id).join(",") + ")"
+#     ExerciseGroupSetting.where("end_time <= '#{Time.now}' and exercise_id in #{exercise_ids}").each do |exercise_setting|
+#       exercise = exercise_setting.exercise
+#
+#       users = exercise.course.students.where(:course_group_id => exercise_setting.course_group_id)
+#       exercise_users = exercise.exercise_users.where(:user_id => users.map(&:user_id))
+#
+#       exercise_users.each do |exercise_user|
+#         if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
+#           exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)
+#
+#           s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
+#           exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
+#           if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
+#             exercise_user.update_attributes(:subjective_score => 0)
+#           end
+#         end
+#       end
+#     end
+#     Rails.logger.info("log--------------------------------exercise_end completed")
+#   end
+# end