diff --git a/app/controllers/subjects_controller.rb b/app/controllers/subjects_controller.rb
index 55f8722a2..ac5bd027f 100644
--- a/app/controllers/subjects_controller.rb
+++ b/app/controllers/subjects_controller.rb
@@ -1,5 +1,5 @@
 class SubjectsController < ApplicationController
-  before_action :require_login, :check_auth, except: [:index, :show]
+  before_action :require_login, :check_auth, except: [:index, :show, :right_banner]
   # before_action :check_auth, except: [:index]
   before_action :check_account, except: [:index, :show]
   before_action :find_subject, except: [:index, :create, :new, :append_to_stage]
@@ -85,17 +85,6 @@ class SubjectsController < ApplicationController
     # 合作团队
     @shixuns = @subject.shixuns.published.pluck(:id)
     @courses = @subject.courses if @subject.excellent
-
-    @members = @subject.subject_members.includes(:user)
-    shixuns = @subject.shixuns.published.pluck(:id)
-    challenge_ids = Challenge.where(shixun_id: shixuns).pluck(:id)
-    # 实训路径中的所有实训标签
-    @tags = ChallengeTag.where(challenge_id: challenge_ids).pluck(:name).uniq
-    # 用户获取的实训标签
-    # @user_tags = @subject.shixuns.map(&:user_tags_name).flatten.uniq
-    @user_tags = user_shixun_tags challenge_ids, @user.id
-    @my_subject_progress = @subject.my_subject_progress
-
     # 访问数变更
     @subject.increment!(:visits)
   end
diff --git a/app/views/subjects/show.json.jbuilder b/app/views/subjects/show.json.jbuilder
index ec76b5a2d..53e76a96f 100644
--- a/app/views/subjects/show.json.jbuilder
+++ b/app/views/subjects/show.json.jbuilder
@@ -23,26 +23,4 @@ if @subject.excellent
     json.course_identity @user.course_identity(course)
     json.course_status subject_course_status course
   end
-end
-
-
-json.members @members do |member|
-  json.partial! 'subject_member', locals: { user: member.user }
-  json.role member.role
-end
-
-# 技能标签
-json.tags @tags do |tag|
-  unless tag.blank?
-    json.tag_name tag
-    json.status @user_tags.include?(tag)
-  end
-end
-
-# 我的进展
-json.progress do
-  json.my_score @subject.my_subject_score
-  json.all_score @subject.all_score
-  json.learned @subject.my_subject_progress
-  json.time  @subject.my_consume_time
 end
\ No newline at end of file
diff --git a/lib/tasks/public_course.rake b/lib/tasks/public_course.rake
index 13ef7b2e7..0f10b84ad 100644
--- a/lib/tasks/public_course.rake
+++ b/lib/tasks/public_course.rake
@@ -48,27 +48,17 @@ namespace :public_course do
     end
   end
 
-  #
-  task :message => :environment do
-    discusses = Discuss.find_by_sql("select content, user_id, created_on, updated_on from discusses where dis_id in (select shixun_id from stage_shixuns where
-                                   stage_id in (select id from stages where subject_id=#{subject_id})) and created_at > #{start_time} and
-                                   created_at<#{end_time}")
-    discusses.find_each do |discuss|
-      puts discuss.user_id
-      puts discuss.content
-      # 回复帖子
-      # 讨论区发布帖子
-      # Message.create!(board: @message.board, root_id: @message.root_id || @message.id,
-      #                 author: current_user, parent: @message,
-      #                 message_detail_attributes: {
-      #                     content: params[:content]
-      #                 })
+  task :test_user => :environment do
+    users = User.where(is_test: true)
+    users.find_each do |user|
+      puts user.id
+      CourseMember.create!(course_id: course_id, user_id: user.id, role: 4)
     end
   end
 
 
   # 更新某个课程的某类时间
-  # 执行示例  bundle exec rake public_course:student args=2903,1
+  # 执行示例  bundle exec rake public_course:time args=-1,2932,1,1
   task :time => :environment do
     # course_id = ENV['args'].split(",")[0] # 对应课堂的id
     # type = ENV['args'].split(",")[1]
@@ -78,6 +68,11 @@ namespace :public_course do
     case type.to_i
     when 1
       # 讨论区
+      created_on = random_time start_time, end_time
+      messages = Message.where(board_id: course.boards)
+      message_details = MessageDetail.where(message_id: messages)
+      messages.update_columns(created_on: created_on, updated_on: created_on)
+      message_details.update_columns(created_at: created_on, updated_at: created_on)
 
     when 2
       # 作业