diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index d0de1690a..13012a70c 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -570,11 +570,6 @@ module CoursesHelper
       end
     end
 
-    #message_count
-    #Board.where(course_id: @course_ids).each do |board|
-    #  activities[board.course_id]+=board.messages.where("updated_on>?", date_from).count
-    #end
-
     #message_count
     Board.where(course_id: @course_ids).each do |board|
       countmessage = 0
@@ -594,24 +589,15 @@ module CoursesHelper
       end  
     end
 
-    #feedback_count 留言目前有问题留待下一步处理
-    #JournalsForMessage.where(jour_id: @course_ids, jour_type: Course).each do |jourformess|
-    #  activities[jourformess.jour_id]+=1
-    #end
-
     #homework_count
-    HomeworkForCourse.where(course_id: @course_ids).each do |homework|
-      countbid=0
-      #  @bid_ids<<homework.bid_id
-      Bid.where(id: homework.bid_id).where("created_on>?",date_from).each do |bid|
-        countbid+=1
-      end
-      activities[homework.course_id]+=countbid
-    end
-
-    #@bid_ids.each do |bid_id|
-    #  activities[] +=Bid.where(id: bid_id ).where("created_on>?",date_from).count
-    #end
+    # HomeworkForCourse.where(course_id: @course_ids).each do |homework|
+    #   countbid=0
+    #   #  @bid_ids<<homework.bid_id
+    #   Bid.where(id: homework.bid_id).where("created_on>?",date_from).each do |bid|
+    #     countbid+=1
+    #   end
+    #   activities[homework.course_id]+=countbid
+    # end
 
     #poll_count
     # 动态目前只统计发布的问卷，关闭的问卷不在动态内显示