diff --git a/app/models/homework_common.rb b/app/models/homework_common.rb
index 998ace441..f11a48a80 100644
--- a/app/models/homework_common.rb
+++ b/app/models/homework_common.rb
@@ -29,8 +29,8 @@ class HomeworkCommon < ActiveRecord::Base
                 :description => :description,
                 :author => :author,
                 :url => Proc.new {|o| {:controller => 'student_work', :action => 'index', :homework => o.id}}
-  after_create :act_as_activity, :send_mail, :act_as_course_message
-  after_update :update_activity, :wechat_message
+  after_create :act_as_activity, :send_mail
+  after_update :update_activity
   after_save :act_as_course_activity
   after_destroy :delete_kindeditor_assets
 
@@ -60,11 +60,11 @@ class HomeworkCommon < ActiveRecord::Base
         self.course.members.each do |m|
           # if m.user_id != self.user_id
           self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.course_id, :viewed => false)
-          count = ShieldWechatMessage.where("container_type='User' and container_id=#{m.user_id} and shield_type='Course' and shield_id=#{self.course_id}").count
-          if count == 0
-            ws = WechatService.new
-            ws.homework_template(m.user_id, "homework", self.id, "#{l(:label_new_homework_template)}", self.course.name, self.name.html_safe, self.end_time.to_s + " 23:59:59")
-          end
+          #count = ShieldWechatMessage.where("container_type='User' and container_id=#{m.user_id} and shield_type='Course' and shield_id=#{self.course_id}").count
+          #if count == 0
+          #  ws = WechatService.new
+          #  ws.homework_template(m.user_id, "homework", self.id, "#{l(:label_new_homework_template)}", self.course.name, self.name.html_safe, self.end_time.to_s + " 23:59:59")
+          #end
           # end
         end
       end