diff --git a/app/models/message.rb b/app/models/message.rb
index fdc3c6bdc..cf9adab4e 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -83,7 +83,7 @@ class Message < ActiveRecord::Base
   # after_create :add_author_as_watcher, :reset_counters!, :add_boards_count
   after_update :update_messages_board, :update_activity
   after_destroy :reset_counters!,:down_user_score,:delete_kindeditor_assets, :decrease_boards_count, :down_course_score
-  after_create :act_as_course_activity, :act_as_forge_activity, :act_as_student_score, act_as_at_message(:content, :author_id), :add_author_as_watcher, :reset_counters!, :add_boards_count, :act_as_system_message
+  after_create :act_as_course_activity, :act_as_forge_activity, :act_as_student_score, act_as_at_message(:content, :author_id), :add_author_as_watcher, :reset_counters!, :add_boards_count, :act_as_system_message, :delay_message_send
   #before_save :be_user_score
 
   scope :visible, lambda {|*args|
@@ -308,6 +308,22 @@ class Message < ActiveRecord::Base
     end
   end
 
+  def delay_message_send
+    if self.course
+      if self.parent_id.nil?   # 发帖
+        self.delay.contain_messages_message
+      end
+    end
+  end
+
+  def contain_messages_message
+    self.course.members.includes(:user).each do |m|
+      if self.author.allowed_to?(:as_teacher, self.course) &&  m.user_id != self.author_id   # 老师 自己的帖子不给自己发送消息
+        self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.board.course_id, :viewed => false)
+      end
+    end
+  end
+
   #更新用户分数     -by zjc
   def be_user_score
     #新建message且无parent的为发帖
diff --git a/app/models/news.rb b/app/models/news.rb
index beb58799f..0b03dcc48 100644
--- a/app/models/news.rb
+++ b/app/models/news.rb
@@ -62,7 +62,7 @@ class News < ActiveRecord::Base
                             :author_key => :author_id
   acts_as_watchable
 
-  after_create :act_as_activity,:act_as_forge_activity, :act_as_course_activity, :add_author_as_watcher, :send_mail, :add_news_count, :act_as_student_score, :act_as_system_message
+  after_create :act_as_activity,:act_as_forge_activity, :act_as_course_activity, :add_author_as_watcher, :send_mail, :add_news_count, :act_as_student_score, :act_as_system_message, :delay_news_send
   after_update :update_activity
   after_destroy :delete_kindeditor_assets, :decrease_news_count, :delete_org_activities, :down_course_score
 
@@ -167,7 +167,17 @@ class News < ActiveRecord::Base
   # 消息发送原则：除了消息的发布者，课程的其它成员都能收到消息提醒
   def act_as_system_message
     if self.course
-      self.delay.send_message
+      self.course.members.each do |m|
+        if m.user_id != self.author_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
+            content = strip_html self.author.try(:realname) + " 发布了通知：" + self.title.html_safe, 200
+            ws.message_update_template m.user_id, "course_notice", self.id, "#{l(:label_new_notice_template)}", content, format_time(self.created_on)
+          end
+        end
+      end
     else
       if !self.project.nil?
         self.project.members.each do |m|
@@ -179,17 +189,16 @@ class News < ActiveRecord::Base
     end
   end
 
-  def send_message
+  def delay_news_send
+    if self.course
+      self.delay.contain_news_message
+    end
+  end
+
+  def contain_news_message
     self.course.members.each do |m|
       if m.user_id != self.author_id
         self.course_messages << CourseMessage.new(:user_id => user_id, :course_id => container_id, :viewed => false)
-        # 微信相关
-        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
-          content = strip_html self.author.try(:realname) + " 发布了通知：" + self.title.html_safe, 200
-          ws.message_update_template m.user_id, "course_notice", self.id, "#{l(:label_new_notice_template)}", content, format_time(self.created_on)
-        end
       end
     end
   end