diff --git a/app/controllers/org_document_comments_controller.rb b/app/controllers/org_document_comments_controller.rb
index 82062d3dd..d7e38f370 100644
--- a/app/controllers/org_document_comments_controller.rb
+++ b/app/controllers/org_document_comments_controller.rb
@@ -1,5 +1,6 @@
 class OrgDocumentCommentsController < ApplicationController
   before_filter :find_organization, :only => [:new, :create, :show, :index]
+  before_filter :authorize_allowed, :only => [:create, :add_reply]
   helper :attachments,:organizations
   layout 'base_org'
 
@@ -101,6 +102,13 @@ class OrgDocumentCommentsController < ApplicationController
     @organization = Organization.find(params[:organization_id])
   end
 
+  def authorize_allowed
+    unless User.current.logged?
+      redirect_to signin_url
+      return
+    end
+  end
+
   def destroy
     @org_document_comment = OrgDocumentComment.find(params[:id])
     @org_sub_id = @org_document_comment.org_subfield_id
diff --git a/app/controllers/sub_document_comments_controller.rb b/app/controllers/sub_document_comments_controller.rb
index cdf153a20..80c14f004 100644
--- a/app/controllers/sub_document_comments_controller.rb
+++ b/app/controllers/sub_document_comments_controller.rb
@@ -1,6 +1,7 @@
 class SubDocumentCommentsController < ApplicationController
   before_filter :find_subdomain_and_subfield, :only => [:new, :create, :show, :index, :destroy, :edit]
   before_filter :find_subfield_content, :only => [:show, :index]
+  before_filter :authorize_allowed, :only => [:create, :add_reply]
   helper :attachments,:organizations
   layout 'base_sub_domain'
 
@@ -207,4 +208,11 @@ class SubDocumentCommentsController < ApplicationController
   def find_subfield_content
     @subfield_content = @organization.org_subfields.order("priority")
   end
+
+  def authorize_allowed
+    unless User.current.logged?
+      redirect_to signin_url
+      return
+    end
+  end
 end
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 877d799bf..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
 
@@ -169,7 +169,7 @@ class News < ActiveRecord::Base
     if self.course
       self.course.members.each do |m|
         if m.user_id != self.author_id
-          # self.delay.send_message(m.user_id, self.course_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
@@ -189,9 +189,19 @@ class News < ActiveRecord::Base
     end
   end
 
-  # def send_message user_id, course_id
-  #   self.course_messages << CourseMessage.new(:user_id => user_id, :course_id => course_id, :viewed => false)
-  # end
+  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)
+      end
+    end
+  end
 
   # Time 2015-03-31 13:50:54
   # Author lizanle