From d9dd744fb1f20781c23bb5e9aabe0993bfc275d8 Mon Sep 17 00:00:00 2001
From: yutao <283765470@qq.com>
Date: Fri, 5 Jun 2015 10:16:16 +0800
Subject: [PATCH] ...

---
 app/controllers/messages_controller.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index c3cb3d8c9..b1da35cfc 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -99,7 +99,7 @@ class MessagesController < ApplicationController
           for teacher in teachers
             if(teacher.user_id != User.current.id)
               notify = ActivityNotify.new()
-              if(@board.course_id>0)
+              if(@board.course)
                 notify.activity_container_id = @board.course_id
                 notify.activity_container_type = 'Course'
               else
@@ -188,7 +188,7 @@ class MessagesController < ApplicationController
         notifyto_arr.each do |k,user_id|
           if(user_id != User.current.id)
             notify = ActivityNotify.new()
-            if(@board.course_id>0)
+            if(@board.course)
               notify.activity_container_id = @board.course_id
               notify.activity_container_type = 'Course'
             else