diff --git a/app/views/organizations/_org_course_message.html.erb b/app/views/organizations/_org_course_message.html.erb
index f4d42150b..e86159dab 100644
--- a/app/views/organizations/_org_course_message.html.erb
+++ b/app/views/organizations/_org_course_message.html.erb
@@ -12,7 +12,7 @@
             <%= link_to activity.try(:author).try(:realname), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% end %>
         TO
-        <%= link_to activity.course.name.to_s+" | 课程问答区", course_boards_url_in_org(activity.course), :class => "newsBlue ml15 mr5"%>
+        <%= link_to activity.course.name.to_s+" | 课程问答区", course_boards_url_in_org(activity.course.id), :class => "newsBlue ml15 mr5"%>
       </div>
       <div class="homepagePostTitle hidden m_w530 fl">
         <% if activity.parent_id.nil? %> <!--+"(帖子标题)"-->