...

app/views/courses/show.html.erb

@@ -49,6 +49,8 @@
             </div><!--课程动态 end-->
         <% end%>
     <% end%>
+<% elsif @controller_name=='ActivityNotifys' %>
+    <p class="nodata"><%= l(:label_no_data) %></p>
 <% end%>
 <% if @obj_pages.next_page.nil? && @controller_name!='ActivityNotifys' %>
 <div class="problem_main">