消息每种类型为空的时候给出提示

app/controllers/users_controller.rb

@@ -116,7 +116,7 @@ class UsersController < ApplicationController
       user_querys.update_all(:viewed => true)
       forum_querys.update_all(:viewed => true)
     end
-    @new_message_count = forge_querys.count + forum_querys.count + course_querys.count + user_querys.count
+    # @new_message_count = forge_querys.count + forum_querys.count + course_querys.count + user_querys.count
     case params[:type]
       when nil
         @message_alls = []

app/views/users/user_messages.html.erb

@@ -30,7 +30,7 @@
       </ul>
     </div>
     <div>
-    <% if @new_message_count >0 %>
+    <% if @message_alls.count >0 %>
         <%# 课程消息 %>
         <% unless @message_alls.nil? %>
             <% @message_alls.each do |ma| %>