diff --git a/app/models/user.rb b/app/models/user.rb
index 2714117e9..aa048888c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -344,7 +344,8 @@ class User < Principal
     user_feedback_count = UserFeedbackMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
     user_memo_count = MemoMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
     system_messages_count = SystemMessage.where("created_at >?", User.current.onclick_time.onclick_time).count
-    messages_count = course_count + forge_count + user_feedback_count + user_memo_count + system_messages_count
+    at_count = AtMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
+    messages_count = course_count + forge_count + user_feedback_count + user_memo_count + system_messages_count + at_count
   end
 
   # 查询指派给我的缺陷记录