diff --git a/application/admin/controller/Message.php b/application/admin/controller/Message.php
index e905565..868e8f2 100644
--- a/application/admin/controller/Message.php
+++ b/application/admin/controller/Message.php
@@ -135,6 +135,7 @@ class Message extends Backend
                 ->auth($this->auth)
                 //->whereRaw("FIND_IN_SET(?, read_uid) = 0 OR read_uid IS NULL OR read_uid = ''", [$this->auth->id])
                 ->whereRaw("FIND_IN_SET({$this->auth->id}, read_uid) = 0 OR read_uid = ''  or read_uid is null")
+                ->whereTime('create_time', '>=', '-30 days')
                 ->count();
         }
         return [