diff --git a/app/chat/controller/GroupController.php b/app/chat/controller/GroupController.php
index 24f8437..9186089 100644
--- a/app/chat/controller/GroupController.php
+++ b/app/chat/controller/GroupController.php
@@ -274,6 +274,7 @@ class GroupController extends ApiController
             'user_id' => $this->uid,
         ])->update(['quit_time' => d()]);
         if($res) {
+            Redis::del('usermsg:list:' . $this->user_type . ':' . $this->uid);
             return $this->success();
         }
         return $this->error();