diff --git a/app/chat/controller/MessageController.php b/app/chat/controller/MessageController.php
index 226cabe..7f1d844 100644
--- a/app/chat/controller/MessageController.php
+++ b/app/chat/controller/MessageController.php
@@ -234,13 +234,13 @@ class MessageController extends ApiController
         $list_json = Redis::get('usermsg:list:' . $this->user_type . ':' . $this->uid);
         if($list_json) {
             $list_arr = json_decode($list_json, true);
-            foreach ($list_arr as $k => $list) {
+            foreach ($list_arr as $k => &$list) {
                 if($list['session_id'] == $session_id) {
-                    $list['id_del'] = 1;
+                    $list['is_del'] = 1;
                 }
             }
             if(count($list_arr) >= 1) {
-                Redis::setEx('usermsg:list:' . $this->user_type . ':' . $this->uid, 30 * 86400, json_encode($list_arr));
+                Redis::set('usermsg:list:' . $this->user_type . ':' . $this->uid, json_encode($list_arr));
             }else {
                 Redis::del('usermsg:list:' . $this->user_type . ':' . $this->uid);
             }