diff --git a/app/chat/controller/MessageController.php b/app/chat/controller/MessageController.php
index 79ef13a..4aa1366 100644
--- a/app/chat/controller/MessageController.php
+++ b/app/chat/controller/MessageController.php
@@ -78,7 +78,7 @@ class MessageController extends ApiController
 //        }
         foreach ($messages as $k => &$v) {
             $v['send_time'] = formatWeChatTime($v['send_time']);
-            $v['coupon'] = json_decode($v['coupon']);
+            $v['coupon'] = !empty($v['coupon'])?json_decode($v['coupon']):'';
             // 判断是谁发的
             if($v['from_id'] == $this->uid) {
                 $v['is_user_send'] = 1; // 自己发的
@@ -203,7 +203,7 @@ class MessageController extends ApiController
             $list_arr = json_decode($list_json, true);
             foreach ($list_arr as $k => $list) {
                 if($list['session_id'] == $session_id) {
-                    unset($list_arr[$k]);
+                    $list['id_del'] = 1;
                 }
             }
             if(count($list_arr) >= 1) {