房间在线列表报错处理

application/api/model/Room.php

@@ -2268,7 +2268,7 @@ class Room extends Model
     public function room_online_list($room_id, $page = 1, $limit = 15)
     {
         if (!$room_id) {
-            return ['code' => 0, 'msg' => '参数错误'];
+            return ['code' => 0, 'msg' => '参数错误', 'data' => null];
         }
 
         $lists['on_pit'] = [];