sign special key

app/Http/Controllers/Wap/User/UserController.php

@@ -149,6 +149,7 @@ class UserController extends BaseController
             $sign_today = ReadRecordService::getByField($this->uid,'sign_info');
             if($sign_today) $sign_today = json_decode($sign_today,1);
             isset($sign_today['sign_time']) && $sign_today['sign_time'] = date('Y-m-d H:i:s',$sign_today['sign_time']);
+            isset($sign_today['sign_at']) && $sign_today['sign_time'] = $sign_today['sign_at'];
             isset($sign_today['price']) && $sign_today['reward'] = $sign_today['price'];
         }
         $result = [