按美团接口要求返回数据

app-hd/controllers/MtController.php

@@ -4,6 +4,7 @@ namespace hd\controllers;
 
 use Yii;
 use Abbotton\MeituanTakeaway\Application;
+use yii\helpers\Json;
 
 class MtController extends PublicController
 {
@@ -33,7 +34,7 @@ class MtController extends PublicController
             Yii::warning('newOrder: ' . json_encode($get));
         }
 
-        return;
+        return Json::encode(['data' => 'ok']);
 
         $app = new Application($this->config);
 
@@ -57,6 +58,6 @@ class MtController extends PublicController
             Yii::warning('cancelOrder: ' . json_encode($get));
         }
 
-        return;
+        return Json::encode(['data' => 'ok']);
     }
 }