回调

app-hd/controllers/NoticeController.php

@@ -27,8 +27,8 @@ class NoticeController extends PublicController
     public function actionPayCallback()
     {
         $headers = Yii::$app->getRequest()->getHeaders();
-        $version = $headers->get('version');
-        print_r($headers);
+        $host = $headers->get('host');
+        echo $host;
     }