识别返回请求的是哪台服务器

admin/foundation/JsonResponseFormatter.php

@@ -17,7 +17,7 @@ class JsonResponseFormatter extends \yii\web\JsonResponseFormatter
     private static $param = [
         'param' => [],
         'result' => [],
-        'url' => '',
+        'url' => ''
     ];
     private $defaultErrorCode = -1;
 
@@ -34,6 +34,7 @@ class JsonResponseFormatter extends \yii\web\JsonResponseFormatter
         $result['data'] = $data;
         $result['msg'] = $msg;
         $result['errcode'] = $errno;
+        $result['ecs'] = env('ECS');
         return $result;
     }