wxpay debug

extend/payment/Weixin.php

@@ -505,8 +505,7 @@ class Weixin
 
         // 请求接口处理
         $result = $this->XmlToArray($this->HttpRequest('https://api.mch.weixin.qq.com/secapi/pay/refund', $this->ArrayToXml($data), true));
-        print_r($result);die;
-        if(!empty($result['return_code']) && $result['return_code'] == 'SUCCESS' && !empty($result['prepay_id']))
+        if(!empty($result['return_code']) && $result['return_code'] == 'SUCCESS' && !empty($result['return_msg']) && $result['return_msg'] == 'OK')
         {
             // 统一返回格式
             $data = [