diff --git a/wx/V3/WxV3Payment.php b/wx/V3/WxV3Payment.php
index e4a8733..59d248f 100644
--- a/wx/V3/WxV3Payment.php
+++ b/wx/V3/WxV3Payment.php
@@ -34,6 +34,7 @@ class WxV3Payment extends SmallProgram
         $client->close();
 
         $json = json_decode($client->getBody(), TRUE);
+        var_dump($client->getBody());
         if (!isset($json['prepay_id'])) {
             throw new Exception('微信支付调用失败');
         }