diff --git a/wx/V3/WxV3PaymentTait.php b/wx/V3/WxV3PaymentTait.php
index a3b128d..f509f12 100644
--- a/wx/V3/WxV3PaymentTait.php
+++ b/wx/V3/WxV3PaymentTait.php
@@ -46,9 +46,9 @@ trait WxV3PaymentTait
     {
         $payConfig = $this->getPayConfig();
         if ($payConfig->typeIsApp()) {
-            $body['appid']        = $payConfig->pay->wx->appId;
+            $body['appid'] = $payConfig->pay->wx->appId;
         } else {
-            $body['appid']        = $payConfig->appId;
+            $body['appid'] = $payConfig->appId;
         }
         $body['mchid']        = $payConfig->pay->wx->mchId;
         $body['description']  = $payConfig->getBody();
@@ -71,8 +71,8 @@ trait WxV3PaymentTait
                ->withContentType('application/json')->withAddedHeader('User-Agent', 'application/json')
                ->withBody($json)->withAddedHeader("Accept", "*/*");
 
-        $proxyHost = $this->getConfig()->getProxyHost();
-        $proxyPort = $this->getConfig()->getProxyPort();
+        $proxyHost = $this->getPayConfig()->getProxyHost();
+        $proxyPort = $this->getPayConfig()->getProxyPort();
         if (!empty($proxyHost) && $proxyPort > 0) {
             $client->withProxyHost($proxyHost)->withProxyPort($proxyPort);
         }