diff --git a/extend/payment/Weixin.php b/extend/payment/Weixin.php
index 46f1715ee..28b5b4c22 100755
--- a/extend/payment/Weixin.php
+++ b/extend/payment/Weixin.php
@@ -611,6 +611,58 @@ class Weixin
         }
     }
 
+    /**
+     * 以post方式提交xml到对应的接口url
+     * 
+     * @param WxPayConfigInterface $config  配置对象
+     * @param string $xml  需要post的xml数据
+     * @param string $url  url
+     * @param bool $useCert 是否需要证书，默认不需要
+     * @param int $second   url执行超时时间，默认30s
+     * @throws WxPayException
+     */
+    private static function HttpRequest($url, $xml, $useCert = false, $second = 30)
+    {       
+        $ch = curl_init();
+        $curlVersion = curl_version();
+
+        //设置超时
+        curl_setopt($ch, CURLOPT_TIMEOUT, $second);
+        curl_setopt($ch,CURLOPT_URL, $url);
+        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE);
+        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验
+
+        //设置header
+        curl_setopt($ch, CURLOPT_HEADER, FALSE);
+        //要求结果为字符串且输出到屏幕上
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
+    
+        if($useCert == true){
+            //设置证书
+            //使用证书：cert 与 key 分别属于两个.pem文件
+            //证书文件请放入服务器的非web目录下
+            curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
+            curl_setopt($ch,CURLOPT_SSLCERT, ROOT.'weixin-cert/apiclient_cert.pem');
+            curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
+            curl_setopt($ch,CURLOPT_SSLKEY, ROOT.'weixin-cert/apiclient_key.pem');
+        }
+        //post提交方式
+        curl_setopt($ch, CURLOPT_POST, TRUE);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
+        //运行curl
+        $data = curl_exec($ch);
+        //返回结果
+        if($data){
+            curl_close($ch);
+            return $data;
+        } else { 
+            $error = curl_errno($ch);
+            curl_close($ch);
+            var_dump($error);
+            return $error;
+        }
+    }
+
     /**
      * [HttpRequest 网络请求]
      * @author   Devil
@@ -623,7 +675,7 @@ class Weixin
      * @param    [int]             $second      [超时]
      * @return   [mixed]                        [请求返回数据]
      */
-    private function HttpRequest($url, $data, $use_cert = false, $second = 30)
+    private function HttpRequestss($url, $data, $use_cert = false, $second = 30)
     {
         $options = array(
             CURLOPT_RETURNTRANSFER => true,