add the user balance

@@ -43,6 +43,7 @@ class WeixinPay {
             'trade_type' => 'JSAPI'//交易类型
         );
         //统一下单签名
+        dump($parameters);
         $parameters['sign'] = $this->getSign($parameters);
         $xmlData = $this->arrayToXml($parameters);
         $return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));