diff --git a/WePay/Transfers.php b/WePay/Transfers.php
index 410aa8b..f86d147 100644
--- a/WePay/Transfers.php
+++ b/WePay/Transfers.php
@@ -32,10 +32,10 @@ class Transfers extends BasicPay
      */
     public function create(array $options)
     {
-        $this->params->set('mchid', $this->config->get('mch_id'));
-        $this->params->set('mch_appid', $this->config->get('appid'));
         $this->params->offsetUnset('appid');
         $this->params->offsetUnset('mch_id');
+        $this->params->set('mchid', $this->config->get('mch_id'));
+        $this->params->set('mch_appid', $this->config->get('appid'));
         $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';
         return $this->callPostApi($url, $options, true, 'MD5', false);
     }
@@ -48,11 +48,11 @@ class Transfers extends BasicPay
      */
     public function query($partnerTradeNo)
     {
-        $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gettransferinfo';
-        $this->params->set('appid', $this->config->get('appid'));
-        $this->params->set('mch_id', $this->config->get('mch_id'));
         $this->params->offsetUnset('mchid');
         $this->params->offsetUnset('mch_appid');
+        $this->params->set('appid', $this->config->get('appid'));
+        $this->params->set('mch_id', $this->config->get('mch_id'));
+        $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gettransferinfo';
         return $this->callPostApi($url, ['partner_trade_no' => $partnerTradeNo], true, 'MD5', false);
     }