diff --git a/wx/V3/WxV3PaymentTait.php b/wx/V3/WxV3PaymentTait.php
index 56c5eb4..1c08ac0 100644
--- a/wx/V3/WxV3PaymentTait.php
+++ b/wx/V3/WxV3PaymentTait.php
@@ -77,7 +77,7 @@ trait WxV3PaymentTait
         $parseUrl = '/v3/pay/transactions/out-trade-no/' . $orderNo;
         $sign     = $this->signature('POST', $parseUrl, $json = json_encode(['mchid' => $config->pay->wx->mchId]));
         $client   = $this->createClient($sign, $json);
-        $client->get($parseUrl);
+        $client->get($parseUrl, ['mchid' => $config->pay->wx->mchId]);
         $client->close();
 
         return json_decode($client->getBody(), TRUE);