From 32f163af0cf8011f8462f292742747d37f766194 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=82=B9=E6=99=AF=E7=AB=8B?= <zoujingli@qq.com>
Date: Tue, 2 Nov 2021 14:14:18 +0800
Subject: [PATCH] =?UTF-8?q?#I4FTJK=20=E4=BF=AE=E6=94=B9=E7=AD=BE=E5=90=8D?=
 =?UTF-8?q?=E6=96=B9=E5=BC=8F?=
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---
 WePay/Coupon.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WePay/Coupon.php b/WePay/Coupon.php
index bbc1262..f29cff4 100644
--- a/WePay/Coupon.php
+++ b/WePay/Coupon.php
@@ -33,7 +33,7 @@ class Coupon extends BasicWePay
     public function create(array $options)
     {
         $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/send_coupon";
-        return $this->callPostApi($url, $options, true);
+        return $this->callPostApi($url, $options, true, 'MD5');
     }
 
     /**