From c6aadb1301531378e94ba3144994c0a18e173d0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=93=E7=9F=A2?= <gongshi.zd@alibaba-inc.com>
Date: Thu, 10 May 2018 13:47:05 +0800
Subject: [PATCH] Overlap content-type

---
 client.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client.go b/client.go
index 8cf55a8..20e2a19 100644
--- a/client.go
+++ b/client.go
@@ -215,7 +215,7 @@ func (p *aliMNSClient) Send(method Method, headers map[string]string, message in
 	req.SetBody(xmlContent)
 
 	for header, value := range headers {
-		req.Header.Add(header, value)
+		req.Header.Set(header, value)
 	}
 
 	resp := fasthttp.AcquireResponse()