diff --git a/const.go b/const.go
index cee4871..a64cf13 100644
--- a/const.go
+++ b/const.go
@@ -14,7 +14,7 @@ const (
 
 // SDK 相关信息
 const (
-	Version         = "1.0.12"                     // SDK 版本
+	Version         = "1.0.13"                     // SDK 版本
 	UserAgentFormat = "WechatPay-Go/%s (%s) GO/%s" // UserAgent中的信息
 )
 
diff --git a/request.go b/request.go
index 9b69851..f2b8047 100644
--- a/request.go
+++ b/request.go
@@ -28,6 +28,9 @@ func (c *Client) request(ctx context.Context, url string, params map[string]inte
 	// 设置参数
 	client.SetParams(params)
 
+	// 设置用户代理
+	client.SetUserAgent(gorequest.GetRandomUserAgentSystem())
+
 	// 设置头部
 	client.SetHeader("Authorization", authorization)
 	client.SetHeader("Accept", "application/json")