diff --git a/wechat/param.go b/wechat/param.go
index 5ab473e8..e000da55 100644
--- a/wechat/param.go
+++ b/wechat/param.go
@@ -44,6 +44,16 @@ func (w *Client) SetCountry(country Country) (client *Client) {
 	return w
 }
 
+// SetProxyUrl 设置代理 Url
+// 使用场景：
+// 1. 部署环境无法访问互联网，可以通过代理服务器访问
+func (w *Client) SetProxyUrl(proxyUrl string) (client *Client) {
+	w.mu.Lock()
+	w.BaseURL = proxyUrl
+	w.mu.Unlock()
+	return w
+}
+
 // 添加微信pem证书文件路径
 // certFilePath：apiclient_cert.pem 文件路径
 // keyFilePath：apiclient_key.pem 文件路径
diff --git a/wechat/v3/cert.go b/wechat/v3/cert.go
index 9b8f7560..f62852b4 100644
--- a/wechat/v3/cert.go
+++ b/wechat/v3/cert.go
@@ -69,6 +69,9 @@ func GetPlatformCerts(ctx context.Context, mchid, apiV3Key, serialNo, privateKey
 	authorization := Authorization + ` mchid="` + mchid + `",nonce_str="` + nonceStr + `",timestamp="` + ts + `",serial_no="` + serialNo + `",signature="` + sign + `"`
 	// Request
 	var url = v3BaseUrlCh + uri
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + uri
+	}
 	hc := xhttp.NewClient().Req()
 	hc.Header.Add(HeaderAuthorization, authorization)
 	hc.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.RandomString(21), time.Now().Unix()))
diff --git a/wechat/v3/client.go b/wechat/v3/client.go
index 321cb425..84bf2f56 100644
--- a/wechat/v3/client.go
+++ b/wechat/v3/client.go
@@ -130,3 +130,25 @@ func (c *ClientV3) SetLogger(logger xlog.XLogger) {
 		c.logger = logger
 	}
 }
+
+// SetProxyUrl 设置代理URL
+// 使用场景：
+// 1. 部署环境无法访问互联网，可以通过代理服务器访问
+var (
+	proxyUrl string
+	mu       sync.Mutex
+)
+
+// GetProxyUrl 返回当前的 ProxyUrl
+func GetProxyUrl() string {
+	mu.Lock()
+	defer mu.Unlock()
+	return proxyUrl
+}
+
+// SetProxyUrl 设置新的 ProxyUrl
+func SetProxyUrl(newProxyUrl string) {
+	mu.Lock()
+	defer mu.Unlock()
+	proxyUrl = newProxyUrl
+}
diff --git a/wechat/v3/request.go b/wechat/v3/request.go
index 0f0bd411..c7951c2f 100644
--- a/wechat/v3/request.go
+++ b/wechat/v3/request.go
@@ -21,6 +21,9 @@ func (d *requestIdFunc) RequestId() string {
 
 func (c *ClientV3) doProdPostWithHeader(ctx context.Context, headerMap map[string]string, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -86,6 +89,9 @@ func (c *ClientV3) doProdPostWithHost(ctx context.Context, bm gopay.BodyMap, hos
 
 func (c *ClientV3) doProdPost(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -117,6 +123,9 @@ func (c *ClientV3) doProdPost(ctx context.Context, bm gopay.BodyMap, path, autho
 
 func (c *ClientV3) doProdGet(ctx context.Context, uri, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + uri
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + uri
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -147,6 +156,9 @@ func (c *ClientV3) doProdGet(ctx context.Context, uri, authorization string) (re
 
 func (c *ClientV3) doProdPut(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -178,6 +190,9 @@ func (c *ClientV3) doProdPut(ctx context.Context, bm gopay.BodyMap, path, author
 
 func (c *ClientV3) doProdDelete(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -209,6 +224,9 @@ func (c *ClientV3) doProdDelete(ctx context.Context, bm gopay.BodyMap, path, aut
 
 func (c *ClientV3) doProdPostFile(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req(xhttp.TypeMultipartFormData)
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())
@@ -240,6 +258,9 @@ func (c *ClientV3) doProdPostFile(ctx context.Context, bm gopay.BodyMap, path, a
 
 func (c *ClientV3) doProdPatch(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
 	var url = v3BaseUrlCh + path
+	if v3ProxyUrl := GetProxyUrl(); v3ProxyUrl != "" {
+		url = v3ProxyUrl + path
+	}
 	req := c.hc.Req() // default json
 	req.Header.Add(HeaderAuthorization, authorization)
 	req.Header.Add(HeaderRequestID, c.requestIdFunc.RequestId())