add auther config

pkg/connector/http/connector.go

@@ -23,7 +23,6 @@ func init() {
 }
 
 type httpConnector struct {
-	user    *url.Userinfo
 	md      metadata
 	options connector.Options
 }
@@ -35,7 +34,6 @@ func NewConnector(opts ...connector.Option) connector.Connector {
 	}
 
 	return &httpConnector{
-		user:    options.User,
 		options: options,
 	}
 }
@@ -67,7 +65,7 @@ func (c *httpConnector) Connect(ctx context.Context, conn net.Conn, network, add
 	}
 	req.Header.Set("Proxy-Connection", "keep-alive")
 
-	if user := c.user; user != nil {
+	if user := c.options.Auth; user != nil {
 		u := user.Username()
 		p, _ := user.Password()
 		req.Header.Set("Proxy-Authorization",