add auther config

pkg/connector/http2/connector.go

@@ -24,7 +24,6 @@ func init() {
 }
 
 type http2Connector struct {
-	user    *url.Userinfo
 	md      metadata
 	options connector.Options
 }
@@ -36,7 +35,6 @@ func NewConnector(opts ...connector.Option) connector.Connector {
 	}
 
 	return &http2Connector{
-		user:    options.User,
 		options: options,
 	}
 }
@@ -76,7 +74,7 @@ func (c *http2Connector) Connect(ctx context.Context, conn net.Conn, network, ad
 		req.Header.Set("User-Agent", c.md.UserAgent)
 	}
 
-	if user := c.user; user != nil {
+	if user := c.options.Auth; user != nil {
 		u := user.Username()
 		p, _ := user.Password()
 		req.Header.Set("Proxy-Authorization",