update selector

handler/http2/handler.go

@@ -81,7 +81,7 @@ func (h *http2Handler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 		log.Error(err)
 		return err
 	}
-	md := v.GetMetadata()
+	md := v.Metadata()
 	return h.roundTrip(ctx,
 		md.Get("w").(http.ResponseWriter),
 		md.Get("r").(*http.Request),

handler/tap/handler.go

@@ -118,7 +118,7 @@ func (h *tapHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.
 		log.Debugf("%s >> %s", conn.RemoteAddr(), target.Addr)
 	}
 
-	config := v.GetMetadata().Get("config").(*tap_util.Config)
+	config := v.Metadata().Get("config").(*tap_util.Config)
 	h.handleLoop(ctx, conn, raddr, config, log)
 	return nil
 }

handler/tun/handler.go

@@ -68,7 +68,7 @@ func (h *tunHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.
 		log.Error(err)
 		return err
 	}
-	config := v.GetMetadata().Get("config").(*tun_util.Config)
+	config := v.Metadata().Get("config").(*tun_util.Config)
 
 	start := time.Now()
 	log = log.WithFields(map[string]any{