Feat registry consul (#445)

Co-authored-by: johnlanni <zty98751@alibaba-inc.com>

registry/nacos/watcher.go

@@ -64,6 +64,7 @@ type watcher struct {
 	client               *versionedclient.Clientset
 	isStop               bool
 	updateCacheWhenEmpty bool
+	authOption           provider.AuthOption
 }
 
 type WatcherOption func(w *watcher)
@@ -193,6 +194,12 @@ func WithUpdateCacheWhenEmpty(enable bool) WatcherOption {
 	}
 }
 
+func WithAuthOption(authOption provider.AuthOption) WatcherOption {
+	return func(w *watcher) {
+		w.authOption = authOption
+	}
+}
+
 func (w *watcher) Run() {
 	ticker := time.NewTicker(time.Duration(w.NacosRefreshInterval))
 	defer ticker.Stop()