Fix the proxy watcher

router/service/service.go

@@ -357,7 +357,9 @@ func (s *svc) Watch(opts ...router.WatchOption) (router.Watcher, error) {
 	if err != nil {
 		return nil, err
 	}
-	var options router.WatchOptions
+	options := router.WatchOptions{
+		Service: "*",
+	}
 	for _, o := range opts {
 		o(&options)
 	}

router/service/watcher.go

@@ -70,11 +70,9 @@ func (w *watcher) watch(stream pb.Router_WatchService) error {
 			Route:     route,
 		}
 
-		for {
-			select {
-			case w.resChan <- event:
-			case <-w.done:
-			}
+		select {
+		case w.resChan <- event:
+		case <-w.done:
 		}
 	}