fix bug

cmd/yurthub/app/start.go

@@ -224,7 +224,7 @@ func createClients(heartbeatTimeoutSeconds int, remoteServers []*url.URL, tp tra
 }
 
 // coordinatorRun will initialize and start all coordinator-related components in an async way.
-// It returns Getter function for coordinator, coordinator health checker and coordinator transport manager,
+// It returns Getter function for coordinator, coordinator health checker, coordinator transport manager and coordinator service url,
 // which will return the relative component if it has been initialized, otherwise it will return nil.
 func coordinatorRun(ctx context.Context,
 	cfg *config.YurtHubConfiguration,
@@ -252,7 +252,7 @@ func coordinatorRun(ctx context.Context,
 
 		// waiting for service sync complete
 		if !cache.WaitForCacheSync(ctx.Done(), cfg.SharedFactory.Core().V1().Services().Informer().HasSynced) {
-			klog.Error("coordinatorRun sync service timeout")
+			klog.Error("coordinatorRun sync service shutdown")
 			return
 		}
 		klog.Info("coordinatorRun sync service complete")