diff --git a/cluster/directory/base_directory.go b/cluster/directory/base_directory.go
index cff0a983a15883954ff7424902df35b586633aff..0f941fdccf4c1ed0c2423e28ad0be0f01974beb4 100644
--- a/cluster/directory/base_directory.go
+++ b/cluster/directory/base_directory.go
@@ -92,7 +92,7 @@ func (dir *BaseDirectory) SetRouters(urls []*common.URL) {
 			factory := extension.GetRouterFactory(url.Protocol)
 			r, err := factory.NewRouter(url)
 			if err != nil {
-				logger.Errorf("Create router fail. router key: %s, url:%s, error: %s", routerKey, url.Service(), err.Error())
+				logger.Errorf("Create router fail. router key: %s, url:%s, error: %+v", routerKey, url.Service(), err)
 				return
 			}
 			routers = append(routers, r)
diff --git a/filter/filter_impl/hystrix_filter.go b/filter/filter_impl/hystrix_filter.go
index ff4b405f484ab225bb48f661ab07eae846d57d80..4c872bed3e7fef8eca47f51422525a4918d6c1d8 100644
--- a/filter/filter_impl/hystrix_filter.go
+++ b/filter/filter_impl/hystrix_filter.go
@@ -124,7 +124,7 @@ func (hf *HystrixFilter) Invoke(ctx context.Context, invoker protocol.Invoker, i
 	_, _, err := hystrix.GetCircuit(cmdName)
 	configLoadMutex.RUnlock()
 	if err != nil {
-		logger.Errorf("[Hystrix Filter]Errors occurred getting circuit for %s , will invoke without hystrix, error is: %s", cmdName, err.Error())
+		logger.Errorf("[Hystrix Filter]Errors occurred getting circuit for %s , will invoke without hystrix, error is: %+v", cmdName, err)
 		return invoker.Invoke(ctx, invocation)
 	}
 	logger.Infof("[Hystrix Filter]Using hystrix filter: %s", cmdName)
diff --git a/registry/kubernetes/registry_test.go b/registry/kubernetes/registry_test.go
index 3360532f1f59c87bfa2b19f2703805c2417a9749..a650b189c39b94849dee4fbf7fc292e33e87b829 100644
--- a/registry/kubernetes/registry_test.go
+++ b/registry/kubernetes/registry_test.go
@@ -68,9 +68,9 @@ func (s *KubernetesRegistryTestSuite) TestSubscribe() {
 	time.Sleep(1e9)
 
 	go func() {
-		err = r.Register(url)
-		if err != nil {
-			t.Fatal(err)
+		registerErr := r.Register(url)
+		if registerErr != nil {
+			t.Fatal(registerErr)
 		}
 	}()