diff --git a/pkg/kapis/resources/v1alpha3/handler_test.go b/pkg/kapis/resources/v1alpha3/handler_test.go
index f2dcf44ae..fc0a47fe2 100644
--- a/pkg/kapis/resources/v1alpha3/handler_test.go
+++ b/pkg/kapis/resources/v1alpha3/handler_test.go
@@ -49,7 +49,7 @@ func TestResourceV1alpha2Fallback(t *testing.T) {
 	}{
 		{
 			description: "list namespaces",
-			namespace:   "default",
+			namespace:   "",
 			resource:    "namespaces",
 			query: &query.Query{
 				Pagination: &query.Pagination{
diff --git a/pkg/models/resources/v1alpha3/resource/resource.go b/pkg/models/resources/v1alpha3/resource/resource.go
index 0750bc171..95fcbea05 100644
--- a/pkg/models/resources/v1alpha3/resource/resource.go
+++ b/pkg/models/resources/v1alpha3/resource/resource.go
@@ -102,11 +102,9 @@ func NewResourceGetter(factory informers.InformerFactory, cache cache.Cache) *Re
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "apps", Version: "v1", Resource: "daemonsets"}] = daemonset.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "apps", Version: "v1", Resource: "statefulsets"}] = statefulset.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "services"}] = service.New(factory.KubernetesSharedInformerFactory())
-	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "namespaces"}] = namespace.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "configmaps"}] = configmap.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "secrets"}] = secret.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"}] = pod.New(factory.KubernetesSharedInformerFactory())
-	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "nodes"}] = node.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "serviceaccounts"}] = serviceaccount.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "networking.k8s.io", Version: "v1", Resource: "ingresses"}] = ingress.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[schema.GroupVersionResource{Group: "networking.k8s.io", Version: "v1", Resource: "networkpolicies"}] = networkpolicy.New(factory.KubernetesSharedInformerFactory())
@@ -116,6 +114,8 @@ func NewResourceGetter(factory informers.InformerFactory, cache cache.Cache) *Re
 	namespacedResourceGetters[snapshotv1beta1.SchemeGroupVersion.WithResource("volumesnapshots")] = volumesnapshot.New(factory.SnapshotSharedInformerFactory())
 	namespacedResourceGetters[rbacv1.SchemeGroupVersion.WithResource(iamv1alpha2.ResourcesPluralRoleBinding)] = rolebinding.New(factory.KubernetesSharedInformerFactory())
 	namespacedResourceGetters[rbacv1.SchemeGroupVersion.WithResource(iamv1alpha2.ResourcesPluralRole)] = role.New(factory.KubernetesSharedInformerFactory())
+	clusterResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "nodes"}] = node.New(factory.KubernetesSharedInformerFactory())
+	clusterResourceGetters[schema.GroupVersionResource{Group: "", Version: "v1", Resource: "namespaces"}] = namespace.New(factory.KubernetesSharedInformerFactory())
 	clusterResourceGetters[schema.GroupVersionResource{Group: "apiextensions.k8s.io", Version: "v1", Resource: "customresourcedefinitions"}] = customresourcedefinition.New(factory.ApiExtensionSharedInformerFactory())
 
 	// kubesphere resources