diff --git a/pkg/apiserver/apiserver.go b/pkg/apiserver/apiserver.go
index c2f7b689f..2bf94803f 100644
--- a/pkg/apiserver/apiserver.go
+++ b/pkg/apiserver/apiserver.go
@@ -69,7 +69,7 @@ import (
 	monitoringv1alpha3 "kubesphere.io/kubesphere/pkg/kapis/monitoring/v1alpha3"
 	networkv1alpha2 "kubesphere.io/kubesphere/pkg/kapis/network/v1alpha2"
 	notificationv1 "kubesphere.io/kubesphere/pkg/kapis/notification/v1"
-	notificationv2 "kubesphere.io/kubesphere/pkg/kapis/notification/v2"
+	notificationv2alpha1 "kubesphere.io/kubesphere/pkg/kapis/notification/v2alpha1"
 	"kubesphere.io/kubesphere/pkg/kapis/oauth"
 	openpitrixv1 "kubesphere.io/kubesphere/pkg/kapis/openpitrix/v1"
 	operationsv1alpha2 "kubesphere.io/kubesphere/pkg/kapis/operations/v1alpha2"
@@ -272,7 +272,7 @@ func (s *APIServer) installKubeSphereAPIs() {
 		s.KubernetesClient.Prometheus(), s.AlertingClient, s.Config.AlertingOptions))
 	urlruntime.Must(version.AddToContainer(s.container, s.KubernetesClient.Discovery()))
 	urlruntime.Must(kubeedgev1alpha1.AddToContainer(s.container, s.Config.KubeEdgeOptions.Endpoint))
-	urlruntime.Must(notificationv2.AddToContainer(s.container, s.InformerFactory, s.KubernetesClient.Kubernetes(),
+	urlruntime.Must(notificationv2alpha1.AddToContainer(s.container, s.InformerFactory, s.KubernetesClient.Kubernetes(),
 		s.KubernetesClient.KubeSphere()))
 }
 
diff --git a/pkg/kapis/notification/v2/handler.go b/pkg/kapis/notification/v2alpha1/handler.go
similarity index 97%
rename from pkg/kapis/notification/v2/handler.go
rename to pkg/kapis/notification/v2alpha1/handler.go
index b35c015ac..f7ca1aa1d 100644
--- a/pkg/kapis/notification/v2/handler.go
+++ b/pkg/kapis/notification/v2alpha1/handler.go
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package v2
+package v2alpha1
 
 import (
 	"github.com/emicklei/go-restful"
@@ -125,7 +125,7 @@ func (h *handler) DeleteResource(req *restful.Request, resp *restful.Response) {
 		return
 	}
 
-	handleResponse(req, resp, h.operator.Delete(user, resource, name), servererr.None)
+	handleResponse(req, resp, servererr.None, h.operator.Delete(user, resource, name))
 }
 
 func handleResponse(req *restful.Request, resp *restful.Response, obj interface{}, err error) {
diff --git a/pkg/kapis/notification/v2/register.go b/pkg/kapis/notification/v2alpha1/register.go
similarity index 99%
rename from pkg/kapis/notification/v2/register.go
rename to pkg/kapis/notification/v2alpha1/register.go
index 2a50812f2..f93fbdafc 100644
--- a/pkg/kapis/notification/v2/register.go
+++ b/pkg/kapis/notification/v2alpha1/register.go
@@ -16,7 +16,7 @@
 
 */
 
-package v2
+package v2alpha1
 
 import (
 	"github.com/emicklei/go-restful"
@@ -38,7 +38,7 @@ const (
 	KeyOpenAPITags = openapi.KeyOpenAPITags
 )
 
-var GroupVersion = schema.GroupVersion{Group: GroupName, Version: "v2"}
+var GroupVersion = schema.GroupVersion{Group: GroupName, Version: "v2alpha1"}
 
 func AddToContainer(
 	container *restful.Container,