diff --git a/staging/publishing/rules.yaml b/staging/publishing/rules.yaml
index 66b874668..3978eea89 100644
--- a/staging/publishing/rules.yaml
+++ b/staging/publishing/rules.yaml
@@ -1,6 +1,6 @@
 recursive-delete-patterns:
 - BUILD
-default-go-version: 1.13.15
+default-go-version: 1.16.3
 rules:
 - destination: client-go
   library: true
diff --git a/staging/src/kubesphere.io/api/notification/v2beta1/v2beta1_suite_test.go b/staging/src/kubesphere.io/api/notification/v2beta1/v2beta1_suite_test.go
deleted file mode 100644
index 437b7afd4..000000000
--- a/staging/src/kubesphere.io/api/notification/v2beta1/v2beta1_suite_test.go
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
-Copyright 2020 The KubeSphere Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package v2beta1
-
-import (
-	"log"
-	"os"
-	"path/filepath"
-	"testing"
-
-	"k8s.io/client-go/kubernetes/scheme"
-	"k8s.io/client-go/rest"
-	"sigs.k8s.io/controller-runtime/pkg/client"
-	"sigs.k8s.io/controller-runtime/pkg/envtest"
-)
-
-var cfg *rest.Config
-
-func TestMain(m *testing.M) {
-	t := &envtest.Environment{
-		CRDDirectoryPaths: []string{filepath.Join("..", "..", "..", "..", "config", "crds")},
-	}
-
-	err := SchemeBuilder.AddToScheme(scheme.Scheme)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if cfg, err = t.Start(); err != nil {
-		log.Fatal(err)
-	}
-
-	if _, err = client.New(cfg, client.Options{Scheme: scheme.Scheme}); err != nil {
-		log.Fatal(err)
-	}
-
-	code := m.Run()
-	_ = t.Stop()
-	os.Exit(code)
-}