diff --git a/registry/kubernetes/registry.go b/registry/kubernetes/registry.go
index aad79a9dd17e09ce2fc4ff5baafd17b732eb630e..69a3fca18816054738024fb5e1ab7541734444f7 100644
--- a/registry/kubernetes/registry.go
+++ b/registry/kubernetes/registry.go
@@ -19,7 +19,6 @@ package kubernetes
 
 import (
 	"fmt"
-	v1 "k8s.io/api/core/v1"
 	"os"
 	"path"
 	"sync"
@@ -30,6 +29,7 @@ import (
 	"github.com/dubbogo/getty"
 	"github.com/dubbogo/gost/net"
 	perrors "github.com/pkg/errors"
+	v1 "k8s.io/api/core/v1"
 )
 
 import (
diff --git a/remoting/kubernetes/client.go b/remoting/kubernetes/client.go
index b980501490f14762c3175ecd45bba7d540a1933c..430667fec7bfc749baaf93a1974b53a8e85db11f 100644
--- a/remoting/kubernetes/client.go
+++ b/remoting/kubernetes/client.go
@@ -19,20 +19,20 @@ package kubernetes
 
 import (
 	"context"
-	"github.com/apache/dubbo-go/common"
-	"github.com/apache/dubbo-go/common/constant"
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/kubernetes/fake"
 	"strconv"
 	"sync"
 )
 
 import (
 	perrors "github.com/pkg/errors"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/fake"
 )
 
 import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/logger"
 )
 
diff --git a/remoting/kubernetes/facade_test.go b/remoting/kubernetes/facade_test.go
index ce303d534aa7c6d772e1250894fbe4696e890a53..4323c0ec565d64f445f15c3e5c265451b2b87ce7 100644
--- a/remoting/kubernetes/facade_test.go
+++ b/remoting/kubernetes/facade_test.go
@@ -18,13 +18,16 @@
 package kubernetes
 
 import (
-	"github.com/apache/dubbo-go/common"
-	"github.com/apache/dubbo-go/common/constant"
 	"strconv"
 	"sync"
 	"testing"
 )
 
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
+)
+
 type mockFacade struct {
 	*common.URL
 	client  *Client
diff --git a/remoting/kubernetes/registry_controller.go b/remoting/kubernetes/registry_controller.go
index aa44202954f7ec0d783671536fb60b7f90aee222..75799b3100ab3ea6a8a5d2a9aacb62014c734238 100644
--- a/remoting/kubernetes/registry_controller.go
+++ b/remoting/kubernetes/registry_controller.go
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 kubernetes
 
 import (
@@ -5,31 +22,35 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
-	"github.com/apache/dubbo-go/common"
-	"k8s.io/apimachinery/pkg/selection"
-	"k8s.io/apimachinery/pkg/types"
-	"k8s.io/apimachinery/pkg/util/strategicpatch"
 	"os"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
+)
 
-	"github.com/apache/dubbo-go/common/logger"
+import (
+	perrors "github.com/pkg/errors"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/selection"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/strategicpatch"
 	"k8s.io/apimachinery/pkg/watch"
 	"k8s.io/client-go/informers"
-	"k8s.io/client-go/tools/cache"
-
-	perrors "github.com/pkg/errors"
-	v1 "k8s.io/api/core/v1"
 	informerscorev1 "k8s.io/client-go/informers/core/v1"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/util/workqueue"
 )
 
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/logger"
+)
+
 const (
 	// kubernetes suggest resync
 	defaultResync = 5 * time.Minute