diff --git a/.github/workflows/go.yaml b/.github/workflows/go.yaml
index 5f11e922..a920c083 100644
--- a/.github/workflows/go.yaml
+++ b/.github/workflows/go.yaml
@@ -3,10 +3,8 @@ name: Go
 on:
   push:
     branches:
-      - "*"
+      - "master"
   pull_request:
-    branches:
-      - master
 
 jobs:
   test:
diff --git a/.gitignore b/.gitignore
index a3b21afe..49c53732 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,4 +16,6 @@ dist/
 kubecm
 
 target
-tmp
\ No newline at end of file
+tmp
+mergeDir
+config.yaml
\ No newline at end of file
diff --git a/cmd/add.go b/cmd/add.go
index e257bf76..f0492a97 100644
--- a/cmd/add.go
+++ b/cmd/add.go
@@ -3,7 +3,7 @@ package cmd
 import (
 	"errors"
 	"fmt"
-	"os"
+	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -20,26 +20,24 @@ type AddCommand struct {
 func (ac *AddCommand) Init() {
 	ac.command = &cobra.Command{
 		Use:   "add",
-		Short: "Merge configuration file with $HOME/.kube/config",
-		Long:  "Merge configuration file with $HOME/.kube/config",
+		Short: "Add kubeconfig to $HOME/.kube/config",
+		Long:  "Add kubeconfig to $HOME/.kube/config",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return ac.runAdd(cmd, args)
 		},
 		Example: addExample(),
 	}
 	ac.command.Flags().StringP("file", "f", "", "Path to merge kubeconfig files")
-	ac.command.Flags().StringP("name", "n", "", "The name of contexts. if this field is null,it will be named with file name.")
-	ac.command.Flags().BoolP("cover", "c", false, "Overwrite the original kubeconfig file")
 	_ = ac.command.MarkFlagRequired("file")
 }
 
 func (ac *AddCommand) runAdd(cmd *cobra.Command, args []string) error {
 	file, _ := ac.command.Flags().GetString("file")
-	if fileNotExists(file) {
-		return errors.New(file + " file does not exist")
+	file, err := CheckAndTransformFilePath(file)
+	if err != nil {
+		return err
 	}
-	name := ac.command.Flag("name").Value.String()
-	newConfig, err := formatNewConfig(file, name)
+	newConfig, newName, err := formatNewConfig(file)
 	if err != nil {
 		return err
 	}
@@ -48,25 +46,29 @@ func (ac *AddCommand) runAdd(cmd *cobra.Command, args []string) error {
 		return err
 	}
 	outConfig := appendConfig(oldConfig, newConfig)
-	cover, _ := ac.command.Flags().GetBool("cover")
-	err = WriteConfig(cover, file, outConfig)
+	cover := BoolUI(fmt.Sprintf("Are you sure you want to add 「%s」 to the 「%s」context?", newName, cfgFile))
+	confirm, err := strconv.ParseBool(cover)
+	if err != nil {
+		return err
+	}
+	err = WriteConfig(confirm, file, outConfig)
 	if err != nil {
 		return err
 	}
 	return nil
 }
 
-func formatNewConfig(file, nameFlag string) (*clientcmdapi.Config, error) {
+func formatNewConfig(file string) (*clientcmdapi.Config, string, error) {
 	config, err := clientcmd.LoadFromFile(file)
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	if len(config.AuthInfos) != 1 {
-		return nil, errors.New("Only support add 1 context. You can use `merge` cmd")
+		return nil, "", errors.New("Only support add 1 context. You can use `merge` cmd")
 	}
-	name, err := formatAndCheckName(file, nameFlag)
+	name, err := formatAndCheckName(file)
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	suffix := HashSuf(config)
 	userName := fmt.Sprintf("user-%v", suffix)
@@ -89,14 +91,16 @@ func formatNewConfig(file, nameFlag string) (*clientcmdapi.Config, error) {
 		break
 	}
 	fmt.Printf("Context Add: %s \n", name)
-	return config, nil
+	return config, name, nil
 }
 
-func formatAndCheckName(file, name string) (string, error) {
-	if name == "" {
-		n := strings.Split(file, "/")
-		result := strings.Split(n[len(n)-1], ".")
-		name = result[0]
+func formatAndCheckName(file string) (string, error) {
+	n := strings.Split(file, "/")
+	result := strings.Split(n[len(n)-1], ".")
+	name := result[0]
+	nameConfirm := BoolUI(fmt.Sprintf("Need to rename 「%s」 context?", name))
+	if nameConfirm == "True" {
+		name = PromptUI("Rename", name)
 	}
 	config, err := clientcmd.LoadFromFile(cfgFile)
 	if err != nil {
@@ -104,29 +108,15 @@ func formatAndCheckName(file, name string) (string, error) {
 	}
 	for key := range config.Contexts {
 		if key == name {
-			return key, errors.New("The name: " + name + " already exists, please replace it")
+			return key, errors.New("The name: 「" + name + "」 already exists, please select another one.")
 		}
 	}
 	return name, nil
 }
 
-func fileNotExists(path string) bool {
-	_, err := os.Stat(path) //os.Stat获取文件信息
-	if err != nil {
-		return !os.IsExist(err)
-	}
-	return false
-}
-
 func addExample() string {
 	return `
-# Merge 1.yaml with $HOME/.kube/config
-kubecm add -f 1.yaml 
-
-# Merge 1.yaml and name contexts test with $HOME/.kube/config
-kubecm add -f 1.yaml -n test
-
-# Overwrite the original kubeconfig file
-kubecm add -f 1.yaml -c
+# Merge test.yaml with $HOME/.kube/config
+kubecm add -f test.yaml 
 `
 }
diff --git a/cmd/add_test.go b/cmd/add_test.go
deleted file mode 100644
index 772cae14..00000000
--- a/cmd/add_test.go
+++ /dev/null
@@ -1,191 +0,0 @@
-package cmd
-
-import (
-	"io/ioutil"
-	"os"
-	"reflect"
-	"strings"
-	"testing"
-
-	apiequality "k8s.io/apimachinery/pkg/api/equality"
-	"k8s.io/apimachinery/pkg/util/diff"
-	"k8s.io/client-go/tools/clientcmd"
-	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
-)
-
-var (
-	addRootConfigConflictAlfa = clientcmdapi.Config{
-		AuthInfos: map[string]*clientcmdapi.AuthInfo{
-			"black-user": {Token: "black-token"}},
-		Clusters: map[string]*clientcmdapi.Cluster{
-			"pig-cluster": {Server: "http://pig.org:8080"}},
-		Contexts: map[string]*clientcmdapi.Context{
-			"root-context": {AuthInfo: "black-user", Cluster: "pig-cluster", Namespace: "saw-ns"}},
-	}
-	addConfigAlfa = clientcmdapi.Config{
-		AuthInfos: map[string]*clientcmdapi.AuthInfo{
-			"red-user": {Token: "red-token"}},
-		Clusters: map[string]*clientcmdapi.Cluster{
-			"cow-cluster": {Server: "http://cow.org:8080"}},
-		Contexts: map[string]*clientcmdapi.Context{
-			"federal-context": {AuthInfo: "red-user", Cluster: "cow-cluster", Namespace: "hammer-ns"}},
-	}
-	addWantConfigAlfa = clientcmdapi.Config{
-		AuthInfos: map[string]*clientcmdapi.AuthInfo{
-			"user-gmbtgkhfch": {Token: "red-token"}},
-		Clusters: map[string]*clientcmdapi.Cluster{
-			"cluster-gmbtgkhfch": {Server: "http://cow.org:8080"}},
-		Contexts: map[string]*clientcmdapi.Context{
-			"name": {AuthInfo: "user-gmbtgkhfch", Cluster: "cluster-gmbtgkhfch", Namespace: "hammer-ns"}},
-	}
-	addTestWantConfigAlfa = clientcmdapi.Config{
-		AuthInfos: map[string]*clientcmdapi.AuthInfo{
-			"user-gmbtgkhfch": {Token: "red-token"}},
-		Clusters: map[string]*clientcmdapi.Cluster{
-			"cluster-gmbtgkhfch": {Server: "http://cow.org:8080"}},
-		Contexts: map[string]*clientcmdapi.Context{
-			"test": {AuthInfo: "user-gmbtgkhfch", Cluster: "cluster-gmbtgkhfch", Namespace: "hammer-ns"}},
-	}
-)
-
-func Test_formatNewConfig(t *testing.T) {
-	rootConfig, _ := ioutil.TempFile("", "")
-	defer os.Remove(rootConfig.Name())
-	configFile, _ := ioutil.TempFile("", "")
-	defer os.Remove(configFile.Name())
-	_ = clientcmd.WriteToFile(addRootConfigConflictAlfa, rootConfig.Name())
-	_ = clientcmd.WriteToFile(addConfigAlfa, configFile.Name())
-	wantName := splitTempName(configFile.Name())
-	wantConfig := clientcmdapi.NewConfig()
-	addWantConfigAlfa.DeepCopyInto(wantConfig)
-	for key, obj := range wantConfig.Contexts {
-		wantConfig.Contexts[wantName] = obj
-		delete(wantConfig.Contexts, key)
-		break
-	}
-	cfgFile = rootConfig.Name()
-
-	type args struct {
-		file     string
-		nameFlag string
-	}
-	tests := []struct {
-		name    string
-		args    args
-		want    *clientcmdapi.Config
-		wantErr bool
-	}{
-		// TODO: Add test cases.
-		{"name-is-null", args{configFile.Name(), ""}, wantConfig, false},
-		{"name-is-set", args{configFile.Name(), "test"}, &addTestWantConfigAlfa, false},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got, err := formatNewConfig(tt.args.file, tt.args.nameFlag)
-			if err != nil {
-				return
-			}
-			checkResult(tt.want, got, t)
-		})
-	}
-}
-
-func Test_formatAndCheckName(t *testing.T) {
-	rootConfig, _ := ioutil.TempFile("", "")
-	defer os.Remove(rootConfig.Name())
-	configFile, _ := ioutil.TempFile("", "")
-	defer os.Remove(configFile.Name())
-	_ = clientcmd.WriteToFile(addRootConfigConflictAlfa, rootConfig.Name())
-	_ = clientcmd.WriteToFile(addConfigAlfa, configFile.Name())
-	wantName := splitTempName(configFile.Name())
-	cfgFile = rootConfig.Name()
-
-	type args struct {
-		file string
-		name string
-	}
-	tests := []struct {
-		name    string
-		args    args
-		want    string
-		wantErr bool
-	}{
-		// TODO: Add test cases.
-		{"name-is-null", args{configFile.Name(), ""}, wantName, false},
-		{"name-is-set", args{configFile.Name(), "test"}, "test", false},
-		{"name-is-exists", args{configFile.Name(), "root-context"}, "root-context", true},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got, err := formatAndCheckName(tt.args.file, tt.args.name)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("formatAndCheckName() error = %v, wantErr %v", err, tt.wantErr)
-				return
-			}
-			if got != tt.want {
-				t.Errorf("formatAndCheckName() got = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func splitTempName(path string) string {
-	name := strings.Split(path, "/")
-	wantName := name[len(name)-1]
-	return wantName
-}
-
-func checkResult(want, got *clientcmdapi.Config, t *testing.T) {
-	testSetNilMapsToEmpties(reflect.ValueOf(&got))
-	testSetNilMapsToEmpties(reflect.ValueOf(&want))
-	testClearLocationOfOrigin(got)
-
-	if !apiequality.Semantic.DeepEqual(want, got) {
-		t.Errorf("diff: %v", diff.ObjectDiff(want, got))
-		t.Errorf("expected: %#v\n actual:   %#v", want, got)
-	}
-}
-
-func testClearLocationOfOrigin(config *clientcmdapi.Config) {
-	for key, obj := range config.AuthInfos {
-		obj.LocationOfOrigin = ""
-		config.AuthInfos[key] = obj
-	}
-	for key, obj := range config.Clusters {
-		obj.LocationOfOrigin = ""
-		config.Clusters[key] = obj
-	}
-	for key, obj := range config.Contexts {
-		obj.LocationOfOrigin = ""
-		config.Contexts[key] = obj
-	}
-}
-
-func testSetNilMapsToEmpties(curr reflect.Value) {
-	actualCurrValue := curr
-	if curr.Kind() == reflect.Ptr {
-		actualCurrValue = curr.Elem()
-	}
-
-	switch actualCurrValue.Kind() {
-	case reflect.Map:
-		for _, mapKey := range actualCurrValue.MapKeys() {
-			currMapValue := actualCurrValue.MapIndex(mapKey)
-			testSetNilMapsToEmpties(currMapValue)
-		}
-
-	case reflect.Struct:
-		for fieldIndex := 0; fieldIndex < actualCurrValue.NumField(); fieldIndex++ {
-			currFieldValue := actualCurrValue.Field(fieldIndex)
-
-			if currFieldValue.Kind() == reflect.Map && currFieldValue.IsNil() {
-				newValue := reflect.MakeMap(currFieldValue.Type())
-				currFieldValue.Set(newValue)
-			} else {
-				testSetNilMapsToEmpties(currFieldValue.Addr())
-			}
-		}
-
-	}
-
-}
diff --git a/cmd/merge.go b/cmd/merge.go
index a54e774e..4549b81b 100644
--- a/cmd/merge.go
+++ b/cmd/merge.go
@@ -3,6 +3,9 @@ package cmd
 import (
 	"fmt"
 	"io/ioutil"
+	"strconv"
+
+	"k8s.io/client-go/tools/clientcmd"
 
 	"github.com/spf13/cobra"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
@@ -26,7 +29,6 @@ func (mc *MergeCommand) Init() {
 		Example: mergeExample(),
 	}
 	mc.command.Flags().StringP("folder", "f", "", "Kubeconfig folder")
-	mc.command.Flags().BoolP("cover", "c", false, "Overwrite the original kubeconfig file")
 	_ = mc.command.MarkFlagRequired("folder")
 }
 
@@ -36,14 +38,18 @@ func (mc MergeCommand) runMerge(command *cobra.Command, args []string) error {
 	mc.command.Printf("Loading kubeconfig file: %v \n", files)
 	configs := clientcmdapi.NewConfig()
 	for _, yaml := range files {
-		config, err := formatNewConfig(yaml, "")
+		config, err := clientcmd.LoadFromFile(yaml)
 		if err != nil {
 			return err
 		}
 		configs = appendConfig(configs, config)
 	}
-	cover, _ := mc.command.Flags().GetBool("cover")
-	err := WriteConfig(cover, folder, configs)
+	cover := BoolUI(fmt.Sprintf("Are you sure you want to overwrite the「%s」file?", cfgFile))
+	confirm, err := strconv.ParseBool(cover)
+	if err != nil {
+		return err
+	}
+	err = WriteConfig(confirm, folder, configs)
 	if err != nil {
 		return err
 	}
@@ -67,8 +73,5 @@ func mergeExample() string {
 	return `
 # Merge kubeconfig in the dir directory
 kubecm merge -f dir
-
-# Merge kubeconfig in the directory and overwrite the original kubeconfig file
-kubecm merge -f dir -c
 `
 }
diff --git a/cmd/root.go b/cmd/root.go
index f1ab4516..0cc247dc 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -45,7 +45,7 @@ Manage your kubeconfig more easily.
 |   <| |_| | |_) |  __/ (__| | | | | |
 |_|\_\\__,_|_.__/ \___|\___|_| |_| |_|
 
-Find more information at: https://github.com/sunny0826/kubecm
+Find more information at: https://kubecm.cloud
 `,
 		},
 	}
@@ -62,6 +62,15 @@ func (cli *Cli) setFlags() {
 
 //Run command
 func (cli *Cli) Run() error {
+	// check and format kubeconfig path
+	config, err := CheckAndTransformFilePath(cfgFile)
+	if err != nil {
+		return err
+	}
+	err = flag.Set("config", config)
+	if err != nil {
+		return err
+	}
 	return cli.rootCmd.Execute()
 }
 
diff --git a/cmd/utils.go b/cmd/utils.go
index ad87db9e..f7efe73e 100644
--- a/cmd/utils.go
+++ b/cmd/utils.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"os"
 	"os/user"
+	"path/filepath"
 	"strings"
 
 	"github.com/bndr/gotabulate"
@@ -182,7 +183,7 @@ func BoolUI(label string) string {
 	}
 	prompt := promptui.Select{
 		Label:     label,
-		Items:     []string{"True", "False"},
+		Items:     []string{"False", "True"},
 		Templates: templates,
 		Size:      2,
 	}
@@ -322,3 +323,15 @@ func appendConfig(c1, c2 *clientcmdapi.Config) *clientcmdapi.Config {
 	_ = mergo.Merge(config, c2)
 	return config
 }
+
+// CheckAndTransformFilePath return converted path
+func CheckAndTransformFilePath(path string) (string, error) {
+	if strings.HasPrefix(path, "~/") {
+		path = filepath.Join(homeDir(), path[2:])
+	}
+	_, err := os.Stat(path) //os.Stat获取文件信息
+	if err != nil {
+		return "", err
+	}
+	return path, nil
+}
diff --git a/cmd/utils_test.go b/cmd/utils_test.go
index 75c416a9..ad390ef4 100644
--- a/cmd/utils_test.go
+++ b/cmd/utils_test.go
@@ -1,8 +1,12 @@
 package cmd
 
 import (
+	"reflect"
 	"testing"
 
+	apiequality "k8s.io/apimachinery/pkg/api/equality"
+
+	"k8s.io/apimachinery/pkg/util/diff"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 )
 
@@ -55,7 +59,62 @@ func Test_appendConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			got := appendConfig(tt.args.c1, tt.args.c2)
-			checkResult(tt.want, got, t)
+			checkResult(tt.want, got, "", t)
 		})
 	}
 }
+
+func checkResult(want, got *clientcmdapi.Config, wantname string, t *testing.T) {
+	testSetNilMapsToEmpties(reflect.ValueOf(&got))
+	testSetNilMapsToEmpties(reflect.ValueOf(&want))
+	testClearLocationOfOrigin(got)
+
+	if !apiequality.Semantic.DeepEqual(want, got) {
+		t.Errorf("diff: %v", diff.ObjectDiff(want, got))
+		t.Errorf("expected: %#v\n actual:   %#v", want, got)
+	}
+}
+
+func testClearLocationOfOrigin(config *clientcmdapi.Config) {
+	for key, obj := range config.AuthInfos {
+		obj.LocationOfOrigin = ""
+		config.AuthInfos[key] = obj
+	}
+	for key, obj := range config.Clusters {
+		obj.LocationOfOrigin = ""
+		config.Clusters[key] = obj
+	}
+	for key, obj := range config.Contexts {
+		obj.LocationOfOrigin = ""
+		config.Contexts[key] = obj
+	}
+}
+
+func testSetNilMapsToEmpties(curr reflect.Value) {
+	actualCurrValue := curr
+	if curr.Kind() == reflect.Ptr {
+		actualCurrValue = curr.Elem()
+	}
+
+	switch actualCurrValue.Kind() {
+	case reflect.Map:
+		for _, mapKey := range actualCurrValue.MapKeys() {
+			currMapValue := actualCurrValue.MapIndex(mapKey)
+			testSetNilMapsToEmpties(currMapValue)
+		}
+
+	case reflect.Struct:
+		for fieldIndex := 0; fieldIndex < actualCurrValue.NumField(); fieldIndex++ {
+			currFieldValue := actualCurrValue.Field(fieldIndex)
+
+			if currFieldValue.Kind() == reflect.Map && currFieldValue.IsNil() {
+				newValue := reflect.MakeMap(currFieldValue.Type())
+				currFieldValue.Set(newValue)
+			} else {
+				testSetNilMapsToEmpties(currFieldValue.Addr())
+			}
+		}
+
+	}
+
+}
diff --git a/docs/README.md b/docs/README.md
index 080816ab..75257c2f 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -14,7 +14,7 @@ Manage your kubeconfig more easily.
 |   <| |_| | |_) |  __/ (__| | | | | |
 |_|\_\\__,_|_.__/ \___|\___|_| |_| |_|
 
-Find more information at: https://github.com/sunny0826/kubecm
+Find more information at: https://kubecm.cloud
 
 Usage:
   kubecm [flags]
diff --git a/docs/en-us/cli/kubecm_add.md b/docs/en-us/cli/kubecm_add.md
index 6b267686..b41249ef 100644
--- a/docs/en-us/cli/kubecm_add.md
+++ b/docs/en-us/cli/kubecm_add.md
@@ -1,10 +1,10 @@
 ## kubecm add
 
-Merge configuration file with $HOME/.kube/config
+Add kubeconfig to $HOME/.kube/config
 
 ### Synopsis
 
-Merge configuration file with $HOME/.kube/config
+Add kubeconfig to $HOME/.kube/config
 
 ```
 kubecm add [flags]
@@ -14,28 +14,20 @@ kubecm add [flags]
 
 ```
 
-# Merge 1.yaml with $HOME/.kube/config
-kubecm add -f 1.yaml 
-
-# Merge 1.yaml and name contexts test with $HOME/.kube/config
-kubecm add -f 1.yaml -n test
-
-# Overwrite the original kubeconfig file
-kubecm add -f 1.yaml -c
+# Merge test.yaml with $HOME/.kube/config
+kubecm add -f test.yaml 
 
 ```
 
 ### Options
 
 ```
-  -c, --cover         Overwrite the original kubeconfig file
   -f, --file string   Path to merge kubeconfig files
   -h, --help          help for add
-  -n, --name string   The name of contexts. if this field is null,it will be named with file name.
 ```
 
 ### Options inherited from parent commands
 
 ```
-      --config string   path of kubeconfig (default "/Users/guoxudong/.kube/config")
+      --config string   path of kubeconfig (default "/Users/saybot/.kube/config")
 ```
diff --git a/docs/en-us/cli/kubecm_merge.md b/docs/en-us/cli/kubecm_merge.md
index f4ffa4dd..8a634e32 100644
--- a/docs/en-us/cli/kubecm_merge.md
+++ b/docs/en-us/cli/kubecm_merge.md
@@ -17,15 +17,11 @@ kubecm merge [flags]
 # Merge kubeconfig in the dir directory
 kubecm merge -f dir
 
-# Merge kubeconfig in the directory and overwrite the original kubeconfig file
-kubecm merge -f dir -c
-
 ```
 
 ### Options
 
 ```
-  -c, --cover           Overwrite the original kubeconfig file
   -f, --folder string   Kubeconfig folder
   -h, --help            help for merge
 ```
@@ -33,5 +29,5 @@ kubecm merge -f dir -c
 ### Options inherited from parent commands
 
 ```
-      --config string   path of kubeconfig (default "/Users/guoxudong/.kube/config")
+      --config string   path of kubeconfig (default "/Users/saybot/.kube/config")
 ```
diff --git a/docs/zh-cn/cli/kubecm_add.md b/docs/zh-cn/cli/kubecm_add.md
index 7ec71e40..7559ca44 100644
--- a/docs/zh-cn/cli/kubecm_add.md
+++ b/docs/zh-cn/cli/kubecm_add.md
@@ -17,21 +17,13 @@ kubecm add [flags]
 # Merge 1.yaml with $HOME/.kube/config
 kubecm add -f 1.yaml 
 
-# Merge 1.yaml and name contexts test with $HOME/.kube/config
-kubecm add -f 1.yaml -n test
-
-# Overwrite the original kubeconfig file
-kubecm add -f 1.yaml -c
-
 ```
 
 ### 选项
 
 ```
-  -c, --cover         Overwrite the original kubeconfig file
   -f, --file string   Path to merge kubeconfig files
   -h, --help          help for add
-  -n, --name string   The name of contexts. if this field is null,it will be named with file name.
 ```
 
 ### 全局选项
diff --git a/docs/zh-cn/cli/kubecm_merge.md b/docs/zh-cn/cli/kubecm_merge.md
index 5a9dbc1d..e1a78819 100644
--- a/docs/zh-cn/cli/kubecm_merge.md
+++ b/docs/zh-cn/cli/kubecm_merge.md
@@ -17,15 +17,11 @@ kubecm merge [flags]
 # Merge kubeconfig in the dir directory
 kubecm merge -f dir
 
-# Merge kubeconfig in the directory and overwrite the original kubeconfig file
-kubecm merge -f dir -c
-
 ```
 
 ### 选项
 
 ```
-  -c, --cover           Overwrite the original kubeconfig file
   -f, --folder string   Kubeconfig folder
   -h, --help            help for merge
 ```