diff --git a/README.md b/README.md
index 5296c28a..142b8671 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [中文](README_ZH.md) | [English](README.md) | [Wiki](https://github.com/wencaiwulue/kubevpn/wiki/Architecture)
 
-A tools which can connect to kubernetes cluster network, you can access remote kubernetes cluster network, remote
+A tunnel tools which can connect to kubernetes cluster network, you can access remote kubernetes cluster network, remote
 kubernetes cluster service can also access your local service
 
 ## QuickStart
diff --git a/pkg/handler/cleaner.go b/pkg/handler/cleaner.go
index b7b8791c..516b92e6 100644
--- a/pkg/handler/cleaner.go
+++ b/pkg/handler/cleaner.go
@@ -70,7 +70,15 @@ func updateRefCount(configMapInterface v12.ConfigMapInterface, name string, incr
 	err = retry.OnError(
 		retry.DefaultRetry,
 		func(err error) bool {
-			return !k8serrors.IsNotFound(err)
+			notFound := k8serrors.IsNotFound(err)
+			if notFound {
+				return false
+			}
+			conflict := k8serrors.IsConflict(err)
+			if conflict {
+				return true
+			}
+			return false
 		},
 		func() (err error) {
 			var cm *corev1.ConfigMap
diff --git a/pkg/util/elevatecheck_windows.go b/pkg/util/elevatecheck_windows.go
index 971fd4d7..e155d707 100644
--- a/pkg/util/elevatecheck_windows.go
+++ b/pkg/util/elevatecheck_windows.go
@@ -4,7 +4,9 @@
 package util
 
 import (
+	"fmt"
 	"os"
+	"os/exec"
 	"strings"
 	"syscall"
 
@@ -32,6 +34,30 @@ func RunWithElevated() {
 	}
 }
 
+// still can't use env KUBECONFIG
+func RunWithElevatedInnerExec() error {
+	var si windows.StartupInfo
+	var pi windows.ProcessInformation
+	path, err := exec.LookPath("Powershell")
+	if err != nil {
+		return err
+	}
+	executable, _ := os.Executable()
+	join := strings.Join(append([]string{executable}, os.Args[1:]...), " ")
+	// Powershell Start C:\Users\naison\Desktop\kubevpn-windows-amd64.exe  -Verb Runas -Wait -WindowStyle Hidden
+	c, _ := syscall.UTF16PtrFromString(fmt.Sprintf(`%s Start "%s" -Verb Runas`, path, join))
+	err = windows.CreateProcess(nil, c, nil, nil, true, windows.INHERIT_PARENT_AFFINITY, nil, nil, &si, &pi)
+	if err != nil {
+		return err
+	}
+	p, err := os.FindProcess(int(pi.ProcessId))
+	if err != nil {
+		return err
+	}
+	_, err = p.Wait()
+	return err
+}
+
 func IsAdmin() bool {
 	_, err := os.Open("\\\\.\\PHYSICALDRIVE0")
 	if err != nil {