diff --git a/commands/upgrade_kubectlkubelet.go b/commands/upgrade_kubectlkubelet.go
index 8120cf4..1b01450 100644
--- a/commands/upgrade_kubectlkubelet.go
+++ b/commands/upgrade_kubectlkubelet.go
@@ -64,19 +64,13 @@ func runUpgradeKubectlAndKubelet(spec *operatorv1.UpgradeKubeletAndKubeactlComma
 		return err
 	}
 
-	// TODO stop kubelet and replace it
-	cmd = newCmd("/usr/bin/cp", "-f", "/usr/bin/kubelet-"+spec.KubernetesVersion, "/usr/bin/kubelet")
+	// see https://github.com/pacoxu/kubelet-reloader/ to add a daemon or service on nodes to replace kubelet and restart kubelet.
+	cmd = newCmd("/usr/bin/cp", "-f", "/usr/bin/kubelet-"+spec.KubernetesVersion, "/usr/bin/kubelet-new")
 	start, err = cmd.RunAndCapture()
 	if err != nil {
-		// skip kubelet replacement
-		cmd = newCmd("/usr/bin/cp", "-f", "/usr/bin/kubelet-"+spec.KubernetesVersion, "/usr/bin/kubelet-new")
-		start, err = cmd.RunAndCapture()
-		if err != nil {
-		}
-		// return errors.WithStack(errors.WithMessage(err, strings.Join(start, "\n")))
+		return errors.WithStack(errors.WithMessage(err, strings.Join(start, "\n")))
 	} else {
 		log.Info(fmt.Sprintf("%s", strings.Join(start, "\n")))
 	}
-
 	return nil
 }
diff --git a/config/crd/bases/operator.kubeadm.x-k8s.io_operations.yaml b/config/crd/bases/operator.kubeadm.x-k8s.io_operations.yaml
index 199dca4..99ad2c6 100644
--- a/config/crd/bases/operator.kubeadm.x-k8s.io_operations.yaml
+++ b/config/crd/bases/operator.kubeadm.x-k8s.io_operations.yaml
@@ -255,8 +255,7 @@ spec:
                                             - kubernetesVersion
                                             type: object
                                           kubeadmUpgradeKubeProxy:
-                                            description: KubeadmUpgradeApplyCommandSpec
-                                              provides...
+                                            description: not implemented yet
                                             properties:
                                               kubernetesVersion:
                                                 description: KubernetesVersion specifies
diff --git a/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetaskgroups.yaml b/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetaskgroups.yaml
index e2d3739..071f8b6 100644
--- a/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetaskgroups.yaml
+++ b/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetaskgroups.yaml
@@ -209,7 +209,7 @@ spec:
                               - kubernetesVersion
                               type: object
                             kubeadmUpgradeKubeProxy:
-                              description: KubeadmUpgradeApplyCommandSpec provides...
+                              description: not implemented yet
                               properties:
                                 kubernetesVersion:
                                   description: KubernetesVersion specifies the target
diff --git a/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetasks.yaml b/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetasks.yaml
index 9effd9a..cb2ff85 100644
--- a/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetasks.yaml
+++ b/config/crd/bases/operator.kubeadm.x-k8s.io_runtimetasks.yaml
@@ -90,7 +90,7 @@ spec:
                       - kubernetesVersion
                       type: object
                     kubeadmUpgradeKubeProxy:
-                      description: KubeadmUpgradeApplyCommandSpec provides...
+                      description: not implemented yet
                       properties:
                         kubernetesVersion:
                           description: KubernetesVersion specifies the target kubernetes
diff --git a/config/manager/manager.yaml b/config/manager/manager.yaml
index 6a241e3..e850c67 100644
--- a/config/manager/manager.yaml
+++ b/config/manager/manager.yaml
@@ -43,7 +43,7 @@ spec:
         name: manager
         resources:
           limits:
-            cpu: 100m
+            cpu: 200m
             memory: 30Mi
           requests:
             cpu: 100m