diff --git a/kubernetes/kubernetes/centos/files/kubeadm.conf b/kubernetes/kubernetes/centos/files/kubeadm.conf
index 62e3fd96d..7bba1dd45 100644
--- a/kubernetes/kubernetes/centos/files/kubeadm.conf
+++ b/kubernetes/kubernetes/centos/files/kubeadm.conf
@@ -9,6 +9,8 @@ EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
 EnvironmentFile=-/etc/sysconfig/kubelet
 ExecStart=
 ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
+ExecStartPost=/bin/bash -c 'echo $MAINPID > /var/run/kubelet.pid;'
+ExecStopPost=/bin/rm -f /var/run/kubelet.pid
 Restart=always
 StartLimitInterval=0
 RestartSec=10