diff --git a/recovery.sh b/recovery.sh
index 4889140..7cadcc5 100644
--- a/recovery.sh
+++ b/recovery.sh
@@ -9,26 +9,57 @@ etcdctl -C http://127.0.0.1:2380 \
   --key-file=/etc/kubernetes/pki/etcd/peer.key  restore db
 
 
-
-docker run --rm \
--v '/mnt/backups/etcd:/backup' \
--v '/var/lib/etcd3:/var/lib/etcd' \
---env ETCDCTL_API=3 \
-'k8s.gcr.io/etcd:3.2.24' \
-/bin/sh -c "etcdctl snapshot restore '/backup/snapshot-2020-12-06_23-50-07_UTC.db'; mv /default.etcd/member /var/lib/etcd/"
-
-
 docker run --rm -it \
--v '/mnt/backups/etcd:/backup' \
+-v '/mnt/backups:/backup' \
 -v '/var/lib/etcd:/var/lib/etcd' \
 --env ETCDCTL_API=3 \
 'k8s.gcr.io/etcd:3.2.24' sh
 
 
 
+# 1  reset cluster
+kubeadm reset
+
+
+
+# 2 recovery etcd from backup
+
 docker run --rm \
--v '/mnt/backups/etcd:/backup' \
+-v '/mnt/backups:/backup' \
 -v '/var/lib/etcd:/var/lib/etcd' \
 --env ETCDCTL_API=3 \
 'k8s.gcr.io/etcd:3.2.24' \
-/bin/sh -c "etcdctl snapshot restore '/backup/snapshot-2020-12-06_23-50-07_UTC.db'; ls /default.etcd/; mv /default.etcd/member /var/lib/etcd"
+/bin/sh -c "etcdctl snapshot restore '/backup/snapshot-2022-02-06_05-00-02_UTC.db'; echo 'done'; ls /default.etcd/; mv /default.etcd/member /var/lib/etcd"
+
+
+## update docker cgroup
+
+vim /lib/systemd/system/docker.service
+
+# update
+ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock --exec-opt native.cgroupdriver=systemd
+
+systemctl daemon-reload
+systemctl restart docker
+
+# check cgroup
+docker system info --format '{{.CgroupDriver}}'
+
+# re init cluster
+sudo kubeadm init --ignore-preflight-errors=DirAvailable--var-lib-etcd --control-plane-endpoint home.toozhao.com --pod-network-cidr=10.244.0.0/16
+
+
+# check logs
+journalctl -xeu kubelet -f
+
+# install fiannel
+kubectl -n kube-system apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
+
+# print join command
+ sudo kubeadm token create --print-join-command
+
+
+# kubelet docker cgroupfs issue
+
+vim /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+# update KUBELET_CGROUP_ARGS=--cgroup-driver=systemd to KUBELET_CGROUP_ARGS=--cgroup-driver=cgroupfs