diff --git a/apply.sh b/apply.sh
index 8db38f3..56a3fe3 100755
--- a/apply.sh
+++ b/apply.sh
@@ -306,3 +306,8 @@ vim /etc/resolv.conf # and remove local nameserver
 
 
 helm upgrade --install redis -n db -f db/redis-values.yaml bitnami/redis
+
+
+# downgrade  apt
+
+sudo apt install kubeadm=1.30.11-1.1
diff --git a/cluster.yaml b/cluster.yaml
index 19652c8..0dba1e4 100644
--- a/cluster.yaml
+++ b/cluster.yaml
@@ -1,4 +1,6 @@
 apiVersion: kubeadm.k8s.io/v1beta3
+kind: UpgradeConfiguration
+kubernetesVersion: v1.32.3
 bootstrapTokens:
 - groups:
   - system:bootstrappers:kubeadm:default-node-token
@@ -25,6 +27,7 @@ apiServer:
   timeoutForControlPlane: 4m0s
 apiVersion: kubeadm.k8s.io/v1beta3
 certificatesDir: /etc/kubernetes/pki
+clusterName: home-cluster
 controlPlaneEndpoint: 192.168.1.2:6443
 controllerManager: {}
 dns: {}
@@ -33,13 +36,11 @@ etcd:
     caFile: /etc/etcd/ca.pem
     certFile: /etc/etcd/etcd.pem
     endpoints:
+    - https://192.168.1.6:2379
     - https://192.168.1.10:2379
     - https://192.168.1.11:2379
-    - https://192.168.1.2:2379
-    - https://192.168.1.6:2379
     keyFile: /etc/etcd/etcd-key.pem
 kind: ClusterConfiguration
-kubernetesVersion: v1.26.0
 networking:
   dnsDomain: cluster.local
   podSubnet: 10.244.0.0/16
diff --git a/etcd.sh b/etcd.sh
index 701c85b..179f2b2 100755
--- a/etcd.sh
+++ b/etcd.sh
@@ -15,3 +15,10 @@ sudo ETCDCTL_API=3 etcdctl get --prefix=true "" -w json  --endpoints=https://127
 # remove a member
 
  sudo ETCDCTL_API=3 etcdctl member remove 3f3a73a30a4872c4  --endpoints=https://127.0.0.1:2379   --cacert=/etc/etcd/ca.pem   --cert=/etc/etcd/etcd.pem   --key=/etc/etcd/etcd-key.pem
+
+
+ETCDCTL_API=3 etcdctl endpoint health \
+--endpoints=https://192.168.1.2:2379,https://192.168.1.11:2379,https://192.168.1.10:2379, https://192.168.1.6:2379 \
+--cacert=/etc/etcd/ca.pem \
+--cert=/etc/etcd/etcd.pem \
+--key=/etc/etcd/etcd-key.pem