diff --git a/auto-build.sh b/auto-build.sh
index 5bf1af2..dcfa748 100644
--- a/auto-build.sh
+++ b/auto-build.sh
@@ -87,19 +87,20 @@ sudo chmod +x version.sh download.sh && export kube_install_version="$k8s_versio
 ./download.sh "${cri}"
 
 sudo chmod +x amd64/bin/kube* && sudo chmod +x arm64/bin/kube*
-#download v0.9.1 sealer
-sudo wget https://github.com/sealerio/sealer/releases/download/v0.9.1/sealer-v0.9.1-linux-amd64.tar.gz && tar -xvf sealer-v0.9.1-linux-amd64.tar.gz -C /usr/bin
+#download v0.9.2 sealer
+sudo wget https://github.com/sealerio/sealer/releases/download/v0.9.2/sealer-v0.9.2-linux-amd64.tar.gz && tar -xvf sealer-v0.9.2-linux-amd64.tar.gz -C /usr/bin
 sudo sed -i "s/v1.19.8/$k8s_version/g" rootfs/etc/kubeadm.yml ##change k8s_version
 sudo sed -i "s/v1.19.8/$k8s_version/g" rootfs/etc/kubeadm.yml.tmpl ##change k8s_version
 if [[ "$cri" == "containerd" ]]; then sudo sed -i "s/\/var\/run\/dockershim.sock/\/run\/containerd\/containerd.sock/g" rootfs/etc/kubeadm.yml; fi
 if [[ "$cri" == "containerd" ]]; then sudo sed -i "s/\/var\/run\/dockershim.sock/\/run\/containerd\/containerd.sock/g" rootfs/etc/kubeadm.yml.tmpl; fi
-sudo sed -i "s/kubeadm.k8s.io\/v1beta2/$kubeadmApiVersion/g" rootfs/etc/kubeadm.yml
-sudo sed -i "s/kubeadm.k8s.io\/v1beta2/$kubeadmApiVersion/g" rootfs/etc/kubeadm.yml.tmpl
+sudo sed -i "s/kubeadm.k8s.io\/v1beta3/$kubeadmApiVersion/g" rootfs/etc/kubeadm.yml
+sudo sed -i "s/kubeadm.k8s.io\/v1beta3/$kubeadmApiVersion/g" rootfs/etc/kubeadm.yml.tmpl
 sudo ./"${ARCH}"/bin/kubeadm config images list --config "rootfs/etc/kubeadm.yml"
 sudo mkdir -p rootfs/manifests
 sudo ./"${ARCH}"/bin/kubeadm config images list --config "rootfs/etc/kubeadm.yml" 2>/dev/null | sed "/WARNING/d" >>imageList
 if [ "$(sudo ./"${ARCH}"/bin/kubeadm config images list --config rootfs/etc/kubeadm.yml 2>/dev/null | grep -c "coredns/coredns")" -gt 0 ]; then sudo sed -i "s/#imageRepository/imageRepository/g" rootfs/etc/kubeadm.yml.tmpl; fi
-sudo sed -i "s/k8s.gcr.io/sea.hub:5000/g" rootfs/etc/kubeadm.yml.tmpl
+#if [ "$(sudo ./"${ARCH}"/bin/kubeadm config images list --config rootfs/etc/kubeadm.yml 2>/dev/null | grep -c "coredns/coredns")" -gt 0 ]; then sudo sed -i "s/#imageRepository/imageRepository/g" rootfs/etc/kubeadm.yml; fi
+sudo sed -i "s/registry.k8s.io/sea.hub:5000/g" rootfs/etc/kubeadm.yml.tmpl
 pauseImage=$(./"${ARCH}"/bin/kubeadm config images list --config "rootfs/etc/kubeadm.yml" 2>/dev/null | sed "/WARNING/d" | grep pause)
 if [ -f "rootfs/etc/dump-config.toml" ]; then sudo sed -i "s/sea.hub:5000\/pause:3.6/$(echo "$pauseImage" | sed 's/\//\\\//g')/g" rootfs/etc/dump-config.toml; fi
 sudo sealer build -t "docker.io/sealerio/kubernetes:${k8s_version}" -f Kubefile
@@ -108,4 +109,4 @@ if [[ "$push" == "true" ]]; then
     sudo sealer login "$(echo "docker.io" | cut -d "/" -f1)" -u "${username}" -p "${password}"
   fi
   sudo sealer push "docker.io/sealerio/kubernetes:${k8s_version}"
-fi
+fi
\ No newline at end of file
diff --git a/context/rootfs/etc/kubeadm.yml b/context/rootfs/etc/kubeadm.yml
index d512c22..f7b2c50 100644
--- a/context/rootfs/etc/kubeadm.yml
+++ b/context/rootfs/etc/kubeadm.yml
@@ -1,4 +1,4 @@
-apiVersion: kubeadm.k8s.io/v1beta2
+apiVersion: kubeadm.k8s.io/v1beta3
 kind: InitConfiguration
 localAPIEndpoint:
   bindPort: 6443
@@ -31,7 +31,7 @@ apiServer:
       name: localtime
       pathType: File
       readOnly: true
-apiVersion: kubeadm.k8s.io/v1beta2
+apiVersion: kubeadm.k8s.io/v1beta3
 controllerManager:
   extraArgs:
     experimental-cluster-signing-duration: 876000h
@@ -44,13 +44,13 @@ controllerManager:
       readOnly: true
 dns:
   type: ""
-  #imageRepository: sea.hub:5000/coredns
+  imageRepository: registry.k8s.io/coredns
 etcd:
   local:
     dataDir: ""
     extraArgs:
       listen-metrics-urls: http://0.0.0.0:2381
-imageRepository: k8s.gcr.io
+imageRepository: registry.k8s.io
 kind: ClusterConfiguration
 kubernetesVersion: v1.19.8
 networking:
@@ -66,7 +66,7 @@ scheduler:
       pathType: File
       readOnly: true
 ---
-apiVersion: kubeadm.k8s.io/v1beta2
+apiVersion: kubeadm.k8s.io/v1beta3
 kind: JoinConfiguration
 caCertPath: /etc/kubernetes/pki/ca.crt
 discovery:
diff --git a/context/rootfs/etc/kubeadm.yml.tmpl b/context/rootfs/etc/kubeadm.yml.tmpl
index 06891b6..07f3730 100644
--- a/context/rootfs/etc/kubeadm.yml.tmpl
+++ b/context/rootfs/etc/kubeadm.yml.tmpl
@@ -1,4 +1,4 @@
-apiVersion: kubeadm.k8s.io/v1beta2
+apiVersion: kubeadm.k8s.io/v1beta3
 kind: InitConfiguration
 localAPIEndpoint:
   advertiseAddress: 172.16.0.181
@@ -34,7 +34,7 @@ apiServer:
     name: localtime
     pathType: File
     readOnly: true
-apiVersion: kubeadm.k8s.io/v1beta2
+apiVersion: kubeadm.k8s.io/v1beta3
 controlPlaneEndpoint: apiserver.cluster.local:6443
 controllerManager:
   extraArgs:
@@ -48,7 +48,7 @@ controllerManager:
     readOnly: true
 dns:
   type: ""
-  #imageRepository: {{or .RegistryURL "sea.hub:5000"}}/coredns
+  imageRepository: {{or .RegistryURL "sea.hub:5000"}}/coredns
 etcd:
   local:
     dataDir: ""
@@ -70,6 +70,18 @@ scheduler:
     pathType: File
     readOnly: true
 
+---
+apiVersion: kubeadm.k8s.io/v1beta3
+kind: JoinConfiguration
+caCertPath: /etc/kubernetes/pki/ca.crt
+discovery:
+  timeout: 5m0s
+nodeRegistration:
+  criSocket: /var/run/dockershim.sock
+controlPlane:
+  localAPIEndpoint:
+    bindPort: 6443
+
 ---
 apiVersion: kubelet.config.k8s.io/v1beta1
 authentication:
@@ -85,7 +97,7 @@ authorization:
   webhook:
     cacheAuthorizedTTL: 5m0s
     cacheUnauthorizedTTL: 30s
-cgroupDriver: cgroupfs
+cgroupDriver: systemd
 cgroupsPerQOS: true
 clusterDomain: cluster.local
 configMapAndSecretChangeDetectionStrategy: Watch
@@ -99,7 +111,7 @@ cpuManagerReconcilePeriod: 10s
 enableControllerAttachDetach: true
 enableDebuggingHandlers: true
 enforceNodeAllocatable:
-- pods
+  - pods
 eventBurst: 10
 eventRecordQPS: 5
 evictionHard:
@@ -172,7 +184,7 @@ iptables:
   syncPeriod: 0s
 ipvs:
   excludeCIDRs:
-  - 10.103.97.2/32
+    - 10.103.97.2/32
   minSyncPeriod: 0s
   scheduler: ""
   strictARP: false
@@ -191,4 +203,4 @@ udpIdleTimeout: 0s
 winkernel:
   enableDSR: false
   networkName: ""
-  sourceVip: ""
+  sourceVip: ""
\ No newline at end of file