diff --git a/README.md b/README.md
index 0119d43..40fe491 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,17 @@ export ALICLOUD_ACCESS_KEY=XXX
 export ALICLOUD_SECRET_KEY=XXX
 packer build examples/ack-centos.json
 ```
+
+## Build ACK-Optimized-OS image
+
+Execute following scripts in your shell
+
+```
+export ALICLOUD_ACCESS_KEY=XXX
+export ALICLOUD_SECRET_KEY=XXX
+packer build examples/ack-optimized-os.json
+```
+
 ## Building in the kubernetes
 
 ```shell script
diff --git a/examples/ack-optimized-aliyunlinux2.json b/examples/ack-optimized-os.json
similarity index 100%
rename from examples/ack-optimized-aliyunlinux2.json
rename to examples/ack-optimized-os.json
diff --git a/scripts/ack-optimized-os.sh b/scripts/ack-optimized-os.sh
index 8da1e2e..7872ae5 100755
--- a/scripts/ack-optimized-os.sh
+++ b/scripts/ack-optimized-os.sh
@@ -17,10 +17,6 @@ download_pkg() {
 }
 
 source_file() {
-    pwd_dir=$(pwd)
-    echo $pwd_dir >&2
-    ls >&2
-    ls $SRC_DIR  >&2
     source pkg/run/$KUBE_VERSION/kubernetes.sh --role source
 }
 
@@ -38,7 +34,6 @@ alsa-lib
 alsa-tools-firmware
 authconfig
 avahi-libs
-bc
 bind-libs-lite
 bind-license
 biosdevname
@@ -152,17 +147,19 @@ pull_image() {
     docker pull  registry-vpc.${REGION}.aliyuncs.com/acs/coredns:1.6.7
 }
 
-enable_service() {
-    systemctl enable docker
-    systemctl enable kubelet
+update_os_release() {
+    sed -i  "s#LTS#LTS ACK-Optimized-OS#"  /etc/image-id
 }
 
-update_os_release() {
-    echo ACK-Optmized-OS="True"  >> /etc/os-release
+record_k8s_version() {
+    cat > /etc/ACK-Optimized-OS <<-EOF
+kubelet=$KUBE_VERSION
+docker=$DOCKER_VERSION
+EOF
 }
 
 cleanup() {
-    rm -rf $SRC_DIR/{addon*,docker*,kubernetes*,pkg,run*}
+    rm -rf ./{addon*,docker*,kubernetes*,pkg,run*}
 }
 
 main() {
@@ -175,8 +172,8 @@ main() {
     install_pkg
 
     pull_image
-    enable_service
     update_os_release
+    record_k8s_version
 }
 
-main
+main
\ No newline at end of file