diff --git a/manifests/dashboard/kubernetes-dashboard.yaml b/manifests/dashboard/kubernetes-dashboard.yaml
index ebb82e4..af07c2b 100644
--- a/manifests/dashboard/kubernetes-dashboard.yaml
+++ b/manifests/dashboard/kubernetes-dashboard.yaml
@@ -189,8 +189,7 @@ spec:
     spec:
       containers:
         - name: kubernetes-dashboard
-          image: kubernetesui/dashboard:v2.0.0-rc3
-
+          image: kubernetesui/dashboard:v2.0.1
           ports:
             - containerPort: 8443
               protocol: TCP
@@ -226,8 +225,6 @@ spec:
         - name: tmp-volume
           emptyDir: {}
       serviceAccountName: kubernetes-dashboard
-      nodeSelector:
-        "beta.kubernetes.io/os": linux
       # Comment the following tolerations if Dashboard must not be deployed on master
       tolerations:
         - key: node-role.kubernetes.io/master
@@ -273,7 +270,7 @@ spec:
     spec:
       containers:
         - name: dashboard-metrics-scraper
-          image: kubernetesui/metrics-scraper:v1.0.3
+          image: kubernetesui/metrics-scraper:v1.0.4
           ports:
             - containerPort: 8000
               protocol: TCP
@@ -293,8 +290,6 @@ spec:
             runAsUser: 1001
             runAsGroup: 2001
       serviceAccountName: kubernetes-dashboard
-      nodeSelector:
-        "beta.kubernetes.io/os": linux
       # Comment the following tolerations if Dashboard must not be deployed on master
       tolerations:
         - key: node-role.kubernetes.io/master
diff --git a/roles/cluster-addon/defaults/main.yml b/roles/cluster-addon/defaults/main.yml
index 8bec89c..6a5d52d 100644
--- a/roles/cluster-addon/defaults/main.yml
+++ b/roles/cluster-addon/defaults/main.yml
@@ -21,7 +21,7 @@ metricsserver_offline: "metrics-server_{{ metricsVer }}.tar"
 # dashboard 自动安装
 # dashboard v2.x.x 不依赖于heapster
 dashboard_install: "yes"
-dashboardVer: "v2.0.0"
+dashboardVer: "v2.0.1"
 dashboard_offline: "dashboard_{{ dashboardVer }}.tar"
 dashboardMetricsScraperVer: "v1.0.4"
 metricsscraper_offline: "metrics-scraper_{{ dashboardMetricsScraperVer }}.tar"
diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index 42247e8..60d239c 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -1,15 +1,10 @@
+- name: 获取是否已经安装docker
+  shell: 'systemctl status docker|grep Active || echo "NoFound"'
+  register: docker_svc
+
 - name: 获取是否已经安装containerd
-  shell: 'systemctl status containerd|grep Active || echo "NOT FOUND"'
-  register: containerd_status
-
-- name: fail info1
-  fail: msg="Containerd already installed!"
-  when: '"running" in containerd_status.stdout'
-
-- name: 获取是否运行名为'kubeasz'的容器
-  shell: 'systemctl status docker|grep Active && docker ps|grep kubeasz || echo "NOT FOUND"'
-  register: install_info
-  tags: upgrade_docker, download_docker
+  shell: 'systemctl status containerd|grep Active || echo "NoFound"'
+  register: containerd_svc
 
 # 18.09.x 版本二进制名字有变化，需要做判断
 - name: 获取docker版本信息
@@ -104,4 +99,4 @@
     - name: 配置 docker 命令软链接
       file: src={{ bin_dir }}/docker dest=/usr/bin/docker state=link
       ignore_errors: true
-  when: "'kubeasz' not in install_info.stdout"
+  when: "'running' not in containerd_svc.stdout and 'running' not in docker_svc.stdout"
diff --git a/tools/easzup b/tools/easzup
index b36a80e..7af6bdc 100755
--- a/tools/easzup
+++ b/tools/easzup
@@ -15,25 +15,22 @@ set -o errexit
 
 # default version, can be overridden by cmd line options
 export DOCKER_VER=19.03.8
-export KUBEASZ_VER=2.3.0
+export KUBEASZ_VER=2.2.0
 export K8S_BIN_VER=v1.18.3
-export EXT_BIN_VER=0.5.0
+export EXT_BIN_VER=0.5.2
 export SYS_PKG_VER=0.3.3
 
-function install_docker() {
-  # check if a container runtime is already installed
-  systemctl status docker|grep Active|grep -q running && { echo "[WARN] docker is already running."; return 0; }
-  systemctl status containerd|grep Active|grep -q running && { echo "[ERROR] containerd is running, unsupported."; exit 1; }
- 
-  which docker && { echo "[WARN] docker is installed."; systemctl restart docker; return 0; }
-
+function download_docker() {
+  [[ -f "/etc/ansible/bin/dockerd" ]] && { echo "[WARN] docker is downloaded."; return 0; }
+   
+  echo -e "[INFO] \033[33mdownloading docker binaries\033[0m $DOCKER_VER"
   if [[ "$REGISTRY_MIRROR" == CN ]];then
     DOCKER_URL="https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/static/stable/x86_64/docker-${DOCKER_VER}.tgz"
   else
     DOCKER_URL="https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VER}.tgz"
   fi
 
-  mkdir -p /opt/kube/bin /etc/docker /etc/ansible/down
+  mkdir -p /opt/kube/bin /etc/ansible/down /etc/ansible/bin
   if [[ -f "/etc/ansible/down/docker-${DOCKER_VER}.tgz" ]];then
     echo "[INFO] docker binaries already existed"
   else
@@ -43,12 +40,20 @@ function install_docker() {
     else
       wget -c "$DOCKER_URL" || { echo "[ERROR] downloading docker failed"; exit 1; }
     fi
-    mv ./docker-${DOCKER_VER}.tgz /etc/ansible/down
+    /bin/mv -f ./docker-${DOCKER_VER}.tgz /etc/ansible/down
   fi
 
   tar zxf /etc/ansible/down/docker-${DOCKER_VER}.tgz -C /etc/ansible/down && \
-  mv /etc/ansible/down/docker/* /opt/kube/bin && \
+  /bin/cp -f /etc/ansible/down/docker/* /etc/ansible/bin && \
+  /bin/mv -f /etc/ansible/down/docker/* /opt/kube/bin && \
   ln -sf /opt/kube/bin/docker /bin/docker 
+}
+
+function install_docker() {
+  # check if a container runtime is already installed
+  systemctl status docker|grep Active|grep -q running && { echo "[WARN] docker is already running."; return 0; }
+ 
+  which docker && { echo "[WARN] docker is installed."; systemctl restart docker; return 0; }
 
   echo "[INFO] generate docker service file"
   cat > /etc/systemd/system/docker.service << EOF
@@ -72,6 +77,7 @@ WantedBy=multi-user.target
 EOF
 
   # configuration for dockerd
+  mkdir -p /etc/docker
   echo "[INFO] generate docker config file"
   if [[ "$REGISTRY_MIRROR" == CN ]];then
     echo "[INFO] prepare register mirror for $REGISTRY_MIRROR"
@@ -126,7 +132,7 @@ function get_kubeasz() {
   echo "[INFO] run a temporary container"
   docker run -d --name temp_easz easzlab/kubeasz:${KUBEASZ_VER} || { echo "[ERROR] download failed."; exit 1; }
 
-  [[ -f "/etc/ansible/down/docker-${DOCKER_VER}.tgz" ]] && mv "/etc/ansible/down/docker-${DOCKER_VER}.tgz" /tmp
+  [[ -f "/etc/ansible/down/docker-${DOCKER_VER}.tgz" ]] && /bin/mv -f "/etc/ansible/down/docker-${DOCKER_VER}.tgz" /tmp
 
   rm -rf /etc/ansible && \
   echo "[INFO] cp kubeasz code from the temporary container" && \
@@ -134,7 +140,8 @@ function get_kubeasz() {
   echo "[INFO] stop&remove temporary container" && \
   docker rm -f temp_easz
 
- [[ -f "/tmp/docker-${DOCKER_VER}.tgz" ]] && mv "/tmp/docker-${DOCKER_VER}.tgz" /etc/ansible/down
+ [[ -f "/tmp/docker-${DOCKER_VER}.tgz" ]] && /bin/mv -f "/tmp/docker-${DOCKER_VER}.tgz" /etc/ansible/down
+ [[ -d "/opt/kube/bin" ]] && /bin/mv -f "/opt/kube/bin/*" /etc/ansible/bin
  return 0
 }
 
@@ -147,7 +154,7 @@ function get_k8s_bin() {
   docker run -d --name temp_k8s_bin easzlab/kubeasz-k8s-bin:${K8S_BIN_VER} && \
   echo "[INFO] cp k8s binaries" && \
   docker cp temp_k8s_bin:/k8s /k8s_bin_tmp && \
-  mv /k8s_bin_tmp/* /etc/ansible/bin && \
+  /bin/mv -f /k8s_bin_tmp/* /etc/ansible/bin && \
   echo "[INFO] stop&remove temporary container" && \
   docker rm -f temp_k8s_bin && \
   rm -rf /k8s_bin_tmp
@@ -162,7 +169,7 @@ function get_ext_bin() {
   docker run -d --name temp_ext_bin easzlab/kubeasz-ext-bin:${EXT_BIN_VER} && \
   echo "[INFO] cp extral binaries" && \
   docker cp temp_ext_bin:/extra /extra_bin_tmp && \
-  mv /extra_bin_tmp/* /etc/ansible/bin && \
+  /bin/mv -f /extra_bin_tmp/* /etc/ansible/bin && \
   echo "[INFO] stop&remove temporary container" && \
   docker rm -f temp_ext_bin && \
   rm -rf /extra_bin_tmp
@@ -185,7 +192,7 @@ function get_offline_image() {
   # images needed by k8s cluster
   calicoVer=v3.8.8
   corednsVer=1.6.7
-  dashboardVer=v2.0.0
+  dashboardVer=v2.0.1
   dashboardMetricsScraperVer=v1.0.4
   flannelVer=v0.12.0-amd64
   metricsVer=v0.3.6
@@ -234,11 +241,11 @@ function get_offline_image() {
 }
 
 function download_all() {
+  download_docker && \
   install_docker && \
   get_kubeasz && \
   get_k8s_bin && \
   get_ext_bin && \
-  get_sys_pkg && \
   get_offline_image
 }
 
@@ -292,6 +299,7 @@ Usage: easzup [options] [args]
   option: -{DdekSz}
     -C         stop&clean all local containers
     -D         download all into /etc/ansible
+    -P         download system packages for offline installing
     -S         start kubeasz in a container
     -d <ver>   set docker-ce version, default "$DOCKER_VER"
     -e <ver>   set kubeasz-ext-bin version, default "$EXT_BIN_VER"
@@ -315,7 +323,7 @@ function main() {
   
   export REGISTRY_MIRROR="CN"
   ACTION=""
-  while getopts "CDSd:e:k:m:p:z:" OPTION; do
+  while getopts "CDPSd:e:k:m:p:z:" OPTION; do
       case "$OPTION" in
         C)
           ACTION="clean_container"
@@ -323,6 +331,9 @@ function main() {
         D)
           ACTION="download_all"
           ;;
+        P)
+          ACTION="get_sys_pkg"
+          ;;
         S)
           ACTION="start_kubeasz_docker"
           ;;