diff --git a/README.md b/README.md
index 006d70c..118c832 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,12 @@
 说明: 
 
 * 需安装 Docker Desktop 的 Mac 或者 Windows 版本，如果没有请下载[下载 Docker CE最新版本](https://store.docker.com/search?type=edition&offering=community)
-* 当前 master 分支已经在 Docker for Mac/Windows 2.3.6.0 Edge (包含 Docker CE 19.03.13 和 Kubernetes 1.18.8) 版本测试通过
+* 当前 master 分支已经在 Docker for Mac/Windows 3.1.0 (包含 Docker CE 20.10.3 和 Kubernetes 1.19.7) 版本测试通过
 * 如果需要测试其他版本，请查看 Docker Desktop版本，Docker -> About Docker Desktop
   ![about](images/about.png)
+  * 如Kubernetes版本为 v1.19.3, 请使用下面命令切换 [v1.19.3 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.19.3) ```git checkout v1.19.3```
+  * 如Kubernetes版本为 v1.19.2, 请使用下面命令切换 [v1.19.2 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.19.2) ```git checkout v1.19.2```
+  * 如Kubernetes版本为 v1.18.8, 请使用下面命令切换 [v1.18.8 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.18.8) ```git checkout v1.18.8```
   * 如Kubernetes版本为 v1.18.6, 请使用下面命令切换 [v1.18.6 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.18.6) ```git checkout v1.18.6```
   * 如Kubernetes版本为 v1.18.3, 请使用下面命令切换 [v1.18.3 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.18.3) ```git checkout v1.18.3```
   * 如Kubernetes版本为 v1.16.5, 请使用下面命令切换 [v1.16.5 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.16.5) ```git checkout v1.16.5```
@@ -72,8 +75,17 @@ pred='process matches ".*(ocker|vpnkit).*"
 
 在Windows上:
 
-如果在Kubernetes部署的过程中出现问题，可以在 C:\ProgramData\DockerDesktop下的service.txt 查看Docker日志; 
-如果看到 Kubernetes一直在启动状态，请参考 [Issue 3769(comment)](https://github.com/docker/for-win/issues/3769#issuecomment-486046718) 和 [Issue 1962(comment)](https://github.com/docker/for-win/issues/1962#issuecomment-431091114)
+如果在Kubernetes部署的过程中出现问题，可以在 C:\ProgramData\DockerDesktop下的service.txt 查看Docker日志, 在 C:\Users\yourUserName\AppData\Local\Docker下的log.txt 查看Kubernetes日志 
+
+
+**问题诊断**：
+
+如果看到 Kubernetes一直在启动状态，请参考 
+
+* [Issue 3769(comment)](https://github.com/docker/for-win/issues/3769#issuecomment-486046718) 或 [Issue 3649(comment)](https://github.com/docker/for-mac/issues/3649#issuecomment-497441158)
+  * 在macOS上面，执行 ```rm -fr '~/Library/Group\ Containers/group.com.docker/pki'```
+  * 在Windows上面删除 'C:\ProgramData\DockerDesktop\pki' 目录 和 'C:\Users\yourUserName\AppData\Local\Docker\pki' 目录
+* [Issue 1962(comment)](https://github.com/docker/for-win/issues/1962#issuecomment-431091114)
 
 ### 配置 Kubernetes
 
@@ -217,6 +229,7 @@ kubectl delete -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/con
 ### 安装 Helm
 
 可以根据文档安装 helm v3 https://helm.sh/docs/intro/install/
+在国内由于helm的cdn节点使用的是谷歌云所以可能访问不到，可以参考已存在的官方issue： https://github.com/helm/helm/issues/7028
 
 #### 在 Mac OS 上安装
 
diff --git a/README_en.md b/README_en.md
index ffa9d57..0a61444 100644
--- a/README_en.md
+++ b/README_en.md
@@ -4,9 +4,12 @@
 
 NOTE: 
 
-* The master branch is tested with Docker Desktop for Mac/Windows version 2.3.6.0 Edge (with Docker CE 19.03.13 and Kubernetes 1.18.8). 
+* The master branch is tested with Docker Desktop for Mac/Windows version 3.1.0 (with Docker CE 20.10.3 and Kubernetes 1.19.7). 
 * If you want to use with other version, pls check version of Kubernetes，Docker -> About Docker Desktop
     ![about](images/about.png)
+    * For Kubernetes v1.19.3, please use the v1.19.3 branch ```git checkout v1.19.3```
+    * For Kubernetes v1.19.2, please use the v1.19.2 branch ```git checkout v1.19.2```
+    * For Kubernetes v1.18.8, please use the v1.18.8 branch ```git checkout v1.18.8```
     * For Kubernetes v1.18.6, please use the v1.18.6 branch ```git checkout v1.18.6```
     * For Kubernetes v1.18.3, please use the v1.18.3 branch ```git checkout v1.18.3```
     * For Kubernetes v1.16.5, please use the v1.16.5 branch ```git checkout v1.16.5```
@@ -52,6 +55,31 @@ Enable Kubernetes, and wait a while for Kubernetes is running
 
 ![k8s](images/k8s.png)
 
+**TIPS**：
+
+On Mac:
+
+If facing problems when deploy Kubernetes, you can check ocker desktop application's log to get realtime log：
+
+```bash
+pred='process matches ".*(ocker|vpnkit).*"
+  || (process in {"taskgated-helper", "launchservicesd", "kernel"} && eventMessage contains[c] "docker")'
+/usr/bin/log stream --style syslog --level=debug --color=always --predicate "$pred"
+```
+
+On Windows:
+
+If facing problems when deploy Kubernetes, you can check docker log in C:\ProgramData\DockerDesktop\service.txt, check Kuberneteslog in C:\Users\yourUserName\AppData\Local\Docker\log.txt
+
+
+**problem diagnosis**：
+
+If you see Kubernetes stuck in Starting, please refer: 
+
+* [Issue 3769(comment)](https://github.com/docker/for-win/issues/3769#issuecomment-486046718) or [Issue 3649(comment)](https://github.com/docker/for-mac/issues/3649#issuecomment-497441158)
+  * On MacOS, execute ```rm -fr '~/Library/Group\ Containers/group.com.docker/pki'```
+  * On Windows, delete folders 'C:\ProgramData\DockerDesktop\pki' and 'C:\Users\yourUserName\AppData\Local\Docker\pki'
+* [Issue 1962(comment)](https://github.com/docker/for-win/issues/1962#issuecomment-431091114)
 
 ### Config Kubernetes
 
diff --git a/images.properties b/images.properties
index 6c7de8d..52610ca 100644
--- a/images.properties
+++ b/images.properties
@@ -1,8 +1,8 @@
 k8s.gcr.io/pause:3.2=registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.2
-k8s.gcr.io/kube-controller-manager:v1.18.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.18.8
-k8s.gcr.io/kube-scheduler:v1.18.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.18.8
-k8s.gcr.io/kube-proxy:v1.18.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.18.8
-k8s.gcr.io/kube-apiserver:v1.18.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.18.8
-k8s.gcr.io/etcd:3.4.3-0=registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.3-0
-k8s.gcr.io/coredns:1.6.7=registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.6.7
+k8s.gcr.io/kube-controller-manager:v1.19.7=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.19.7
+k8s.gcr.io/kube-scheduler:v1.19.7=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.19.7
+k8s.gcr.io/kube-proxy:v1.19.7=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.19.7
+k8s.gcr.io/kube-apiserver:v1.19.7=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.19.7
+k8s.gcr.io/etcd:3.4.13-0=registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.13-0
+k8s.gcr.io/coredns:1.7.0=registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.7.0
 quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.26.1=registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller:0.26.1