diff --git a/README.md b/README.md
index 98e353d..8bfae3a 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
 * 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 v1.21.2, 请使用下面命令切换 [v1.21.2 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.21.2) ```git checkout v1.21.2```
   * 如Kubernetes版本为 v1.21.1, 请使用下面命令切换 [v1.21.1 分支](https://github.com/AliyunContainerService/k8s-for-docker-desktop/tree/v1.21.1) ```git checkout v1.21.1```
   * 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```
diff --git a/images.properties b/images.properties
index 6c3a18d..a8aaa63 100644
--- a/images.properties
+++ b/images.properties
@@ -1,8 +1,8 @@
 k8s.gcr.io/pause:3.4.1=registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.4.1
-k8s.gcr.io/kube-controller-manager:v1.21.1=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.21.1
-k8s.gcr.io/kube-scheduler:v1.21.1=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.21.1
-k8s.gcr.io/kube-proxy:v1.21.1=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.21.1
-k8s.gcr.io/kube-apiserver:v1.21.1=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.21.1
+k8s.gcr.io/kube-controller-manager:v1.21.2=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.21.2
+k8s.gcr.io/kube-scheduler:v1.21.2=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.21.2
+k8s.gcr.io/kube-proxy:v1.21.2=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.21.2
+k8s.gcr.io/kube-apiserver:v1.21.2=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.21.2
 k8s.gcr.io/etcd:3.4.13-0=registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.13-0
 k8s.gcr.io/coredns/coredns:v1.8.0=registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.8.0
 quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.26.1=registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller:0.26.1