diff --git a/README-CN.md b/README-CN.md
index 522c87aa1e..3930bdc480 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -48,7 +48,9 @@ Cloudpods提供了如下的功能：
 * 私有云:
   * OpenStack
   * ZStack
-  * AlibabaCloud Aspara (阿里飞天)
+  * Alibaba Cloud Aspara (阿里飞天)
+  * Huawei HCSO (华为HCSO)
+  * Nutanix
 * 本地基础设施资源:
   * KVM
   * VMWare vSphere vCenter/ESXi
@@ -76,14 +78,14 @@ Cloudpods提供了如下的功能：
 ### 1. 准备SSH免密登录
 
 ```bash
-# Generate the local ssh keypair
-# (SKIP this stekp if you already have ~/.ssh/id_rsa.pub locally)
-$ ssh-keygen
-# Copy the generated ~/.ssh/id_rsa.pub public key to the machine to be deployed
+# 生成ssh密钥对
+# (如果已经有~/.ssh/id_rsa和~/.ssh/id_rsa.pub,请跳过此步。请确保ssh密钥私钥未设置密码)
+$ ssh-keygen -t rsa -N ''
+# 将生成的ssh公钥~/.ssh/id_rsa.pub拷贝到待部署的目标主机
 $ ssh-copy-id -i ~/.ssh/id_rsa.pub root@10.168.26.216
-# Try to login to the machine to be deployed without password,
-# should be able to get the hostname of the deployed machine
-# without entering the login password
+# 测试SSH免密登录是否生效。免密登录到待部署主机执行hostname命令
+# 如果设置成功，执行下面命令能够回显待部署主机的主机名
+# 不需要输入待部署主机的密码
 $ ssh root@10.168.26.216 "hostname"
 ```
 
@@ -126,8 +128,6 @@ $ git clone https://github.com/yunionio/ocboot && cd ./ocboot && ./run.py 10.168
 
 您可以通过如下方式联系我们：
 
-* Reddit: [r/Cloudpods](https://www.reddit.com/r/Cloudpods/)
-
 * 哔哩哔哩: [Cloudpods](https://space.bilibili.com/623431553/)
 
 * 微信: 请扫描如下二维码联系我们
diff --git a/README.md b/README.md
index 43984509e6..b8f61fe9b8 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,9 @@ Cloudpods is a cloud-native open source unified multi/hybrid-cloud platform deve
 * Private Clouds:
   * OpenStack
   * ZStack
-  * AlibabaCloud Aspara
+  * Alibaba Cloud Aspara
+  * Huawei HCSO
+  * Nutanix
 * On-premise resources:
   * KVM
   * VMWare vSphere vCenter/ESXi
@@ -78,8 +80,8 @@ You may install Cloudpods in a Linux box (currently CentOS 7 and Debian 10 are f
 
 ```bash
 # Generate a local ssh keypair
-# (SKIP this step if you already have ~/.ssh/id_rsa.pub locally)
-$ ssh-keygen
+# (SKIP this step if you already have ~/.ssh/id_rsa.pub locally. Make sure generating key WIHOUT passphrase)
+$ ssh-keygen -t rsa -N ''
 
 # Copy the generated ~/.ssh/id_rsa.pub public key to the machine to be deployed
 $ ssh-copy-id -i ~/.ssh/id_rsa.pub root@10.168.26.216
@@ -131,8 +133,6 @@ Please check this [issue](https://github.com/yunionio/cloudpods/issues/11427) fo
 
 You may contact us by:
 
-* Reddit: [r/Cloudpods](https://www.reddit.com/r/Cloudpods/)
-
 * Bilibili: [Cloudpods](https://space.bilibili.com/623431553/)
 
 * WeChat: please scan the following QRCode to contact us