diff --git a/README-CN.md b/README-CN.md
index 8fbfed6dac..e3397ecc5e 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -25,7 +25,9 @@ Cloudpods提供了如下的功能：
## 快速开始
-我们可以通过以下简单三步将Cloudpods安装在一台至少8GiB内存和100GB硬盘的Linux主机上（假设该主机的IP为 *10.168.26.216*）：
+我们可以通过以下简单三步将Cloudpods安装在一台至少8GiB内存和100GB硬盘的Linux主机上（目前CentOS 7和Debian 10经过充分测试）
+
+(下面假设该主机的IP为 *10.168.26.216*)
### 1. 准备SSH免密登录
@@ -80,6 +82,8 @@ $ 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/)
+
* 微信: 请扫描如下二维码联系我们
diff --git a/README.md b/README.md
index d99607eff3..27c1db334c 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,9 @@ Cloudpods is an cloud-native open source unified multicloud/hybrid-cloud cloud p
## Quick start
-You may install Cloudpods in a Linux box with at least 8GiB RAM and 100GB storage by following three simple steps (assuming that you install Cloudpods on a Linux box with IP *10.168.26.216*):
+You may install Cloudpods in a Linux box (currently CentOS 7 and Debian 10 are fully tested) with at least 8GiB RAM and 100GB storage by following three simple steps.
+
+(Assuming that you install Cloudpods on a Linux box with IP *10.168.26.216*):
### 1. Prepare passwordless SSH login
@@ -82,6 +84,8 @@ For more detailed instructions, please refers to [quick start](https://docs.yuni
You may contact us by:
+* Reddit: [r/Cloudpods](https://www.reddit.com/r/Cloudpods/)
+
* WeChat: please scan the following QRCode to contact us
@@ -96,7 +100,7 @@ See [Cloudpods Roadmap](https://docs.yunion.io/en/docs/roadmap/) for details.
## Contribution
-We are grateful to any kind of contribution you make to the project. Please refer to [CONTRIBUTING](./CONTRIBUTING.md) for guidelines.
+You are welcome to do any kind of contribution to the project. Please refer to [CONTRIBUTING](./CONTRIBUTING.md) for guidelines.
## License