diff --git a/README.en.md b/README.en.md
index 8ffae76726ac0ea5f515275f7ba9b57e24408e0c..289e832b4a15db2cc44bf4ee549b542d0dd37898 100644
--- a/README.en.md
+++ b/README.en.md
@@ -3,34 +3,27 @@
 #### Description
 nestos-installer is a build environment used to build NestOS systems.
 
-#### Software Architecture
-Software architecture description
+#### Summary
 
-#### Installation
+nestos-assembler is a build environment that contains a series of tools that can be used to build NestOS. nestos-assembler implements that the process of building and testing the operating system is encapsulated in a container.
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+nestos-assembler can be simply understood as a container environment that can build nestos. This environment integrates some scripts, RPM packages and tools required to build NestOS.
 
-#### Instructions
+#### Common commands
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+|  name   |   Description  |
+| --- | --- |
+|   nosa clean  |  Delete all build artifacts   |
+|   nosa fetch  |  Fetch and import the latest packages   |
+|   nosa build  |   Generate qemu artifacts for the given platforms  |
+| nosa buildextend-metal | Generate metal artifacts for the given platforms |
+| nosa buildextend-metal4k | Generate metal4k artifacts for the given platforms |
+| nosa buildextend-live | Generate the Live ISO |
 
-#### Contribution
+#### LICENSE
 
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
+nestos-assembler complies with the Apache 2.0 copyright agreement.
 
+#### Notice
 
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
+nestos-assembler is a fork of coreos-assembler(https://github.com/coreos/coreos-assembler), It will be adapted and maintained in the openEuler ecosystem, and independent evolution will be considered in the later stage.Thanks for the coreos-assembler project from Fedora coreos team.
diff --git a/README.md b/README.md
index 5ada2c74014d460a1b621219cb58a9b964767a7b..6cfa09e5970caa6e450608c695871ecce6c1b571 100644
--- a/README.md
+++ b/README.md
@@ -1,37 +1,27 @@
 # nestos-assembler
 
 #### 介绍
-nestos-assembler is a build environment used to build NestOS systems.
+nestos-assembler是用于构建NestOS系统的构建环境.
 
-#### 软件架构
-软件架构说明
+#### 概述
+nestos-assembler是一个构建环境，该环境包含一系列工具，可用来构建NestOS，nestos-assembler实现了在构建和测试操作系统的过程都是封装在一个容器中。
 
+nestos-assembler可以简单理解为是一个可以构建NestOS的容器环境，该环境集成了构建NestOS所需的一些脚本、rpm包和工具。
 
-#### 安装教程
+#### 常用命令
+|  name   |   Description  |
+| --- | --- |
+|   nosa clean  |  删除历史构建(builds、tmp)   |
+|   nosa fetch  |  下载所需rpm包   |
+|   nosa build  |   通过下载的rpm包构建ostree和qemu镜像  |
+| nosa buildextend-metal | 构建metal镜像 |
+| nosa buildextend-metal4k | 构建metal4k镜像 |
+| nosa buildextend-live | 构建iso镜像 |
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+#### LICENSE
 
-#### 使用说明
+nestos-assembler 遵从 Apache 2.0 版权协议
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+#### 说明
 
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
-5.  Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
+nestos-assembler 基于 coreos-assembler(https://github.com/coreos/coreos-assembler) 分叉，将在openEuler生态内适配维护，后期考虑独立演进。