diff --git a/README.md b/README.md
index 83daf6512128cc873f4b18e37e6c0efe1560a761..63f37f9f062dc5c3ce5a10edeead6ffac5456c3f 100644
--- a/README.md
+++ b/README.md
@@ -62,19 +62,18 @@ The OpenHarmony LiteOS Cortex-A is a new-generation kernel developed based on th
## Constraints
- Programming languages: C and C++
-- Applicable development boards: Hi3518E V300 and Hi3516D V300
-- Hi3518E V300 uses the JFFS2 file system by default, and Hi3516D V300 uses the FAT file system by default.
+- Applicable development boards: Hi3516D V300
+- Hi3516D V300 uses the FAT file system by default.
## Usage
-OpenHarmony LiteOS Cortex-A supports the [Hi3518E V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3518.md) and [Hi3516D V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3516.md). You can develop and run your applications based on both development boards.
+OpenHarmony LiteOS Cortex-A supports the [Hi3516D V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3516.md). You can develop and run your applications based on this development board.
### Preparations
You need to set up the compilation environment on Linux.
-- [Compilation environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-env-setup-linux.md)
-- For Hi3518E V300, see [Setting Up the Hi3518 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3518-setting.md).
+- [Setting Up Ubuntu Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-env-setup.md)
- For Hi3516D V300, see [Setting Up the Hi3516 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md).
### Source Code Acquisition
@@ -85,8 +84,6 @@ Download and decompress a set of source code on a Linux server to acquire the [
For details about how to develop the first application, see:
-- [Developing the First Example Program Running on Hi3518](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3518-running.md)
-
- [Developing the First Example Program Running on Hi3516](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)
## Repositories Involved
diff --git a/README_zh-HK.md b/README_zh-HK.md
index e7bc12b59e46560c91ec2147b1d4c71cc445b10f..b8adbd5b226090f79f793705b15426b43a9c6985 100644
--- a/README_zh-HK.md
+++ b/README_zh-HK.md
@@ -62,19 +62,18 @@ OpenHarmony LiteOS-A內核是基於Huawei LiteOS內核演進發展的新一代
## 約束
- 開發語言:C/C++;
-- 適用於Hi3518EV300、Hi3516DV300單板;
-- Hi3518EV300默認使用jffs2文件系統,Hi3516DV300默認使用FAT文件系統。
+- 適用於Hi3516DV300單板;
+- Hi3516DV300默認使用FAT文件系統。
## 使用說明
-OpenHarmony LiteOS-A內核支持Hi3518EV300([介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3518.md))、Hi3516DV300([介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md))單板,開發者可基於兩種單板開發運行自己的應用程序。
+OpenHarmony LiteOS-A內核支持Hi3516DV300([介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md))單板,開發者可基於此單板開發運行自己的應用程序。
### 準備
開發者需要在Linux上搭建編譯環境:
-- [編譯環境凖備](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-package-environment.md);
-- Hi3518EV300單板:參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-setting.md);
+- [編譯環境凖備](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup.md);
- Hi3516DV300單板:參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
### 獲取源碼
@@ -85,8 +84,6 @@ OpenHarmony LiteOS-A內核支持Hi3518EV300([介紹](https://gitee.com/openhar
開發者開發第一個應用程序可參考:
-- [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-running.md);
-
- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
## 相關倉
diff --git a/README_zh.md b/README_zh.md
index e7f0248de99b314673c7ebdab4f1482c23ed1f0f..c62c0449dd5039f0a289c8be97ffc54c27e37eab 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -61,19 +61,18 @@ OpenHarmony LiteOS-A内核是基于Huawei LiteOS内核演进发展的新一代
## 约束
- 开发语言:C/C++;
-- 适用于Hi3518EV300、Hi3516DV300单板;
-- Hi3518EV300默认使用jffs2文件系统,Hi3516DV300默认使用FAT文件系统。
+- 适用于Hi3516DV300单板;
+- Hi3516DV300默认使用FAT文件系统。
## 使用说明
-OpenHarmony LiteOS-A内核支持Hi3518EV300([介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3518.md))、Hi3516DV300([介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md))单板,开发者可基于两种单板开发运行自己的应用程序。
+OpenHarmony LiteOS-A内核支持[Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-introduction-hi3516.md)单板。开发者可基于此单板开发运行自己的应用程序。
### 准备
开发者需要在Linux上搭建编译环境:
-- [编译环境准备](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-package-environment.md);
-- Hi3518EV300单板:参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-setting.md);
+- [编译环境准备](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup.md);
- Hi3516DV300单板:参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
### 获取源码
@@ -84,8 +83,6 @@ OpenHarmony LiteOS-A内核支持Hi3518EV300([介绍](https://gitee.com/openhar
开发者开发第一个应用程序可参考:
-- [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-running.md);
-
- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
## 相关仓