feat: add description in README.md about how to install node environment

README.md

@@ -97,8 +97,20 @@ git clone https://github.com/internlm/OpenAOE
 cd OpenAOE/openaoe/frontend
 npm install
 npm run build
+
+# If you don't have NodeJS or npm, install it by:
+# installs NVM (Node Version Manager)
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+# download and install Node.js
+nvm install 20
+# verifies the right Node.js version is in the environment
+node -v # should print `v20.12.1`
+# verifies the right NPM version is in the environment
+npm -v # should print `10.5.0`
 ```
 
+> [!TIP]
+> Other latest Node.js versions can be found [here](https://nodejs.org/en/download/package-manager).
 
 ### **Start**
 ```shell

docs/README_zh-CN.md

@@ -93,8 +93,20 @@ git clone https://github.com/internlm/OpenAOE
 cd OpenAOE/openaoe/frontend
 npm install
 npm run build
+
+# 如果你没有安装 Node.js，你可以通过以下方式安装：:
+# install NVM (Node 版本管理器)
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+# 下载并安装 Node.js，可以指定版本
+nvm install 20
+# 验证 Node.js 版本
+node -v # 应该打印 `v20.12.1`
+# 验证 NPM 版本
+npm -v # 应该打印 `10.5.0`
 ```
 
+> [!TIP]
+> 其他Node.js版本可以查询 [Node.js官网](https://nodejs.org/en/download/package-manager)。
 
 ### **运行**
 ```shell