docs: clarify Bun setup without duplicate steps

README.md

@@ -75,33 +75,53 @@ powershell -c "irm bun.sh/install.ps1 | iex"
 
 **安装后的操作：**
 
-1. **重启终端** 或重新加载 shell 配置文件：
+1. **让当前终端识别 `bun` 命令**
+
+   安装脚本会把 `~/.bun/bin` 写入对应的 shell 配置文件。macOS 默认 zsh 环境通常会看到：
+
+   ```text
+   Added "~/.bun/bin" to $PATH in "~/.zshrc"
+   ```
+
+   可以按安装脚本提示重启当前 shell：
+
+   ```bash
+   exec /bin/zsh
+   ```
+
+   如果你使用 bash，重新加载 bash 配置：
+
    ```bash
-   # macOS/Linux (zsh)
-   source ~/.zshrc
-
-   # macOS/Linux (bash)
    source ~/.bashrc
-
-   # Windows PowerShell
-   # 关闭并重新打开 PowerShell 即可
    ```
 
-2. **验证安装：**
+   Windows PowerShell 用户关闭并重新打开 PowerShell 即可。
+
+2. **验证 Bun 是否可用**
+
    ```bash
+   bun --help
    bun --version
    ```
 
-3. **更新到最新版本（如果已安装）：**
+3. **如果已经安装过 Bun，更新到最新版本**
+
    ```bash
    bun upgrade
    ```
 
 - ⚙️ 常规的配置 CC 的方式, 各大提供商都有自己的配置方式
 
+### 📍 命令执行位置
+
+- 安装或检查 Bun 的命令可以在任意目录执行：
+  `curl -fsSL https://bun.sh/install | bash`、`bun --help`、`bun --version`、`bun upgrade`
+- 安装本项目依赖、启动开发模式、构建项目时，必须先进入本仓库根目录，也就是包含 `package.json` 的目录。
+
 ### 📥 安装
 
 ```bash
+cd /path/to/claude-code
 bun install
 ```
 

README_EN.md

@@ -61,20 +61,31 @@ powershell -c "irm bun.sh/install.ps1 | iex"
 
 **Post-installation steps:**
 
-1. **Restart your terminal** or reload your shell configuration:
+1. **Make `bun` available in the current terminal**
+
+   The installer adds `~/.bun/bin` to the matching shell configuration file. On macOS with the default zsh shell, you may see:
+
+   ```text
+   Added "~/.bun/bin" to $PATH in "~/.zshrc"
+   ```
+
+   Restart the current shell as the installer suggests:
+
    ```bash
-   # macOS/Linux (zsh)
-   source ~/.zshrc
+   exec /bin/zsh
+   ```
 
-   # macOS/Linux (bash)
-   source ~/.bashrc
+   If you use bash, reload the bash configuration:
 
-   # Windows PowerShell
-   # Close and reopen PowerShell
+   ```bash
+   source ~/.bashrc
    ```
 
-2. **Verify installation:**
+   Windows PowerShell users can close and reopen PowerShell.
+
+2. **Verify that Bun is available:**
    ```bash
+   bun --help
    bun --version
    ```
 
@@ -85,9 +96,16 @@ powershell -c "irm bun.sh/install.ps1 | iex"
 
 - Standard Claude Code configuration — each provider has its own setup method
 
+### Command Execution Location
+
+- Bun installation and checking commands can be run from any directory:
+  `curl -fsSL https://bun.sh/install | bash`, `bun --help`, `bun --version`, `bun upgrade`
+- Project dependency installation, development mode, and builds must be run from this repository root, the directory containing `package.json`.
+
 ### Install
 
 ```bash
+cd /path/to/claude-code
 bun install
 ```