git clone https://gitee.com/mirrors/nvm.git ~/.nvm

echo 'export NVM_DIR="$HOME/.nvm"' >> ~/.bashrc
echo '[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"' >> ~/.bashrc
echo '[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"' >> ~/.bashrc

source ~/.bashrc
source ~/.nvm/nvm.sh

nvm --version

设置 Node.js 镜像源

echo 'export NVM_NODEJS_ORG_MIRROR=https://npmmirror.com/mirrors/node/' >> ~/.bashrc

重新加载完整配置

source ~/.bashrc

安装最新 LTS 版本

nvm install --lts

设置 npm国内镜像源

# 将 npm 镜像源配置添加到环境变量

echo 'export NPM_REGISTRY="https://registry.npmmirror.com"' >> ~/.bashrc
echo 'export npm_config_registry="$NPM_REGISTRY"' >> ~/.bashrc

source ~/.bashrc

验证配置和测试下载速度

查看当前配置

npm config list

测试包下载速度

npm install express --dry-run

查看镜像源信息

npm config get registry

安装 Claude Code

npm install -g @anthropic-ai/claude-code