mac 安装 nvm

卸载node

brew install nvm 

echo "source $(brew --prefix nvm)/nvm.sh" >> .bash_profile

修改 .bash_profile 文件

vim .bash_profile

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

# 解决关闭终端后nvm、node、npm命令失效
source ~/.bash_profile