node 版本管理
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash
source ~/.bashrc
(
cd "$NVM_DIR"
git fetch origin
git checkout `git describe --abbrev=0 --tags --match "v[0-9]*" origin`
) && . "$NVM_DIR/nvm.sh"
nvm install --lts node
nvm use node
nvm alias default node