查询镜像源

yarn config get registry -g
yarn config get registry

npm get registry -g
npm get registry

更改镜像源

yarn config set registry https://registry.npmjs.org 或者 https://registry.npm.taobao.org --global

npm set registry https://registry.npmjs.org 或者 https://registry.npm.taobao.org -g

安装包

yarn global add packagename

npm install -g packagename

移除包

yarn global remove packagename

npm uninstall -g packagename