1、查看
#npm:
npm config get registry
#yarn:
yarn config get registry
2、设置
#(命令行)设置淘宝源
#npm:
npm config set registry https://registry.npm.taobao.org
#yarn
yarn config set registry https://registry.npm.taobao.org --global
yarn config set disturl https://npm.taobao.org/dist --global