1 Ali mirror server configuration
npm config set registry https://registry.npm.taobao.org --global
npm config set disturl https://npm.taobao.org/dist --global
2 Installation cnpm
asl install cnpm -registry g = https: //registry.npm.taobao.org
3 Installation yarn
npm install -g yarn
4 Ali mirroring configuration yarn
yarn config set registry https://registry.npm.taobao.org
5 modify the global installation path
yarn config set global-folder "path to your disk"
Amendment 6 yarn cache path
yarn config set cache-folder "path to your disk"