How to set registry to NPM and Yarn

If you're in China and encounted a problem that it's too slow or even unable to connect https://registry.yarnpkg.com, you can set yarn registry to https://registry.npmmirror.com which is a npmjs.org mirror in China.

Run command:

# Set registry globally
yarn config set registry https://registry.npmmirror.com
npm config set registry https://registry.npm.taobao.org

# Set register temporarily
npm --registry https://registry.npm.taobao.org install express