npm config set registry https://registry.npm.taobao.org --global
npm config set disturl https://npm.taobao.org/dist --global

npm install -g yarn react-native-cli

yarn config set registry https://registry.npm.taobao.org --global
yarn config set disturl https://npm.taobao.org/dist --global

npm install -g create-react-native-app

create-react-native-app MyApp

npm start