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

安裝完 yarn 後同理也要設定映象源：

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

react-native init cass

react-native run-android

出現錯誤：

依次執行：

npm uninstall react-native
npm install --save [email protected]
react-native run-android
npm install --save [email protected] [email protected]
npm uninstall --save babel-preset-react-native
npm install --save [email protected]
 

react-native run-android