1. react-native init proj_name初始项目时报错，
具体信息
import type {CommandT} from './commands';
^^^^^^
SyntaxError: Unexpected token import
at createScript (vm.js:80:10)
at Object.runInThisContext (vm.js:139:10)
at Module._compile (module.js:607:28)
at Module._compile (D:\Reactnative\Project\Learnwizz\node_modules\pirates\lib\index.js:91:24)
at Module._extensions..js (module.js:654:10)
at Object.newLoader [as .js] (D:\Reactnative\Project\Learnwizz\node_modules\pirates\lib\index.js:96:7)
at Module.load (module.js:556:32)
at tryModuleLoad (module.js:499:12)
at Function.Module._load (module.js:491:3)
at Module.require (module.js:587:17)
原因： "react-native": "0.56.0"， 发现package.json里初始出版本是0.56，找到解决办法是用以前的版本：
react-native init --version="0.55.4" projectName
问题解决 (参考地址：
https://stackoverflow.com/questions/51178688/error-creating-new-react-native-project/51180936
)
2. ...
