在配置create-react-app的时候，使用了customize-cra插件，将启动代码改成了
"start": "react-app-rewired start"
运行npm start后报错，如下：
internal/modules/cjs/loader.js:584
throw err;
^
Error: Cannot find module 'react-scripts/package.json'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
at Function.resolve (internal/modules/cjs/helpers.js:30:19)
at Object.<anonymous> (D:\study\react-study\react_01\node_modules\react-app-rewired\scripts\utils\paths.js:27:11)
at Module._compile (internal/modules/cjs/loader.js:701:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
at Module.load (internal/modules/cjs/loader.js:600:32)
at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
at Function.Module._load (internal/modules/cjs/loader.js:531:3)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! react_01@0.1.0 start: `react-app-rewired start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the react_01@0.1.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2019-07-31T06_44_37_975Z-debug.log
错误中提示不能找到module 'react-scripts/package.json'，所以安装下就可以了
解决方法：
npm install react-scripts -S
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