核心提示：npm ERR! missing script: start npm ERR! A complete log of this runcan be found in: npm ERR!C:\Users\...
npm ERR! missing script: start npm ERR! A complete log of this run
can be found in: npm ERR!
C:\Users\Administrator\AppData\Roaming\npm-cache_logs\2017-11-20T09_43_06_459Z-debug.log
哎，粗心！！！
npm run start 或者 npm run-script start需要在package.json的 scripts 中定义start为字段的命令
"scripts": {
"start": "webpack-dev-server --hot"
},
