报错为：
npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! node-sass@4.5.3 postinstall: `node scripts/build.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the node-sass@4.5.3 postinstall 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\wyq\AppData\Roaming\npm-cache\_logs\2020-09-07T00_59_48_760Z-debug.log解决办法为:
npm uninstall node-sass npm install --save node-sass --sass -binary-site=http://npm.taobao.org/mirrors/node-sass