项目在浏览器打开后，切换为手机模式，不能滚动,刷新后可以，请问这个是为什么？

[wangtangsheng]

项目在浏览器打开后，切换为手机模式，不能滚动,刷新后可以，请问这个是为什么？

[boomkasl]

[email protected] dev E:\vue-sell-master node build/dev-server.js

module.js:487 throw err; ^

Error: Cannot find module 'semver' at Function.Module._resolveFilename (module.js:485:15) at Function.Module._load (module.js:437:25) at Module.require (module.js:513:17) at require (internal/module.js:11:18) at Object. (E:\vue-sell-master\build\check-versions.js:1:76) at Module._compile (module.js:569:30) at Object.Module._extensions..js (module.js:580:10) at Module.load (module.js:503:32) at tryModuleLoad (module.js:466:12) at Function.Module._load (module.js:458:3) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! [email protected] dev: node build/dev-server.js npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the [email protected] dev script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\Administrator\AppData\Roaming\npm-cache_logs\2017-08-06T16_54_05_365Z-debug.log 为什么我用 npm run dev 时出现上述的报错 用的是老师的源码没做任何修改