Error: listen EADDRNOTAVAIL: address not available

1.错误原因报错如下：

> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

 10% building modules 1/1 modules 0 activeevents.js:174
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRNOTAVAIL: address not available 188.233.9.191:8080
    at Server.setupListenHandle [as _listen2] (net.js:1262:19)
    at listenInCluster (net.js:1327:12)
    at doListen (net.js:1460:7)
    at process._tickCallback (internal/process/next_tick.js:63:19)
    at Function.Module.runMain (internal/modules/cjs/loader.js:832:11)
    at startup (internal/bootstrap/node.js:283:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
Emitted 'error' event at:
    at emitErrorNT (net.js:1306:8)
    at process._tickCallback (internal/process/next_tick.js:63:19)
    [... lines matching original stack trace ...]
    at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! product@1.0.0 dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the product@1.0.0 dev 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\Administator\AppData\Roaming\npm-cache\_logs\2020-08-06T02_21_10_992Z-debug.log

解决方案：

检查电脑ip地址，发现ip地址与vue配置文件ip地址不一致，修改下成当前ip.