啟動時候報錯，百度了一下，說是端口問題，改了webpack.config.js中的port端口，改了幾個試了試，還是不行。

日志如下：

0?info?it?worked?if?it?ends?with?ok
1?verbose?cli?[?'C:\\Program?Files\\nodejs\\node.exe',
1?verbose?cli???'C:\\Program?Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1?verbose?cli???'start'?]
2?info?using?npm@6.4.1
3?info?using?node@v10.15.3
4?verbose?run-script?[?'prestart',?'start',?'poststart'?]
5?info?lifecycle?es6-webpack@1.0.0~prestart:?es6-webpack@1.0.0
6?info?lifecycle?es6-webpack@1.0.0~start:?es6-webpack@1.0.0
7?verbose?lifecycle?es6-webpack@1.0.0~start:?unsafe-perm?in?lifecycle?true
8?verbose?lifecycle?es6-webpack@1.0.0~start:?PATH:?C:\Program?Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\Users\Administrator\es6-webpack\node_modules\.bin;C:\Users\Administrator\es6-webpack\node_modules\.bin;C:\Program?Files?(x86)\NetSarang\Xshell?6\;C:\Program?Files\Java\jdk1.8.0\bin;C:\Program?Files\Java\jdk1.8.0\jre\bin;C:\Program?Files?(x86)\Common?Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program?Files?(x86)\NVIDIA?Corporation\PhysX\Common;C:\Program?Files\nodejs\;C:\Program?Files\Git\cmd;C:\apache-maven-3.6.0\bin;?C:\apache-tomcat-9.0.17\lib;C:\apache-tomcat-9.0.17\bin;C:\Program?Files\MySQL\MySQL?Utilities?1.6\;C:\Program?Files\MySQL\MySQL?Shell?8.0\bin\
9?verbose?lifecycle?es6-webpack@1.0.0~start:?CWD:?C:\Users\Administrator\es6-webpack
10?silly?lifecycle?es6-webpack@1.0.0~start:?Args:?[?'/d?/s?/c',?'webpack-dev-server?--open'?]
11?silly?lifecycle?es6-webpack@1.0.0~start:?Returned:?code:?1??signal:?null
12?info?lifecycle?es6-webpack@1.0.0~start:?Failed?to?exec?start?script
13?verbose?stack?Error:?es6-webpack@1.0.0?start:?`webpack-dev-server?--open`
13?verbose?stack?Exit?status?1
13?verbose?stack?????at?EventEmitter.<anonymous>?(C:\Program?Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\index.js:301:16)
13?verbose?stack?????at?EventEmitter.emit?(events.js:189:13)
13?verbose?stack?????at?ChildProcess.<anonymous>?(C:\Program?Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13?verbose?stack?????at?ChildProcess.emit?(events.js:189:13)
13?verbose?stack?????at?maybeClose?(internal/child_process.js:970:16)
13?verbose?stack?????at?Process.ChildProcess._handle.onexit?(internal/child_process.js:259:5)
14?verbose?pkgid?es6-webpack@1.0.0
15?verbose?cwd?C:\Users\Administrator\es6-webpack
16?verbose?Windows_NT?6.1.7601
17?verbose?argv?"C:\\Program?Files\\nodejs\\node.exe"?"C:\\Program?Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js"?"start"
18?verbose?node?v10.15.3
19?verbose?npm??v6.4.1
20?error?code?ELIFECYCLE
21?error?errno?1
22?error?es6-webpack@1.0.0?start:?`webpack-dev-server?--open`
22?error?Exit?status?1
23?error?Failed?at?the?es6-webpack@1.0.0?start?script.
23?error?This?is?probably?not?a?problem?with?npm.?There?is?likely?additional?logging?output?above.
24?verbose?exit?[?1,?true?]