webpack打包报错

学习webpack报错，npm run build正常工作，但是npm start就报错了，以下是package.json文件以及报错信息

错误日志：

0 info it worked if it ends with ok

1 verbose cli [ 'D:\\Program Files\\nodejs\\node.exe',
1 verbose cli   'D:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'start' ]
2 info using [email protected]
3 info using [email protected]
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle [email protected]~prestart: [email protected]
6 info lifecycle [email protected]~start: [email protected]
7 verbose lifecycle [email protected]~start: unsafe-perm in lifecycle true
8 verbose lifecycle [email protected]~start: PATH: D:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\Users\Administrator\Desktop\webpack\node_modules\.bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\Program Files\Git\cmd;D:\Program Files\nodejs\;C:\Users\Administrator\AppData\Roaming\npm
9 verbose lifecycle [email protected]~start: CWD: C:\Users\Administrator\Desktop\webpack
10 silly lifecycle [email protected]~start: Args: [ '/d /s /c',
10 silly lifecycle   'webpack-dev-server --entry ./src/js/test.js --output-filename ./dist/bundle.js' ]
11 silly lifecycle [email protected]~start: Returned: code: 1  signal: null
12 info lifecycle [email protected]~start: Failed to exec start script
13 verbose stack Error: [email protected] start: `webpack-dev-server --entry ./src/js/test.js --output-filename ./dist/bundle.js`
13 verbose stack Exit status 1
13 verbose stack     at EventEmitter.<anonymous> (D:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\index.js:285:16)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at EventEmitter.emit (events.js:214:7)
13 verbose stack     at ChildProcess.<anonymous> (D:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at ChildProcess.emit (events.js:214:7)
13 verbose stack     at maybeClose (internal/child_process.js:925:16)
13 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
14 verbose pkgid [email protected]
15 verbose cwd C:\Users\Administrator\Desktop\webpack
16 verbose Windows_NT 6.1.7601
17 verbose argv "D:\\Program Files\\nodejs\\node.exe" "D:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "start"
18 verbose node v8.9.4
19 verbose npm  v5.6.0
20 error code ELIFECYCLE
21 error errno 1
22 error [email protected] start: `webpack-dev-server --entry ./src/js/test.js --output-filename ./dist/bundle.js`
22 error Exit status 1
23 error Failed at the [email protected] start script.
23 error This is probably not a problem with npm. There is likely additional logging output above.

24 verbose exit [ 1, true ]

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