npm run dev

[wYuJian]

fs.js:128
throw new ERR_INVALID_CALLBACK();
^

TypeError [ERR_INVALID_CALLBACK]: Callback must be a function
at maybeCallback (fs.js:128:9)
at Object.write (fs.js:535:14)
at F:\H5Project\paoUH5\paou\webpack.dev.config.js:10:8
at FSReqWrap.args [as oncomplete] (fs.js:140:20)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! paoU@1.0.0 dev: webpack-dev-server --content-base ./ --open --inline --hot --compress --history-api-fallback --config webpack.dev.config.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the paoU@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\Administrator\AppData\Roaming\npm-cache_logs\2019-05-08T02_50_41_575Z-debug.log