JackydeMacBook-Pro:vue Jacky$ npm run build

> vue_demo@1.0.0 build /Users/helloworld/Documents/demo/vue
> webpack --display-modules --display-chunks --config build/webpack.prod.conf.js

/Users/helloworld/Documents/demo/vue/node_modules/schema-utils/dist/validateOptions.js:40
throw new _ValidationError2.default(ajv.errors, name);

false
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! vue_demo@1.0.0 build: `webpack --display-modules --display-chunks --config build/webpack.prod.conf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue_demo@1.0.0 build 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! /Users/helloworld/.npm/_logs/2017-11-15T09_14_11_147Z-debug.log