在学习electron的时候，执行npm run dev时候出现报错：

G:\02Github-5\electron-vue-chat>npm run dev

> vuechat@0.0.0 dev G:\02Github-5\electron-vue-chat
> node .electron-vue/dev-runner.js

G:\02Github-5\electron-vue-chat\node_modules\chalk\index.js:72
ansiStyles.color.closeRe = new RegExp(escapeStringRegexp(ansiStyles.color.close), 'g');
                                                                          ^

TypeError: Cannot read property 'close' of undefined
    at Object.<anonymous> (G:\02Github-5\electron-vue-chat\node_modules\chalk\index.js:72:75)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (G:\02Github-5\electron-vue-chat\.electron-vue\dev-runner.js:3:15)
    at Module._compile (module.js:652:30)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! vuechat@0.0.0 dev: `node .electron-vue/dev-runner.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vuechat@0.0.0 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\pc\AppData\Roaming\npm-cache\_logs\2019-06-28T14_12_11_221Z-debug.log

删除node_modules文件夹，重新安装npm包，执行 npm i 。