error:ValidationError: webpack Dev Server Invalid Options options should NOT have additional proper
是vue.config.js有错把这个注释掉就可以了完整代码如下:module.exports={devServer:{open:true,//disableHostCheck:false,host:"localhost",port:8081,https:false,//hotOnly:false,//静态资源文件夹//assetsSubDirectory:'static',//发布路径//ass