新打开的一个项目vueConfig.yml这里报错是什么意思啊
```java
/*
* @Author: your name
* @Date: 2022-02-20 11:23:16
* @LastEditTime: 2022-02-20 17:07:00
* @LastEditors: Please set LastEditors
* @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
* @FilePath: \changshengdev\template\vue_cli\home\bootstrap\tpl\src\vue.config.js
*/
module.exports = {
chainWebpack: (config) => {
config.devServer.disableHostCheck(true).port(7762).end();
}
};