Vue报错

1、浏览器启动后 企业微信截图_f77d75ad-795f-48a8-891a-180191fe3389.png

console中错误提示为
Failed to load resource: the server responded with a status of 404 (Not Found)
报错原因：依赖包缺失
解决方法：重新安装依赖包 npm install