umi4 如何查看 server 里的 files

[stefango]

有类似下面的功能不？有些 css 文件 404，想看看全量的文件是啥

https://webpack.js.org/configuration/dev-server/
If you're having trouble, navigating to the /webpack-dev-server route will show where files are served. For example, http://localhost:9000/webpack-dev-server.

[fz6m]

devServer 选项怎么配置