我运行 Angular 开发服务器ng serve：
$ ng serve
10% building 3/3 modules 0 activeℹ ｢wds｣: Project is running at http://localhost:4200/webpack-dev-server/
ℹ ｢wds｣: webpack output is served from /
ℹ ｢wds｣: 404s will fallback to //index.html
chunk {main} main.js, main.js.map (main) 49.4 kB [initial] [rendered]
chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 264 kB [initial] [rendered]
chunk {runtime} runtime.js, runtime.js.map (runtime) 6.15 kB [entry] [rendered]
chunk {styles} styles.js, styles.js.map (styles) 10.1 kB [initial] [rendered]
chunk {vendor} vendor.js, vendor.js.map (vendor) 4.08 MB [initial] [rendered]
Date: 2019-08-27T19:37:48.511Z - Hash: df1053ce80b7b0af763f - Time: 8515ms
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
ℹ ｢wdm｣: Compiled successfully.
它在 EC2 实例上运行并侦听端口 4200。我的负载均衡器正在 / 上进行健康检查，但由于某种原因，开发服务器在该路由上没有响应 200？
有没有办法配置 Angular 开发服务器以在某些路由上响应 200，它可能是/或其他路由？