automatic skip to root router when reloading browser in examples?

[ytudt]

i use examples typescript,and deploy in an node server。 when visit http://localhost:3000/src-components-button and reloading the browser, automatic skip to http://localhost:3000/ why?

https://user-images.githubusercontent.com/16434007/103967293-a599cc00-519c-11eb-9aba-214c7b0302a7.mp4

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