Js source map issue

I’m not sure what happened, but looks like source map worked abnormally after I delete some old source map files…

I can confirm that every new release with new issues can work correctly, but some old issues in new release doesn’t worked, maybe due to I removed the old source map files? the old issues occurred in old release at first time. then it also occurred in new release, but new release’s source map looks like doesn’t work for these old issues, new release’s source map can worked for new issues…

it’s so strang… can any guys help me?