Musescore 3 synthesizer bug feedback

I found a problem. I originally wanted to use other instrument sounds, but I found out that there was an infinite loop bug, and it didn’t help to reopen it. How to solve it, please watch this video.
Also, what should I do if I want to use other timbres in the future? Is there a way to solve this bug? What should I do if the timbre is deleted but automatically restored? I can't reinstall Musescore now! (Translated by Google)

Microsoft Translate Version:

I found a problem, I originally wanted to use other instrument sounds, I just found that there is a bug of infinite loop, and it is useless to reopen, how to solve it, please take a look at this video.
And what to do if you want to use other tones in the future, is there a way to solve this bug, what to do if you delete the timbre but automatically restore, the synthesizer does not respond is to want automatic recovery, how to solve it; I haven't restarted this PC at this time. I can't reinstall Musescore!

Orignal Language:

我發現了一個問題，我本來想用別的樂器聲音，我才發現一直出現無限循環的bug，重新打開也沒有用，請問怎麼解決，請看一下這部影片。
還有如果以後要用別的音色怎麼辦，這個bug有辦法解決嗎，刪除音色卻自動復原怎麼辦，合成器沒有回應就是想要自動復原，請問如何解決；我目前還沒有重新啟動此電腦。我總不能重新安裝Musescore吧！

Video: https://drive.google.com/file/d/1wfufH-gON04c6ynL2QgsDQ--jr-EmuNs/view?…