I tried to fix it and it works fine on my computer. If there are any issues, I will continue to try to fix it :D
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I had the same issue. I think it's an error caused by unzipping the files in a different system locale, so Chinese -> Other Languages. For example, I have a .js file that comes out as "�½��ı��ĵ�.js", which I assume is what causes the "failed to load .js" error.
I downloaded Simplified Chinese language and changed my Windows system locale, but it didn't work either. Maybe you could put the name of the plugin in Latin alphabet characters and it would work? The same unzipping error also happens with a lot of the other game files, which might also cause the same crash in-game. Changing your system locale to English when you zip the game folder may also make sure all of the filenames unzip properly.