Can anyone teach me how to update a mod

[Mingynwa]

My favourite game Blade Xlord(TW version) 眾劍之王 mod by BMT haven't been updated to 1.2.0.
It's only have 1.1.1, can anyone teach me how to update by myself?
Many thanks.

1.2.0 apk

https://apk.qoo-static.com/apk/com.qooapp.qoohelper/com.qooapp.qoohelper-20201210183101.apk