Does the tool work on Windows? With Firmware V20?

[tumatanquang]

I use python 3.8 (x64), I try to extract the KDZ file of V20, I use KDZ F800K20I (Android 8) and F800K30e (Android 9) and all get the error:

[!] Warning: Data between headers and payload! (offsets 826 to 83768)

I tried using a different extraction tool on XDA, however, in Android 9, the KDZ files seem to have been changed, the system files in the DZ file are no longer system_XXXX.bin but system.img_XXXX.
I don't know, how does it work now?