can not sprite png file which decode from *dl.sc file

[AceBee007]

I used an old dumpersc.py from https://github.com/Galaxy1036/Old-Sc-Dumper to get png file from *dl.sc files.(For example: chr_magic_archer_dl.sc -> chr_magic_archer_dl.png)
And I decoded it with quickbms and I got some file without extension name. (chr_magic_archer_dl)
And when I execute the command python3 ./sc_decode.py -s chr_somechr, I just got a folder with white png files.

I want to know how to fix it.

[smlbiobot]

Sorry I don’t know how to fix that.

[smlbiobot]

Have you tried asking galaxy?

[AceBee007]

I'm sorry for asking it at the wrong place.