add in system "ZERO froor" and "floor -1"

Hi
I use your Open Real Estate FREE V1.33.0, 2022
I need changings in block "number of floor" when i list property.
How can i add in system "ZERO froor" and "floor -1"?
Thanks
I use your Open Real Estate FREE V1.33.0, 2022
I need changings in block "number of floor" when i list property.
How can i add in system "ZERO froor" and "floor -1"?
Thanks