Thank you for offering what you can.
armlcd@163.com is a developer/distributer, "WL134.2K is a new design by me".
It is not reasonable to complain about my diagram given yours that I replied to. Anyway, I've facilitated wl-134.fzpz to make it better in future.
Battery voltages were clear from the supporting text.
It seems silly to ignore the highlighted warning in the docs about electrical interference with the RFID transponder.
Using Low Frequency DC-DC or switched mode power supply will affect the reading distance.
I'm also aware that alternate DC power specs and configuration could be suggested.