My rock5b fan won't stop on Ubuntu after booting.

I got my system from here:
Joshua-Riek/ubuntu-rockchip: Ubuntu 22.04 for Rockchip RK3588 Devices
I got my fan control from here: https://github.com/pymumu/fan-control-rock5b

The fan keeps running after the system is turned on and I can’t control it to stop
Thank you for your help.