20251016：
"rock-5b_bookworm_kde_b5.output.img" ---- radxa offical system image
linux-headers-6.1.84-999-rk2410_6.1.84-999_arm64.deb 和 linux-image-6.1.84-999-rk2410_6.1.84-999_arm64.deb  ---- custom installation package

1. install balenaEtcher-Setup-1.18.11.exe and use balenaEtcher to flash  rock-5b_bookworm_kde_b5.output.img
2. after flash insert emmc or TF card into rock5b, power on and log in with account radxa and passwork radxa
3. open terminal kconsole，input rsetup，chose "System" - "System Update" - "yes" to update system
4. reboot after system update
5. install deb 
sudo dpkg -i linux-headers-6.1.84-999-rk2410_6.1.84-999_arm64.deb
sudo dpkg -i linux-image-6.1.84-999-rk2410_6.1.84-999_arm64.deb
6. reboot 
7. install expect （apt-get install expect）
8. copy display.sh to rock5b，then you can use display.sh to display