sudo nano /etc/apt/sources.list
#將原有內(nèi)容用#注釋掉
deb http://mirrors.aliyun.com/raspbian/raspbian/ buster main contrib non-free rpi
deb-src http://mirrors.aliyun.com/raspbian/raspbian/ buster main contrib non-free rpi
sudo nano /etc/apt/sources.list.d/raspi.list
#將原有內(nèi)容用#注釋掉
deb http://mirrors.aliyun.com/raspbian/raspbian/ buster main
deb-src http://mirrors.aliyun.com/raspbian/raspbian/ buster main
更新
sudo apt-mark hold raspberrypi-bootloader //鎖住內(nèi)核和驅(qū)動
sudo apt-get update
sudo apt-get upgrade -y