1、
sudo nano /etc/apt/sources.list
deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
2、
sudo nano /etc/apt/sources.list.d/raspi.list
deb http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ buster main
deb-src http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ buster main
image.png
image.png
3、更新系统
sudo apt-get update
sudo apt-get upgrade
sudo apt-get rpi-config
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