上一篇文章介绍了如何在斐迅N1上安装Armbian，现在介绍如何更改软件源为国内镜像。
编辑/etc/apt/sources.list替换为以下内容：
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free
deb http://ftp.debian.org/debian jessie-backports main
接着编辑/etc/apt/sources.list.d/armbian.list ，替换为以下内容：
deb http://mirrors.tuna.tsinghua.edu.cn/armbian/ buster main buster-utils buster-desktop
保存后，刷新缓存更新系统：
sudo apt update
sudo apt upgrade -y