打开 /usr/bin/debtap,更换 debtap内容:
#替换:http://ftp.debian.org/debian/dists https://mirrors.ustc.edu.cn/debian/dists #替换:http://archive.ubuntu.com/ubuntu/dists https://mirrors.ustc.edu.cn/ubuntu/dists/
来自:https://my.oschina.net/u/2266513/blog/3125896/