问题 ：
vim: command not found
解决：
apt-get update apt-get install vim
换国内源：
echo "deb https://mirrors.huaweicloud.com/debian/ buster main contrib non-free deb https://mirrors.huaweicloud.com/debian/ buster-updates main contrib non-free deb https://mirrors.huaweicloud.com/debian/ buster-backports main contrib non-free deb https://mirrors.huaweicloud.com/debian-security/ buster/updates main contrib non-free deb-src https://mirrors.huaweicloud.com/debian/ buster main contrib non-free deb-src https://mirrors.huaweicloud.com/debian/ buster-updates main contrib non-free deb-src https://mirrors.huaweicloud.com/debian/ buster-backports main contrib non-free " > /etc/apt/sources.list
可能错误：
Reading package lists... Done E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) E: Unable to lock directory /var/lib/apt/lists/
解决错误：
rm /var/lib/apt/lists/lock