原系统是没有安装vim的，只有vi，可以自行安装
1、修改debian系统源 和proxmox ve 源
vim /etc/apt/sources.list
#deb http://ftp.debian.org/debian buster main contrib
#deb http://ftp.debian.org/debian buster-updates main contrib
# security updates
#deb http://security.debian.org buster/updates main contrib
# debian aliyun source
deb https://mirrors.aliyun.com/debian buster main contrib non-free
deb https://mirrors.aliyun.com/debian buster-updates main contrib non-free
deb https://mirrors.aliyun.com/debian-security buster/updates main contrib non-free
# proxmox source
# deb http://download.proxmox.com/debian/pve buster pve-no-subscription
deb https://mirrors.ustc.edu.cn/proxmox/debian/pve buster pve-no-subscription
2、注释掉企业源
vim /etc/apt/sources.list.d/pve-enterprise.list
#deb https://enterprise.proxmox.com/debian/pve buster pve-enterprise
3、修改CEPH源
vim /etc/apt/sources.list.d/ceph.list
#deb http://download.proxmox.com/debian/ceph-nautilus buster main
deb http://mirrors.ustc.edu.cn/proxmox/debian/ceph-nautilus buster main
