首先，请确认你的PVE版本是8.0

nano /etc/apt/sources.list

注释掉所有原来的官方源 复制进以下内容

deb https://mirrors.ustc.edu.cn/debian/ bookworm main contrib non-free non-free-firmware

deb https://mirrors.ustc.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware

deb https://mirrors.ustc.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware

deb https://mirrors.ustc.edu.cn/debian-security bookworm-security main

ctrl+x 按Y 回车保存

然后

nano /etc/apt/sources.list.d/ceph.list

注释掉原来的 复制进以下内容

deb https://mirrors.ustc.edu.cn/proxmox/debian/ceph-quincy bookworm no-subscription

ctrl+x 按Y 回车保存

然后

nano /etc/apt/sources.list.d/pve-enterprise.list

注释掉原来的 复制进以下内容

deb https://mirrors.ustc.edu.cn/proxmox/debian bookworm pve-no-subscription

ctrl+x 按Y 回车保存

最后解决gpg公钥

wget https://mirrors.ustc.edu.cn/proxmox/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg

然后就可以更新啦！

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