解决
重新安装面板相关组件
apt install --reinstall pve-manager proxmox-widget-toolkit
systemctl restart pveproxy pvestatd pvedaemon
systemctl daemon-reload参考资料:
https://forum.proxmox.com/threads/gui-webpage-stuck-on-loading.91900/
apt install --reinstall pve-manager proxmox-widget-toolkit
systemctl restart pveproxy pvestatd pvedaemon
systemctl daemon-reload