Caddy 服务命令
systemctl enable caddy.service # 开机启动
systemctl start caddy.service # 启动
systemctl stop caddy.service # 停止
systemctl restart caddy.service # 重启
systemctl status caddy.service # 查看状态
systemctl daemon-reload # 重载配置
caddy help
caddy stop
访问站点时被阻止，提示：证书已被撤消
移除 $HOME/.local/share/caddy/certificates 目录，重启 Caddy 重新生成证书即可。
rm -rf $HOME/.local/share/caddy/certificates
caddy stop
caddy run --config /etc/caddy/Caddyfile &