nano /etc/systemd/system/network-ping-gateway.service 添加以下内容 # Save in /etc/systemd/system/network-ping-gateway.service [Unit] Description=Ping default network gateway service After=network-online.target [Service] ExecStart=/bin/bash -c 'read _ _ gateway _ < <(ip route list match 0/0); ping "$gateway"' Type=simple [Install] WantedBy=multi-user.target 执行 systemctl enable network-ping-gateway