标题：路由器通知 内容：局域网设备离线: 192.168.1.50
/tool netwatch add host=192.168.1.50 interval=00:03:00 timeout=3s down-script="/tool fetch url=\"http://192.168.1.10:8080/你的Key\" http-method=post http-header-field=\"Content-Type: application/x-www-form-urlencoded\" http-data=\"title=%E8%B7%AF%E7%94%B1%E5%99%A8%E9%80%9A%E7%9F%A5&body=%E5%B1%80%E5%9F%9F%E7%BD%91%E8%AE%BE%E5%A4%87%E7%A6%BB%E7%BA%BF%3A%20192.168.1.50&group=RouterOS\" keep-result=no" up-script=":log info \"LAN device 192.168.1.50 online\""