同步主线的代码，保持一致性

‘sxh’

2023-06-15 ccc0a99d6894844d83d751b924cfebe74da7826c

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java

@@ -83,12 +83,12 @@

        device.setKeepaliveTime(DateUtil.getNow());

        if (device.isOnline()) {
        if (device.isOnLine()) {
            deviceService.updateDevice(device);
        }else {
            // 对于已经离线的设备判断他的注册是否已经过期
            if (!deviceService.expire(device)){
                device.setOnline(false);
                device.setOnLine(false);
                deviceService.online(device, null);
            }
        }