void SwitchMonitor::loadSwitchMonitors()
{
    getAllMonitors();

    if (m_ScreenList.length() > 1) {
        resizeParent();

        initMonitorItems();

        initScreenMode();
    } else {
        // if just 1 screen , quit the app immediately
        deleteOsd();
    }
}
bool SwitchMonitor::isPanelVailed()
{
    getAllMonitors();
    return m_ScreenList.length() > 1;
}