feilong-client/Assets/Scripts/Business/Runtime/FGUI/Main/HomePanel/MainHomePanelVM.cs

namespace FL.FGUI
{

    public partial class MainHomePanelVM
    {
        public bool SysMenuActive 
        { 
            get => SysMenuCtrl.selectedIndex > 0; 
            set 
            {
                SysMenuCtrl.selectedIndex = value ? 1 : 0;
            } 
        }
    }
}