public void OnNotify(Notification _noti)
    {
        if (_noti.name == NotificationKeys.GameOver)
        {
            if (flag_over)
            {
                return;
            }

            flag_over = true;

            //TO DO
            Debug.Log("GameOver " + (string)_noti.data);
            if (GameOverUI != null)
            {
                GameOverUI.gameObject.SetActive(true);
                GameOverUI.SetWinnerText((string)_noti.data);
            }
            m_ThankMessage.GetRandomThankMessage();
        }
    }