private void OnUserFace(UserInfo user)
        {
            Scene scene = user.SceneContext.CustomData as Scene;

            if (null != scene)
            {
                Msg_RC_UserFace userFaceBuilder = DataSyncUtility.BuildUserFaceMessage(user);
                if (null != userFaceBuilder)
                {
                    scene.NotifyAreaUser(user, userFaceBuilder, false);
                }
            }
        }