private static void OnByeNotifyCallback(int code)
        {
#if UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
            if ((IAliRtcEngine.OnByeNotify != null) && AliRtcEngineCallBackQueue.Current != null)
            {
                AliRtcEngineCallBackQueue.Current.EnQueue(() =>
                {
                    IAliRtcEngine.OnByeNotify(code);
                });
            }
#else
            if ((instance.OnByeNotify != null) && AliRtcEngineCallBackQueue.Current != null)
            {
                AliRtcEngineCallBackQueue.Current.EnQueue(() =>
                {
                    instance.OnByeNotify(code);
                });
            }
#endif
        }