private void DownLoadMusic(NetMusic netMusic)
        {
            var music = NetMusicHelper.GetMusicByNetMusic(netMusic);

            if (music == null)
            {
                return;
            }
            Dispatcher.Invoke(new Action(() =>
            {
                if (!ParentWindow.LocalMusic.FolderList.Contains(Path.GetDirectoryName(music.Path) + "\\"))
                {
                    ParentWindow.LocalMusic.FolderList.Add(Path.GetDirectoryName(music.Path) + "\\");
                }
                ParentWindow.LocalMusic.LocalMusicList.Add(music);
                DownLoadedList.Add(music);
                netMusic.IsDownLoading = false;
                netMusic.IsDownLoaded  = true;
                DownLoadingList.Remove(netMusic);
            }));
        }