code: func NewMusic(title, description, musicURL, hQMusicURL, thumbMediaID string) *Music {
  	music := new(Music)
  	music.Music.Title = title
  	music.Music.Description = description
  	music.Music.MusicURL = musicURL
  	music.Music.ThumbMediaID = thumbMediaID
  	return music
  }
docs: //NewMusic  回复音乐消息