补充一个骑乘玄鲸的视频

[thread,21502115 tagid=84065 tid=21502115 title=%E6%94%BB%E7%95%A5%EF%BC%9A%E5%A6%82%E4%BD%95%E9%AA%91%E4%B9%98%E7%8E%84%E9%B2%B8 pos=6636]攻略见上贴