播放列表为2首歌时随机播放的bug

[Wedingming]

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设备型号 Device Model

小米6

系统版本 System Version

澎湃1 a14

软件版本 App Version

10.8.0

描述问题 Describe issue

举例：一个文件夹里有ab两首曲子

随机播放的情况下 播放a 一直点“下一曲” 现象：歌曲顺序是（最开始的a）+bbbbbbbb...