换一换回溯以后右上角的添加到稍后再看按钮消失

[Marsopera]

Describe the bug 换一换回溯以后右上角的添加到稍后再看按钮消失

To Reproduce Steps to reproduce the behavior: 点换一换按钮，能够在视频缩略图右上角点击添加到稍后再看按钮。 点回溯按钮，视频缩略图右上角的添加到稍后再看按钮消失。

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS] Win10
• Browser [e.g. chrome, safari] Edge
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[0xlau]

It is absolutely a bug.