The demo floating button on the official website is invalid

[14752222]

Describe the bug

官网点击 浮动按钮 Float Button 时候，然后再点击案例的button后切其他组件仍然显示 浮动按钮

Steps to reproduce

1，点击组件的浮动按钮选项 2，案例的浮动按钮点击几次 3，再点击侧边栏就无效了

Link to minimal reproduction

https://www.naiveui.com/zh-CN/os-theme/components/float-button

System Info

npx envinfo --system --npmPackages 'naive-ui,vue' --binaries --browsers

Used Package Manager

npm

Validations

• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] Check that this is a concrete bug. For Q&A open a GitHub Discussion.
• [X] The provided reproduction is a minimal reproducible example of the bug.