useDark + vue3 + vite + element-plus在build后切换无效

[BG7ZAG]

Describe the bug

在本地dev运行时正常切换dark和light，但build后切换无效，观察html上的class发现没有新的样式类出现，
不知道是不是我没有配置对，请求大佬指点，谢谢！

Reproduction

https://github.com/BG7ZAG/vueuse-useDark-err-demo

System Info

System:
    OS: Windows 11 10.0.22631
    CPU: (16) x64 11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz
    Memory: 1.18 GB / 15.73 GB
  Binaries:
    Node: 20.11.1 - ~\.nvmd\versions\20.11.1\node.EXE
    npm: 10.2.4 - ~\.nvmd\versions\20.11.1\npm.CMD
    pnpm: 8.15.4 - ~\.nvmd\versions\20.11.1\pnpm.CMD
  Browsers:
    Edge: Chromium (123.0.2420.81)
    Internet Explorer: 11.0.22621.1
  npmPackages:
    @vueuse/core: ^10.9.0 => 10.9.0
    vue: ^3.4.21 => 3.4.21

Used Package Manager

pnpm

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a VueUse issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion.
• The provided reproduction is a minimal reproducible example of the bug.