Appearance switch button and custom css work with dev, but fail with preview

[gvenusleo]

Describe the bug

When I use yarn docs:dev to view my site, it works. But when I used yarn docs:build and yarn docs:preview, the site's appearance switch button didn't work when clicked, and the custom css didn't work either.

Expected behavior

Appearance switch button and custom css work.

System Info

System:
    OS: Windows 10 10.0.22621
    CPU: (8) x64 AMD Ryzen 7 4700U with Radeon Graphics
    Memory: 8.17 GB / 15.37 GB
  Binaries:
    Node: 18.15.0 - C:\CodeSDK\nodejs\node.EXE
    Yarn: 1.22.19 - ~\AppData\Roaming\npm\yarn.CMD
    npm: 9.5.0 - C:\CodeSDK\nodejs\npm.CMD
  Browsers:
    Edge: Spartan (44.22621.1265.0), Chromium (110.0.1587.69)
    Internet Explorer: 11.0.22621.1
  npmPackages:
    vitepress: ^1.0.0-alpha.52 => 1.0.0-alpha.52

Additional context

No response

Validations

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• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.

[amir20]

I saw this happen when upgrading to version 52. There is a JavaScript error in production which is breaking all js. Reverting to previous version fixes it.

I'll post the error when I get on my laptop.

[amir20]

Actually #2073 and #2074 are duplicates and have the error.

[yyx990803]

should be the same and fixed in 905f58b