Can you try this from admin PowerShell?
Uninstall-Language zh-cn
-and-
Dism /online /Add-Package /PackagePath:"F:\LanguagesAndOptionalFeatures\Microsoft-Windows-Client-Language-Pack_x64_zh-cn.cab"
If that doesn't help, reset Windows Update.
https://www.elevenforum.com/t/reset-windows-upd...
Try to install the Chinese language pack via Settings.
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