qt.qpa.plugin: Could not load the Qt platform plugin "windows" in "C:\miniconda3
\Lib\site-packages\PySide6\plugins\platforms" even though it was found.
This application failed to start because no Qt platform plugin could be initiali
zed. Reinstalling the application may fix this problem.

Available platform plugins are: direct2d, minimal, offscreen, windows.

尝试网上无数方法，一直报错

应该是你的电脑上存在多个Qt相关程序，互相污染了环境变量。

卸载干净Anaconda和其他Python后，用VeighNa Studio试试吧

我是手动安装在Windows servers上，重装好几次了，我再试试