具体错误： QObject::moveToThread: Current thread (0x31e27f0) is not the object’s thread (0x3346700). Cannot move to target thread.

wsl2 pyqt5开发（用pip安装），opencv==4.10.0，好不容易pyqt5可以可视化，实在不想再动了，因此选择给opencv降级至4.3.0.36 / 4.1.2.30 (更推荐)。
以下是各个package的具体版本信息。

参考：

1. https://stackoverflow.com/questions/46449850/how-to-fix-the-error-qobjectmovetothread-in-opencv-in-python
2. https://blog.csdn.net/Torch_HXM/article/details/123807278