解决 pyqt5 在窗口缩放时，界面混乱问题

# 在 app = QApplication(sys.argv) 上面添加如下代码即可解决

QApplication.setHighDpiScaleFactorRoundingPolicy(Qt.HighDpiScaleFactorRoundingPolicy.PassThrough)
QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)