在webview pyside2中鼠标滚轮检测不起作用

from PySide2.QtCore import QUrl, Slot
from PySide2.QtWidgets import QApplication, QMainWindow, QWebEngineView
from PySide2.QtWebEngineWidgets import QWebEnginePage

class CustomWebEnginePage(QWebEnginePage):
    def __init__(self, parent=None):
        super().__init__(parent)

    def wheelEvent(self, event):
        # 在这里处理滚轮事件
        print(f"Mouse wheel delta: {event.angleDelta().y()}")
        super().wheelEvent(event)

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.web_view = QWebEngineView(self)
        self.web_page = CustomWebEnginePage(self.web_view)
        self.web_view.setPage(self.web_page)
        self.web_view.load(QUrl("https://www.example.com"))
        self.setCentralWidget(self.web_view)

if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    window.show()
    app.exec_()