iOS 15导航栏push 导航卡顿阴影残留 Swift

if #available(iOS 13.0, *) {
        let appearance = UINavigationBarAppearance()
        appearance.backgroundImage = UIImage.init()
        appearance.backgroundColor = .white
        appearance.shadowColor = .white

        self.navigationController?.navigationBar.standardAppearance = appearance
        self.navigationController?.navigationBar.scrollEdgeAppearance = appearance
    }

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