Ios pod WEPOVER popover菜单未显示为currentTopViewcontroller。而是转到currentTopviewController视图层次结构的后面

在iOS 13中，尽管在keyWindow的视图层次结构中显示了弹出视图菜单，但该菜单并未显示在on visible UIWindow上

这是我展示popover菜单的方式：

WEPopoverController *popover = [[WEPopoverController alloc] initWithContentViewController:menuVc];
    self.popoverController = popover;
    if ([popover respondsToSelector:@selector(setContainerViewProperties:)]) {
        [popover setContainerViewProperties:[CPGlobals popoverStyling]];
    }
    popover.delegate = self;
    //self.popoverController.passthroughViews =
    //[NSArray arrayWithObject:self.navigationController.navigationBar];

    menuVc.containerPopover = popover;

    [self.popoverController presentPopoverFromBarButtonItem:self.navigationItem.rightBarButtonItems[0]
                                   permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];

预期：

实际：

---

在WEPopoverController.m中，将方法keyView（）更改为：

致：

if (w.subviews.count > 0) {
    return [w.subviews objectAtIndex:0];
} else {
    return w;
}

if (w.subviews.count > 0) {
    return [w.subviews objectAtIndex:[w.subviews count]-1];
} else {
    return w;
}