ios13在跟视图present一个视图然后下拉页面消失重新再present无效

[huawenhe]

出现错误Warning: Attempt to present <MHNavigationController: 0x7f84da031000> on <MHNavigationController: 0x7f84d9892000> whose view is not in the window hierarchy!怎么解决

[CoderMikeHe]

可先百度一下 https://www.jianshu.com/p/aa90c562e372 ，我有时间在看看哈

[denglei022]

这个问题我知道，我也碰到了，已经修改了