问题如下:

E46EC859-0508-4640-B66C-7CE715EC26D1.png
解决方法:
搜索注释掉如下相关函数setBackButtonTitlePositionAdjustment
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(NSIntegerMin, NSIntegerMin) forBarMetrics:UIBarMetricsDefault];
解决方法:
搜索注释掉如下相关函数setBackButtonTitlePositionAdjustment
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(NSIntegerMin, NSIntegerMin) forBarMetrics:UIBarMetricsDefault];