如果注释显示在AnnotationView上试试代码：

If annotations are displayed over the AnnotationView try to code:

- (void)didMoveToSuperview {
    [super didMoveToSuperview];
    [self.superview bringSubviewToFront:self];
}

以防上述解决方案不起作用试试

Just in case above solution doesn't work try

view.layer.zposition = 1