在iOS11 自定义titleview问题（位置 按钮点击）

@property(nonatomic, assign) CGSize intrinsicContentSize;

// 导航栏控件
    NavTitleView *titleView = [[NavTitleView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 44)];
    titleView.intrinsicContentSize = CGSizeMake(SCREEN_WIDTH, 44);
    titleView.backgroundColor = [UIColor clearColor];
    self.navigationItem.titleView = titleView;