子类化从xib创建的自定义视图

I created a custom UICollectionViewCell (let's call it MyCustomCell) using a xib (MyCustomCell.xib) and I want to create a subclass of MyCustomCell (we'll call it MyCustomCell2). The parent of MyCustomCell2 (MyCustomCell) has an IBOutlet called titleLabel. However, titleLabel for MyCustomCell2 always returns nil even after I do I created a custom UICollectionViewCell (let's