ios - 将 imageURl 发送到另一个 ViewController 时出错

Question

将 imageURL 发送到 anotherViewController 时出现问题，错误类似于（致命错误：在隐式展开可选值时意外发现 nil）。我正在使用 messageKit 和 SdWEbImage pod。当用户单击图像时，它会转到 photoViewController 并且图像将显示.

ChatDashobard 控制器：

extension ChatDashboard:MessageCellDelegate{
    // MARK:- Working only for image
    func didTapImage(in cell: MessageCollectionViewCell) {
        guard let indexPath = messagesCollectionView.indexPath(for: cell) else {return}
        self.configureImageVeiwController(messagesData: self.messages[indexPath.section])
    }
 
    func configureImageVeiwController(messagesData:Message){
        let messages = messagesData.kind
        
        switch messages {
        case .photo(let media):
            guard let imageURL = media.url else {
                return
            }
           
            let photoCotroller = PhotoViewController()
            photoCotroller.imageUrL = imageURL
            self.navigationController?.pushViewController(photoCotroller, animated: true)
            
        default:
            break
        }
    }
}

照片视图控制器：

@IBOutlet weak var productImage: UIImageView!
    var imageUrL:URL? = nil
    
    override func viewDidLoad() {

        if let getImageFromURL = imageUrL{
            productImage.sd_setImage(with:getImageFromURL,completed:nil)
        }
    }