     var imageURL:NSURL? {
     
         didSet{
+        gifImageView.hidden = ((imageURL!.absoluteString as NSString).pathExtension.lowercaseString != "gif")
         
         iconView.sd_setImageWithURL(imageURL)
 

        
        cell.imageURL = status!.PictursURL![indexPath.item]
        
        return cell
    }
}

    
        contentView.addSubview(iconView)
        iconView.ff_Fill(contentView)
        iconView.addSubview(gifImageView)
        //设置布局
        gifImageView.ff_AlignInner(type: ff_AlignType.BottomRight, referView: iconView, size: nil)
    
    }
    
