When only 1 data don't show 3 cell about fspagerview HOT 4 CLOSED

let pagerView = FSPagerView(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: itemHeight))
        pagerView.isInfinite = true
        pagerView.automaticSlidingInterval = 5
        pagerView.delegate = self
        pagerView.dataSource = self
        pagerView.interitemSpacing = 8
        pagerView.itemSize = CGSize(width: itemWidth, height: itemHeight)
        pagerView.register(HQPagerViewCell.self, forCellWithReuseIdentifier: "cell")
        self.view.addSubview(pagerView)

public func numberOfItems(in pagerView: FSPagerView) -> Int {
        guard let array = self.bannerArray else {
            return 0
        }
        return array.count
    }
    
    public func pagerView(_ pagerView: FSPagerView, cellForItemAt index: Int) -> FSPagerViewCell {
        let cell = pagerView.dequeueReusableCell(withReuseIdentifier: "cell", at: index) as! HQPagerViewCell
        cell.config(item: self.bannerArray?[index])
        return cell
    }