编译后为什么显示不完全呢？

[like5188]

vvtest.xml如下：

<NImage
        layoutWidth="48rp"
        layoutHeight="48rp"
        layoutMarginLeft="34rp"
        layoutGravity="left|v_center"
        src="${imgUrl}"
        scaleType="center_crop"
/>
<NText
        layoutWidth="wrap_content"
        layoutHeight="wrap_content"
        layoutMarginLeft="94rp"
        text="${title}"
        layoutGravity="left|v_center"
        textSize="28rp"
        textColor="#555555"
/>
<NText
        layoutWidth="wrap_content"
        layoutHeight="wrap_content"
        layoutMarginRight="50rp"
        layoutGravity="right|v_center"
        textSize="28rp"
        text="${subtitle}"
        textColor="${subtitleColor}"/>
<NImage
        layoutWidth="14rp"
        layoutHeight="30rp"
        layoutMarginRight="28rp"
        layoutGravity="right|v_center"
        src="${arrowImgUrl}"
        scaleType="center_crop"
/>

<NLine
        layoutWidth="680rp"
        layoutHeight="1rp"
        orientation="H"
        layoutGravity="h_center|bottom"
        src="${lineImgUrl}"
        color="#999999"
/>

data.json如下：
[
{
"type": "container-scroll",
"style": {
"pageWidth": 300,
"hGap": 50,
"pageHeight": 100
},
"items": [
{
"imgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"arrowImgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"title": "标题1",
"subtitle": "subtitle1",
"type": "vvtest"
},
{
"imgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"arrowImgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"title": "标题2",
"subtitle": "subtitle2",
"type": "vvtest"
},
{
"imgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"arrowImgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"title": "标题3",
"subtitle": "subtitle3",
"type": "vvtest"
},
{
"imgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"arrowImgUrl": "https://gju2.alicdn.com/tps/i1/3316585763/O1CN01s5zdWd1sRV1Z56icV_!!0-item_pic.jpg_460x460Q90.jpg",
"title": "标题4",
"subtitle": "subtitle4",
"type": "vvtest"
}
]
}
]

最终效果就是只显示了 下面的指示器，上面的布局没有显示