[Question] I wrote a node according to the loop node, and found that it is a bit strange to add an extra sub-rendering area under the attribute. How can I fix it?

## 🙋 SDK Version
Please input version of SDK.

## 📌 Layout
Free layout or Fixed layout?

## 💻 Environment
- Operation System: (e.g. Windows 11 / macOs 14.3)
- Node.js:
- Other:

## 📝 Question Description
照着loop节点写了一个节点，发现多加了个属性下面的子渲染区域就有点奇怪，下面的blockstart就直接贴着上面了，要怎么修复或者加什么样式呢。

> This text is auto-translated:
> ## 🙋 SDK Version
> Please input version of SDK.
>
> ## 📌 Layout
> Free layout or Fixed layout?
>
> ## 💻 Environment
> - Operation System: (e.g. Windows 11 / macOs 14.3)
> -Node.js:
> -Other:
>
> ## 📝Question Description
> I wrote a node based on the loop node, and found that it was a bit strange to add a sub-rendering area under the attribute. The blockstart below is directly attached to the top. How can I fix it or add a style?
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