---
order: 2
title:
  zh-CN: 异步数据加载
  en-US: Load data asynchronously
---

## zh-CN

点击展开节点，动态加载数据，直到执行 addChildren() 方法取消加载状态。

## en-US

To load data asynchronously when click to expand a treeNode, loading state keeps until excute addChildren().

