Update node-children.md

LgnMs · liujuping · commit ee8717bb97b4 · 2023-05-19T17:25:19.000+08:00
diff --git a/docs/docs/api/model/node-children.md b/docs/docs/api/model/node-children.md
@@ -62,11 +62,11 @@ delete(node: IPublicModelNode): boolean;
 
 ```typescript
 /**
- * &#21024;&#38500;&#25351;&#23450;&#33410;&#28857;
- * delete the node
+ * &#25554;&#20837;&#19968;&#20010;&#33410;&#28857;
+ * insert the node
  * @param node
  */
-delete(node: IPublicModelNode): boolean;
+insert(node: IPublicModelNode): boolean;
 ```
 
 &#30456;&#20851;&#31867;&#22411;&#65306;[IPublicModelNode](https://github.com/alibaba/lowcode-engine/blob/main/packages/types/src/shell/model/node.ts)
