From 96587926a916041eaae0273d3a897455e643165b Mon Sep 17 00:00:00 2001
From: furybean <long.zhang@ele.me>
Date: Sat, 8 Oct 2016 14:49:53 +0800
Subject: [PATCH] Fix Tree: clear children when setData

---
 packages/tree/src/model/node.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/tree/src/model/node.js b/packages/tree/src/model/node.js
index dbf40de89..2fa2f7138 100644
--- a/packages/tree/src/model/node.js
+++ b/packages/tree/src/model/node.js
@@ -75,6 +75,8 @@ export default class Node {
 
   setData(data) {
     this.data = data;
+    this.children = [];
+
     let children;
     if (this.level === -1 && this.data instanceof Array) {
       children = this.data;
@@ -231,6 +233,7 @@ export default class Node {
       const resolve = (children) => {
         this.loaded = true;
         this.loading = false;
+        this.children = [];
 
         this.doCreateChildren(children, defaultProps);