From 95e0b1207b8a030eef5455c03fc87802faca569a Mon Sep 17 00:00:00 2001
From: AAA611 <2815582492@qq.com>
Date: Wed, 16 Nov 2022 22:35:48 +0800
Subject: [PATCH] =?UTF-8?q?Tree:=20=E4=BF=AE=E6=94=B9el-tree=E5=8F=B6?=
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---
 packages/tree/src/model/node.js | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/tree/src/model/node.js b/packages/tree/src/model/node.js
index 0281d3ba3..916f631f3 100644
--- a/packages/tree/src/model/node.js
+++ b/packages/tree/src/model/node.js
@@ -1,6 +1,7 @@
 import objectAssign from 'element-ui/src/utils/merge';
 import { markNodeData, NODE_KEY } from './util';
 import { arrayFindIndex } from 'element-ui/src/utils/util';
+import Vue from 'vue'
 
 export const getChildState = node => {
   let all = true;
@@ -417,12 +418,8 @@ export default class Node {
       children = props.children || 'children';
     }
 
-    if (data[children] === undefined) {
-      data[children] = null;
-    }
-
     if (forceInit && !data[children]) {
-      data[children] = [];
+      Vue.set(data,children,[])
     }
 
     return data[children];