From 47158e96cbc4614dc01f495a7e433a8da0dc41d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A5=BD=E5=A4=9A=E5=A4=A7=E7=B1=B3?= <lost1q84@gmail.com>
Date: Thu, 3 Jun 2021 15:34:00 +0800
Subject: [PATCH] Table: fix lazy load data (#21041)

---
 packages/table/src/store/tree.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/table/src/store/tree.js b/packages/table/src/store/tree.js
index 7558588f8..1856fa2c4 100644
--- a/packages/table/src/store/tree.js
+++ b/packages/table/src/store/tree.js
@@ -187,13 +187,14 @@ export default {
 
     loadData(row, key, treeNode) {
       const { load } = this.table;
-      const { lazyTreeNodeMap, treeData } = this.states;
-      if (load && !treeData[key].loaded) {
-        treeData[key].loading = true;
+      const { treeData: rawTreeData } = this.states;
+      if (load && !rawTreeData[key].loaded) {
+        rawTreeData[key].loading = true;
         load(row, treeNode, data => {
           if (!Array.isArray(data)) {
             throw new Error('[ElTable] data must be an array');
           }
+          const { lazyTreeNodeMap, treeData } = this.states;
           treeData[key].loading = false;
           treeData[key].loaded = true;
           treeData[key].expanded = true;