From 4984d1b01410e045424dfaa668a0ce59bfaa70d7 Mon Sep 17 00:00:00 2001
From: Simon He <57086651+Simon-He95@users.noreply.github.com>
Date: Sun, 18 Aug 2024 15:27:34 +0800
Subject: [PATCH] fix(components): tree nodesMap leak (#10195)

Co-authored-by: qiang <qw13131wang@gmail.com>
---
 packages/components/tree/src/model/tree-store.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/components/tree/src/model/tree-store.ts b/packages/components/tree/src/model/tree-store.ts
index d5ec368d30..f3215fde4b 100644
--- a/packages/components/tree/src/model/tree-store.ts
+++ b/packages/components/tree/src/model/tree-store.ts
@@ -103,6 +103,7 @@ export default class TreeStore {
   setData(newVal: TreeData): void {
     const instanceChanged = newVal !== this.root.data
     if (instanceChanged) {
+      this.nodesMap = {}
       this.root.setData(newVal)
       this._initDefaultCheckedNodes()
     } else {