From 63b6e9c75badb22dd4a6c7344c0ac95311d6eb3b Mon Sep 17 00:00:00 2001
From: iapyang <yklorse@gmail.com>
Date: Fri, 17 Feb 2023 10:00:56 +0800
Subject: [PATCH] =?UTF-8?q?FDL-3530=F0=9F=90=9E=20fix:custom=5Ftree?=
 =?UTF-8?q?=E7=9A=84expander=E6=94=AF=E6=8C=81virtual=5Fgroup?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/base/tree/customtree.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/base/tree/customtree.js b/src/base/tree/customtree.js
index c20af875a..3c32a80c0 100644
--- a/src/base/tree/customtree.js
+++ b/src/base/tree/customtree.js
@@ -51,6 +51,7 @@ BI.CustomTree = BI.inherit(BI.Widget, {
                 }, BI.deepClone(o.expander), {
                     id: node.id,
                     pId: node.pId,
+                    key: node.key,
                 });
                 var el = BI.stripEL(node);
                 if (!BI.isWidget(el)) {