From 242c94f57c70635c5265178db157078673e56270 Mon Sep 17 00:00:00 2001
From: morning-star <26325820+Sight-wcg@users.noreply.github.com>
Date: Wed, 5 Mar 2025 22:13:35 +0800
Subject: [PATCH] =?UTF-8?q?fix(treeTable):=20=E4=BF=AE=E5=A4=8D=20treeToFl?=
 =?UTF-8?q?at=20=E6=94=B9=E5=8F=98=E6=A0=B9=E8=8A=82=E7=82=B9=20pid=20?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98=20(#2526)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/modules/treeTable.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/modules/treeTable.js b/src/modules/treeTable.js
index a404ab83..21ff2401 100644
--- a/src/modules/treeTable.js
+++ b/src/modules/treeTable.js
@@ -387,7 +387,8 @@ layui.define(['table'], function (exports) {
     layui.each(tableData, function (i1, item1) {
       var dataIndex = (parentIndex ? parentIndex + '-' : '') + i1;
       var dataNew = $.extend({}, item1);
-      dataNew[pIdKey] = item1[pIdKey] || parentId;
+      
+      dataNew[pIdKey] = typeof item1[pIdKey] !== 'undefined' ? item1[pIdKey] : parentId;
       flat.push(dataNew);
       flat = flat.concat(that.treeToFlat(item1[childrenKey], item1[customName.id], dataIndex));
     });