From 48b5ff5f1c9859882df66261959b9a6c0b0e22aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E7=89=9B=E4=BB=94?= <635750556@qq.com>
Date: Fri, 17 Nov 2023 16:56:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=88=A4=E6=96=AD?=
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---
 simple-mind-map/src/parse/xmind.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simple-mind-map/src/parse/xmind.js b/simple-mind-map/src/parse/xmind.js
index ec630657..430b286d 100644
--- a/simple-mind-map/src/parse/xmind.js
+++ b/simple-mind-map/src/parse/xmind.js
@@ -262,7 +262,7 @@ const transformOldXmind = content => {
       // 分析概要位置
       // xmind 支持合并概要,现在的组件不支持合并概要，分别拆分开来
       let summariesPosition = {}
-      if (summariesNode !== null && summariesNode.elements && summariesNode.elements.length > 0) {
+      if (typeof summariesNode == 'undefined' && summariesNode.elements && summariesNode.elements.length > 0) {
         summariesNode.elements.forEach(item => {
           // 使用正则表达式提取位置数字,例如 (2,3)
           const match = item.attributes.range.match(/\((\d+),(\d+)\)/)