From c21ee4960ecd202eb1f11d0c9476f7fbfa7dc36b Mon Sep 17 00:00:00 2001
From: wanglin2 <1013335014@qq.com>
Date: Wed, 18 Sep 2024 21:52:11 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=E4=BF=AE=E5=A4=8D=E5=AD=98=E5=9C=A8?=
 =?UTF-8?q?=E6=A6=82=E8=A6=81=E6=97=B6=E5=88=87=E6=8D=A2=E4=B8=BB=E9=A2=98?=
 =?UTF-8?q?=E4=BC=9A=E6=8A=A5=E9=94=99=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 simple-mind-map/src/layouts/Base.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/simple-mind-map/src/layouts/Base.js b/simple-mind-map/src/layouts/Base.js
index 6e2084dc..c5460bfc 100644
--- a/simple-mind-map/src/layouts/Base.js
+++ b/simple-mind-map/src/layouts/Base.js
@@ -244,7 +244,9 @@ class Base {
           isResizeSource ||
           (newData && JSON.stringify(oldData) !== JSON.stringify(newData))
         ) {
-          gNode.nodeData.data = newData
+          if (newData) {
+            gNode.nodeData.data = newData
+          }
           gNode.getSize()
           gNode.needLayout = true
         }