From 95fe3189d53290a86ba45cb753a0eba0ebda5b35 Mon Sep 17 00:00:00 2001
From: wanglin2 <1013335014@qq.com>
Date: Fri, 14 Apr 2023 20:32:11 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=E4=BF=AE=E5=A4=8D=E9=9A=90=E8=97=8F?=
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---
 simple-mind-map/src/Node.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simple-mind-map/src/Node.js b/simple-mind-map/src/Node.js
index 9821b329..528f1635 100644
--- a/simple-mind-map/src/Node.js
+++ b/simple-mind-map/src/Node.js
@@ -560,7 +560,7 @@ class Node {
     this.hideGeneralization()
     if (this.parent) {
       let index = this.parent.children.indexOf(this)
-      this.parent._lines[index].hide()
+      this.parent._lines[index] && this.parent._lines[index].hide()
       this._lines.forEach(item => {
         item.hide()
       })