From 3349df21832e3b90582ebc03bccd200d1bc48360 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A1=97=E8=A7=92=E5=B0=8F=E6=9E=97?= <1013335014@qq.com>
Date: Thu, 10 Oct 2024 17:30:27 +0800
Subject: [PATCH] =?UTF-8?q?Fix=EF=BC=9A=E4=BF=AE=E5=A4=8D=E5=BC=80?=
 =?UTF-8?q?=E5=90=AF=E6=80=A7=E8=83=BD=E6=A8=A1=E5=BC=8F=E6=97=B6=E6=8B=96?=
 =?UTF-8?q?=E5=8A=A8=E5=AD=90=E8=8A=82=E7=82=B9=E5=9C=A8=E7=94=BB=E5=B8=83?=
 =?UTF-8?q?=E5=A4=96=E7=9A=84=E8=8A=82=E7=82=B9=E6=97=B6=E6=8A=A5=E9=94=99?=
 =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 simple-mind-map/src/core/render/node/MindMapNode.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/simple-mind-map/src/core/render/node/MindMapNode.js b/simple-mind-map/src/core/render/node/MindMapNode.js
index 2865b8af..93f08e41 100644
--- a/simple-mind-map/src/core/render/node/MindMapNode.js
+++ b/simple-mind-map/src/core/render/node/MindMapNode.js
@@ -971,7 +971,7 @@ class MindMapNode {
 
   //  隐藏节点
   hide() {
-    this.group.hide()
+    if (this.group) this.group.hide()
     this.hideGeneralization()
     if (this.parent) {
       let index = this.parent.children.indexOf(this)
@@ -1014,7 +1014,7 @@ class MindMapNode {
   // 包括连接线和下级节点
   setOpacity(val) {
     // 自身及连线
-    this.group.opacity(val)
+    if (this.group) this.group.opacity(val)
     this._lines.forEach(line => {
       line.opacity(val)
     })
@@ -1053,13 +1053,13 @@ class MindMapNode {
   // 被拖拽中
   startDrag() {
     this.isDrag = true
-    this.group.addClass('smm-node-dragging')
+    if (this.group) this.group.addClass('smm-node-dragging')
   }
 
   // 拖拽结束
   endDrag() {
     this.isDrag = false
-    this.group.removeClass('smm-node-dragging')
+    if (this.group) this.group.removeClass('smm-node-dragging')
   }
 
   //  连线
@@ -1302,7 +1302,7 @@ class MindMapNode {
 
   // 获取节点的尺寸和位置信息，宽高是应用了缩放效果后的实际宽高，位置是相对于浏览器窗口左上角的位置
   getRect() {
-    return this.group.rbox()
+    return this.group ? this.group.rbox() : null
   }
 
   // 获取节点的尺寸和位置信息，宽高是应用了缩放效果后的实际宽高，位置信息相对于画布