From 1a3401fd1a4cef4bdedb15d50ce8920ccbcdaedd Mon Sep 17 00:00:00 2001
From: wanglin2 <1013335014@qq.com>
Date: Sun, 15 Oct 2023 16:46:08 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E4=BB=A3=E7=A0=81:=E4=BF=AE?=
 =?UTF-8?q?=E6=94=B9unexpandAllNode,expandToLevel=E6=96=B9=E6=B3=95,?=
 =?UTF-8?q?=E6=B2=A1=E6=9C=89=E5=AD=90=E8=8A=82=E7=82=B9=E7=9A=84=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9=E6=97=A0=E6=B3=95=E6=94=B6=E8=B5=B7?=
MIME-Version: 1.0
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---
 simple-mind-map/src/core/render/Render.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/simple-mind-map/src/core/render/Render.js b/simple-mind-map/src/core/render/Render.js
index 163cac4a..e00f3c45 100644
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@@ -1230,7 +1230,7 @@ class Render {
       this.renderTree,
       null,
       (node, parent, isRoot) => {
-        if (!isRoot) {
+        if (!isRoot && (node.children && node.children.length > 0)) {
           node.data.expand = false
         }
       },
@@ -1250,7 +1250,12 @@ class Render {
       this.renderTree,
       null,
       (node, parent, isRoot, layerIndex) => {
-        node.data.expand = layerIndex < level
+        const expand = layerIndex < level
+        if (expand) {
+          node.data.expand = true
+        } else if (!isRoot && (node.children && node.children.length > 0)) {
+          node.data.expand = false
+        }
       },
       null,
       true,