From 8c07209ceac74f5b0b31510aeab8d6f82c690a2d 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: Tue, 5 Mar 2024 10:00:42 +0800
Subject: [PATCH] =?UTF-8?q?Fix=EF=BC=9A=E4=BF=AE=E5=A4=8D=E8=8A=82?=
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---
 simple-mind-map/index.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/simple-mind-map/index.js b/simple-mind-map/index.js
index a375d360..83273880 100644
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -99,7 +99,7 @@ class MindMap {
   //  配置参数处理
   handleOpt(opt) {
     // 深拷贝一份节点数据
-    opt.data = simpleDeepClone(opt.data || {})
+    opt.data = this.handleData(opt.data)
     // 检查布局配置
     if (!layoutValueList.includes(opt.layout)) {
       opt.layout = CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
@@ -109,6 +109,16 @@ class MindMap {
     return opt
   }
 
+  // 预处理节点数据
+  handleData(data) {
+    data = simpleDeepClone(data || {})
+    // 根节点不能收起
+    if (!data.data.expand) {
+      data.data.expand = true
+    }
+    return data
+  }
+
   // 创建容器元素
   initContainer() {
     const { associativeLineIsAlwaysAboveNode } = this.opt
@@ -308,7 +318,7 @@ class MindMap {
 
   //  动态设置思维导图数据，纯节点数据
   setData(data) {
-    data = simpleDeepClone(data || {})
+    data = this.handleData(data)
     this.execCommand('CLEAR_ACTIVE_NODE')
     this.command.clearHistory()
     this.command.addHistory()