From f93a7abe0f155ea31f4d3142afd2e31c8b169eef Mon Sep 17 00:00:00 2001
From: "LINING-PC\\lining" <lining820125@163.com>
Date: Sat, 7 Feb 2026 19:39:19 +0800
Subject: [PATCH] v1.9.0 - Theme change issue

---
 src/components/GanttToolbar.vue | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/components/GanttToolbar.vue b/src/components/GanttToolbar.vue
index 9dd2e5c..2dbb07d 100644
--- a/src/components/GanttToolbar.vue
+++ b/src/components/GanttToolbar.vue
@@ -328,9 +328,12 @@ const closeConfirmDialog = () => {
 }
 
 const handleThemeToggle = () => {
-  const newTheme = !isDarkMode.value
+  // v1.9.10 修复：基于 props.theme 而不是内部状态来切换主题
+  // 确保与 GanttChart 的 currentThemeMode 保持同步
+  const currentTheme = props.theme || (isDarkMode.value ? 'dark' : 'light')
+  const newTheme = currentTheme === 'dark' ? false : true
 
-  // 立即应用主题变化
+  // 立即应用主题变化到本地状态（会被 props watch 覆盖，确保同步）
   isDarkMode.value = newTheme
   // 不再直接设置document.documentElement，由GanttChart统一管理