diff --git a/reader/browser/SheetBrowser.cpp b/reader/browser/SheetBrowser.cpp
index 3677d4f3..957c2a6b 100644
--- a/reader/browser/SheetBrowser.cpp
+++ b/reader/browser/SheetBrowser.cpp
@@ -2121,11 +2121,14 @@ void SheetBrowser::hideFindWidget()
     qCDebug(appLog) << "hideFindWidget";
     if (!m_findWidget.isNull()) {
         m_findWidget->hide();
-        m_findWidget->deleteLater();
-        m_findWidget = nullptr;
     }
 }
 
+bool SheetBrowser::isFindWidgetVisible() const
+{
+    return !m_findWidget.isNull() && m_findWidget->isVisible();
+}
+
 void SheetBrowser::handleSearchStart()
 {
     qCDebug(appLog) << "SheetBrowser::handleSearchStart() - Handling search start";
diff --git a/reader/browser/SheetBrowser.h b/reader/browser/SheetBrowser.h
index 43aa4e61..a470ab8a 100644
--- a/reader/browser/SheetBrowser.h
+++ b/reader/browser/SheetBrowser.h
@@ -281,10 +281,16 @@ class SheetBrowser : public Dtk::Widget::DGraphicsView
 
     /**
      * @brief hideFindWidget
-     * 隐藏并销毁搜索框,切换标签页时调用,防止搜索串档
+     * 隐藏搜索框（不销毁），切换标签页时调用，防止搜索串档
      */
     void hideFindWidget();
 
+    /**
+     * @brief isFindWidgetVisible
+     * 返回搜索框是否可见
+     */
+    bool isFindWidgetVisible() const;
+
     /**
      * @brief jumpToNextSearchResult
      * 跳到下一个搜索条目中
diff --git a/reader/uiframe/CentralDocPage.cpp b/reader/uiframe/CentralDocPage.cpp
index 94dc67f6..2c3e5285 100644
--- a/reader/uiframe/CentralDocPage.cpp
+++ b/reader/uiframe/CentralDocPage.cpp
@@ -320,9 +320,9 @@ void CentralDocPage::onTabChanged(DocSheet *sheet)
         // 离开当前 sheet 前，保存其阅读状态
         QPointer<DocSheet> prevSheet = qobject_cast<DocSheet *>(m_stackedLayout->currentWidget());
         if (prevSheet && prevSheet != sheet && prevSheet->opened()) {
-            // 关闭前一个 sheet 的搜索框,防止切换标签后搜索串档
-            prevSheet->closeFindWidget();
+            // 先保存前一个 sheet 的阅读状态（含搜索框可见性），再关闭搜索框
             prevSheet->saveCurrentViewState();
+            prevSheet->closeFindWidget();
         }
 
         m_stackedLayout->setCurrentWidget(sheet);
diff --git a/reader/uiframe/DocSheet.cpp b/reader/uiframe/DocSheet.cpp
index df567eb3..4f77fef2 100644
--- a/reader/uiframe/DocSheet.cpp
+++ b/reader/uiframe/DocSheet.cpp
@@ -1911,6 +1911,8 @@ void DocSheet::saveCurrentViewState()
     // 保存滚动位置
     if (m_browser) {
         m_operation.scrollPosition = m_browser->getScrollPosition();
+        // 保存搜索框可见性
+        m_operation.findWidgetVisible = m_browser->isFindWidgetVisible();
     }
     // 保存侧边栏宽度和展开状态
     if (m_sidebar && m_sidebar->isVisible()) {
@@ -1948,6 +1950,11 @@ void DocSheet::restoreSavedViewState()
             beginRestoreGuard(false);
         }
     }
+
+    // 恢复搜索框可见性
+    if (m_browser && m_operation.findWidgetVisible) {
+        m_browser->handlePrepareSearch();
+    }
 }
 
 void DocSheet::beginRestoreGuard(bool notifyTip)
diff --git a/reader/uiframe/DocSheet.h b/reader/uiframe/DocSheet.h
index 4be2d37c..18ecdd88 100644
--- a/reader/uiframe/DocSheet.h
+++ b/reader/uiframe/DocSheet.h
@@ -51,6 +51,8 @@ struct SheetOperation {
     bool sidebarWidthChanged    = false;
     // 滚动位置（纵向偏移比例 0.0~1.0）
     float scrollPosition        = 0.0f;
+    // 搜索框可见性
+    bool findWidgetVisible      = false;
     // 目录树展开节点标题路径列表（如 ["1.概述", "1.概述/1.1 背景"]）
     QStringList expandedSections;
 };