diff --git a/reader/browser/SheetBrowser.cpp b/reader/browser/SheetBrowser.cpp
index 43b86e359..0623f83f6 100644
--- a/reader/browser/SheetBrowser.cpp
+++ b/reader/browser/SheetBrowser.cpp
@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -1735,6 +1734,15 @@ void SheetBrowser::jumpToPrevSearchResult()
     }
 }
 
+void SheetBrowser::hideFindWidget()
+{
+    if (!m_findWidget.isNull()) {
+        m_findWidget->hide();
+        m_findWidget->deleteLater();
+        m_findWidget = nullptr;
+    }
+}
+
 void SheetBrowser::handleSearchStart()
 {
     m_searchCurIndex = 0;
diff --git a/reader/browser/SheetBrowser.h b/reader/browser/SheetBrowser.h
index 91578206d..13802b727 100644
--- a/reader/browser/SheetBrowser.h
+++ b/reader/browser/SheetBrowser.h
@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -262,6 +261,12 @@ class SheetBrowser : public Dtk::Widget::DGraphicsView
      */
     void handlePrepareSearch();
 
+    /**
+     * @brief hideFindWidget
+     * 隐藏并销毁搜索框,切换标签页时调用,防止搜索串档
+     */
+    void hideFindWidget();
+
     /**
      * @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 bfa140ef5..9c4f16618 100644
--- a/reader/uiframe/CentralDocPage.cpp
+++ b/reader/uiframe/CentralDocPage.cpp
@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -275,6 +274,11 @@ void CentralDocPage::onOpened(DocSheet *sheet, deepin_reader::Document::Error er
 void CentralDocPage::onTabChanged(DocSheet *sheet)
 {
     if (nullptr != sheet) {
+        // 关闭前一个 sheet 的搜索框,防止切换标签后搜索串档
+        QPointer<DocSheet> prevSheet = qobject_cast<DocSheet *>(m_stackedLayout->currentWidget());
+        if (prevSheet && prevSheet != sheet && prevSheet->opened()) {
+            prevSheet->closeFindWidget();
+        }
         m_stackedLayout->setCurrentWidget(sheet);
 
         sheet->defaultFocus();
diff --git a/reader/uiframe/DocSheet.cpp b/reader/uiframe/DocSheet.cpp
index 0687e5ea4..11a86a3f4 100644
--- a/reader/uiframe/DocSheet.cpp
+++ b/reader/uiframe/DocSheet.cpp
@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -1129,6 +1128,13 @@ void DocSheet::jumpToPrevSearchResult()
     m_browser->jumpToPrevSearchResult();
 }
 
+void DocSheet::closeFindWidget()
+{
+    stopSearch();
+    if (m_browser)
+        m_browser->hideFindWidget();
+}
+
 void DocSheet::stopSearch()
 {
     m_searchTask->stopSearch();
diff --git a/reader/uiframe/DocSheet.h b/reader/uiframe/DocSheet.h
index 053cbbb55..6fca5e2e3 100644
--- a/reader/uiframe/DocSheet.h
+++ b/reader/uiframe/DocSheet.h
@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -576,6 +575,12 @@ class DocSheet : public Dtk::Widget::DSplitter
      */
     void jumpToPrevSearchResult();
 
+    /**
+     * @brief closeFindWidget
+     * 关闭搜索框并停止搜索,切换标签页时调用
+     */
+    void closeFindWidget();
+
     /**
      * @brief showEncryPage
      * 显示解锁页面