diff --git a/src/widgets/dprintpreviewdialog.cpp b/src/widgets/dprintpreviewdialog.cpp
index 840bc60c4..813f99c12 100644
--- a/src/widgets/dprintpreviewdialog.cpp
+++ b/src/widgets/dprintpreviewdialog.cpp
@@ -1155,11 +1155,11 @@ void DPrintPreviewDialogPrivate::initconnections()
         }
     });
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    QObject::connect(sidebysideCheckBox, &DCheckBox::checkStateChanged, q, [this](int status) {
+    QObject::connect(sidebysideCheckBox, &DCheckBox::checkStateChanged, q, [this](Qt::CheckState status) {
 #else
     QObject::connect(sidebysideCheckBox, &DCheckBox::stateChanged, q, [this](int status) {
 #endif
-        if (status == 0) {
+        if (status == Qt::Unchecked) {
             if (isActualPrinter(printDeviceCombo->currentText()))
                 settingHelper->setSubControlEnabled(DPrintPreviewSettingInterface::SC_PageOrder_SequentialPrint, true);
             setPageLayoutEnable(false);
@@ -1268,7 +1268,8 @@ void DPrintPreviewDialogPrivate::initconnections()
     QObject::connect(marginLeftSpin, SIGNAL(valueChanged(double)), q, SLOT(_q_marginspinChanged(double)));
     QObject::connect(marginBottomSpin, SIGNAL(valueChanged(double)), q, SLOT(_q_marginspinChanged(double)));
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    QObject::connect(duplexCheckBox, SIGNAL(checkStateChanged(int)), q, SLOT(_q_checkStateChanged(int)));
+    QObject::connect(duplexCheckBox, &DCheckBox::checkStateChanged, q,
+                     [this](Qt::CheckState state) { _q_checkStateChanged(int(state)); });
 #else
     QObject::connect(duplexCheckBox, SIGNAL(stateChanged(int)), q, SLOT(_q_checkStateChanged(int)));
 #endif
diff --git a/src/widgets/dsettingswidgetfactory.cpp b/src/widgets/dsettingswidgetfactory.cpp
index 9f30fec01..4ea13de06 100644
--- a/src/widgets/dsettingswidgetfactory.cpp
+++ b/src/widgets/dsettingswidgetfactory.cpp
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2016 - 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2016 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
@@ -275,8 +275,8 @@ QPair<QWidget *, QWidget *> createCheckboxOptionHandle(QObject *opt)
 #else
     option->connect(rightWidget, &QCheckBox::stateChanged,
 #endif
-    option, [ = ](int status) {
-        option->setValue(status == Qt::Checked);
+    option, [ = ] {
+        option->setValue(rightWidget->isChecked());
     });
     option->connect(option, &DTK_CORE_NAMESPACE::DSettingsOption::valueChanged,
     rightWidget, [ = ](const QVariant & value) {