diff --git a/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.h b/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.h
index 7aa0fec9..911a0816 100644
--- a/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.h
+++ b/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.h
@@ -3,8 +3,8 @@
 
 #include "nmSubWxs_global.h"
 #include "nmPebiResultAnimationExportSettings.h"
+#include "iDlgBase.h"
 
-#include <QDialog>
 #include <QSize>
 #include <QString>
 #include <QVector>
@@ -18,7 +18,7 @@ class QSpinBox;
 
 /** @brief 编辑当前动态结果的动画导出参数和目标视频文件。 */
 class NM_SUB_WXS_EXPORT nmWxPebiResultAnimationExportDlg
-        : public QDialog
+        : public iDlgBase
 {
     Q_OBJECT
 
diff --git a/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.cpp b/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.cpp
index ad9ad104..37df9308 100644
--- a/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationExportDlg.cpp
@@ -54,7 +54,7 @@ nmWxPebiResultAnimationExportDlg::nmWxPebiResultAnimationExportDlg(
         const QVector<double>& vecFrameTimesHours,
         const QSize& oCurrentViewportSize,
         QWidget* pParent)
-    : QDialog(pParent),
+    : iDlgBase(pParent),
       m_vecFrameTimesHours(vecFrameTimesHours),
       m_pFpsSpinBox(nullptr),
       m_pStartFrameCombo(nullptr),