diff --git a/app/scanner2/dialog_exportimagefile.cpp b/app/scanner2/dialog_exportimagefile.cpp
index 7c4b0176..66ee46db 100644
--- a/app/scanner2/dialog_exportimagefile.cpp
+++ b/app/scanner2/dialog_exportimagefile.cpp
@@ -1,4 +1,4 @@
-#include "dialog_exportimagefile.h"
+#include "dialog_exportimagefile.h"
 #include "ui_dialog_exportimagefile.h"
 #include "mainwindow.h"
 #include "base/HGInfo.h"
@@ -29,6 +29,7 @@ Dialog_ExportImageFile::Dialog_ExportImageFile(const QString &destPath, const QS
     , m_srcFiles(srcFiles)
 {
     ui->setupUi(this);
+    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
 
     ui->progressBar->setMinimum(0);
     ui->progressBar->setMaximum(srcFiles.size());
diff --git a/app/scanner2/dialog_multirotateimagefile.cpp b/app/scanner2/dialog_multirotateimagefile.cpp
index 7f8ebe32..b0a5e429 100644
--- a/app/scanner2/dialog_multirotateimagefile.cpp
+++ b/app/scanner2/dialog_multirotateimagefile.cpp
@@ -13,6 +13,7 @@ Dialog_MultiRotateImageFile::Dialog_MultiRotateImageFile(const QStringList &file
     m_rotateType(rotateType)
 {
     ui->setupUi(this);
+    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
 
     ui->progressBar->setMinimum(0);
     ui->progressBar->setMaximum(fileList.size());
diff --git a/app/scanner2/dialog_writesettings.cpp b/app/scanner2/dialog_writesettings.cpp
index 59fba5e4..c994a062 100644
--- a/app/scanner2/dialog_writesettings.cpp
+++ b/app/scanner2/dialog_writesettings.cpp
@@ -7,6 +7,7 @@ Dialog_WriteSettings::Dialog_WriteSettings(int suffix_type, QWidget *parent) :
     ui(new Ui::Dialog_WriteSettings)
 {
     ui->setupUi(this);
+    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
     //set visible
     bool jpg_enable = (suffix_type == 0 || suffix_type == 7 || suffix_type == 8);
     bool tif_enable = (suffix_type == 6);