diff --git a/QtScrcpy/ui/dialog.cpp b/QtScrcpy/ui/dialog.cpp
index 7f91824..733ffc1 100644
--- a/QtScrcpy/ui/dialog.cpp
+++ b/QtScrcpy/ui/dialog.cpp
@@ -25,7 +25,7 @@ const QString &getKeyMapPath()
     return s_keyMapPath;
 }
 
-Dialog::Dialog(QWidget *parent) : QDialog(parent), ui(new Ui::Dialog)
+Dialog::Dialog(QWidget *parent) : QWidget(parent), ui(new Ui::Widget)
 {
     ui->setupUi(this);
     initUI();
@@ -123,7 +123,7 @@ Dialog::~Dialog()
 void Dialog::initUI()
 {
     setAttribute(Qt::WA_DeleteOnClose);
-    setWindowFlags(windowFlags() | Qt::WindowMinimizeButtonHint | Qt::WindowCloseButtonHint | Qt::CustomizeWindowHint);
+    //setWindowFlags(windowFlags() | Qt::WindowMinimizeButtonHint | Qt::WindowCloseButtonHint | Qt::CustomizeWindowHint);
 
     setWindowTitle(Config::getInstance().getTitle());
 
diff --git a/QtScrcpy/ui/dialog.h b/QtScrcpy/ui/dialog.h
index 702a38a..5ef5a5f 100644
--- a/QtScrcpy/ui/dialog.h
+++ b/QtScrcpy/ui/dialog.h
@@ -1,7 +1,7 @@
 #ifndef DIALOG_H
 #define DIALOG_H
 
-#include <QDialog>
+#include <QWidget>
 #include <QPointer>
 #include <QMessageBox>
 #include <QMenu>
@@ -14,11 +14,11 @@
 
 namespace Ui
 {
-    class Dialog;
+    class Widget;
 }
 
 class QYUVOpenGLWidget;
-class Dialog : public QDialog
+class Dialog : public QWidget
 {
     Q_OBJECT
 
@@ -73,7 +73,7 @@ protected:
     void closeEvent(QCloseEvent *event);
 
 private:
-    Ui::Dialog *ui;
+    Ui::Widget *ui;
     qsc::AdbProcess m_adb;
     QSystemTrayIcon *m_hideIcon;
     QMenu *m_menu;
diff --git a/QtScrcpy/ui/dialog.ui b/QtScrcpy/ui/dialog.ui
index 97f4f0c..95b182e 100644
--- a/QtScrcpy/ui/dialog.ui
+++ b/QtScrcpy/ui/dialog.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Dialog</class>
- <widget class="QDialog" name="Dialog">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
   <property name="geometry">
    <rect>
     <x>0</x>