diff --git a/UpdatePTUDevCtrl/mainwindow.cpp b/UpdatePTUDevCtrl/mainwindow.cpp
index 6a7aa64..1d69513 100644
--- a/UpdatePTUDevCtrl/mainwindow.cpp
+++ b/UpdatePTUDevCtrl/mainwindow.cpp
@@ -12,6 +12,9 @@
 #include <QScrollBar>
 #include <QEvent>
 
+#include <QScreen>
+
+
 
 MainWindow::MainWindow(Worker *worker, QWidget *parent)
     : QMainWindow(parent)
@@ -30,6 +33,7 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     this->statusBar()->setFont(f);
 
     ui->setupUi(this);
+    checkOrientation();
 
     ui->updateProgress->setRange(0, 100);
     ui->updateProgress->reset();
@@ -98,6 +102,56 @@ MainWindow::~MainWindow() {
     delete ui;
 }
 
+
+// ----------------------------- Ui::LAYOUT setting -------------------------------------
+
+void MainWindow::checkOrientation()
+{
+    QScreen *screen = QGuiApplication::primaryScreen();
+    Qt::ScreenOrientation orientation = screen->orientation();
+
+    switch (orientation) {
+    case Qt::PrimaryOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::LandscapeOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::PortraitOrientation:
+        this->setPortraitLayout();
+        break;
+    case Qt::InvertedLandscapeOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::InvertedPortraitOrientation:
+        this->setPortraitLayout();
+        break;
+    }
+
+    this->currentOrientation = orientation;
+}
+
+
+
+void MainWindow::setPortraitLayout()
+{
+    // Adjust layout for portrait mode (480x800)
+    this->setFixedSize(480, 800);
+    ui->centralwidget->setFixedSize(480, 800);
+}
+
+void MainWindow::setLandscapeLayout()
+{
+    // Adjust layout for landscape mode (800x480)
+    this->setFixedSize(800, 480);
+    ui->centralwidget->setFixedSize(800, 480);
+}
+
+
+
+
+
+
 void MainWindow::customEvent(QEvent *event) {
     if (event->type() == ProgressEvent::type()) {
         ProgressEvent *pevent = (ProgressEvent *)event;
diff --git a/UpdatePTUDevCtrl/mainwindow.h b/UpdatePTUDevCtrl/mainwindow.h
index 4cf7b5f..4a80d18 100644
--- a/UpdatePTUDevCtrl/mainwindow.h
+++ b/UpdatePTUDevCtrl/mainwindow.h
@@ -66,6 +66,12 @@ private:
     void onShowMessage(QString, QString);
 
     Ui::MainWindow *ui;
+    void checkOrientation();
+    void setPortraitLayout();
+    void setLandscapeLayout();
+    Qt::ScreenOrientation currentOrientation;
+
+
     Worker *m_worker;
     int const m_width;
     QTimer *m_startTimer;
diff --git a/UpdatePTUDevCtrl/mainwindow.ui b/UpdatePTUDevCtrl/mainwindow.ui
index 4d081d4..82fa12e 100644
--- a/UpdatePTUDevCtrl/mainwindow.ui
+++ b/UpdatePTUDevCtrl/mainwindow.ui
@@ -10,6 +10,12 @@
     <height>480</height>
    </rect>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>480</width>
+    <height>480</height>
+   </size>
+  </property>
   <property name="font">
    <font>
     <family>Source Code Pro</family>
@@ -19,55 +25,47 @@
    <string>MainWindow</string>
   </property>
   <widget class="QWidget" name="centralwidget">
-   <widget class="QWidget" name="layoutWidget">
-    <property name="geometry">
-     <rect>
-      <x>10</x>
-      <y>10</y>
-      <width>781</width>
-      <height>441</height>
-     </rect>
-    </property>
-    <layout class="QGridLayout" name="gridLayout">
-     <item row="3" column="2">
-      <widget class="QPushButton" name="exit">
-       <property name="text">
-        <string>Exit</string>
-       </property>
-      </widget>
-     </item>
-     <item row="3" column="1">
-      <widget class="QProgressBar" name="updateProgress">
-       <property name="value">
-        <number>1</number>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="0" rowspan="3" colspan="3">
-      <widget class="QTextEdit" name="updateStatus">
-       <property name="enabled">
-        <bool>true</bool>
-       </property>
-       <property name="font">
-        <font>
-         <family>Misc Fixed</family>
-         <pointsize>11</pointsize>
-         <bold>true</bold>
-        </font>
-       </property>
-       <property name="verticalScrollBarPolicy">
-        <enum>Qt::ScrollBarAsNeeded</enum>
-       </property>
-       <property name="horizontalScrollBarPolicy">
-        <enum>Qt::ScrollBarAsNeeded</enum>
-       </property>
-       <property name="sizeAdjustPolicy">
-        <enum>QAbstractScrollArea::AdjustToContents</enum>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </widget>
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="3" column="2">
+       <widget class="QPushButton" name="exit">
+        <property name="text">
+         <string>Exit</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QProgressBar" name="updateProgress">
+        <property name="value">
+         <number>1</number>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0" rowspan="3" colspan="3">
+       <widget class="QTextEdit" name="updateStatus">
+        <property name="enabled">
+         <bool>true</bool>
+        </property>
+        <property name="font">
+         <font>
+          <family>Misc Fixed</family>
+          <pointsize>11</pointsize>
+          <weight>75</weight>
+          <bold>true</bold>
+         </font>
+        </property>
+        <property name="verticalScrollBarPolicy">
+         <enum>Qt::ScrollBarAsNeeded</enum>
+        </property>
+        <property name="horizontalScrollBarPolicy">
+         <enum>Qt::ScrollBarAsNeeded</enum>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
   </widget>
  </widget>
  <resources/>