diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc7acd0..0a64004 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,6 @@ find_package(Qt6 REQUIRED COMPONENTS Widgets)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)
-# qt_standard_project_setup()
 
 file(GLOB_RECURSE SERVER_SOURCES "${CMAKE_SOURCE_DIR}/src/graph/server/*.cpp")
 file(GLOB_RECURSE SERVER_UI "${CMAKE_SOURCE_DIR}/src/graph/server/*.ui")
@@ -46,6 +45,6 @@ qt_wrap_ui(SERVER_GEN_UI ${SERVER_UI})
 add_executable(server
   ${SERVER_SOURCES} ${SERVER_RES} ${SERVER_UI} ${SERVER_HEADERS}
   ${SERVER_GEN_SRC} ${SERVER_GEN_UI}
-  )
+)
 
 target_link_libraries(server PRIVATE dl Qt6::Widgets)
\ No newline at end of file
diff --git a/inc/graph/server/gui/mainwindow.h b/inc/graph/server/gui/mainwindow.h
index 2eab2a3..d6d21d3 100644
--- a/inc/graph/server/gui/mainwindow.h
+++ b/inc/graph/server/gui/mainwindow.h
@@ -9,16 +9,17 @@ namespace Ui {
 class MainWindow;
 }
 
+namespace Graph::GUI {
 class MainWindow : public QMainWindow {
   Q_OBJECT
 public:
   explicit MainWindow(QWidget *parent = nullptr);
   ~MainWindow();
 
-private:
-  QMenuBar *menuBar;
-  QToolBar *toolbar;
-  QStatusBar *statusBar;
+private slots:
+  void on_actionExit_triggered();
 
+private:
   Ui::MainWindow *ui;
-};
\ No newline at end of file
+};
+} // namespace Graph::GUI
diff --git a/src/graph/server/gui/mainwindow.cpp b/src/graph/server/gui/mainwindow.cpp
index 820d95f..5261f66 100644
--- a/src/graph/server/gui/mainwindow.cpp
+++ b/src/graph/server/gui/mainwindow.cpp
@@ -1,10 +1,15 @@
 #include <graph/server/gui/mainwindow.h>
 #include <ui_mainwindow.h>
 
-MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
-    ui->setupUi(this);
+namespace Graph::GUI {
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent), ui(new Ui::MainWindow) {
+  ui->setupUi(this);
 }
 
-MainWindow::~MainWindow() {
-    delete ui;
-}
\ No newline at end of file
+MainWindow::~MainWindow() { delete ui; }
+
+void MainWindow::on_actionExit_triggered() {
+    this->close();
+}
+} // namespace Graph::GUI
diff --git a/src/graph/server/gui/mainwindow.ui b/src/graph/server/gui/mainwindow.ui
index 24e14ec..a47d899 100644
--- a/src/graph/server/gui/mainwindow.ui
+++ b/src/graph/server/gui/mainwindow.ui
@@ -13,10 +13,23 @@
                 <x>0</x>
                 <y>0</y>
                 <width>640</width>
-                <width>480</width>
+                <height>480</height>
             </rect>
         </property>
-        <widget class="QMenuBar" name="menuBar"/>
+        <widget class="QMenuBar" name="menuBar">
+            <widget class="QMenu" name="menuFile">
+                <property name="title">
+                    <string>&amp;File</string>
+                </property>
+                <addaction name="actionExit"/>
+            </widget>
+            <addaction name="menuFile"/>
+        </widget>
+        <action name="actionExit">
+            <property name="text">
+                <string>E&amp;xit</string>
+            </property>
+        </action>
         <widget class="QToolBar" name="toolBar"/>
         <widget class="QWidget" name="centralWidget"/>
         <widget class="QStatusBar" name="statusBar"/>
diff --git a/src/graph/server/main.cpp b/src/graph/server/main.cpp
index 291622c..4d752d6 100644
--- a/src/graph/server/main.cpp
+++ b/src/graph/server/main.cpp
@@ -9,7 +9,7 @@ int main(int argc, char** argv) {
     plugin.init((update_callback_t)1);
 
     QApplication app(argc, argv);
-    MainWindow window;
+    Graph::GUI::MainWindow window;
     window.show();
 
     return app.exec();