diff --git a/.gitignore b/.gitignore
index 838bfb6..f68d109 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,4 @@ bin/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
-/.idea/
-*.iml
\ No newline at end of file
+.DS_Store
\ No newline at end of file
diff --git a/src/com/demo/tank/frame/FrameTest.java b/src/com/demo/tank/frame/FrameTest.java
new file mode 100644
index 0000000..1899560
--- /dev/null
+++ b/src/com/demo/tank/frame/FrameTest.java
@@ -0,0 +1,21 @@
+package com.demo.tank.frame;
+
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+public class FrameTest {
+    public static void main(String[] args) {
+        Frame frame = new Frame();
+        frame.setVisible(true);
+        frame.setSize(800, 600);
+        frame.setResizable(false);
+        frame.setTitle("tank war");
+        frame.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
+    }
+}