diff --git a/docs/坦克大战笔记.docx b/docs/坦克大战笔记.docx
index caa17a9..3eaca1e 100644
Binary files a/docs/坦克大战笔记.docx and b/docs/坦克大战笔记.docx differ
diff --git a/src/com/demo/tank/coruse2/Main.java b/src/com/demo/tank/coruse1/Main.java
similarity index 76%
rename from src/com/demo/tank/coruse2/Main.java
rename to src/com/demo/tank/coruse1/Main.java
index 2d4c635..b060e19 100644
--- a/src/com/demo/tank/coruse2/Main.java
+++ b/src/com/demo/tank/coruse1/Main.java
@@ -1,4 +1,4 @@
-package com.demo.tank.coruse2;
+package com.demo.tank.coruse1;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/com/demo/tank/coruse2/TankFrame.java b/src/com/demo/tank/coruse1/TankFrame.java
similarity index 53%
rename from src/com/demo/tank/coruse2/TankFrame.java
rename to src/com/demo/tank/coruse1/TankFrame.java
index 50ee199..ef885bf 100644
--- a/src/com/demo/tank/coruse2/TankFrame.java
+++ b/src/com/demo/tank/coruse1/TankFrame.java
@@ -1,8 +1,11 @@
-package com.demo.tank.coruse2;
+package com.demo.tank.coruse1;
 
 import java.awt.*;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
+import java.util.Random;
 
 public class TankFrame extends Frame {
     int x = 200, y = 200;
@@ -11,7 +14,8 @@ public class TankFrame extends Frame {
         setSize(800, 600);
         setResizable(false);
         setTitle("tank war");
-        addWindowListener(new WindowAdapter() {
+        this.addKeyListener(new MyKeyListener());
+        this.addWindowListener(new WindowAdapter() {
             @Override
             public void windowClosing(WindowEvent e) {
                 System.exit(0);
@@ -21,6 +25,15 @@ public class TankFrame extends Frame {
 
     @Override
     public void paint(Graphics g){
-        g.fillRect(x,y,50,50);
+        g.fillRect(x, y,50,50);
+    }
+
+    class MyKeyListener extends KeyAdapter{
+
+        @Override
+        public void keyPressed(KeyEvent e) {
+            x += 10;
+            repaint();
+        }
     }
 }