diff --git a/w5/Circle.java b/w5/Circle.java
new file mode 100644
index 0000000..caeb91c
--- /dev/null
+++ b/w5/Circle.java
@@ -0,0 +1,8 @@
+package Shape;
+
+public class Circle extends Shape {
+    @Override
+    public void draw(){
+        System.out.println("画一个圆形");
+    }
+}
diff --git a/w5/Rectangle.java b/w5/Rectangle.java
new file mode 100644
index 0000000..1b43d23
--- /dev/null
+++ b/w5/Rectangle.java
@@ -0,0 +1,8 @@
+package Shape;
+
+public class Rectangle extends Shape {
+    @Override
+    public void draw(){
+        System.out.println("打印一个矩形");
+    }
+}
diff --git a/w5/Shape.java b/w5/Shape.java
new file mode 100644
index 0000000..d0cc037
--- /dev/null
+++ b/w5/Shape.java
@@ -0,0 +1,5 @@
+package Shape;
+
+public abstract class Shape {
+    public abstract void draw();
+}
diff --git a/w5/ai使用记录.txt b/w5/ai使用记录.txt
new file mode 100644
index 0000000..06d7405
Binary files /dev/null and b/w5/ai使用记录.txt differ
diff --git a/w5/main.java b/w5/main.java
new file mode 100644
index 0000000..38046fd
--- /dev/null
+++ b/w5/main.java
@@ -0,0 +1,14 @@
+package Shape;
+
+public class main {
+    public static void drawShape(Shape s){
+        s.draw();
+    }
+    public static void main(String[] args){
+        Shape circle = new Circle();
+        Shape rectabgle = new Rectangle();
+
+        drawShape(circle);
+        drawShape(rectabgle);
+    }
+}