diff --git a/src/main/java/cn/zust/edu/cn/App.java b/src/main/java/cn/zust/edu/cn/App.java
index bf9c122443f372c99495cef0daf5d07e13abdff6..661c85faebc6c7724107c944277274f46f290671 100644
--- a/src/main/java/cn/zust/edu/cn/App.java
+++ b/src/main/java/cn/zust/edu/cn/App.java
@@ -1,12 +1,22 @@
 package cn.zust.edu.cn;
-/**
- * 
- * @author czg
- * @since 2022/9/7 11:07
- */
+
 public class App {
     public static void main(String[] args) {
-        System.out.println("hello world!");
+        ShapeManager shapeManager = new ShapeManager();
+        
+        Rectangle rect = new Rectangle(new Point(10, 10), 100, 200);
+        Triangle tri = new Triangle(new Point(0, 10), new Point(50, 50), new Point(150, 0));
+        Circle cir = new Circle(new Point(100, 100), 100);
+        
+        shapeManager.addShape(rect);
+        shapeManager.addShape(tri);
+        shapeManager.addShape(cir);
+        
+        shapeManager.drawShapes();
+        
+        shapeManager.delShape(rect);
+        
+        shapeManager.drawShapes();
 
     }
 }