diff --git a/w5/TestVehicle.java b/w5/TestVehicle.java
deleted file mode 100644
index be5ca6d..0000000
--- a/w5/TestVehicle.java
+++ /dev/null
@@ -1,14 +0,0 @@
-public class TestVehicle {
-	public static void main(String[] args) {
-		// 创建Vehicle数组，存放不同车辆
-		Vehicle[] vehicles = new Vehicle[3];
-		vehicles[0] = new Car();
-		vehicles[1] = new Bike();
-		vehicles[2] = new Truck();
-
-		// 遍历数组，调用run()
-		for (Vehicle v : vehicles) {
-			v.run();
-		}
-	}
-}
\ No newline at end of file