diff --git a/w5/Car.java b/w5/Car.java
deleted file mode 100644
index 5d4eb52..0000000
--- a/w5/Car.java
+++ /dev/null
@@ -1,6 +0,0 @@
-public class Car extends Vehicle {
-    @Override
-    public void run() {
-        System.out.println("小汽车在公路上行驶");
-    }
-}
\ No newline at end of file