diff --git a/w3/src/w3test1.java b/w3/src/w3test1.java
deleted file mode 100644
index 188ab9a..0000000
--- a/w3/src/w3test1.java
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * @Author: your name
- * 这就是新创建的JAVA 文件
- */
-public class w3test1 {
-    static void main() {
-
-    }
-}
diff --git a/w4/main4.java b/w4/main4.java
deleted file mode 100644
index e69de29..0000000