diff --git a/cloud-etl-common/src/main/java/com/muyu/Main.java b/cloud-etl-common/src/main/java/com/muyu/Main.java
deleted file mode 100644
index 95690d4..0000000
--- a/cloud-etl-common/src/main/java/com/muyu/Main.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package com.muyu;
-
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}
\ No newline at end of file