diff --git a/spring_test_01/src/main/java/com/msb/dao/EmpDao.java b/spring_test_01/src/main/java/com/msb/dao/EmpDao.java
new file mode 100644
index 0000000..a447027
--- /dev/null
+++ b/spring_test_01/src/main/java/com/msb/dao/EmpDao.java
@@ -0,0 +1,5 @@
+package com.msb.dao;
+
+public interface EmpDao {
+    int addEmp();
+}