diff --git a/src/main/java/com/example/demo/DemoApplication.java b/src/main/java/com/example/demo/DemoApplication.java
index 5d6554c13072b6d567f69f626fd9d628ad0eb3e0..35f327cfdf6765a66b850e745e3da58057c9170f 100644
--- a/src/main/java/com/example/demo/DemoApplication.java
+++ b/src/main/java/com/example/demo/DemoApplication.java
@@ -35,11 +35,10 @@ public class DemoApplication{// implements CommandLineRunner{
         SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
         sessionFactory.setDataSource(dataSource);
         
-        Resource[] res = new PathMatchingResourcePatternResolver().getResources("mapper/Mapper.xml");
+        Resource[] res = new PathMatchingResourcePatternResolver().getResources("mappers/UserMapper.xml");
         sessionFactory.setMapperLocations(res);
         
         return sessionFactory.getObject();
     }
 
 }
-
diff --git a/src/main/java/com/example/demo/controller/UserDto.java b/src/main/java/com/example/demo/controller/UserDto.java
deleted file mode 100644
index fced24b067414fe46a3f4e8c96c269af841946ef..0000000000000000000000000000000000000000
--- a/src/main/java/com/example/demo/controller/UserDto.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.example.demo.controller;
-
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
-
-@Getter
-@Setter
-@ToString
-
-public class UserDto {
-    private String name;
-    private Integer age;
-}
-
-
diff --git a/src/main/java/com/example/demo/dao/UserDAO b/src/main/java/com/example/demo/dao/UserDAO.java
similarity index 100%
rename from src/main/java/com/example/demo/dao/UserDAO
rename to src/main/java/com/example/demo/dao/UserDAO.java