diff --git a/src/main/java/getaguitar/site/demo/Controller/APIController.java b/src/main/java/getaguitar/site/demo/Controller/APIController.java
index 009b9e7..dbc2534 100644
--- a/src/main/java/getaguitar/site/demo/Controller/APIController.java
+++ b/src/main/java/getaguitar/site/demo/Controller/APIController.java
@@ -18,7 +18,6 @@ public class APIController {
     @GetMapping("/user")
     @CrossOrigin(origins = "*", allowedHeaders = "*")
     public ResUserNameDto getUser() throws JsonProcessingException {
-        ResUserNameDto userDto = apiService.getUser();
-        return userDto;
+        return apiService.getUser();
     }
 }
diff --git a/src/main/java/getaguitar/site/demo/Controller/ChatController.java b/src/main/java/getaguitar/site/demo/Controller/ChatController.java
index 821955e..cfefc62 100644
--- a/src/main/java/getaguitar/site/demo/Controller/ChatController.java
+++ b/src/main/java/getaguitar/site/demo/Controller/ChatController.java
@@ -16,7 +16,6 @@ public class ChatController {
     @MessageMapping("/message")
     @SendTo("/topic/chat/message")
     public ResChatMessageDto sendMessage(@Payload ReqChatMessageDto message) {
-        ResChatMessageDto resChatMessageDto = new ResChatMessageDto(message.getText(), message.getUsername());
-        return resChatMessageDto;
+        return new ResChatMessageDto(message.getText(), message.getUsername());
     }
 }
diff --git a/src/main/java/getaguitar/site/demo/Controller/MapController.java b/src/main/java/getaguitar/site/demo/Controller/MapController.java
index e3d2574..502562f 100644
--- a/src/main/java/getaguitar/site/demo/Controller/MapController.java
+++ b/src/main/java/getaguitar/site/demo/Controller/MapController.java
@@ -26,15 +26,13 @@ public class MapController {
     @MessageMapping("/move")
     @SendTo("/topic/map/move")
     public MoveUserDto moveUser(MoveUserDto position) {
-        MoveUserDto moveUserDto = mapService.moveUser(position);
-        return moveUserDto;
+        return mapService.moveUser(position);
     }
 
     @MessageMapping("/new")
     @SendTo("/topic/map/new")
     public ResNewUserDto newUser(@Payload ReqNewUserDto newUser) {
-        ResNewUserDto resNewUserDto = mapService.createUser(newUser);
-        return resNewUserDto;
+        return mapService.createUser(newUser);
     }
 
     @MessageMapping("/all")
@@ -46,7 +44,6 @@ public List<UserEntity> allUser(){
     @MessageMapping("/stop")
     @SendTo("/topic/map/stop")
     public ResStopUserDto stopUser(ReqStopUserDto stopUser) {
-        ResStopUserDto resStopUserDto= mapService.stopUser(stopUser);
-        return resStopUserDto;
+        return mapService.stopUser(stopUser);
     }
 }
diff --git a/src/main/java/getaguitar/site/demo/Entity/UserEntity.java b/src/main/java/getaguitar/site/demo/Entity/UserEntity.java
index 2f64d45..f067922 100644
--- a/src/main/java/getaguitar/site/demo/Entity/UserEntity.java
+++ b/src/main/java/getaguitar/site/demo/Entity/UserEntity.java
@@ -6,6 +6,7 @@
 
 @ToString
 @Getter
+@Setter
 @Builder
 @AllArgsConstructor
 @NoArgsConstructor
@@ -19,10 +20,8 @@ public class UserEntity {
     @Column(length = 45)
     private String username;
 
-    @NotNull
     private Integer x;
 
-    @NotNull
     private Integer y;
 
     private String direction;
diff --git a/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java b/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
index 21d5d7c..dba9bfd 100644
--- a/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
+++ b/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
@@ -8,7 +8,6 @@ public class APIServiceImpl implements APIService{
     @Override
     public ResUserNameDto getUser(){
         String username = RandomStringUtils.randomAlphanumeric(5);
-        ResUserNameDto userDto = new ResUserNameDto(username);
-        return userDto;
+        return new ResUserNameDto(username);
     }
 }
diff --git a/src/main/java/getaguitar/site/demo/Service/MapServiceImpl.java b/src/main/java/getaguitar/site/demo/Service/MapServiceImpl.java
index 2915cb3..749cba0 100644
--- a/src/main/java/getaguitar/site/demo/Service/MapServiceImpl.java
+++ b/src/main/java/getaguitar/site/demo/Service/MapServiceImpl.java
@@ -7,6 +7,7 @@
 
 import getaguitar.site.demo.Entity.UserEntity;
 import getaguitar.site.demo.Repository.UserRepository;
+import jakarta.transaction.Transactional;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -28,8 +29,7 @@ public ResNewUserDto createUser(ReqNewUserDto newUser){
                 .y(300)
                 .direction("down")
                 .build()).getUsername();
-        ResNewUserDto resNewUserDto = new ResNewUserDto(username,400,300,"down");
-        return resNewUserDto;
+        return new ResNewUserDto(username,400,300,"down");
     }
 
     @Override
@@ -38,6 +38,7 @@ public List<UserEntity> getAllUser(){
     }
 
     @Override
+    @Transactional
     public MoveUserDto moveUser(MoveUserDto position) {
         String username = position.getUsername();
         UserEntity user = userRepository.findByUsername(username);
@@ -46,21 +47,12 @@ public MoveUserDto moveUser(MoveUserDto position) {
         int y = position.getY();
         String direction = position.getDirection();
 
-        if(direction.equals("up")) y-=2;
-        else if(direction.equals("down")) y+=2;
-        else if(direction.equals("left")) x-=2;
-        else if(direction.equals("right")) x+=2;
+        if(direction.equals("up")) { y-=2; user.setY(y); }
+        else if(direction.equals("down")) { y+=2; user.setY(y); }
+        else if(direction.equals("left")) { x-=2; user.setX(x); }
+        else if(direction.equals("right")) { x+=2; user.setX(x); }
 
-        userRepository.save(UserEntity.builder()
-                        .id(user.getId())
-                        .username(username)
-                        .x(x)
-                        .y(y)
-                        .direction(direction)
-                        .build());
-
-        MoveUserDto moveUserDto = new MoveUserDto(username, x, y, direction);
-        return moveUserDto;
+        return new MoveUserDto(username, x, y, direction);
     }
 
     @Override