diff --git a/src/main/java/com/example/HappyNewHere/controller/AccountController.java b/src/main/java/com/example/HappyNewHere/controller/AccountController.java
index b4f6602..6e7c72b 100644
--- a/src/main/java/com/example/HappyNewHere/controller/AccountController.java
+++ b/src/main/java/com/example/HappyNewHere/controller/AccountController.java
@@ -6,6 +6,7 @@
 import com.example.HappyNewHere.dto.request.AccountRequestDto;
 import com.example.HappyNewHere.service.AccountService;
 import com.example.HappyNewHere.service.KakaoService;
+import com.example.HappyNewHere.utils.AuthenticateUtils;
 import com.example.HappyNewHere.utils.JwtUtils;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
@@ -21,7 +22,7 @@
 @RequiredArgsConstructor
 @CrossOrigin
 public class AccountController {
-
+    private final AuthenticateUtils authenticateUtils;
     private final AccountService accountService;
     private final KakaoService kakaoService;
 
@@ -39,7 +40,8 @@ public ResponseEntity<?> login(
     @GetMapping("/userInfo")
     public ResponseEntity<?> personalInfo(Authentication authentication
     ) {
-        return ResponseEntity.ok().body(accountService.findAccount(Long.parseLong(authentication.getName())));
+        Long accountId = authenticateUtils.getLongId(authentication);
+        return ResponseEntity.ok().body(accountService.findAccount(accountId));
     }
 
     // 유저 id 뿐만 아니라 발급한 토큰 또한 필요함.
@@ -49,8 +51,9 @@ public ResponseEntity<?> personalInfo(
             @RequestParam String userId,
             @RequestParam String stateMsg
     ) {
-        accountService.addUserId(Long.parseLong(authentication.getName()), userId);
-        accountService.addStateMsg(Long.parseLong(authentication.getName()), stateMsg);
+        Long accountId = authenticateUtils.getLongId(authentication);
+        accountService.addUserId(accountId, userId);
+        accountService.addStateMsg(accountId, stateMsg);
         return ResponseEntity.ok().build();
     }
 
diff --git a/src/main/java/com/example/HappyNewHere/controller/CalenderController.java b/src/main/java/com/example/HappyNewHere/controller/CalenderController.java
index 9f8194c..cd712f8 100644
--- a/src/main/java/com/example/HappyNewHere/controller/CalenderController.java
+++ b/src/main/java/com/example/HappyNewHere/controller/CalenderController.java
@@ -21,7 +21,7 @@ public class CalenderController {
 
     @GetMapping("{userId}")
     public ResponseEntity showCalender(
-            @PathVariable String userId,
+            @PathVariable(name = "userId") String userId,
             Authentication authentication){
 
         //TODO: 헤더에서 accountId 가져오기
diff --git a/src/main/java/com/example/HappyNewHere/controller/MessageController.java b/src/main/java/com/example/HappyNewHere/controller/MessageController.java
index 0d7f3ee..176dcda 100644
--- a/src/main/java/com/example/HappyNewHere/controller/MessageController.java
+++ b/src/main/java/com/example/HappyNewHere/controller/MessageController.java
@@ -6,21 +6,18 @@
 import com.example.HappyNewHere.utils.AuthenticateUtils;
 import java.util.List;
 
+import lombok.RequiredArgsConstructor;
 import org.springframework.security.core.Authentication;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping(value="/message")
 @CrossOrigin
+@RequiredArgsConstructor
 public class MessageController {
     private final MessageService messageService;
     private final AuthenticateUtils authenticateUtils;
 
-    // 권한들 넣어주셈요
-    public MessageController(MessageService messageService, AuthenticateUtils authenticateUtils) {
-        this.messageService = messageService;
-        this.authenticateUtils = authenticateUtils;
-    }
 
     @PostMapping("/create")
     public MessageDto createMessage(
@@ -31,23 +28,23 @@ public MessageDto createMessage(
         return messageService.createMessage(userId,messageRequestDto);
     }
 
-    @GetMapping("/read/{userId}")
-    public List<MessageDto> findAllMessages(@PathVariable String userId) {
-        return messageService.findAllMessages(userId);
-    }
-
-    @GetMapping("/read/{userId}/{messageId}")
-    public MessageDto findMessage(@PathVariable String userId, @PathVariable Long messageId) {
-        return messageService.findOneMessage(messageId);
-    }
-
-    @PutMapping("/update")
-    public Long updateMessage(@RequestBody MessageDto messageDto) {
-        return messageService.updateMessage(messageDto);
-    }
-
-    @DeleteMapping("/delete/{messageId}")
-    public Long deleteMessage(@PathVariable Long messageId) {
-        return messageService.deleteMessage(messageId);
-    }
+//    @GetMapping("/read/{userId}")
+//    public List<MessageDto> findAllMessages(@PathVariable String userId) {
+//        return messageService.findAllMessages(userId);
+//    }
+//
+//    @GetMapping("/read/{userId}/{messageId}")
+//    public MessageDto findMessage(@PathVariable String userId, @PathVariable Long messageId) {
+//        return messageService.findOneMessage(messageId);
+//    }
+//
+//    @PutMapping("/update")
+//    public Long updateMessage(@RequestBody MessageDto messageDto) {
+//        return messageService.updateMessage(messageDto);
+//    }
+//
+//    @DeleteMapping("/delete/{messageId}")
+//    public Long deleteMessage(@PathVariable Long messageId) {
+//        return messageService.deleteMessage(messageId);
+//    }
 }
diff --git a/src/main/java/com/example/HappyNewHere/domain/Account.java b/src/main/java/com/example/HappyNewHere/domain/Account.java
index 1f32752..a66065e 100644
--- a/src/main/java/com/example/HappyNewHere/domain/Account.java
+++ b/src/main/java/com/example/HappyNewHere/domain/Account.java
@@ -28,8 +28,8 @@ public Account(Long accountId, String nickname, String userId, String profileImg
         this.stateMsg = stateMsg;
     }
 
-    public static Account of(Long accountId, AccountRequestDto accountRequestDto) {
-        return new Account(accountId, accountRequestDto.nickname(), accountRequestDto.userId(), accountRequestDto.profileImg(), accountRequestDto.stateMsg());
+    public static Account of(Long accountId, AccountRequestDto accountRequestDto, String profileImg) {
+        return new Account(accountId, accountRequestDto.nickname(), accountRequestDto.userId(), profileImg, accountRequestDto.stateMsg());
     }
 
     public Account(Long accountId) {
diff --git a/src/main/java/com/example/HappyNewHere/domain/Messages.java b/src/main/java/com/example/HappyNewHere/domain/Messages.java
index e75e47d..d0b8910 100644
--- a/src/main/java/com/example/HappyNewHere/domain/Messages.java
+++ b/src/main/java/com/example/HappyNewHere/domain/Messages.java
@@ -14,38 +14,31 @@
 
 @Entity
 @Data
-@NoArgsConstructor
 public class Messages {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long messageId;
     private LocalDateTime createdDate;
     private String context;
-    private String sender; // SenderUserId
-    private String receiver; // ReciverUserId
+    private Long sender; // kakooId
+    private Long receiver; //kakaoid
     private int paperNum;
     private boolean anonymous;
 
-    // dto -> entity
-    public Messages(MessageDto messageDto) {
-        this.messageId = messageDto.getMessageId();
-        this.createdDate = messageDto.getCreatedDate();
-        this.context = messageDto.getContext();
-        this.sender = messageDto.getSender();
-        this.receiver = messageDto.getReceiver();
-        this.paperNum = messageDto.getPaperNum();
-        this.anonymous = messageDto.isAnonymous();  // 왜 바로접근가능??
-    }
 
+    private Messages() {
+    }
+    private Messages(LocalDateTime createdDate, String context, Long sender, Long receiver, int paperNum, boolean anonymous) {
+        this.createdDate = createdDate;
+        this.context = context;
+        this.sender = sender;
+        this.receiver = receiver;
+        this.paperNum = paperNum;
+        this.anonymous = anonymous;
+    }
 
-    // patch로 변경 ..?
-    public void update(MessageDto messageDto) {
-        this.messageId = messageDto.getMessageId();
-        this.createdDate = messageDto.getCreatedDate();
-        this.context = messageDto.getContext();
-        this.sender = messageDto.getSender();
-        this.receiver = messageDto.getReceiver();
-        this.paperNum = messageDto.getPaperNum();
-        this.anonymous = messageDto.isAnonymous();
+    public static Messages of(LocalDateTime createdDate, String context, Long sender, Long receiver, int paperNum, boolean anonymous) {
+        return new Messages( createdDate, context, sender, receiver, paperNum, anonymous);
     }
+
 }
diff --git a/src/main/java/com/example/HappyNewHere/dto/MessageDto.java b/src/main/java/com/example/HappyNewHere/dto/MessageDto.java
index aa9291f..ad70535 100644
--- a/src/main/java/com/example/HappyNewHere/dto/MessageDto.java
+++ b/src/main/java/com/example/HappyNewHere/dto/MessageDto.java
@@ -3,7 +3,10 @@
 import com.example.HappyNewHere.domain.Messages;
 import java.time.LocalDateTime;
 import lombok.Data;
+import lombok.NoArgsConstructor;
+
 @Data
+@NoArgsConstructor
 public class MessageDto {
     private Long messageId;
     private LocalDateTime createdDate;
@@ -13,17 +16,6 @@ public class MessageDto {
     private int paperNum;
     private boolean anonymous;
 
-    // entity -> dto
-    public MessageDto(Messages messages) {
-        this.messageId = messages.getMessageId();
-        this.createdDate = messages.getCreatedDate();
-        this.context = messages.getContext();
-        this.sender = messages.getSender();
-        this.receiver = messages.getReceiver();
-        this.paperNum = messages.getPaperNum();
-        this.anonymous = messages.isAnonymous();
-    }
-
     public MessageDto(Long messageId, LocalDateTime createdDate, String context, String sender, String receiver,
                       int paperNum, boolean anonymous) {
         this.messageId = messageId;
@@ -34,4 +26,16 @@ public MessageDto(Long messageId, LocalDateTime createdDate, String context, Str
         this.paperNum = paperNum;
         this.anonymous = anonymous;
     }
+
+    public static MessageDto from(Messages messages,String sender,String receiver) {
+        return new MessageDto(
+                messages.getMessageId(),
+                messages.getCreatedDate(),
+                messages.getContext(),
+                sender,
+                receiver,
+                messages.getPaperNum(),
+                messages.isAnonymous()
+        );
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/HappyNewHere/dto/request/MessageRequestDto.java b/src/main/java/com/example/HappyNewHere/dto/request/MessageRequestDto.java
index b3dab3b..535dcbb 100644
--- a/src/main/java/com/example/HappyNewHere/dto/request/MessageRequestDto.java
+++ b/src/main/java/com/example/HappyNewHere/dto/request/MessageRequestDto.java
@@ -12,18 +12,18 @@ public class MessageRequestDto {
     private boolean anonymous;
 
     // entity -> dto
-    public MessageRequestDto(Messages messages) {
-        this.context = messages.getContext();
-        this.receiver = messages.getReceiver();
-        this.paperNum = messages.getPaperNum();
-        this.anonymous = messages.isAnonymous();
-    }
-
-    public MessageRequestDto(String context, String receiver,
-                      int paperNum, boolean anonymous) {
-        this.context = context;
-        this.receiver = receiver;
-        this.paperNum = paperNum;
-        this.anonymous = anonymous;
-    }
+//    public MessageRequestDto(Messages messages) {
+//        this.context = messages.getContext();
+//        this.receiver = messages.getReceiver();
+//        this.paperNum = messages.getPaperNum();
+//        this.anonymous = messages.isAnonymous();
+//    }
+//
+//    public MessageRequestDto(String context, String receiver,
+//                      int paperNum, boolean anonymous) {
+//        this.context = context;
+//        this.receiver = receiver;
+//        this.paperNum = paperNum;
+//        this.anonymous = anonymous;
+//    }
 }
diff --git a/src/main/java/com/example/HappyNewHere/dto/response/MsgResponseDto.java b/src/main/java/com/example/HappyNewHere/dto/response/MsgResponseDto.java
index ba15e7b..53d8688 100644
--- a/src/main/java/com/example/HappyNewHere/dto/response/MsgResponseDto.java
+++ b/src/main/java/com/example/HappyNewHere/dto/response/MsgResponseDto.java
@@ -13,10 +13,10 @@ public record MsgResponseDto(
         boolean anonymous,
         LocalDateTime day
 ) {
-    public static MsgResponseDto of(Messages messages, String senderNickname){
+    public static MsgResponseDto of(Messages messages,String senderUserId, String senderNickname){
         return new MsgResponseDto(
                 messages.getContext(),
-                messages.getSender(),
+                senderUserId,
                 senderNickname,
                 messages.getPaperNum(),
                 messages.isAnonymous(),
diff --git a/src/main/java/com/example/HappyNewHere/exception/ErrorCode.java b/src/main/java/com/example/HappyNewHere/exception/ErrorCode.java
index b7c314f..7ef52de 100644
--- a/src/main/java/com/example/HappyNewHere/exception/ErrorCode.java
+++ b/src/main/java/com/example/HappyNewHere/exception/ErrorCode.java
@@ -9,7 +9,7 @@
 public enum ErrorCode {
     USER_NOT_FOUND(400,HttpStatus.NOT_FOUND, "유저를 찾을 수 없습니다"),
     INVALID_PERMISSION(401,HttpStatus.UNAUTHORIZED, "권한이 없습니다"),
-    DUPLICATED_USER_NAME(400,HttpStatus.CONFLICT, "유저명이 중복됩니다"),
+    DUPLICATED_USER_NAME(400,HttpStatus.CONFLICT, "유저명이 중복되거나 null일 수 있습니다."),
     DATABASE_ERROR(400,HttpStatus.INTERNAL_SERVER_ERROR, "DB에러가 발생하였습니다");
     private int status;
     private HttpStatus error;
diff --git a/src/main/java/com/example/HappyNewHere/repository/MessageRepository.java b/src/main/java/com/example/HappyNewHere/repository/MessageRepository.java
index 8398423..99d4364 100644
--- a/src/main/java/com/example/HappyNewHere/repository/MessageRepository.java
+++ b/src/main/java/com/example/HappyNewHere/repository/MessageRepository.java
@@ -8,5 +8,5 @@
 
 @Repository
 public interface MessageRepository extends JpaRepository<Messages, Long> {
-    List<Messages> findByReceiver(String receiver);
+    List<Messages> findByReceiver(Long receiver);
 }
diff --git a/src/main/java/com/example/HappyNewHere/service/AccountService.java b/src/main/java/com/example/HappyNewHere/service/AccountService.java
index 1025e89..d28c687 100644
--- a/src/main/java/com/example/HappyNewHere/service/AccountService.java
+++ b/src/main/java/com/example/HappyNewHere/service/AccountService.java
@@ -26,7 +26,7 @@ public class AccountService {
     private final AccountRepository accountRepository;
     @Value("${jwt.secret}")
     private String secretKey;
-    private Long expiredMs = 1000*60*60L; //한시간
+    private Long expiredMs = 1000*60*60*24L; //한시간
 
     @Transactional
     public Account save(AccountDto accountDto) {
@@ -50,7 +50,7 @@ public AccountDto addUserId(Long accountId, String userId) {
         if(!account.isPresent())
             throw new HappyException(ErrorCode.USER_NOT_FOUND);
 
-        if(!checkUserId(userId))
+        if(!checkUserId(userId,account.get()))
             throw new HappyException(ErrorCode.DUPLICATED_USER_NAME);
 
         account.get().setUserId(userId);
@@ -74,8 +74,10 @@ public String saveAccount(UserInfo userInfo){
             account.setNickname(userInfo.getProperties().getNickname());
 
             if (userInfo.getProperties().getProfile_image().equals("http://k.kakaocdn.net/dn/1G9kp/btsAot8liOn/8CWudi3uy07rvFNUkk3ER0/img_640x640.jpg")){
-
-                account.setProfileImg("https://dang-na-dong.s3.ap-northeast-2.amazonaws.com/Snowman.png");
+                if (Math.random()>=0.5)
+                    account.setProfileImg("https://dang-na-dong.s3.ap-northeast-2.amazonaws.com/Snowman.png");
+                else
+                    account.setProfileImg("https://dang-na-dong.s3.ap-northeast-2.amazonaws.com/Presents.png");
             }
             else{
                 account.setProfileImg(userInfo.getProperties().getProfile_image());
@@ -104,23 +106,23 @@ public AccountDto updateAccount(Long accountId, AccountRequestDto accountRequest
         Optional<Account> account = accountRepository.findById(accountId);
         if(!account.isPresent())
             throw new HappyException(ErrorCode.USER_NOT_FOUND);
-        if(!checkUserId(accountRequestDto.userId()))
+        //중복된 유저 확인
+        if(!checkUserId(accountRequestDto.userId(),account.get()))
             throw new HappyException(ErrorCode.DUPLICATED_USER_NAME);
-        // 있다면 userId가 동일한지 확인하고 다르다면 예외 반환
-        if(!account.get().getUserId().equals(accountRequestDto.userId()))
-            throw new HappyException(ErrorCode.INVALID_PERMISSION);
-        // 이미 존재하는 유저이며, userId가 동일하다면 해당 유저의 정보를 수정한다.
-        return AccountDto.from(accountRepository.save(Account.of(accountId, accountRequestDto)));
+
+        return AccountDto.from(accountRepository.save(Account.of(accountId, accountRequestDto, account.get().getProfileImg())));
     }
 
-    //userId 중복체크
-    public boolean checkUserId(String userId){
-        if(userId.equals(null) || userId.equals("")){
-            return true;
-        }
-        if (accountRepository.findByUserId(userId).isPresent()) {
+    //수정될userId 중복체크
+    public boolean checkUserId(String userId, Account owner){
+        if(userId==null || userId.equals(""))
             return false;
-        }
-        return true;
+        Optional<Account> account = accountRepository.findByUserId(userId);
+        if (account.isEmpty())
+            return true;
+        if(owner.getUserId().equals(userId))
+            return true;
+
+        return false;
     }
 }
diff --git a/src/main/java/com/example/HappyNewHere/service/CalenderService.java b/src/main/java/com/example/HappyNewHere/service/CalenderService.java
index 4ad7012..ba25027 100644
--- a/src/main/java/com/example/HappyNewHere/service/CalenderService.java
+++ b/src/main/java/com/example/HappyNewHere/service/CalenderService.java
@@ -5,6 +5,8 @@
 import com.example.HappyNewHere.domain.Messages;
 import com.example.HappyNewHere.dto.CalenderDto;
 import com.example.HappyNewHere.dto.response.MsgResponseDto;
+import com.example.HappyNewHere.exception.ErrorCode;
+import com.example.HappyNewHere.exception.HappyException;
 import com.example.HappyNewHere.repository.AccountRepository;
 import com.example.HappyNewHere.repository.CalenderRepository;
 import com.example.HappyNewHere.repository.MessageRepository;
@@ -42,11 +44,10 @@ public CalenderDto showCalender(Long accountId, String userId){
         else calenderDto.setOwner(false);
 
         //3. 메세지 목록 담기(일치하는 멤버가 아니거나 25일이 아니면 null로 두기)
-        LocalDateTime now = LocalDateTime.now();
         if(calenderDto.isOwner()
-                //&& now.getYear()==2024
+                // && LocalDateTime.now().getYear()==2024
         ){
-            List<Messages> messages = messageRepository.findByReceiver(userId);
+            List<Messages> messages = messageRepository.findByReceiver(viewer.get().getAccountId());
             for(Messages msg : messages){
                 calenderDto.getMessagesList().add(toMsgDto(msg));
             }
@@ -54,7 +55,9 @@ public CalenderDto showCalender(Long accountId, String userId){
         return calenderDto;
     }
     public MsgResponseDto toMsgDto(Messages messages){
-        return MsgResponseDto.of(messages,accountRepository.findByUserId(messages.getSender()).get().getNickname());
+        Optional<Account> account = accountRepository.findById(messages.getSender());
+        if (account.isEmpty()) throw new HappyException(ErrorCode.USER_NOT_FOUND);
+        return MsgResponseDto.of(messages,account.get().getUserId(),account.get().getNickname());
     }
 
 
diff --git a/src/main/java/com/example/HappyNewHere/service/MessageService.java b/src/main/java/com/example/HappyNewHere/service/MessageService.java
index 551c5ed..5495d8e 100644
--- a/src/main/java/com/example/HappyNewHere/service/MessageService.java
+++ b/src/main/java/com/example/HappyNewHere/service/MessageService.java
@@ -1,73 +1,87 @@
 package com.example.HappyNewHere.service;
 
+import com.example.HappyNewHere.domain.Account;
 import com.example.HappyNewHere.domain.Messages;
 import com.example.HappyNewHere.dto.MessageDto;
 import com.example.HappyNewHere.dto.request.MessageRequestDto;
+import com.example.HappyNewHere.exception.ErrorCode;
+import com.example.HappyNewHere.exception.HappyException;
+import com.example.HappyNewHere.repository.AccountRepository;
 import com.example.HappyNewHere.repository.MessageRepository;
 import com.example.HappyNewHere.utils.AuthenticateUtils;
 import jakarta.transaction.Transactional;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
+
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 @Service
 @RequiredArgsConstructor
+@Transactional
 public class MessageService {
     private final MessageRepository messageRepository;
+    private final AccountRepository accountRepository;
     private final AuthenticateUtils authenticateUtils;
 
     // 메세지 생성 (Create)
     public MessageDto createMessage(String userId, MessageRequestDto messageRequestDto) {
-        Messages messages = new Messages();
-        messages.setAnonymous(messageRequestDto.isAnonymous());
-        messages.setCreatedDate(LocalDateTime.now());
-        messages.setContext(messageRequestDto.getContext());
-        messages.setReceiver(messageRequestDto.getReceiver());
-        messages.setPaperNum(messageRequestDto.getPaperNum());
-        messages.setSender(userId);
-        messageRepository.save(messages);
-        return new MessageDto(messages);
-    }
-
-    // 내가 받은 메세지들 가져오기 (Read)
-    public List<MessageDto> findAllMessages(String receiver) {
-        try{
-            List<Messages> messagesList = messageRepository.findByReceiver(receiver);
-            List<MessageDto> messageDtoList = new ArrayList<>();
-            for (Messages messages : messagesList) {
-                messageDtoList.add(new MessageDto(messages));
-            }
-            return messageDtoList;
-        } catch (Exception e) {
-//            throw new DBEmptyDataException("조회 실패!");
-        }
-        return null;
-    }
+        Optional<Account> sender = accountRepository.findByUserId(userId);
+        Optional<Account> receiver = accountRepository.findByUserId(messageRequestDto.getReceiver());
+        if (sender.isEmpty()) throw new HappyException(ErrorCode.USER_NOT_FOUND);
+        if (receiver.isEmpty()) throw new HappyException(ErrorCode.USER_NOT_FOUND);
 
-    // 메세지 하나 가져오기 (Read)
-    public MessageDto findOneMessage(Long messageId) {
-        Messages messages = messageRepository.findById(messageId).orElseThrow(
-                () -> new IllegalArgumentException("조회 실패")
+        Messages messages = Messages.of(
+                LocalDateTime.now(),
+                messageRequestDto.getContext(),
+                sender.get().getAccountId(),
+                receiver.get().getAccountId(),
+                messageRequestDto.getPaperNum(),
+                messageRequestDto.isAnonymous()
         );
-        return new MessageDto(messages);
-    }
-
-    // 메세지 수정 (Update)
-    @Transactional
-    public Long updateMessage(MessageDto messageDto) {
-        Messages messages = messageRepository.findById(messageDto.getMessageId()).orElseThrow(
-                () -> new IllegalArgumentException("해당 메세지가 존재하지 않습니다.")
-        );
-        messages.update(messageDto);
-        return messages.getMessageId();
+        messageRepository.save(messages);
+        return MessageDto.from(messages,userId,messageRequestDto.getReceiver());
     }
 
-    // 메세지 삭제 (Delete)
-    @Transactional
-    public Long deleteMessage(Long messageId) {
-        messageRepository.deleteById(messageId);
-        return messageId;
-    }
+    // 내가 받은 메세지들 가져오기 (Read)
+//    public List<MessageDto> findAllMessages(String receiver) {
+//        try{
+//            List<Messages> messagesList = messageRepository.findByReceiver(receiver);
+//            List<MessageDto> messageDtoList = new ArrayList<>();
+//            for (Messages messages : messagesList) {
+//                messageDtoList.add(new MessageDto(messages));
+//            }
+//            return messageDtoList;
+//        } catch (Exception e) {
+////            throw new DBEmptyDataException("조회 실패!");
+//        }
+//        return null;
+//    }
+//
+//    // 메세지 하나 가져오기 (Read)
+//    public MessageDto findOneMessage(Long messageId) {
+//        Messages messages = messageRepository.findById(messageId).orElseThrow(
+//                () -> new IllegalArgumentException("조회 실패")
+//        );
+//        return new MessageDto(messages);
+//    }
+//
+//    // 메세지 수정 (Update)
+//    @Transactional
+//    public Long updateMessage(MessageDto messageDto) {
+//        Messages messages = messageRepository.findById(messageDto.getMessageId()).orElseThrow(
+//                () -> new IllegalArgumentException("해당 메세지가 존재하지 않습니다.")
+//        );
+//        //messages.update(messageDto);
+//        return messages.getMessageId();
+//    }
+//
+//    // 메세지 삭제 (Delete)
+//    @Transactional
+//    public Long deleteMessage(Long messageId) {
+//        messageRepository.deleteById(messageId);
+//        return messageId;
+//    }
 }
diff --git a/src/main/java/com/example/HappyNewHere/utils/AuthenticateUtils.java b/src/main/java/com/example/HappyNewHere/utils/AuthenticateUtils.java
index 2fbb553..a74ae74 100644
--- a/src/main/java/com/example/HappyNewHere/utils/AuthenticateUtils.java
+++ b/src/main/java/com/example/HappyNewHere/utils/AuthenticateUtils.java
@@ -5,11 +5,8 @@
 import com.example.HappyNewHere.exception.HappyException;
 import com.example.HappyNewHere.repository.AccountRepository;
 import java.util.Optional;
-import lombok.AllArgsConstructor;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.core.Authentication;
-import org.springframework.security.core.Transient;
-import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -30,7 +27,7 @@ public String getUserId(Authentication authentication){
     public Long getLongId(Authentication authentication){
         if (authentication==null) throw new HappyException(ErrorCode.USER_NOT_FOUND);
         Long accountId = Long.parseLong(authentication.getName());
-        System.out.println(accountId);
+
         return accountId;
     }
 
diff --git a/src/main/resources/application-rds.yaml b/src/main/resources/application-rds.yaml
index b38de52..0529474 100644
--- a/src/main/resources/application-rds.yaml
+++ b/src/main/resources/application-rds.yaml
@@ -6,5 +6,11 @@ spring:
     driver-class-name: org.mariadb.jdbc.Driver
     username: ${RDS_USERNAME}
     password: ${RDS_PASSWORD}
+    hikari:
+      connection-timeout: 300
+      validation-timeout: 300
+      minimum-idle: 3
+      max-lifetime: 180
+      maximum-pool-size: 20
 
 ##
\ No newline at end of file
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index 49e77c6..c9af509 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -7,5 +7,4 @@ spring:
     generate-ddl: true
     show-sql: true
     hibernate:
-      ddl-auto: update
-    ##
\ No newline at end of file
+      ddl-auto: update
\ No newline at end of file