diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/booth/controller/BoothController.java b/src/main/java/LlikelionKNU/KNUfest/domain/booth/controller/BoothController.java
index a0e0b9c..df15d74 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/booth/controller/BoothController.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/booth/controller/BoothController.java
@@ -9,6 +9,8 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDateTime;
+
 @RestController
 @RequestMapping("api/v1/booth")
 @RequiredArgsConstructor
@@ -35,14 +37,16 @@ public ResponseEntity<BoothDetail> getBooth(
     }
 
     @PatchMapping("{boothId}")
-    @Operation(summary = "특정 부스 좋아요 업데이트", description = "특정 부스의 좋아요를 +1 한다.")
+    @Operation(summary = "특정 부스 좋아요 업데이트", description = "특정 부스의 좋아요를 변경한다.")
     public ResponseEntity<BasicResponse> updateLikes(
-            @PathVariable("boothId") Long boothId
+            @PathVariable("boothId") Long boothId,
+            @RequestParam("userHash") String userHash
     ){
-        service.updateLikes(boothId);
+        String message = service.updateLikes(boothId, userHash);
         BasicResponse response = BasicResponse.builder()
-                .message("좋아요를 성공적으로 업데이트(+1) 하였습니다.")
+                .message(message)
                 .status(200)
+                .timeStamp(LocalDateTime.now())
                 .build();
         return ResponseEntity.ok().body(response);
     }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/booth/entity/BoothEntity.java b/src/main/java/LlikelionKNU/KNUfest/domain/booth/entity/BoothEntity.java
index 5b07d2f..34d2956 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/booth/entity/BoothEntity.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/booth/entity/BoothEntity.java
@@ -29,8 +29,8 @@ public class BoothEntity extends BasicEntity {
     @OneToMany(mappedBy = "booth", fetch = FetchType.LAZY)
     private List<CommentEntity> commentEntityList;
 
-    @OneToMany(mappedBy = "boothEntity", fetch = FetchType.LAZY)
-    private UserBoothEntity userBoothEntity;
+    @OneToMany(mappedBy = "booth", fetch = FetchType.LAZY)
+    private List<UserBoothEntity> userBoothEntity;
 
     @ElementCollection
     @CollectionTable(
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothService.java b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothService.java
index 7c56400..c06f3df 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothService.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothService.java
@@ -2,10 +2,13 @@
 
 import LlikelionKNU.KNUfest.domain.booth.dto.AllBooth;
 import LlikelionKNU.KNUfest.domain.booth.dto.BoothDetail;
+import LlikelionKNU.KNUfest.domain.booth.entity.BoothEntity;
 
 public interface BoothService {
     AllBooth getAllbooth(String userHash);
     BoothDetail getBooth(Long id, String userHash);
-    void updateLikes(Long id);
+    String updateLikes(Long id, String userHash);
+
+    BoothEntity findById(Long id);
 
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
index 5a02557..bb11e85 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
@@ -7,9 +7,9 @@
 import LlikelionKNU.KNUfest.domain.booth.repository.BoothRepository;
 import LlikelionKNU.KNUfest.domain.comment.service.CommentService;
 import LlikelionKNU.KNUfest.domain.user.entity.UserBoothEntity;
-import LlikelionKNU.KNUfest.domain.user.service.UserBoothService;
+import LlikelionKNU.KNUfest.domain.user.entity.UserEntity;
+import LlikelionKNU.KNUfest.domain.user.repository.UserBoothRepository;
 import LlikelionKNU.KNUfest.domain.user.service.UserService;
-import LlikelionKNU.KNUfest.domain.user.service.UserServiceImpl;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -23,8 +23,9 @@
 public class BoothServiceImpl implements BoothService{
 
     private final BoothRepository boothrepository;
+    private final UserBoothRepository userBoothRepository;
+
     private final CommentService commentService;
-    private final UserBoothService userBoothService;
     private final UserService userService;
 
     @Override
@@ -33,8 +34,7 @@ public AllBooth getAllbooth(String userHash) {
         List<BoothEntity> boothes = boothrepository.findAll();
         List<Booth> boothDtos;
 
-        List<UserBoothEntity> userBoothEntityList = userBoothService.getAllUserBooth(
-                userService.getUserByHash(userHash).getId());
+        List<UserBoothEntity> userBoothEntityList = userBoothRepository.findAllByUserId(userService.getUserByHash(userHash).getId());
 
         if(boothes.isEmpty()) {
             throw new NoExistException("부스 전체 정보가 없습니다.");
@@ -49,12 +49,15 @@ public AllBooth getAllbooth(String userHash) {
                         .build());
             }
 
-            for(UserBoothEntity userBooth : userBoothEntityList){
-                Booth tempbooth = boothDtos.get(userBooth.getBoothEntity().getId().intValue());
-                tempbooth.setLikable(false);
-                boothDtos.set(userBooth.getBoothEntity().getId().intValue(), tempbooth);
+            if(!userBoothEntityList.isEmpty()){
+                for(UserBoothEntity userBooth : userBoothEntityList){
+                    Booth tempbooth = boothDtos.get(userBooth.getBooth().getId().intValue()-1);
+                    tempbooth.setLikable(false);
+                    boothDtos.set(userBooth.getBooth().getId().intValue()-1, tempbooth);
+                }
             }
 
+
             return AllBooth.builder()
                     .count(boothDtos.size())
                     .boothDtoes(boothDtos)
@@ -63,41 +66,83 @@ public AllBooth getAllbooth(String userHash) {
     }
 
     @Override
-    public BoothDetail getBooth(Long id, String userHash) {
-        Optional<BoothEntity> boothOp = boothrepository.findById(id);
-
-        Optional<UserBoothEntity> userBoothEntity = userBoothService.getUserBooth(id, userService.getUserByHash(userHash).getId());
+    public BoothDetail getBooth(Long boothId, String userHash) {
+        Optional<BoothEntity> boothOp;
 
-        boolean temp = userBoothEntity.isEmpty();
+        Optional<UserBoothEntity> userBoothEntity = userBoothRepository.findByUserIdAndBoothId(userService.getUserByHash(userHash).getId(), boothId);
+        BoothEntity booth;
 
-        if(boothOp.isEmpty()){
-            throw new NoExistException("해당 부스 정보가 없습니다. (id 확인요망)");
+        boolean temp;
+        if(userBoothEntity.isEmpty()){
+            boothOp = boothrepository.findById(boothId);
+            temp = true;
+            if(boothOp.isEmpty()){
+                throw new NoExistException("해당 부스 정보가 없습니다. (id 확인요망)");
+            }else{
+                booth = boothOp.get();
+            }
         }else{
-            BoothEntity booth = boothOp.get();
-
+            temp = false;
+            booth = userBoothEntity.get().getBooth();
+        }
             return BoothDetail.builder()
                     .id(booth.getId())
                     .boothName(booth.getBoothName())
                     .likes(booth.getLikes())
                     .urls(booth.getUrls())
                     .Likable(temp)
-                    .comments(commentService.getCommentPage(boothOp.get().getId(),5,1, "default"))
+                    .comments(commentService.getCommentPage(booth.getId(),5,1, "default", userHash))
                     .build();
-        }
     }
 
     @Override
-    public void updateLikes(Long id) {
+    public String updateLikes(Long boothId, String userHash) {
+
+        UserEntity user = userService.getUserByHash(userHash);
+        Optional<UserBoothEntity> userBoothEntity = userBoothRepository.findByUserIdAndBoothId(user.getId(), boothId);
+        UserBoothEntity userBooth;
 
-        Optional<BoothEntity> boothOp = boothrepository.findById(id);
         BoothEntity booth;
 
+        if(userBoothEntity.isEmpty()){
+            Optional<BoothEntity> boothOp = boothrepository.findById(boothId);
+
+            if(boothOp.isEmpty()){
+                throw new NoExistException("해당 부스 정보가 없습니다. (id 확인 요망)");
+            }else{
+                booth = boothOp.get();
+                booth.setLikes(booth.getLikes()+1);
+                boothrepository.save(booth);
+
+                userBooth = UserBoothEntity.builder()
+                        .booth(booth)
+                        .user(user)
+                        .build();
+
+                userBoothRepository.save(userBooth);
+                return "좋아요를 업데이트(+1) 하였습니다.";
+            }
+
+
+        }else{
+            booth = userBoothEntity.get().getBooth();
+            booth.setLikes(booth.getLikes()-1);
+            boothrepository.save(booth);
+
+            userBoothRepository.delete(userBoothEntity.get());
+
+            return "좋아요를 업데이트(-1) 하였습니다.";
+        }
+
+    }
+
+    @Override
+    public BoothEntity findById(Long id){
+        Optional<BoothEntity> boothOp = boothrepository.findById(id);
         if(boothOp.isEmpty()){
             throw new NoExistException("해당 부스 정보가 없습니다. (id 확인 요망)");
         }else{
-            booth = boothOp.get();
-            booth.setLikes(booth.getLikes()+1);
-            boothrepository.save(booth);
+            return boothOp.get();
         }
     }
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/controller/CommentController.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/controller/CommentController.java
index d4782bb..fe45286 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/controller/CommentController.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/controller/CommentController.java
@@ -10,6 +10,7 @@
 import org.springframework.web.bind.annotation.*;
 
 import java.net.URI;
+import java.time.LocalDateTime;
 import java.util.List;
 
 @RestController
@@ -23,9 +24,10 @@ public ResponseEntity<List<Comment>> getExtraCommentPage(
             @PathVariable("boothId") Long boothId,
             @RequestParam("perpage") int perpage,
             @RequestParam("page") int page,
-            @RequestParam("order") String order
+            @RequestParam("order") String order,
+            @RequestParam("userHash") String userHash
     ){
-        List<Comment> result = service.getCommentPage(boothId, perpage, page, order);
+        List<Comment> result = service.getCommentPage(boothId, perpage, page, order, userHash);
         return ResponseEntity.ok().body(result);
     }
 
@@ -33,31 +35,33 @@ public ResponseEntity<List<Comment>> getExtraCommentPage(
     @Operation(summary = "특정부스 댓글 생성", description = "특정 부스에 댓글을 생성한다.")
     public ResponseEntity<BasicResponse> postComment(
             @PathVariable("boothId") Long boothId,
-            @RequestBody CommentRequest comment
+            @RequestParam("userHash") String userHash,
+            @RequestBody CommentRequest commentRequest
     ){
 
-        Long id = service.postComment(boothId, comment);
+        Long id = service.postComment(boothId, commentRequest, userHash);
 
         BasicResponse response = BasicResponse.builder()
-                .message(boothId+"번 부스에 댓글을 생성하였습니다.")
+                .message(boothId+"번 부스에 " + id + "번째 댓글을 생성하였습니다.")
                 .status(201)
+                .timeStamp(LocalDateTime.now())
                 .build();
 
         return ResponseEntity.created(URI.create("comment"+id)).body(response);
     }
 
     @DeleteMapping("comment/{commentId}")
-    @Operation(summary = "특정 댓글 삭제", description = "특정 댓글을 password 가 일치할 경우 삭제한다.")
+    @Operation(summary = "특정 댓글 삭제", description = "특정 댓글을 userHash 값을 통해 비교하여 삭제한다.")
     public ResponseEntity<BasicResponse> deleteComment(
             @PathVariable("commentId") Long commentId,
-            @RequestParam("password") String password
+            @RequestParam("userHash") String userHash
     ){
-
-        service.deleteComment(commentId, password);
+        service.deleteComment(commentId, userHash);
 
         BasicResponse basicResponse = BasicResponse.builder()
                 .message("성공적으로 삭제되었습니다.")
                 .status(200)
+                .timeStamp(LocalDateTime.now())
                 .build();
 
         return ResponseEntity.ok().body(basicResponse);
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/Comment.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/Comment.java
index d9573c2..ba5e07c 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/Comment.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/Comment.java
@@ -2,10 +2,12 @@
 
 import LlikelionKNU.KNUfest.domain.booth.entity.BoothEntity;
 import LlikelionKNU.KNUfest.domain.comment.entity.CommentEntity;
+import LlikelionKNU.KNUfest.domain.user.entity.UserEntity;
 import lombok.Builder;
 import lombok.Data;
 
 import java.time.Instant;
+import java.time.LocalDateTime;
 
 @Data
 @Builder
@@ -13,15 +15,15 @@ public class Comment {
     private Long id;
     private String name;
     private String comment;
-    private String password;
-    private Instant created;
+    private LocalDateTime created;
+    private Boolean deleteable;
 
-    public CommentEntity toEntity(BoothEntity booth){
+    public static CommentEntity toEntity(CommentRequest commentRequest, BoothEntity booth, UserEntity user){
         return CommentEntity.builder()
-                .name(this.name)
-                .password(this.password)
-                .comment(this.comment)
+                .name(commentRequest.getName())
+                .comment(commentRequest.getComment())
                 .booth(booth)
+                .user(user)
                 .build();
     }
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/CommentRequest.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/CommentRequest.java
index ddb11fd..bbf3dcc 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/CommentRequest.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/dto/CommentRequest.java
@@ -8,5 +8,4 @@
 public class CommentRequest {
     private String name;
     private String comment;
-    private String password;
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/entity/CommentEntity.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/entity/CommentEntity.java
index 884d1e1..ef38bfb 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/entity/CommentEntity.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/entity/CommentEntity.java
@@ -3,6 +3,7 @@
 
 import LlikelionKNU.KNUfest.domain.booth.entity.BoothEntity;
 import LlikelionKNU.KNUfest.domain.comment.dto.Comment;
+import LlikelionKNU.KNUfest.domain.user.entity.UserEntity;
 import LlikelionKNU.KNUfest.global.basic.BasicEntity;
 import jakarta.persistence.*;
 import lombok.*;
@@ -23,18 +24,18 @@ public class CommentEntity extends BasicEntity {
     @Column(name = "comment")
     private String comment;
 
-    @Column(name = "password", length = 10)
-    private String password;
-
     @ManyToOne(fetch = FetchType.EAGER)
-    @JoinColumn(name = "booth_id")
+    @JoinColumn(name = "boothId")
     private BoothEntity booth;
 
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "userId")
+    private UserEntity user;
+
     public Comment toDto(){
         return Comment.builder()
                 .id(this.getId())
                 .name(this.name)
-                .password(this.password)
                 .comment(this.comment)
                 .created(this.getCreatedAt())
                 .build();
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentService.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentService.java
index e112c3f..adf4178 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentService.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentService.java
@@ -6,8 +6,8 @@
 import java.util.List;
 
 public interface CommentService {
-    List<Comment> getCommentPage(Long boothId, int perpage, int page, String order);
-    Long postComment(Long id, CommentRequest comment);
+    List<Comment> getCommentPage(Long boothId, int perpage, int page, String order, String userHash);
+    Long postComment(Long id, CommentRequest comment, String userHash);
     void deleteComment(Long commentId, String password);
 
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
index 3dbbd2b..5ede49c 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
@@ -6,8 +6,10 @@
 import LlikelionKNU.KNUfest.domain.comment.dto.CommentRequest;
 import LlikelionKNU.KNUfest.domain.comment.entity.CommentEntity;
 import LlikelionKNU.KNUfest.domain.comment.repository.CommentRepository;
+import LlikelionKNU.KNUfest.domain.user.entity.UserEntity;
+import LlikelionKNU.KNUfest.domain.user.service.UserService;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
-import LlikelionKNU.KNUfest.global.error.PasswordWrongException;
+import LlikelionKNU.KNUfest.global.error.UserHashWrongException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -19,64 +21,77 @@
 @RequiredArgsConstructor
 public class CommentServiceImpl implements CommentService{
     private final CommentRepository commentRepository;
+
     private final BoothRepository boothRepository;
+    private final UserService userService;
+
+
     @Override
-    public List<Comment> getCommentPage(Long boothId, int perpage, int page, String order) {
+    public List<Comment> getCommentPage(Long boothId, int perpage, int page, String order, String userHash) {
 
         Optional<BoothEntity> boothOp =  boothRepository.findById(boothId);
-        List<CommentEntity> comments;
-        List<Comment> result;
-
+        BoothEntity booth;
         if(boothOp.isEmpty()){
-            throw new NoExistException("댓글을 불러올 부스 정보가 없습니다. (id 확인 요망)");
+            throw new NoExistException("해당 부스 정보가 없습니다. (id 확인 요망)");
         }else{
-            result = new ArrayList<>();
+            booth = boothOp.get();
+        }
 
-            int offset = (page-1) * perpage;
+        List<CommentEntity> comments;
+        List<Comment> result = new ArrayList<>();
 
-            if(order.equals("desc")){
-                comments = commentRepository.findAllOrderByIdDESC(boothId, perpage, offset);
-            }else{
-                comments = commentRepository.findAllOrderById(boothId, perpage, offset);
-            }
-            for(CommentEntity c: comments){
-                result.add(c.toDto());
+        int offset = (page-1) * perpage;
+
+        if(order.equals("desc")){
+            comments = commentRepository.findAllOrderByIdDESC(booth.getId(), perpage, offset);
+        }else{
+            comments = commentRepository.findAllOrderById(booth.getId(), perpage, offset);
+        }
+
+        if(!comments.isEmpty()) {
+            for (CommentEntity c : comments) {
+                Comment comment = c.toDto();
+                if (c.getUser().getUserHash().equals(userHash)) {
+                    comment.setDeleteable(true);
+                } else {
+                    comment.setDeleteable(false);
+                }
+                result.add(comment);
             }
-            return result;
         }
+        return result;
+
     }
 
     @Override
-    public Long postComment(Long boothId, CommentRequest commentRequest) {
+    public Long postComment(Long boothId, CommentRequest commentRequest, String userHash) {
 
-        Optional<BoothEntity> boothOp =  boothRepository.findById(boothId);
-
-        Comment comment = Comment.builder()
-                .name(commentRequest.getName())
-                .comment(commentRequest.getComment())
-                .password(commentRequest.getPassword())
-                .build();
 
+        UserEntity user = userService.getUserByHash(userHash);
+        Optional<BoothEntity> boothOp =  boothRepository.findById(boothId);
+        BoothEntity booth;
         if(boothOp.isEmpty()){
-            throw new NoExistException("댓글을 추가할 부스 정보가 없습니다. (id 확인 요망)");
+            throw new NoExistException("해당 부스 정보가 없습니다. (id 확인 요망)");
         }else{
-            CommentEntity newComment = comment.toEntity(boothOp.get());
-            commentRepository.save(newComment);
-            return newComment.getId();
+            booth = boothOp.get();
         }
+
+        CommentEntity newComment = Comment.toEntity(commentRequest, booth, user);
+        commentRepository.save(newComment);
+        return newComment.getId();
     }
 
     @Override
-    public void deleteComment(Long commentId, String password) {
+    public void deleteComment(Long commentId, String userHash) {
         Optional<CommentEntity> commentOp = commentRepository.findById(commentId);
 
         if(commentOp.isEmpty()) {
             throw new NoExistException("해당 댓글은 없습니다. (id 확인 요망)");
         }else{
-            if(commentOp.get().getPassword().equals(password)){
+            if(commentOp.get().getUser().getUserHash().equals(userHash)){
                 commentRepository.delete(commentOp.get());
             }else{
-                throw new PasswordWrongException("비밀번호가 틀렸습니다.");
+                throw new UserHashWrongException("userHash 값이 일치하지 않습니다.");
             }
         }
     }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserBoothEntity.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserBoothEntity.java
index 813dcf6..e8a8880 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserBoothEntity.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserBoothEntity.java
@@ -2,10 +2,7 @@
 
 import LlikelionKNU.KNUfest.domain.booth.entity.BoothEntity;
 import LlikelionKNU.KNUfest.global.basic.BasicEntity;
-import jakarta.persistence.Entity;
-import jakarta.persistence.FetchType;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
+import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -16,14 +13,15 @@
 @Entity
 @NoArgsConstructor
 @AllArgsConstructor
+@Table(name = "likes")
 public class UserBoothEntity extends BasicEntity {
 
     @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "userId")
-    private UserEntity userEntity;
+    private UserEntity user;
 
     @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "boothId")
-    private BoothEntity boothEntity;
+    private BoothEntity booth;
 
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserEntity.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserEntity.java
index 560bd99..ce89e1d 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserEntity.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/user/entity/UserEntity.java
@@ -1,6 +1,7 @@
 package LlikelionKNU.KNUfest.domain.user.entity;
 
 
+import LlikelionKNU.KNUfest.domain.comment.entity.CommentEntity;
 import LlikelionKNU.KNUfest.global.basic.BasicEntity;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
@@ -8,16 +9,22 @@
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.util.List;
+
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
 @Builder
 @Entity
+@Table(name="users")
 public class UserEntity extends BasicEntity {
 
     @Column(name = "userHash")
     private String userHash;
 
-    @OneToMany(mappedBy = "userEntity", fetch = FetchType.LAZY, cascade = CascadeType.ALL)
-    private UserBoothEntity userBooth;
+    @OneToMany(mappedBy = "user", fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    private List<UserBoothEntity> userBoothes;
+
+    @OneToMany(mappedBy = "user", fetch = FetchType.LAZY)
+    private List<CommentEntity> comments;
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothService.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothService.java
deleted file mode 100644
index 2ddac37..0000000
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothService.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package LlikelionKNU.KNUfest.domain.user.service;
-
-
-import LlikelionKNU.KNUfest.domain.booth.dto.Booth;
-import LlikelionKNU.KNUfest.domain.user.entity.UserBoothEntity;
-
-import java.util.List;
-import java.util.Optional;
-
-public interface UserBoothService {
-    List<UserBoothEntity> getAllUserBooth(Long userId);
-    Optional<UserBoothEntity> getUserBooth(Long userId, Long boothId);
-}
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothServiceImpl.java
deleted file mode 100644
index 70dd05d..0000000
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserBoothServiceImpl.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package LlikelionKNU.KNUfest.domain.user.service;
-
-import LlikelionKNU.KNUfest.domain.booth.dto.Booth;
-import LlikelionKNU.KNUfest.domain.user.entity.UserBoothEntity;
-import LlikelionKNU.KNUfest.domain.user.repository.UserBoothRepository;
-import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Service;
-
-import java.util.List;
-import java.util.Optional;
-
-@Service
-@RequiredArgsConstructor
-public class UserBoothServiceImpl implements UserBoothService{
-
-    private final UserBoothRepository userBoothRepository;
-
-    @Override
-    public List<UserBoothEntity> getAllUserBooth(Long userId) {
-        return userBoothRepository.findAllByUserId(userId);
-    }
-
-    @Override
-    public Optional<UserBoothEntity> getUserBooth(Long userId, Long boothId) {
-        return userBoothRepository.findByUserIdAndBoothId(userId, boothId);
-    }
-
-
-}
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
index 23cd017..8cf57ff 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
@@ -12,8 +12,6 @@
 @RequiredArgsConstructor
 public class UserServiceImpl implements UserService{
     private final UserRepository userRepository;
-
-
     @Override
     public UserEntity getUserByHash(String userHash) {
 
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicEntity.java b/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicEntity.java
index 75a0151..9be5b26 100644
--- a/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicEntity.java
+++ b/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicEntity.java
@@ -4,12 +4,10 @@
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.annotation.LastModifiedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-
-import java.time.Instant;
+import java.time.LocalDateTime;
 
 @MappedSuperclass
 @EntityListeners(AuditingEntityListener.class)
@@ -24,10 +22,10 @@ public class BasicEntity {
 
     @CreatedDate
     @Column(updatable = false)
-    private Instant createdAt;
+    private LocalDateTime createdAt;
 
     @LastModifiedDate
     @Column(updatable = true)
-    private Instant updatedAt;
+    private LocalDateTime updatedAt;
 
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicResponse.java b/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicResponse.java
index 32f8104..06b64b7 100644
--- a/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicResponse.java
+++ b/src/main/java/LlikelionKNU/KNUfest/global/basic/BasicResponse.java
@@ -5,6 +5,8 @@
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 
+import java.time.LocalDateTime;
+
 @Data
 @Builder
 @RequiredArgsConstructor
@@ -12,4 +14,5 @@
 public class BasicResponse {
     private int status;
     private String message;
+    private LocalDateTime timeStamp;
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/error/CustomExceptionHandler.java b/src/main/java/LlikelionKNU/KNUfest/global/error/CustomExceptionHandler.java
index 0e478ec..12b9e6b 100644
--- a/src/main/java/LlikelionKNU/KNUfest/global/error/CustomExceptionHandler.java
+++ b/src/main/java/LlikelionKNU/KNUfest/global/error/CustomExceptionHandler.java
@@ -1,13 +1,13 @@
 package LlikelionKNU.KNUfest.global.error;
 
 
-import org.apache.coyote.Response;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
+import java.time.LocalDateTime;
 import java.util.Date;
 
 @RestControllerAdvice
@@ -18,19 +18,19 @@ public ResponseEntity<ErrorMessage> NoExistException(NoExistException ex){
             ErrorMessage message = ErrorMessage.builder()
                 .status(HttpStatus.NOT_FOUND.value())
                 .message(ex.getMessage())
-                .timeStamp(new Date())
+                .timeStamp(LocalDateTime.now())
                 .build();
 
             return ResponseEntity.status(HttpStatus.NOT_FOUND).body(message);
     }
 
-    @ExceptionHandler(PasswordWrongException.class)
+    @ExceptionHandler(UserHashWrongException.class)
     @ResponseStatus(HttpStatus.NOT_ACCEPTABLE)
-    public ResponseEntity<ErrorMessage> PasswordWrongException(PasswordWrongException ex){
+    public ResponseEntity<ErrorMessage> PasswordWrongException(UserHashWrongException ex){
             ErrorMessage message = ErrorMessage.builder()
                     .status(HttpStatus.NOT_ACCEPTABLE.value())
                     .message(ex.getMessage())
-                    .timeStamp(new Date())
+                    .timeStamp(LocalDateTime.now())
                     .build();
 
             return ResponseEntity.status(HttpStatus.NOT_ACCEPTABLE).body(message);
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/error/ErrorMessage.java b/src/main/java/LlikelionKNU/KNUfest/global/error/ErrorMessage.java
index f470249..01d4eb5 100644
--- a/src/main/java/LlikelionKNU/KNUfest/global/error/ErrorMessage.java
+++ b/src/main/java/LlikelionKNU/KNUfest/global/error/ErrorMessage.java
@@ -2,6 +2,7 @@
 
 import lombok.*;
 
+import java.time.LocalDateTime;
 import java.util.Date;
 
 @Data
@@ -9,5 +10,5 @@
 public class ErrorMessage {
     private int status;
     private String message;
-    private Date timeStamp;
+    private LocalDateTime timeStamp;
 }
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/error/PasswordWrongException.java b/src/main/java/LlikelionKNU/KNUfest/global/error/PasswordWrongException.java
deleted file mode 100644
index 5281e7c..0000000
--- a/src/main/java/LlikelionKNU/KNUfest/global/error/PasswordWrongException.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package LlikelionKNU.KNUfest.global.error;
-
-public class PasswordWrongException extends RuntimeException{
-    public PasswordWrongException(String message){
-        super(message);
-    }
-}
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/error/UserHashWrongException.java b/src/main/java/LlikelionKNU/KNUfest/global/error/UserHashWrongException.java
new file mode 100644
index 0000000..b9758da
--- /dev/null
+++ b/src/main/java/LlikelionKNU/KNUfest/global/error/UserHashWrongException.java
@@ -0,0 +1,7 @@
+package LlikelionKNU.KNUfest.global.error;
+
+public class UserHashWrongException extends RuntimeException{
+    public UserHashWrongException(String message){
+        super(message);
+    }
+}
diff --git a/src/main/java/LlikelionKNU/KNUfest/global/time/controller/TimeController.java b/src/main/java/LlikelionKNU/KNUfest/global/time/controller/TimeController.java
index b03320c..dc122fb 100644
--- a/src/main/java/LlikelionKNU/KNUfest/global/time/controller/TimeController.java
+++ b/src/main/java/LlikelionKNU/KNUfest/global/time/controller/TimeController.java
@@ -8,12 +8,13 @@
 import org.springframework.web.bind.annotation.RestController;
 
 import java.time.Instant;
+import java.time.LocalDateTime;
 
 @RestController("api/v1")
 public class TimeController {
     @GetMapping("time")
     @Operation(summary = "서버 시간 조회", description = "서버 현재 시간을 보내준다.")
-    public ResponseEntity<Instant> getServerTime(){
-        return ResponseEntity.ok().body(Instant.now());
+    public ResponseEntity<LocalDateTime> getServerTime(){
+        return ResponseEntity.ok().body(LocalDateTime.now());
     }
 }