diff --git a/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostImageMapper.java b/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostImageMapper.java
index e2c366c..d795d9c 100644
--- a/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostImageMapper.java
+++ b/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostImageMapper.java
@@ -35,4 +35,16 @@ default List<PostImage> toEntityList(List<String> uploadedUrls, Post post) {
             .collect(Collectors.toList());
     }
 
+    // List<PostImage> → List<String> 변환
+    default List<String> toImageUrls(List<PostImage> postImages) {
+        if (postImages == null || postImages.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return postImages.stream()
+            .filter(img -> img.getDeletedAt() == null)
+            .map(PostImage::getImageUrl)
+            .collect(Collectors.toList());
+    }
+
 }
diff --git a/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostMapper.java b/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostMapper.java
index 00b01dd..6d5d86d 100644
--- a/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostMapper.java
+++ b/src/main/java/com/hyetaekon/hyetaekon/post/mapper/PostMapper.java
@@ -10,7 +10,7 @@
 import java.util.Objects;
 import java.util.stream.Collectors;
 
-@Mapper(componentModel = "spring", unmappedTargetPolicy = ReportingPolicy.IGNORE)
+@Mapper(componentModel = "spring", unmappedTargetPolicy = ReportingPolicy.IGNORE, uses = PostImageMapper.class)
 public interface PostMapper {
 
     // ✅ 게시글 목록용 DTO 변환
@@ -34,30 +34,13 @@ public interface PostMapper {
     @BeanMapping(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)
     void updatePostFromDto(PostUpdateRequestDto updateDto, @MappingTarget Post post);
 
-    // ✅ 게시글 상세 보기용 DTO (imageUrls 수동으로 처리)
-    // 상세용 DTO (default 메서드 내부에 userId 수동 추가)
-    default PostDetailResponseDto toPostDetailDto(Post post) {
-        return PostDetailResponseDto.builder()
-                .postId(post.getId())
-                .userId(post.getUser().getId()) // 🔥 추가
-                .nickName(post.getUser().getNickname())
-                .title(post.getTitle())
-                .content(post.getDisplayContent())
-                .createdAt(post.getCreatedAt())
-                .postType(post.getPostType().getKoreanName())
-                .recommendCnt(post.getRecommendCnt())
-                .viewCnt(post.getViewCnt())
-                .urlTitle(post.getUrlTitle())
-                .urlPath(post.getUrlPath())
-                .tags(post.getTags())
-                .imageUrls(
-                        post.getPostImages().stream()
-                                .filter(img -> img.getDeletedAt() == null)
-                                .map(PostImage::getImageUrl)
-                                .collect(Collectors.toList())
-                )
-                .recommended(false)
-                .build();
-    }
+    @Mapping(source = "id", target = "postId")
+    @Mapping(source = "user.id", target = "userId")
+    @Mapping(source = "user.nickname", target = "nickName")
+    @Mapping(target = "content", expression = "java(post.getDisplayContent())")
+    @Mapping(source = "postType.koreanName", target = "postType")
+    @Mapping(target = "recommended", constant = "false")
+    @Mapping(source = "postImages", target = "imageUrls")
+    PostDetailResponseDto toPostDetailDto(Post post);
 
 }
diff --git a/src/main/java/com/hyetaekon/hyetaekon/post/service/PostService.java b/src/main/java/com/hyetaekon/hyetaekon/post/service/PostService.java
index 7fa4b4e..5fc0c8e 100644
--- a/src/main/java/com/hyetaekon/hyetaekon/post/service/PostService.java
+++ b/src/main/java/com/hyetaekon/hyetaekon/post/service/PostService.java
@@ -141,7 +141,7 @@ public PostDetailResponseDto createPost(PostCreateRequestDto requestDto, Long us
             List<PostImage> postImages = processPostImages(requestDto.getImages(), savedPost);
             if (!postImages.isEmpty()) {
                 postImageRepository.saveAll(postImages);
-                savedPost.setPostImages(postImages); // ✅ 이 줄이 핵심
+                savedPost.setPostImages(postImages);
             }
         }
 
@@ -149,7 +149,7 @@ public PostDetailResponseDto createPost(PostCreateRequestDto requestDto, Long us
         userPointService.addPointForAction(userId, PointActionType.POST_CREATION);
         log.info("사용자 {}에게 게시글 작성 포인트가 부여되었습니다.", userId);
 
-        return postMapper.toPostDetailDto(savedPost); // ✅ Mapper가 imageUrls 포함해서 반환
+        return postMapper.toPostDetailDto(savedPost);
     }
 
 
@@ -177,21 +177,29 @@ public PostDetailResponseDto updatePost(Long postId, PostUpdateRequestDto update
 
         // 이미지 업데이트 처리
         if (updateDto.getImages() != null && !updateDto.getImages().isEmpty()) {
-            // 기존 이미지 soft delete 처리
-            List<PostImage> existingImages = postImageRepository.findByPostAndDeletedAtIsNull(post);
-            for (PostImage image : existingImages) {
-                image.softDelete();
-            }
-            postImageRepository.saveAll(existingImages);
+            updatePostImages(post, updateDto.getImages());
+        }
 
-            // 새 이미지 추가
-            List<PostImage> newImages = processPostImages(updateDto.getImages(), post);
-            if (!newImages.isEmpty()) {
-                postImageRepository.saveAll(newImages);
-            }
+        // 업데이트 후 최신 상태로 다시 조회
+        Post updatedPost = postRepository.findByIdAndDeletedAtIsNull(postId)
+            .orElseThrow(() -> new EntityNotFoundException("게시글을 찾을 수 없습니다"));
+
+        return postMapper.toPostDetailDto(updatedPost);
+    }
+
+    private void updatePostImages(Post post, List<MultipartFile> newImages) {
+        // 기존 이미지 soft delete 처리
+        List<PostImage> existingImages = postImageRepository.findByPostAndDeletedAtIsNull(post);
+        for (PostImage image : existingImages) {
+            image.softDelete();
         }
+        postImageRepository.saveAll(existingImages);
 
-        return postMapper.toPostDetailDto(post);
+        // 새 이미지 추가
+        List<PostImage> newPostImages = processPostImages(newImages, post);
+        if (!newPostImages.isEmpty()) {
+            postImageRepository.saveAll(newPostImages);
+        }
     }
 
     /**
diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
deleted file mode 100644
index e69de29..0000000