diff --git a/src/docs/asciidoc/posts.adoc b/src/docs/asciidoc/posts.adoc
index 54301e7e..7087793d 100644
--- a/src/docs/asciidoc/posts.adoc
+++ b/src/docs/asciidoc/posts.adoc
@@ -24,13 +24,13 @@ operation::post-controller-test/find-post_share-url[snippets='http-request,curl-
 operation::post-controller-test/find-vote-status[snippets='http-request,curl-request,request-headers,path-parameters,http-response,response-fields']
 
 
-[[내가-작성한-게시글-조회]]
-=== `GET` 내가 작성한 게시글 조회
+[[유저가-작성한-게시글-조회]]
+=== `GET` 유저가 작성한 게시글 조회
 
 operation::post-controller-test/find-my-post[snippets='http-request,curl-request,query-parameters,request-headers,http-response,response-fields']
 
-[[내가-참여한-게시글-조회]]
-=== `GET` 내가 참여한 게시글 조회
+[[유저가-참여한-게시글-조회]]
+=== `GET` 유저가 참여한 게시글 조회
 
 operation::post-controller-test/find-voted-post[snippets='http-request,curl-request,query-parameters,request-headers,http-response,response-fields']
 
diff --git a/src/main/java/com/swyp8team2/common/dev/DataInitializer.java b/src/main/java/com/swyp8team2/common/dev/DataInitializer.java
index a99ff0f1..2328c4ef 100644
--- a/src/main/java/com/swyp8team2/common/dev/DataInitializer.java
+++ b/src/main/java/com/swyp8team2/common/dev/DataInitializer.java
@@ -83,7 +83,7 @@ public void init() {
             for (int j = 0; j < 30; j += 2) {
                 ImageFile imageFile1 = imageFileRepository.save(ImageFile.create(new ImageFileDto("202502240006030.png", "https://image.photopic.site/images-dev/202502240006030.png", "https://image.photopic.site/images-dev/resized_202502240006030.png")));
                 ImageFile imageFile2 = imageFileRepository.save(ImageFile.create(new ImageFileDto("202502240006030.png", "https://image.photopic.site/images-dev/202502240006030.png", "https://image.photopic.site/images-dev/resized_202502240006030.png")));
-                Post post = postRepository.save(Post.create(user.getId(), "description" + j, List.of(PostImage.create("뽀또 A", imageFile1.getId()), PostImage.create("뽀또 B", imageFile2.getId()))));
+                Post post = postRepository.save(Post.create(user.getId(), "description" + j, List.of(PostImage.create("뽀또A", imageFile1.getId()), PostImage.create("뽀또B", imageFile2.getId()))));
                 post.setShareUrl(shaereUrlCryptoService.encrypt(String.valueOf(post.getId())));
                 posts.add(post);
             }
diff --git a/src/main/java/com/swyp8team2/post/application/PostImageNameGenerator.java b/src/main/java/com/swyp8team2/post/application/PostImageNameGenerator.java
index b764e035..ab1edd99 100644
--- a/src/main/java/com/swyp8team2/post/application/PostImageNameGenerator.java
+++ b/src/main/java/com/swyp8team2/post/application/PostImageNameGenerator.java
@@ -16,6 +16,6 @@ public String generate() {
         if (index >= alphabets.length) {
             throw new InternalServerException(ErrorCode.POST_IMAGE_NAME_GENERATOR_INDEX_OUT_OF_BOUND);
         }
-        return "뽀또 " + alphabets[index++];
+        return "뽀또" + alphabets[index++];
     }
 }
diff --git a/src/main/java/com/swyp8team2/post/domain/Post.java b/src/main/java/com/swyp8team2/post/domain/Post.java
index 6105b2b9..79ff5700 100644
--- a/src/main/java/com/swyp8team2/post/domain/Post.java
+++ b/src/main/java/com/swyp8team2/post/domain/Post.java
@@ -57,7 +57,7 @@ public Post(Long id, Long userId, String description, Status status, List<PostIm
     }
 
     private void validatePostImages(List<PostImage> images) {
-        if (images.size() < 2) {
+        if (images.size() < 2 || images.size() > 9) {
             throw new BadRequestException(ErrorCode.INVALID_POST_IMAGE_COUNT);
         }
     }
diff --git a/src/test/java/com/swyp8team2/post/application/PostImageNameGeneratorTest.java b/src/test/java/com/swyp8team2/post/application/PostImageNameGeneratorTest.java
index 8f763b94..626bb21f 100644
--- a/src/test/java/com/swyp8team2/post/application/PostImageNameGeneratorTest.java
+++ b/src/test/java/com/swyp8team2/post/application/PostImageNameGeneratorTest.java
@@ -26,7 +26,7 @@ void generate() throws Exception {
         String generate2 = postImageNameGenerator.generate();
 
         //then
-        assertThat(generate1).isEqualTo("뽀또 A");
-        assertThat(generate2).isEqualTo("뽀또 B");
+        assertThat(generate1).isEqualTo("뽀또A");
+        assertThat(generate2).isEqualTo("뽀또B");
     }
 }
diff --git a/src/test/java/com/swyp8team2/post/application/PostServiceTest.java b/src/test/java/com/swyp8team2/post/application/PostServiceTest.java
index af97d0a1..b85b73ee 100644
--- a/src/test/java/com/swyp8team2/post/application/PostServiceTest.java
+++ b/src/test/java/com/swyp8team2/post/application/PostServiceTest.java
@@ -87,10 +87,10 @@ void create() throws Exception {
                 () -> assertThat(post.getShareUrl()).isEqualTo(shareUrl),
                 () -> assertThat(images).hasSize(2),
                 () -> assertThat(images.get(0).getImageFileId()).isEqualTo(1L),
-                () -> assertThat(images.get(0).getName()).isEqualTo("뽀또 A"),
+                () -> assertThat(images.get(0).getName()).isEqualTo("뽀또A"),
                 () -> assertThat(images.get(0).getVoteCount()).isEqualTo(0),
                 () -> assertThat(images.get(1).getImageFileId()).isEqualTo(2L),
-                () -> assertThat(images.get(1).getName()).isEqualTo("뽀또 B"),
+                () -> assertThat(images.get(1).getName()).isEqualTo("뽀또B"),
                 () -> assertThat(images.get(1).getVoteCount()).isEqualTo(0)
         );
     }