diff --git a/src/main/java/aws/teamthreefive/aws/s3/AmazonS3Manager.java b/src/main/java/aws/teamthreefive/aws/s3/AmazonS3Manager.java
index 39bc026..9525497 100644
--- a/src/main/java/aws/teamthreefive/aws/s3/AmazonS3Manager.java
+++ b/src/main/java/aws/teamthreefive/aws/s3/AmazonS3Manager.java
@@ -21,11 +21,11 @@ public class AmazonS3Manager {
     private final AmazonS3 amazonS3;
     private final AmazonConfig amazonConfig;
 
-    public String uploadFile(String KeyName, MultipartFile file){
+    public String uploadFileWithContentType(String KeyName, MultipartFile file){
         System.out.println(KeyName);
 
         ObjectMetadata metadata = new ObjectMetadata();
-        // metaData는 필수는 아니고 추가적인 정보를 담아주는 것입니다.
+        metadata.setContentType(file.getContentType());
         metadata.setContentLength(file.getSize());
 
         try {
diff --git a/src/main/java/aws/teamthreefive/diecast/service/DiecastCommandService.java b/src/main/java/aws/teamthreefive/diecast/service/DiecastCommandService.java
index ae9905c..66853ec 100644
--- a/src/main/java/aws/teamthreefive/diecast/service/DiecastCommandService.java
+++ b/src/main/java/aws/teamthreefive/diecast/service/DiecastCommandService.java
@@ -48,21 +48,13 @@ public Photo savePhoto(Long diecastUuid, DiecastRequestDTO.PhotoDTO request) {
                         .build()
         );
 
-        String photoUrl = s3Manager.uploadFile(s3Manager.generatePhotoKeyName(savedUuid), request.getPhotoFile());
+        String photoUrl = s3Manager.uploadFileWithContentType(s3Manager.generatePhotoKeyName(savedUuid), request.getPhotoFile());
 
         Photo photo = DiecastConverter.toPhoto(request, photoUrl);
 
         photo.setDiecast(diecastRepository.findById(diecastUuid).get());
 
-//        photo = PhotoConverter.toPhoto(fileUrl);
-
-        ///
-        //photo.setPhotoUrl(fileUrl);
-        ///
-
         return photoRepository.save(photo);
-//        return photoRepository.save(PhotoConverter.toPhoto(photoUrl, photo));
-//        return photoRepository.save(PhotoConverter.toPhoto(fileUrl));
 
     }
 
diff --git a/src/main/java/aws/teamthreefive/diecastvideo/dto/DiecastvideoRequestDTO.java b/src/main/java/aws/teamthreefive/diecastvideo/dto/DiecastvideoRequestDTO.java
index c030f47..14447c5 100644
--- a/src/main/java/aws/teamthreefive/diecastvideo/dto/DiecastvideoRequestDTO.java
+++ b/src/main/java/aws/teamthreefive/diecastvideo/dto/DiecastvideoRequestDTO.java
@@ -13,9 +13,8 @@ public class DiecastvideoRequestDTO {
     @Setter
     public static class DiecastvideoDTO {
         @NotNull
-//        String diecastvideoUrl;
         MultipartFile diecastvideo;
-//        List<MultipartFile> diecastvideo;
+//        String videoType;
     }
 
 }
diff --git a/src/main/java/aws/teamthreefive/diecastvideo/service/DiecastvideoCommandService.java b/src/main/java/aws/teamthreefive/diecastvideo/service/DiecastvideoCommandService.java
index 8130dc1..5d6afa6 100644
--- a/src/main/java/aws/teamthreefive/diecastvideo/service/DiecastvideoCommandService.java
+++ b/src/main/java/aws/teamthreefive/diecastvideo/service/DiecastvideoCommandService.java
@@ -25,7 +25,6 @@ public class DiecastvideoCommandService {
     private final AmazonS3Manager s3Manager;
 
     public Diecastvideo saveDiecastvideo(DiecastvideoRequestDTO.DiecastvideoDTO request) {
-        //Diecastvideo diecastvideo = DiecastvideoConverter.toDiecastvideo(request);
 
         String uuid = UUID.randomUUID().toString();
         Uuid savedUuid = uuidRepository.save(
@@ -34,9 +33,10 @@ public Diecastvideo saveDiecastvideo(DiecastvideoRequestDTO.DiecastvideoDTO requ
                         .build()
         );
 
-        String diecastvideoUrl = s3Manager.uploadFile(s3Manager.generateVideoKeyName(savedUuid), request.getDiecastvideo());
+        String diecastvideoUrl = s3Manager.uploadFileWithContentType(s3Manager.generateVideoKeyName(savedUuid), request.getDiecastvideo());
 
         return diecastvideoRepository.save(DiecastvideoConverter.toDiecastvideo(diecastvideoUrl));
+
     }