diff --git a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/FileServerApplication.java b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/FileServerApplication.java
index ef9b67cb..303fb265 100644
--- a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/FileServerApplication.java
+++ b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/FileServerApplication.java
@@ -2,7 +2,9 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+@EnableJpaAuditing
 @SpringBootApplication(scanBasePackages = {
         "com.jootalkpia.file_server",
         "com.jootalkpia.passport",
diff --git a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/controller/FileController.java b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/controller/FileController.java
index 9ea07887..2b5b82e4 100644
--- a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/controller/FileController.java
+++ b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/controller/FileController.java
@@ -75,8 +75,8 @@ public ResponseEntity<?> uploadFileChunk(
             @RequestParam("tempFileIdentifier") String tempFileIdentifier,
             @RequestParam("totalChunks") Long totalChunks,
             @RequestParam("totalSize") Long totalSize,
-            @RequestParam("chunkInfo.chunkIndex") Long chunkIndex,
-            @RequestPart("chunkInfo.chunk") MultipartFile chunk) {
+            @RequestParam("chunkIndex") Long chunkIndex,
+            @RequestPart("chunk") MultipartFile chunk) {
 
         log.info("청크 업로드 요청: chunkIndex={}, totalChunks={}", chunkIndex, totalChunks);
 
diff --git a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/entity/Files.java b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/entity/Files.java
index 098b403a..704f88ac 100644
--- a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/entity/Files.java
+++ b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/entity/Files.java
@@ -11,16 +11,13 @@
 @Entity
 @Getter
 @Setter
-public class Files {
+public class Files extends BaseTimeEntity{
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long fileId;
-
     private String url;
     private String urlThumbnail;
     private String fileType;
     private Long fileSize;
     private String mimeType;
-    private LocalDateTime createdAt;
-    private LocalDateTime updatedAt;
 }
diff --git a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/service/FileService.java b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/service/FileService.java
index 334f8649..028013de 100644
--- a/src/backend/file_server/src/main/java/com/jootalkpia/file_server/service/FileService.java
+++ b/src/backend/file_server/src/main/java/com/jootalkpia/file_server/service/FileService.java
@@ -98,6 +98,7 @@ private UploadFileResponseDto finalizeFileUpload(String tempFileIdentifier, List
             filesEntity.setUrl(s3Url);
             filesEntity.setFileType(fileType);
             filesEntity.setFileSize(mergedFile.length());
+            filesEntity.setMimeType(fileTypeDetector.detectMimeType(mergedFile));
             fileRepository.save(filesEntity);
 
             // 임시 데이터 정리
@@ -181,7 +182,14 @@ public UploadFileResponseDto uploadFile(UploadFileRequestDto uploadFileRequestDt
             fileRepository.save(filesEntity);
             fileId = filesEntity.getFileId();
 
-            uploadEachFile(fileType, fileId, uploadFileRequestDto.getFile());
+            String s3Url = uploadEachFile(fileType, fileId, uploadFileRequestDto.getFile());
+
+            filesEntity.setUrl(s3Url);
+            filesEntity.setFileType(fileType);
+            filesEntity.setFileSize(uploadFileRequestDto.getFile().getSize());
+            filesEntity.setMimeType(uploadFileRequestDto.getFile().getContentType());
+
+            fileRepository.save(filesEntity);
             return new UploadFileResponseDto("200", "complete", fileId, fileType);
         } catch (Exception e) {
             throw new CustomException(ErrorCode.IMAGE_UPLOAD_FAILED.getCode(), ErrorCode.IMAGE_UPLOAD_FAILED.getMsg());