diff --git a/src/main/java/capstone/relation/GoodRelationApplication.java b/src/main/java/capstone/relation/GoodRelationApplication.java
index 4b67778..859405c 100644
--- a/src/main/java/capstone/relation/GoodRelationApplication.java
+++ b/src/main/java/capstone/relation/GoodRelationApplication.java
@@ -1,6 +1,5 @@
 package capstone.relation;
 
-import org.bson.Document;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
diff --git a/src/main/java/capstone/relation/document/controller/DocsController.java b/src/main/java/capstone/relation/document/controller/DocsController.java
index 09fb6cb..e314127 100644
--- a/src/main/java/capstone/relation/document/controller/DocsController.java
+++ b/src/main/java/capstone/relation/document/controller/DocsController.java
@@ -16,9 +16,9 @@
 import capstone.relation.document.dto.FileContentDto;
 import capstone.relation.document.dto.FolderCreateDto;
 import capstone.relation.document.dto.FolderInfoDto;
+import capstone.relation.document.dto.UpdateFileReqDto;
 import capstone.relation.document.service.DocsService;
 import capstone.relation.global.util.SecurityUtil;
-import capstone.relation.document.dto.UpdateFileReqDto;
 import io.swagger.v3.oas.annotations.Operation;
 import lombok.RequiredArgsConstructor;
 
diff --git a/src/main/java/capstone/relation/document/service/DocsService.java b/src/main/java/capstone/relation/document/service/DocsService.java
index ca1daa6..205cf97 100644
--- a/src/main/java/capstone/relation/document/service/DocsService.java
+++ b/src/main/java/capstone/relation/document/service/DocsService.java
@@ -51,6 +51,7 @@ public FolderInfoDto createFolder(String folderName, Long userId) {
 			.folderName(folderName)
 			.build();
 	}
+
 	@Transactional
 	public FolderInfoDto updateFolder(Long folderId, String folderName) {
 		Folder folder = folderRepository.findById(folderId).orElseThrow(() -> new DocumentException(