diff --git a/src/main/java/com/moabam/api/application/room/RoomService.java b/src/main/java/com/moabam/api/application/room/RoomService.java
index b4a90fcd..e68b4b7a 100644
--- a/src/main/java/com/moabam/api/application/room/RoomService.java
+++ b/src/main/java/com/moabam/api/application/room/RoomService.java
@@ -143,6 +143,7 @@ public void deportParticipant(Long managerId, Long roomId, Long memberId) {
 		validateManagerAuthorization(managerParticipant);
 
 		Room room = managerParticipant.getRoom();
+		memberParticipant.removeRoom();
 		participantRepository.delete(memberParticipant);
 		room.decreaseCurrentUserCount();
 
diff --git a/src/main/java/com/moabam/api/presentation/RoomController.java b/src/main/java/com/moabam/api/presentation/RoomController.java
index 4d2b609b..66bb4bed 100644
--- a/src/main/java/com/moabam/api/presentation/RoomController.java
+++ b/src/main/java/com/moabam/api/presentation/RoomController.java
@@ -110,7 +110,7 @@ public RoomDetailsResponse getRoomDetails(@Auth AuthMember authMember, @PathVari
 	@PostMapping("/{roomId}/certification")
 	@ResponseStatus(HttpStatus.CREATED)
 	public void certifyRoom(@Auth AuthMember authMember, @PathVariable("roomId") Long roomId,
-		@RequestPart("file") Map<String, MultipartFile> multipartFiles) {
+		@RequestPart(name = "file") Map<String, MultipartFile> multipartFiles) {
 
 		log.info("multipartFiles Size = {}", multipartFiles.size());
 		log.info(multipartFiles.toString());