diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4e25e8f7..42c5cb6b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -50,6 +50,5 @@ jobs:
                   cd ~/summer
                   docker-compose down
                   docker rmi ghcr.io/klaus9267/summer-auto-deploy
-                  docker rmi $(docker images -f "dangling=true" -q)
                   docker-compose pull
                   docker-compose up -d
diff --git a/README.md b/README.md
index 6c58715f..4269152f 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# 4term-main-back
+# 4term-main-back.
 
 ## 커밋 컨벤션
 
diff --git a/main-project/src/chats/chats.controller.ts b/main-project/src/chats/chats.controller.ts
index 23d11210..d971405b 100644
--- a/main-project/src/chats/chats.controller.ts
+++ b/main-project/src/chats/chats.controller.ts
@@ -30,6 +30,7 @@ import { APiUploadFile } from './swagger/upload-file.decorator';
 import { ApiCreateChatRoom } from './swagger/create-chat-room.decorator';
 import { ApiRejecteInvitation } from './swagger/rejected-invitation.decorator';
 
+
 @Controller('chats')
 @ApiTags('채팅 APi')
 export class ChatsController {