diff --git a/docker-compose.yml b/docker-compose.yml
index 7d3f35d..8fd739f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
       TZ: Asia/Shanghai
     volumes:
       - ./docker_env/nginx/my.conf:/etc/nginx/conf.d/my.conf
-	  - ./backend/media:/backend/media
+      - ./backend/media:/backend/media
     expose:
       - "8080"
     restart: always