diff --git a/rxr_watchtower/docker-compose.yml b/rxr_watchtower/docker-compose.yml
index 1ae9255..a17011a 100644
--- a/rxr_watchtower/docker-compose.yml
+++ b/rxr_watchtower/docker-compose.yml
@@ -6,4 +6,6 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock
     restart: always
     environment:
-      - WATCHTOWER_DISABLE_CONTAINERS=windows  # 禁用名为 windows 的容器更新
\ No newline at end of file
+      - WATCHTOWER_DISABLE_CONTAINERS=windows  # 禁用名为 windows 的容器更新
+      - WATCHTOWER_POLL_INTERVAL=3600          # 设置检查间隔为3600秒
+      - WATCHTOWER_CLEANUP=true                 # 启用清理未使用的镜像