diff --git a/en/guide/installation.md b/en/guide/installation.md
index 4a66650..a878e06 100644
--- a/en/guide/installation.md
+++ b/en/guide/installation.md
@@ -25,7 +25,6 @@
    ::: details docker-compose.yml
 
    ```yaml [docker-compose.yml]
-   version: '3.8'
    services:
      watchtower: # Used to automatically update the easytier image, delete this part if not needed
        command: --interval 3600 --cleanup --label-enable
diff --git a/guide/installation.md b/guide/installation.md
index aa02605..76ef202 100644
--- a/guide/installation.md
+++ b/guide/installation.md
@@ -29,7 +29,6 @@
    ::: details docker-compose.yml
 
    ```yaml [docker-compose.yml]
-   version: '3.8'
    services:
      watchtower: # 用于自动更新easytier镜像，若不需要请删除这部分
        command: --interval 3600 --cleanup --label-enable