diff --git a/docs/guide/install.md b/docs/guide/install.md
index 976ee40..7483695 100644
--- a/docs/guide/install.md
+++ b/docs/guide/install.md
@@ -35,7 +35,7 @@ composer i
 composer watch
 ```
 
-`.evn`
+`.env`
 ```bash
 APP_NAME=hyperf-admin
 ENV=dev