diff --git a/.env b/.env
index da3e57d..e69de29 100644
--- a/.env
+++ b/.env
@@ -1,2 +0,0 @@
-# 用于阻止重复安装
-INSTALLED=false
diff --git a/.env.example b/.env.example
index 5873a99..9ce2626 100644
--- a/.env.example
+++ b/.env.example
@@ -44,5 +44,10 @@ MAIL_FROM_NAME=null
 MAILGUN_DOMAIN=
 MAILGUN_SECRET=
 
+# google cloud stoage
+ENABLE_AUTO_BACKUP_AND_UPDATE=false
+GOOGLE_CLOUD_KEY_FILE=config/googleCloudStorageKey.json
+GOOGLE_CLOUD_STORAGE_BUCKET=
+
 # 用于阻止重复安装
-INSTALLED=false
+INSTALLED=false
\ No newline at end of file