diff --git a/conf/app.sample.ini b/conf/app.sample.ini
index 634d5cd..9b1e167 100644
--- a/conf/app.sample.ini
+++ b/conf/app.sample.ini
@@ -31,16 +31,26 @@ password = ""
 domain = "https://www.recaptcha.net"
 site_key = ""
 server_key = ""
+turnstile_style = false
 
 [upload]
 default_avatar = ""
 default_background = ""
+
+# User avatar and background.
 aliyun_endpoint = ""
 aliyun_access_id = ""
 aliyun_access_secret = ""
 aliyun_bucket = ""
 aliyun_bucket_cdn_host = ""
 
+# User uploaded images.
+image_endpoint = ""
+image_access_id = ""
+image_access_secret = ""
+image_bucket = ""
+image_bucket_cdn_host = ""
+
 [mail]
 account = ""
 password = ""