diff --git a/backend/src/handler.rs b/backend/src/handler.rs
index 4d3889e..1e5c076 100644
--- a/backend/src/handler.rs
+++ b/backend/src/handler.rs
@@ -68,32 +68,33 @@ async fn server_header_middleware<B>(req: Request<B>, next: Next<B>) -> Response
         self::api::setting::put_setting,
     ),
     components(schemas(
-        crate::dto::IdResponse,
-        crate::dto::NameResponse,
-        crate::dto::User,
-        crate::dto::Visibility,
-        crate::dto::Mention,
-        crate::dto::File,
-        crate::dto::Emoji,
         crate::dto::CreateContentReaction,
+        crate::dto::CreateEmoji,
         crate::dto::CreateEmojiReaction,
-        crate::dto::CreateReaction,
-        crate::dto::Reaction,
-        crate::dto::Post,
+        crate::dto::CreateFollow,
         crate::dto::CreatePost,
-        crate::dto::LocalFile,
-        crate::dto::LocalEmoji,
-        crate::dto::CreateEmoji,
+        crate::dto::CreateReaction,
+        crate::dto::CreateReport,
+        crate::dto::Emoji,
+        crate::dto::File,
         crate::dto::Follow,
-        crate::dto::CreateFollow,
-        crate::dto::Setting,
+        crate::dto::IdResponse,
+        crate::dto::LocalEmoji,
+        crate::dto::LocalFile,
+        crate::dto::Mention,
+        crate::dto::NameResponse,
         crate::dto::Object,
+        crate::dto::ObjectStoreType,
+        crate::dto::Post,
+        crate::dto::Reaction,
         crate::dto::Report,
-        crate::dto::CreateReport,
+        crate::dto::Setting,
+        crate::dto::User,
+        crate::dto::Visibility,
         crate::queue::Event,
-        crate::queue::Update,
         crate::queue::Notification,
         crate::queue::NotificationType,
+        crate::queue::Update,
         self::api::auth::PostLoginReq,
         self::api::auth::PostLoginResp,
         self::api::setting::PostSettingReq,
diff --git a/backend/src/handler/api/setting.rs b/backend/src/handler/api/setting.rs
index f34f128..11cbfcd 100644
--- a/backend/src/handler/api/setting.rs
+++ b/backend/src/handler/api/setting.rs
@@ -7,7 +7,7 @@ use utoipa::ToSchema;
 
 use crate::{
     ap::person::PersonUpdate,
-    dto::{self, Setting},
+    dto::{ObjectStoreType, Setting},
     entity::{local_file, setting},
     error::{Context, Result},
     format_err,
@@ -90,7 +90,7 @@ pub struct PutSettingReq {
     #[serde(default)]
     pub theme_color: Option<String>,
     #[serde(default)]
-    pub object_store_type: Option<dto::ObjectStoreType>,
+    pub object_store_type: Option<ObjectStoreType>,
     #[serde(default)]
     pub object_store_s3_bucket: Option<String>,
     #[schema(value_type = Option<String>, format = "url")]