diff --git a/src/api/parking.ts b/src/api/parking.ts
index 7b5317e..962e623 100644
--- a/src/api/parking.ts
+++ b/src/api/parking.ts
@@ -7,7 +7,7 @@ export type 駐車場マスタ = {
 };
 export type サービス券マスタ = {
   discount_ticket_code: number;
-  ticket_name: string;
+  ticket_name: string | null;
 };
 
 // -------駐車場マスタ一覧取得---------------
diff --git a/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/サービス券.tsx b/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/サービス券.tsx
index d452709..edfee39 100644
--- a/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/サービス券.tsx
+++ b/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/サービス券.tsx
@@ -35,11 +35,8 @@ export default function Page({
     const target = discountTickets.find((ele) => {
       return ele.discount_ticket_code === setting.discount_ticket_code;
     });
-    return sprintf(
-      "%s(%d)",
-      target?.ticket_name ?? "",
-      setting.discount_ticket_code
-    );
+    if (!target) return "-";
+    return !!target.ticket_name ? target.ticket_name : "";
   }, [discountTickets, setting]);
 
   const handleRemove = () => {
diff --git a/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/駐車場設定.tsx b/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/駐車場設定.tsx
index e579ba7..886bab6 100644
--- a/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/駐車場設定.tsx
+++ b/src/pages/dashboard/shop/店舗詳細/QR認証設定/駐車場一覧/駐車場設定.tsx
@@ -97,7 +97,7 @@ export default function Page({ settings, deleteParkingSetting }: RowProps) {
           )
       )
       .map((ele) => ({
-        label: sprintf("%s(%d)", ele.ticket_name, ele.discount_ticket_code),
+        label: !!ele.ticket_name ? ele.ticket_name : "-",
         value: String(ele.discount_ticket_code),
       }));
   }, [サービス券マスタ, settings]);
diff --git a/src/pages/qr-service/QRサービス券承認.tsx b/src/pages/qr-service/QRサービス券承認.tsx
index 0d48ada..4e87a33 100644
--- a/src/pages/qr-service/QRサービス券承認.tsx
+++ b/src/pages/qr-service/QRサービス券承認.tsx
@@ -64,7 +64,7 @@ export default function Main() {
   const options: AutoCompleteOption[] = useMemo(() => {
     if (checkData === undefined) return [];
     return checkData.discount_tickets.map((ele) => ({
-      label: ele.ticket_name,
+      label: !!ele.ticket_name ? ele.ticket_name : "-",
       value: String(ele.discount_ticket_code),
     }));
   }, [checkData]);