diff --git a/src/services/items/interfaces/item.ts b/src/services/items/interfaces/item.ts
index 1021654a..359f2d90 100644
--- a/src/services/items/interfaces/item.ts
+++ b/src/services/items/interfaces/item.ts
@@ -22,6 +22,7 @@ export interface Item<S = ItemSettings> {
   creator: Member | null;
   createdAt: string;
   updatedAt: string;
+  lang: string;
 }
 
 export type AppItemType<S = ItemSettings> = {
diff --git a/src/services/items/interfaces/itemSettings.ts b/src/services/items/interfaces/itemSettings.ts
index f2dcc717..3d468329 100644
--- a/src/services/items/interfaces/itemSettings.ts
+++ b/src/services/items/interfaces/itemSettings.ts
@@ -1,6 +1,7 @@
 import { CCLicenseAdaptions, OldCCLicenseAdaptations } from '@/constants';
 
 export interface ItemSettings {
+  /** @deprecated use item.lang */
   lang?: string;
   isPinned?: boolean;
   showChatbox?: boolean;