diff --git a/backend/apps/system/api/workspace.py b/backend/apps/system/api/workspace.py
index c541d1af..fb8a1fb6 100644
--- a/backend/apps/system/api/workspace.py
+++ b/backend/apps/system/api/workspace.py
@@ -45,7 +45,7 @@ async def option_pager(
         pagination=pagination,
     )
     
-@router.get("/uws/option", response_model=UserWsOption)
+@router.get("/uws/option", response_model=UserWsOption | None)
 async def option_user(
     session: SessionDep, 
     current_user: CurrentUser,