diff --git a/app/routers/api.py b/app/routers/api.py
index 06aa845..5edea85 100644
--- a/app/routers/api.py
+++ b/app/routers/api.py
@@ -265,7 +265,7 @@ async def get_api_obj(
 
 @router.delete('/{obj_id}', response_model=Resp_Body_Base)
 async def delete_api_obj(
-        obj_id: str = Query(..., min_length=1, max_length=22),
+        obj_id: str = Query(..., min_length=11, max_length=22),
         x_account_id: str = Header(...),
         response: Response = Response,
         ):