diff --git a/FrontendWebApi/ApiControllers/UserController.cs b/FrontendWebApi/ApiControllers/UserController.cs
index 7605e3d..859faea 100644
--- a/FrontendWebApi/ApiControllers/UserController.cs
+++ b/FrontendWebApi/ApiControllers/UserController.cs
@@ -511,7 +511,7 @@ namespace FrontendWebApi.ApiControllers
                                    LEFT JOIN role B ON A.role_guid=B.role_guid AND B.deleted=0
                                    INNER JOIN auth_page C ON A.AuthCode=C.AuthCode
                                    LEFT JOIN building D ON C.building_tag=D.building_tag AND D.deleted=0
-                                   WHERE A.role_guid='{post.SelectedRoleId}'
+                                   WHERE A.role_guid='{post.SelectedRoleId}' and A.AuthCode not like '%B%'
                                    ORDER BY A.AuthCode ASC";
                 roleAuthList = await backendRepository.GetAllAsync<RoleAuthList>(sqlString);