diff --git a/src/spaceone/identity/service/workspace_service.py b/src/spaceone/identity/service/workspace_service.py
index 3ab52b03..ef6186a4 100644
--- a/src/spaceone/identity/service/workspace_service.py
+++ b/src/spaceone/identity/service/workspace_service.py
@@ -109,7 +109,7 @@ def delete(self, params: WorkspaceDeleteRequest) -> None:
         if params.force:
             self._delete_related_resources_in_workspace(workspace_vo)
         elif service_account_vos.count() > 0:
-            raise ERROR_EXIST_RESOURCE(key="Service Account", value=workspace_vo.name)
+            raise ERROR_EXIST_RESOURCE(child="Service Account", parent=workspace_vo.name)
         else:
             self._delete_related_resources_in_workspace(workspace_vo)
 
@@ -140,7 +140,7 @@ def enable(self, params: WorkspaceEnableRequest) -> Union[WorkspaceResponse, dic
     @transaction(permission="identity:Workspace.write", role_types=["DOMAIN_ADMIN"])
     @convert_model
     def disable(
-        self, params: WorkspaceDisableRequest
+            self, params: WorkspaceDisableRequest
     ) -> Union[WorkspaceResponse, dict]:
         """Disable workspace
         Args:
@@ -200,7 +200,7 @@ def check(self, params: WorkspaceCheckRequest) -> None:
     @append_keyword_filter(["workspace_id", "name"])
     @convert_model
     def list(
-        self, params: WorkspaceSearchQueryRequest
+            self, params: WorkspaceSearchQueryRequest
     ) -> Union[WorkspacesResponse, dict]:
         """List workspaces
         Args: