fix commands

app/modules/indexer/__init__.py

@@ -23,6 +23,9 @@ class IndexerModule(_ModuleBase):
     def init_module(self) -> None:
         pass
 
+    def stop(self):
+        pass
+
     def init_setting(self) -> Tuple[str, Union[str, bool]]:
         return "INDEXER", "builtin"