diff --git a/lib/pages/things_page/widget/bee_list_view.dart b/lib/pages/things_page/widget/bee_list_view.dart
index 12a878c7..cee3656a 100644
--- a/lib/pages/things_page/widget/bee_list_view.dart
+++ b/lib/pages/things_page/widget/bee_list_view.dart
@@ -100,7 +100,7 @@ class _BeeListViewState<T> extends State<BeeListView> {
           params: _params,
         );
         _models = widget.convert(_model);
-        widget.controller.resetLoadState();
+        widget.controller?.resetLoadState();
         setState(() {});
       },
       firstRefresh: true,