diff --git a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart
index 6b5f27e028..5747d4f7e0 100644
--- a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart
+++ b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart
@@ -57,6 +57,7 @@ class _AiWriterScrollWrapperState extends State<AiWriterScrollWrapper> {
   @override
   void dispose() {
     aiWriterCubit.close();
+    throttler.dispose();
     super.dispose();
   }