diff --git a/example/lib/ui_conversation.dart b/example/lib/ui_conversation.dart
index eec2d43..d913d97 100644
--- a/example/lib/ui_conversation.dart
+++ b/example/lib/ui_conversation.dart
@@ -389,7 +389,7 @@ class ListViewShowDataState extends State<ListViewShowData> {
           bool isSuccess = await HttpUtils.createGroup(channelID);
           if (isSuccess) {
             Navigator.push(
-              ctx,
+              context,
               MaterialPageRoute(
                 builder: (context) => const ChatPage(),
                 settings: RouteSettings(