diff --git a/lib/main.dart b/lib/main.dart
index 9117496..d9f6ebd 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -73,8 +73,10 @@ class _MyHomePageState extends State<MyHomePage> {
       _counter++;
     });
   }
-  void show_result(Future<String> future_id) async {
-    id = await future_id;
+  // TODO :find a better way to show the list
+  void show_result(Future<List<String>> future_id) async {
+    var tmp = await future_id;
+    id = tmp[0];
     setState(() { });
   }