diff --git a/.env.staging.sample b/.env.staging.sample
index 3758c22..f36d295 100644
--- a/.env.staging.sample
+++ b/.env.staging.sample
@@ -1,2 +1,2 @@
-SECRET="123"
+SECRET=
 REST_API_ENDPOINT=
diff --git a/integration_test/my_home_page_test.dart b/integration_test/my_home_page_test.dart
index aa32a77..7b4f558 100644
--- a/integration_test/my_home_page_test.dart
+++ b/integration_test/my_home_page_test.dart
@@ -13,8 +13,8 @@ void main() {
         .pumpWidget(TestUtil.pumpWidgetWithShellApp(const HomeScreen()));
     await tester.pumpAndSettle();
 
-    expect(find.widgetWithText(AppBar, 'Survey Flutter testing'),
-        findsOneWidget);
+    expect(
+        find.widgetWithText(AppBar, 'Survey Flutter testing'), findsOneWidget);
     expect(find.text('This is only for testing'), findsOneWidget);
   });
 }
diff --git a/integration_test/real_app_test.dart b/integration_test/real_app_test.dart
index c8b89d7..abe57bf 100644
--- a/integration_test/real_app_test.dart
+++ b/integration_test/real_app_test.dart
@@ -11,8 +11,8 @@ void main() {
     await tester.pumpWidget(TestUtil.pumpWidgetWithRealApp('/'));
     await tester.pumpAndSettle();
 
-    expect(find.widgetWithText(AppBar, 'Survey Flutter testing'),
-        findsOneWidget);
+    expect(
+        find.widgetWithText(AppBar, 'Survey Flutter testing'), findsOneWidget);
     expect(find.text('This is only for testing'), findsOneWidget);
   });
 }
diff --git a/lib/main.dart b/lib/main.dart
index 3042fa7..402e02a 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -78,7 +78,11 @@ class HomeScreen extends StatelessWidget {
               ),
             ),
             const SizedBox(height: 24),
-            Text(AppLocalizations.of(context)!.hello),             
+            Text(AppLocalizations.of(context)!.hello),
+            Text(
+              FlutterConfig.get('SECRET'),
+              style: const TextStyle(color: Colors.black, fontSize: 24),
+            ),
             const SizedBox(height: 24),
             ElevatedButton(
               onPressed: () => context.go('/$routePathSecondScreen'),
@@ -104,4 +108,4 @@ class SecondScreen extends StatelessWidget {
       ),
     );
   }
-}
\ No newline at end of file
+}