diff --git a/lib/main.dart b/lib/main.dart
index 8adeaf96..86c407e2 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -37,7 +37,7 @@ void main() async {
 }
 
 class App extends StatelessWidget {
-  final GlobalKey<AdaptivePageLayoutState> _apl =
+  static final GlobalKey<AdaptivePageLayoutState> _apl =
       GlobalKey<AdaptivePageLayoutState>();
   @override
   Widget build(BuildContext context) {
diff --git a/lib/views/lock_screen.dart b/lib/views/lock_screen.dart
index 6bff0270..006a6660 100644
--- a/lib/views/lock_screen.dart
+++ b/lib/views/lock_screen.dart
@@ -7,8 +7,9 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 class LockScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    final applock = FlutterSecureStorage().read(key: SettingKeys.appLockKey);
     return FutureBuilder<String>(
-      future: FlutterSecureStorage().read(key: SettingKeys.appLockKey),
+      future: applock,
       builder: (context, snapshot) {
         if (snapshot.hasError) {
           return Scaffold(body: Center(child: Text(snapshot.error.toString())));