diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 63b82ff..d5776ee 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
diff --git a/lib/router.dart b/lib/router.dart
index c8e353b..25a0b18 100644
--- a/lib/router.dart
+++ b/lib/router.dart
@@ -58,7 +58,6 @@ final _appRoutes = [
             path: '/write/:mode',
             name: 'postEditor',
             builder: (context, state) => AppBackground(
-              isLessOptimization: true,
               child: PostEditorScreen(
                 mode: state.pathParameters['mode']!,
                 postEditId: int.tryParse(
@@ -77,7 +76,6 @@ final _appRoutes = [
             path: '/search',
             name: 'postSearch',
             builder: (context, state) => const AppBackground(
-              isLessOptimization: true,
               child: PostSearchScreen(),
             ),
           ),
@@ -119,7 +117,6 @@ final _appRoutes = [
             path: '/:scope/:alias',
             name: 'chatRoom',
             builder: (context, state) => AppBackground(
-              isLessOptimization: true,
               child: ChatRoomScreen(
                 scope: state.pathParameters['scope']!,
                 alias: state.pathParameters['alias']!,
@@ -159,7 +156,6 @@ final _appRoutes = [
                   secondaryAnimation: secondaryAnimation,
                   fillColor: Colors.transparent,
                   child: AppBackground(
-                    isLessOptimization: true,
                     child: child,
                   ),
                 );
@@ -195,7 +191,6 @@ final _appRoutes = [
                   secondaryAnimation: secondaryAnimation,
                   fillColor: Colors.transparent,
                   child: AppBackground(
-                    isLessOptimization: true,
                     child: child,
                   ),
                 );
diff --git a/lib/widgets/attachment/attachment_list.dart b/lib/widgets/attachment/attachment_list.dart
index eeddebc..c366a9b 100644
--- a/lib/widgets/attachment/attachment_list.dart
+++ b/lib/widgets/attachment/attachment_list.dart
@@ -130,7 +130,7 @@ class _AttachmentListState extends State<AttachmentList> {
         }
 
         return AspectRatio(
-          aspectRatio: widget.data.firstOrNull?.metadata['ratio'] ?? 1,
+          aspectRatio: (widget.data.firstOrNull?.metadata['ratio'] ?? 1).toDouble(),
           child: Container(
             constraints: BoxConstraints(maxHeight: constraints.maxHeight),
             child: ScrollConfiguration(
@@ -142,7 +142,7 @@ class _AttachmentListState extends State<AttachmentList> {
                   return Container(
                     constraints: constraints,
                     child: AspectRatio(
-                      aspectRatio: widget.data[idx]?.metadata['ratio'] ?? 1,
+                      aspectRatio: (widget.data[idx]?.metadata['ratio'] ?? 1).toDouble(),
                       child: GestureDetector(
                         onTap: () {
                           context.pushTransparentRoute(
diff --git a/lib/widgets/navigation/app_background.dart b/lib/widgets/navigation/app_background.dart
index 3cf297a..5fd3b4b 100644
--- a/lib/widgets/navigation/app_background.dart
+++ b/lib/widgets/navigation/app_background.dart
@@ -7,12 +7,11 @@ import 'package:responsive_framework/responsive_framework.dart';
 
 class AppBackground extends StatelessWidget {
   final Widget child;
-  final bool isLessOptimization;
   final bool isRoot;
+
   const AppBackground({
     super.key,
     required this.child,
-    this.isLessOptimization = false,
     this.isRoot = false,
   });
 
@@ -23,52 +22,25 @@ class AppBackground extends StatelessWidget {
   ) {
     final devicePixelRatio = MediaQuery.of(context).devicePixelRatio;
 
-    if (isLessOptimization) {
-      final size = MediaQuery.of(context).size;
-      return Container(
-        color: Theme.of(context).colorScheme.surface,
-        child: Container(
-          decoration: BoxDecoration(
-            backgroundBlendMode: BlendMode.darken,
-            color: Theme.of(context).colorScheme.surface,
-            image: DecorationImage(
-              opacity: 0.2,
-              image: ResizeImage(
-                FileImage(imageFile),
-                width: (size.width * devicePixelRatio).round(),
-                height: (size.height * devicePixelRatio).round(),
-                policy: ResizeImagePolicy.fit,
-              ),
-              fit: BoxFit.cover,
-            ),
-          ),
-          child: child,
-        ),
-      );
-    }
-
+    final size = MediaQuery.of(context).size;
     return Container(
       color: Theme.of(context).colorScheme.surface,
-      child: LayoutBuilder(
-        builder: (context, constraints) {
-          return Container(
-            decoration: BoxDecoration(
-              backgroundBlendMode: BlendMode.darken,
-              color: Theme.of(context).colorScheme.surface,
-              image: DecorationImage(
-                opacity: 0.2,
-                image: ResizeImage(
-                  FileImage(imageFile),
-                  width: (constraints.maxWidth * devicePixelRatio).round(),
-                  height: (constraints.maxHeight * devicePixelRatio).round(),
-                  policy: ResizeImagePolicy.fit,
-                ),
-                fit: BoxFit.cover,
-              ),
+      child: Container(
+        decoration: BoxDecoration(
+          backgroundBlendMode: BlendMode.darken,
+          color: Theme.of(context).colorScheme.surface,
+          image: DecorationImage(
+            opacity: 0.2,
+            image: ResizeImage(
+              FileImage(imageFile),
+              width: (size.width * devicePixelRatio).round(),
+              height: (size.height * devicePixelRatio).round(),
+              policy: ResizeImagePolicy.fit,
             ),
-            child: child,
-          );
-        },
+            fit: BoxFit.cover,
+          ),
+        ),
+        child: child,
       ),
     );
   }
@@ -77,11 +49,9 @@ class AppBackground extends StatelessWidget {
   Widget build(BuildContext context) {
     return ScaffoldMessenger(
       child: FutureBuilder(
-        future:
-            kIsWeb ? Future.value(null) : getApplicationDocumentsDirectory(),
+        future: kIsWeb ? Future.value(null) : getApplicationDocumentsDirectory(),
         builder: (context, snapshot) {
-          if (isRoot ||
-              ResponsiveBreakpoints.of(context).smallerOrEqualTo(MOBILE)) {
+          if (isRoot || ResponsiveBreakpoints.of(context).smallerOrEqualTo(MOBILE)) {
             if (snapshot.hasData) {
               final path = '${snapshot.data!.path}/app_background_image';
               final file = File(path);