diff --git a/lib/main.dart b/lib/main.dart
index 395decd..543d9ad 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -3,6 +3,7 @@ import 'package:rasadyar_app/presentation/routes/app_pages.dart';
 import 'package:rasadyar_auth/auth.dart';
 import 'package:rasadyar_auth/data/services/token_storage_service.dart';
 import 'package:rasadyar_core/core.dart';
+
 import 'infrastructure/di/di.dart';
 import 'infrastructure/service/auth_service.dart';
 
@@ -44,23 +45,28 @@ class MyApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return GetMaterialApp(
-      title: 'رصدیار',
-      theme: ThemeData(
-        fontFamily: 'yekan',
-        colorScheme: ColorScheme.fromSeed(seedColor: AppColor.blueNormal),
+    return ScreenUtilInit(
+      designSize: const Size(412, 917),
+      minTextAdapt: true,
+      splitScreenMode: true,
+      child: GetMaterialApp(
+        title: 'رصدیار',
+        theme: ThemeData(
+          fontFamily: 'yekan',
+          colorScheme: ColorScheme.fromSeed(seedColor: AppColor.blueNormal),
+        ),
+        initialRoute: AppPages.initRoutes,
+        getPages: AppPages.pages,
+        locale: const Locale("fa", "IR"),
+        supportedLocales: const [Locale("fa", "IR")],
+        localizationsDelegates: [
+          PersianMaterialLocalizations.delegate,
+          PersianCupertinoLocalizations.delegate,
+          GlobalMaterialLocalizations.delegate,
+          GlobalWidgetsLocalizations.delegate,
+          GlobalCupertinoLocalizations.delegate,
+        ],
       ),
-      initialRoute: AppPages.initRoutes,
-      getPages: AppPages.pages,
-      locale: const Locale("fa", "IR"),
-      supportedLocales: const [Locale("fa", "IR")],
-      localizationsDelegates: [
-        PersianMaterialLocalizations.delegate,
-        PersianCupertinoLocalizations.delegate,
-        GlobalMaterialLocalizations.delegate,
-        GlobalWidgetsLocalizations.delegate,
-        GlobalCupertinoLocalizations.delegate,
-      ],
     );
   }
 }
diff --git a/packages/core/lib/core.dart b/packages/core/lib/core.dart
index 6f6f95b..bf572c9 100644
--- a/packages/core/lib/core.dart
+++ b/packages/core/lib/core.dart
@@ -11,6 +11,7 @@ export 'package:font_awesome_flutter/font_awesome_flutter.dart';
 export 'package:device_info_plus/device_info_plus.dart';
 export 'package:dio/dio.dart' ;
 export 'package:pretty_dio_logger/pretty_dio_logger.dart';
+export 'package:flutter_screenutil/flutter_screenutil.dart';
 //freezed
 export 'package:freezed_annotation/freezed_annotation.dart';
 export 'package:geolocator/geolocator.dart';