diff --git a/analysis_options.yaml b/analysis_options.yaml
new file mode 100644
index 00000000..a1cc2bb0
--- /dev/null
+++ b/analysis_options.yaml
@@ -0,0 +1,7 @@
+analyzer:
+  exclude: [build/**, test/**]
+linter:
+  rules:
+    prefer_const_constructors: true
+    prefer_const_literals_to_create_immutables: true
+    unnecessary_const: true
diff --git a/lib/main.dart b/lib/main.dart
index 9534255c..32de67a3 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -39,7 +39,7 @@ void main() {
 
     runApp(
       EasyLocalization(
-          supportedLocales: [const Locale('en'), const Locale('ko')],
+          supportedLocales: const [Locale('en'), Locale('ko')],
           path: 'assets/translations',
           fallbackLocale: const Locale('en'),
           child: MultiProvider(
diff --git a/lib/pages/user_page.dart b/lib/pages/user_page.dart
index 0df8e918..0185a0e2 100644
--- a/lib/pages/user_page.dart
+++ b/lib/pages/user_page.dart
@@ -129,10 +129,10 @@ class UserPage extends StatelessWidget {
                         },
                       }
                     },
-                    {'Spacer': {}},
-                    {
+                    const {'Spacer': {}},
+                    const {
                       'Padding': {
-                        'padding': const EdgeInsets.fromLTRB(16, 6, 0, 6),
+                        'padding': EdgeInsets.fromLTRB(16, 6, 0, 6),
                         'child': {
                           'Icon': {
                             'arg': Icons.navigate_next,
diff --git a/lib/utils/export_file.dart b/lib/utils/export_file.dart
index 2d3f2c66..70869a98 100644
--- a/lib/utils/export_file.dart
+++ b/lib/utils/export_file.dart
@@ -8,7 +8,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:open_app_file/open_app_file.dart';
 
-const MethodChannel _channel = const MethodChannel("org.sparcs.otlplus");
+const MethodChannel _channel = MethodChannel("org.sparcs.otlplus");
 
 Future<void> exportImage(RenderRepaintBoundary boundary) async {
   final image = await boundary.toImage(pixelRatio: 3.0);