diff --git a/analysis_options.yaml b/analysis_options.yaml
index 1374fca..b87994c 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,6 +1,17 @@
+include: package:flutter_lints/flutter.yaml
+
 analyzer:
   exclude:
     - "**/*.g.dart"
     - "**/*.freezed.dart"
+
   errors:
-    invalid_annotation_target: ignore
\ No newline at end of file
+    invalid_annotation_target: ignore
+    prefer_const_declarations: error
+    prefer_const_constructors: error
+    missing_required_param: error
+
+linter:
+  rules:
+    library_private_types_in_public_api: false
+    no_leading_underscores_for_local_identifiers: false
diff --git a/lib/core/config/di/dependencies.dart b/lib/core/config/di/dependencies.dart
index fbc7ff4..26a45b2 100644
--- a/lib/core/config/di/dependencies.dart
+++ b/lib/core/config/di/dependencies.dart
@@ -3,18 +3,22 @@ import 'package:cookie_jar/cookie_jar.dart';
 import 'package:dio/dio.dart';
 import 'package:get_it/get_it.dart';
 import 'package:jusicool_ios/core/network/api/api_client.dart';
-import 'package:jusicool_ios/data/user/service/user_api.dart';
+import 'package:jusicool_ios/core/network/interceptor/cookie_interceptor.dart';
+import 'package:jusicool_ios/data/account/data_sources/account_data_source.dart';
+import 'package:jusicool_ios/data/account/data_sources/account_data_source_impl.dart';
+import 'package:jusicool_ios/data/account/service/account_api.dart';
 import 'package:jusicool_ios/data/user/data_sources/user_data_source.dart';
+import 'package:jusicool_ios/data/user/data_sources/user_data_source_impl.dart';
+import 'package:jusicool_ios/data/user/repositories/user_repository_impl.dart';
+import 'package:jusicool_ios/data/user/service/neis_api.dart';
+import 'package:jusicool_ios/data/user/service/user_api.dart';
 import 'package:jusicool_ios/domain/sign_in/repositories/sign_in_repository.dart';
 import 'package:jusicool_ios/domain/sign_in/usecase/sign_in_usecase.dart';
 import 'package:jusicool_ios/domain/sign_in/usecase/sign_in_usecase_impl.dart';
 import 'package:jusicool_ios/domain/sign_up/repositories/sign_up_repository.dart';
 import 'package:jusicool_ios/domain/sign_up/usecase/sign_up_usecase.dart';
 import 'package:jusicool_ios/domain/sign_up/usecase/sign_up_usecase_impl.dart';
-import '../../../data/user/data_sources/user_data_source_impl.dart';
-import '../../../data/user/repositories/user_repository_impl.dart';
-import '../../../data/user/service/neis_api.dart';
-import '../../network/interceptor/cookie_interceptor.dart';
+
 
 final di = GetIt.instance;
 
@@ -35,9 +39,10 @@ void _setApi() {
     di.registerLazySingleton<NeisApi>(
       () => NeisApi(di.get<Dio>(instanceName: 'neis')),
     );
+    di.registerLazySingleton<AccountApi>(() => AccountApi(di.get<Dio>()));
     log('✅ :: API DI 성공');
   } catch (e) {
-    log("⛔ :: API DI 실패 \n$e");
+    log('⛔ :: API DI 실패 \n$e');
   }
 }
 
@@ -46,6 +51,9 @@ void _setDataSources() {
     di.registerLazySingleton<UserDataSource>(
       () => UserDataSourceImpl(di.get<UserApi>(), di.get<NeisApi>()),
     );
+    di.registerLazySingleton<AccountDataSource>(
+      () => AccountDataSourceImpl(di.get<AccountApi>()),
+    );
     log('✅ :: DataSources DI 성공');
   } catch (e) {
     log("⛔ :: DataSources DI 실패 \n$e");
diff --git a/lib/core/config/router/router.dart b/lib/core/config/router/router.dart
index f0c4ab8..d50ac9d 100644
--- a/lib/core/config/router/router.dart
+++ b/lib/core/config/router/router.dart
@@ -1,16 +1,17 @@
 import 'package:go_router/go_router.dart';
+import 'package:jusicool_ios/main.dart';
+import 'package:jusicool_ios/presentation/community/screens/community_post_list_screen.dart';
 import 'package:jusicool_ios/presentation/my_capital/screens/maincapital_screen.dart';
-import 'package:jusicool_ios/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart';
-import 'package:jusicool_ios/presentation/my_capital/screens/order_screens/order_detail_screen.dart';
 import 'package:jusicool_ios/presentation/my_capital/screens/my_assets_screen.dart';
+import 'package:jusicool_ios/presentation/my_capital/screens/order_screens/order_detail_screen.dart';
+import 'package:jusicool_ios/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart';
 import 'package:jusicool_ios/presentation/sign_in/screens/login_screen.dart';
 import 'package:jusicool_ios/presentation/sign_up/screens/email_auth_screen.dart';
 import 'package:jusicool_ios/presentation/sign_up/screens/find_school_screen.dart';
 import 'package:jusicool_ios/presentation/sign_up/screens/name_input_screen.dart';
 import 'package:jusicool_ios/presentation/sign_up/screens/password_create_screen.dart';
 import 'package:jusicool_ios/presentation/splash/screens/splash_screen.dart';
-import 'package:jusicool_ios/presentation/community/screens/community_post_list_screen.dart';
-import '../../../main.dart';
+
 
 class RoutePaths {
   static const String splash = '/splash';
@@ -56,15 +57,15 @@ class AppRouter {
       ),
       GoRoute(
         path: RoutePaths.emailAuth,
-        builder: (context, state) => EmailAuthScreen(),
+        builder: (context, state) => const EmailAuthScreen(),
       ),
       GoRoute(
         path: RoutePaths.passwordCreate,
-        builder: (context, state) => PasswordCreateScreen(),
+        builder: (context, state) => const PasswordCreateScreen(),
       ),
       GoRoute(
         path: RoutePaths.findSchool,
-        builder: (context, state) => FindSchoolScreen(),
+        builder: (context, state) => const FindSchoolScreen(),
       ),
       GoRoute(
         path: RoutePaths.mainCapital,
diff --git a/lib/core/config/widget/menu_bottom.dart b/lib/core/config/widget/menu_bottom.dart
index 8fab20b..f501153 100644
--- a/lib/core/config/widget/menu_bottom.dart
+++ b/lib/core/config/widget/menu_bottom.dart
@@ -4,10 +4,10 @@ import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/my_capital/screens/maincapital_screen.dart';
 
 class ScreenConfig {
+  ScreenConfig({required this.title, required this.widget});
+
   final String title;
   final Widget widget;
-
-  ScreenConfig({required this.title, required this.widget});
 }
 
 class ScreenList {
@@ -37,11 +37,6 @@ class ScreenList {
 }
 
 class NavBarItem extends StatelessWidget {
-  final String iconName;
-  final String label;
-  final bool isSelected;
-  final VoidCallback onTap;
-
   const NavBarItem({
     super.key,
     required this.iconName,
@@ -50,6 +45,11 @@ class NavBarItem extends StatelessWidget {
     required this.onTap,
   });
 
+  final String iconName;
+  final String label;
+  final bool isSelected;
+  final VoidCallback onTap;
+
   Widget _buildIcon() {
     final color = isSelected ? JusicoolColor.main : JusicoolColor.gray400;
 
@@ -141,7 +141,7 @@ class _MenuBottomState extends State<MenuBottom> {
                   Positioned(
                     left: 42.w,
                     top: 9.h,
-                    child: Container(
+                    child: SizedBox(
                       width: 277.w,
                       child: Row(
                         mainAxisAlignment: MainAxisAlignment.spaceBetween,
diff --git a/lib/core/network/api/api_client.dart b/lib/core/network/api/api_client.dart
index 170a641..8d175fe 100644
--- a/lib/core/network/api/api_client.dart
+++ b/lib/core/network/api/api_client.dart
@@ -5,9 +5,9 @@ import 'package:dio_cookie_manager/dio_cookie_manager.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:get_it/get_it.dart';
+import 'package:jusicool_ios/core/network/interceptor/dio_error_interceptor.dart';
 import 'package:jusicool_ios/core/network/interceptor/dio_request_interceptor.dart';
 import 'package:pretty_dio_logger/pretty_dio_logger.dart';
-import '../interceptor/dio_error_interceptor.dart';
 
 Dio dio() {
   String? _baseUrlDev = dotenv.env['BASE_URL_DEV'];
@@ -28,8 +28,8 @@ Dio dio() {
         'Content-Type': 'application/json',
         'Accept': 'application/json',
       },
-      connectTimeout: Duration(seconds: 30),
-      receiveTimeout: Duration(seconds: 30),
+      connectTimeout: const Duration(seconds: 30),
+      receiveTimeout: const Duration(seconds: 30),
     ),
   );
 
@@ -58,8 +58,8 @@ Dio neis() {
   Dio dio = Dio(
     BaseOptions(
       baseUrl: 'https://open.neis.go.kr/hub/schoolInfo',
-      connectTimeout: Duration(seconds: 30),
-      receiveTimeout: Duration(seconds: 30),
+      connectTimeout: const Duration(seconds: 30),
+      receiveTimeout: const Duration(seconds: 30),
       queryParameters: {'KEY': _neisApiKey ?? '', 'Type': 'json'},
     ),
   );
diff --git a/lib/core/network/interceptor/dio_error_interceptor.dart b/lib/core/network/interceptor/dio_error_interceptor.dart
index aa20744..cceb91c 100644
--- a/lib/core/network/interceptor/dio_error_interceptor.dart
+++ b/lib/core/network/interceptor/dio_error_interceptor.dart
@@ -1,49 +1,50 @@
+import 'dart:developer';
 import 'package:dio/dio.dart';
 
 class DioErrorInterceptor extends InterceptorsWrapper {
   @override
   void onError(DioException err, ErrorInterceptorHandler handler) {
-    print('⛔ DIO 에러 :: ${err.type}');
+    log('⛔ DIO 에러 :: ${err.type}');
     switch (err.type) {
       case DioExceptionType.connectionTimeout:
-        print('⏳ 연결 시간 초과');
+        log('⏳ 연결 시간 초과');
         break;
       case DioExceptionType.sendTimeout:
-        print('⏳ 전송 시간 초과');
+        log('⏳ 전송 시간 초과');
         break;
       case DioExceptionType.receiveTimeout:
-        print('⏳ 수신 시간 초과');
+        log('⏳ 수신 시간 초과');
         break;
       case DioExceptionType.badResponse:
         switch (err.response?.statusCode) {
           case 400:
-            print('🚫 잘못된 요청: ${err.response?.data}');
+            log('🚫 잘못된 요청: ${err.response?.data}');
             break;
           case 401:
-            print('🚫 인증 실패: ${err.response?.data}');
+            log('🚫 인증 실패: ${err.response?.data}');
             break;
           case 403:
-            print('🚫 권한 없음: ${err.response?.data}');
+            log('🚫 권한 없음: ${err.response?.data}');
             break;
           case 404:
-            print('🚫 리소스 없음: ${err.response?.data}');
+            log('🚫 리소스 없음: ${err.response?.data}');
             break;
           case 500:
-            print('🚫 서버 오류: ${err.response?.data}');
+            log('🚫 서버 오류: ${err.response?.data}');
             break;
           default:
-            print('🚫 기타 오류: ${err.response?.data}');
+            log('🚫 기타 오류: ${err.response?.data}');
             break;
         }
       case DioExceptionType.cancel:
-        print('❌ 요청 취소됨');
+        log('❌ 요청 취소됨');
         break;
       case DioExceptionType.connectionError:
-        print('🚫 인터넷 연결 오류: ${err.message}');
+        log('🚫 인터넷 연결 오류: ${err.message}');
         break;
       case DioExceptionType.unknown:
       default:
-        print('❓ 알 수 없는 에러: ${err.message}');
+        log('❓ 알 수 없는 에러: ${err.message}');
     }
     handler.next(err);
   }
diff --git a/lib/core/network/interceptor/dio_request_interceptor.dart b/lib/core/network/interceptor/dio_request_interceptor.dart
index 6683c5b..fc5516a 100644
--- a/lib/core/network/interceptor/dio_request_interceptor.dart
+++ b/lib/core/network/interceptor/dio_request_interceptor.dart
@@ -1,13 +1,13 @@
 import 'dart:convert';
-
+import 'dart:developer';
 import 'package:dio/dio.dart';
 
 class DioRequestInterceptor extends InterceptorsWrapper {
   @override
   void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
-    print("╔ Body");
-    print("║ ${jsonEncode(options.data)}");
-    print("╚${'═' * 90}╝");
+    log("╔ Body");
+    log("║ ${jsonEncode(options.data)}");
+    log("╚${'═' * 90}╝");
     super.onRequest(options, handler);
   }
 }
diff --git a/lib/data/account/data_sources/account_data_source.dart b/lib/data/account/data_sources/account_data_source.dart
new file mode 100644
index 0000000..6f45ef2
--- /dev/null
+++ b/lib/data/account/data_sources/account_data_source.dart
@@ -0,0 +1,6 @@
+
+import 'package:jusicool_ios/data/account/dto/remote/response/my_account_response_dto.dart';
+
+abstract class AccountDataSource {
+  Future<MyAccountResponseDto> getMyAccount();
+}
diff --git a/lib/data/account/data_sources/account_data_source_impl.dart b/lib/data/account/data_sources/account_data_source_impl.dart
new file mode 100644
index 0000000..3c173ed
--- /dev/null
+++ b/lib/data/account/data_sources/account_data_source_impl.dart
@@ -0,0 +1,14 @@
+import 'package:jusicool_ios/data/account/data_sources/account_data_source.dart';
+import 'package:jusicool_ios/data/account/dto/remote/response/my_account_response_dto.dart';
+import '../service/account_api.dart';
+
+class AccountDataSourceImpl extends AccountDataSource {
+  final AccountApi _accountApi;
+
+  AccountDataSourceImpl(this._accountApi);
+
+  @override
+  Future<MyAccountResponseDto> getMyAccount() async {
+    return await _accountApi.getMyAccount();
+  }
+}
diff --git a/lib/data/account/dto/local/request/.gitkeep b/lib/data/account/dto/local/request/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/lib/data/account/dto/local/response/.gitkeep b/lib/data/account/dto/local/response/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/lib/data/account/dto/remote/request/.gitkeep b/lib/data/account/dto/remote/request/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/lib/data/account/dto/remote/response/my_account_response_dto.dart b/lib/data/account/dto/remote/response/my_account_response_dto.dart
new file mode 100644
index 0000000..b027466
--- /dev/null
+++ b/lib/data/account/dto/remote/response/my_account_response_dto.dart
@@ -0,0 +1,17 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'my_account_response_dto.freezed.dart';
+
+part 'my_account_response_dto.g.dart';
+
+@freezed
+abstract class MyAccountResponseDto with _$MyAccountResponseDto {
+  const factory MyAccountResponseDto({
+    required int id,
+    @JsonKey(name: 'krw_balance') required int krwBalance,
+    @JsonKey(name: 'usd_balance') required double usdBalance,
+  }) = _MyAccountResponseDto;
+
+  factory MyAccountResponseDto.fromJson(Map<String, dynamic> json) =>
+      _$MyAccountResponseDtoFromJson(json);
+}
diff --git a/lib/data/account/service/account_api.dart b/lib/data/account/service/account_api.dart
new file mode 100644
index 0000000..3b42c62
--- /dev/null
+++ b/lib/data/account/service/account_api.dart
@@ -0,0 +1,14 @@
+import 'package:dio/dio.dart';
+import 'package:jusicool_ios/data/account/dto/remote/response/my_account_response_dto.dart';
+import 'package:retrofit/error_logger.dart';
+import 'package:retrofit/http.dart';
+
+part 'account_api.g.dart';
+
+@RestApi()
+abstract class AccountApi {
+  factory AccountApi(Dio dio, {String baseUrl}) = _AccountApi;
+
+  @GET('/account/my')
+  Future<MyAccountResponseDto> getMyAccount();
+}
diff --git a/lib/data/user/mappers/remote/request/sign_up_verify_email_request_mapper.dart b/lib/data/user/mappers/remote/request/sign_up_verify_email_request_mapper.dart
index 8231896..bf6685e 100644
--- a/lib/data/user/mappers/remote/request/sign_up_verify_email_request_mapper.dart
+++ b/lib/data/user/mappers/remote/request/sign_up_verify_email_request_mapper.dart
@@ -1,6 +1,5 @@
 import 'package:jusicool_ios/data/user/dto/remote/request/sign_up_verify_email_request_dto.dart';
-
-import '../../../../../domain/sign_up/entity/sign_up_email_entity.dart';
+import 'package:jusicool_ios/domain/sign_up/entity/sign_up_email_entity.dart';
 
 class SignUpVerifyEmailRequestMapper {
   static SignUpVerifyEmailRequestDto toDto(SignUpEmailEntity entity) =>
diff --git a/lib/data/user/repositories/user_repository_impl.dart b/lib/data/user/repositories/user_repository_impl.dart
index 8368023..c2d80ff 100644
--- a/lib/data/user/repositories/user_repository_impl.dart
+++ b/lib/data/user/repositories/user_repository_impl.dart
@@ -2,9 +2,11 @@ import 'package:jusicool_ios/data/user/data_sources/user_data_source.dart';
 import 'package:jusicool_ios/data/user/dto/remote/request/sign_in_request_dto.dart';
 import 'package:jusicool_ios/data/user/dto/remote/request/sign_up_request_dto.dart';
 import 'package:jusicool_ios/data/user/dto/remote/request/sign_up_search_school_request_dto.dart';
+import 'package:jusicool_ios/data/user/dto/remote/request/sign_up_send_email_request_dto.dart';
 import 'package:jusicool_ios/data/user/dto/remote/request/sign_up_verify_email_request_dto.dart';
 import 'package:jusicool_ios/data/user/mappers/remote/request/sign_in_request_mapper.dart';
 import 'package:jusicool_ios/data/user/mappers/remote/request/sign_up_request_mapper.dart';
+import 'package:jusicool_ios/data/user/mappers/remote/request/sign_up_search_school_request_mapper.dart';
 import 'package:jusicool_ios/data/user/mappers/remote/request/sign_up_send_email_request_mapper.dart';
 import 'package:jusicool_ios/data/user/mappers/remote/request/sign_up_verify_email_request_mapper.dart';
 import 'package:jusicool_ios/data/user/mappers/remote/response/sign_up_search_school_response_mapper.dart';
@@ -14,8 +16,6 @@ import 'package:jusicool_ios/domain/sign_up/entity/sign_up_email_entity.dart';
 import 'package:jusicool_ios/domain/sign_up/entity/sign_up_entity.dart';
 import 'package:jusicool_ios/domain/sign_up/entity/sign_up_search_school_entity.dart';
 import 'package:jusicool_ios/domain/sign_up/repositories/sign_up_repository.dart';
-import '../dto/remote/request/sign_up_send_email_request_dto.dart';
-import '../mappers/remote/request/sign_up_search_school_request_mapper.dart';
 
 class UserRepositoryImpl implements SignInRepository, SignUpRepository {
   final UserDataSource _userDataSource;
diff --git a/lib/main.dart b/lib/main.dart
index dbe5db4..7222dbc 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -3,7 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/core/config/di/dependencies.dart';
 import 'core/config/router/router.dart';
 import 'core/config/theme/app_theme.dart';
@@ -26,7 +26,7 @@ void main() async {
     ),
   );
 
-  runApp(ProviderScope(child: const MyApp()));
+  runApp(const ProviderScope(child: MyApp()));
 }
 
 class MyApp extends StatelessWidget {
diff --git a/lib/presentation/community/screens/community_post_detail_screen.dart b/lib/presentation/community/screens/community_post_detail_screen.dart
index 627ba24..16ad6f9 100644
--- a/lib/presentation/community/screens/community_post_detail_screen.dart
+++ b/lib/presentation/community/screens/community_post_detail_screen.dart
@@ -1,10 +1,9 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart'
+    hide CommentTextField;
 import 'package:jusicool_ios/presentation/community/widgets/comment_item.dart';
 import 'package:jusicool_ios/presentation/community/widgets/comment_textfield.dart';
 import 'package:jusicool_ios/presentation/community/widgets/like_button.dart';
-
 import 'community_post_edit_screen.dart';
 
 class CommunityPostDetailScreen extends StatefulWidget {
diff --git a/lib/presentation/community/screens/community_post_edit_screen.dart b/lib/presentation/community/screens/community_post_edit_screen.dart
index ec1b3d0..6b0036e 100644
--- a/lib/presentation/community/screens/community_post_edit_screen.dart
+++ b/lib/presentation/community/screens/community_post_edit_screen.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class CommunityPostEditScreen extends StatefulWidget {
   final String initialTitle;
diff --git a/lib/presentation/community/screens/community_post_list_screen.dart b/lib/presentation/community/screens/community_post_list_screen.dart
index 8d698c7..86f4f9f 100644
--- a/lib/presentation/community/screens/community_post_list_screen.dart
+++ b/lib/presentation/community/screens/community_post_list_screen.dart
@@ -1,9 +1,7 @@
 import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
-
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'community_post_detail_screen.dart';
 import 'community_post_write_screen.dart';
 
@@ -83,7 +81,10 @@ class _CommunityPostListScreenState extends State<CommunityPostListScreen> {
                       child: Column(
                         crossAxisAlignment: CrossAxisAlignment.start,
                         children: [
-                          Text(post['title'], style: JusicoolTypography.titleSmall),
+                          Text(
+                            post['title'],
+                            style: JusicoolTypography.titleSmall,
+                          ),
                           const SizedBox(height: 8),
                           Text(
                             post['content'],
diff --git a/lib/presentation/community/screens/community_post_write_screen.dart b/lib/presentation/community/screens/community_post_write_screen.dart
index 4479309..8507e4d 100644
--- a/lib/presentation/community/screens/community_post_write_screen.dart
+++ b/lib/presentation/community/screens/community_post_write_screen.dart
@@ -1,7 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
-import 'package:jusicool_design_system/src/ui/widgets/button/button_medium.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class CommunityPostWriteScreen extends StatefulWidget {
   const CommunityPostWriteScreen({super.key});
@@ -105,8 +103,10 @@ class _WritePostScreenState extends State<CommunityPostWriteScreen> {
           child: AppButtonMedium(
             text: '올리기',
             onPressed: isFormValid ? _uploadPost : null,
-            backgroundColor: isFormValid ? JusicoolColor.main : JusicoolColor.gray400,
-            textColor: isFormValid ? JusicoolColor.white : JusicoolColor.gray600,
+            backgroundColor:
+                isFormValid ? JusicoolColor.main : JusicoolColor.gray400,
+            textColor:
+                isFormValid ? JusicoolColor.white : JusicoolColor.gray600,
             borderColor: Colors.transparent,
           ),
         ),
diff --git a/lib/presentation/community/widgets/comment_item.dart b/lib/presentation/community/widgets/comment_item.dart
index d5f940e..4ba8447 100644
--- a/lib/presentation/community/widgets/comment_item.dart
+++ b/lib/presentation/community/widgets/comment_item.dart
@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class CommentItem extends StatelessWidget {
   final String name;
diff --git a/lib/presentation/community/widgets/comment_textfield.dart b/lib/presentation/community/widgets/comment_textfield.dart
index e7fc0b9..f42e0c9 100644
--- a/lib/presentation/community/widgets/comment_textfield.dart
+++ b/lib/presentation/community/widgets/comment_textfield.dart
@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class CommentTextField extends StatefulWidget {
   final void Function(String)? onSubmit;
+
   const CommentTextField({super.key, this.onSubmit});
 
   @override
diff --git a/lib/presentation/community/widgets/like_button.dart b/lib/presentation/community/widgets/like_button.dart
index 6f3c5fb..fe0ea3d 100644
--- a/lib/presentation/community/widgets/like_button.dart
+++ b/lib/presentation/community/widgets/like_button.dart
@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class LikeButton extends StatefulWidget {
   final int initialCount;
diff --git a/lib/presentation/my_capital/screens/maincapital_screen.dart b/lib/presentation/my_capital/screens/maincapital_screen.dart
index d201989..0105f81 100644
--- a/lib/presentation/my_capital/screens/maincapital_screen.dart
+++ b/lib/presentation/my_capital/screens/maincapital_screen.dart
@@ -13,14 +13,14 @@ class StockCard extends StatelessWidget {
   final double changePercentage;
 
   const StockCard({
-    Key? key,
+    super.key,
     required this.imagePath,
     required this.companyName,
     required this.stockCount,
     required this.amount,
     required this.changeValue,
     required this.changePercentage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -126,14 +126,14 @@ class CoinCard extends StatelessWidget {
   final double changePercentage;
 
   const CoinCard({
-    Key? key,
+    super.key,
     required this.imagePath,
     required this.companyName,
     required this.stockCount,
     required this.amount,
     required this.changeValue,
     required this.changePercentage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -235,17 +235,17 @@ class MainCapitalScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final int investmentValue = 123456789;
-    final int changeValue = -6555778;
-    final double changePercent = 4.0;
+    const int investmentValue = 123456789;
+    const int changeValue = -6555778;
+    const double changePercent = 4.0;
 
-    final int monthlyOrderCount = 6;
+    const int monthlyOrderCount = 6;
     final String formattedOrderCount = NumberFormat(
       '#,###',
     ).format(monthlyOrderCount);
-    final String monthlyOrderText = "이번달 ${formattedOrderCount}건";
+    final String monthlyOrderText = "이번달 $formattedOrderCount건";
 
-    final int monthlyProfitValue = 111111111;
+    const int monthlyProfitValue = 111111111;
     final String formattedMonthlyProfit = NumberFormat(
       '#,###',
     ).format(monthlyProfitValue);
diff --git a/lib/presentation/my_capital/screens/my_assets_screen.dart b/lib/presentation/my_capital/screens/my_assets_screen.dart
index 3fbfc57..05bd9e0 100644
--- a/lib/presentation/my_capital/screens/my_assets_screen.dart
+++ b/lib/presentation/my_capital/screens/my_assets_screen.dart
@@ -3,8 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:fl_chart/fl_chart.dart';
 import 'package:intl/intl.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/my_capital/widgets/my_asset_tile.dart';
 import '../../../domain/my_capital/entities/my_assets.dart';
 
@@ -52,7 +51,7 @@ class _MyAssetsScreenState extends State<MyAssetsScreen> {
         backgroundColor: JusicoolColor.white,
         centerTitle: true,
         elevation: 0,
-        leading: BackButton(color: JusicoolColor.black),
+        leading: const BackButton(color: JusicoolColor.black),
         title: Text('내 자산', style: JusicoolTypography.subTitle),
       ),
       body: SafeArea(
@@ -149,7 +148,7 @@ class _MyAssetsScreenState extends State<MyAssetsScreen> {
                     physics: const NeverScrollableScrollPhysics(),
                     shrinkWrap: true,
                     itemCount: data.sections.length,
-                    separatorBuilder: (_, __) => const SizedBox(height: 24),
+                    separatorBuilder: (_, _) => const SizedBox(height: 24),
                     itemBuilder: (context, index) {
                       final s = data.sections[index];
                       return MyAssetTile(
diff --git a/lib/presentation/my_capital/screens/order_screens/order_detail_screen.dart b/lib/presentation/my_capital/screens/order_screens/order_detail_screen.dart
index a48f454..900c5e8 100644
--- a/lib/presentation/my_capital/screens/order_screens/order_detail_screen.dart
+++ b/lib/presentation/my_capital/screens/order_screens/order_detail_screen.dart
@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/my_capital/screens/order_screens/order_item.dart';
 
 class OrderDetailScreen extends StatefulWidget {
@@ -26,6 +25,7 @@ class _OrderDetailScreenState extends State<OrderDetailScreen>
     _tabController.dispose();
     super.dispose();
   }
+
   //====================================
 
   List<Map<String, dynamic>> _generateDummyCompletedOrders() {
@@ -82,13 +82,13 @@ class _OrderDetailScreenState extends State<OrderDetailScreen>
 
     final statusBarHeight = MediaQuery.of(context).padding.top;
 
-    const JusicoolBarHeight = kToolbarHeight;
+    const double jusicoolBarHeight = kToolbarHeight;
 
     const tabBarHeight = 48.0;
 
     final adjustedTopPadding =
-        (176.h - statusBarHeight - JusicoolBarHeight - tabBarHeight) > 0
-            ? (176.h - statusBarHeight - JusicoolBarHeight - tabBarHeight)
+        (176.h - statusBarHeight - jusicoolBarHeight - tabBarHeight) > 0
+            ? (176.h - statusBarHeight - jusicoolBarHeight - tabBarHeight)
             : 0.0;
 
     return Scaffold(
@@ -115,7 +115,7 @@ class _OrderDetailScreenState extends State<OrderDetailScreen>
                 : JusicoolColor.white;
           }),
           splashFactory: NoSplash.splashFactory,
-          indicator: BoxDecoration(
+          indicator: const BoxDecoration(
             color: JusicoolColor.white,
             border: Border(
               bottom: BorderSide(color: JusicoolColor.black, width: 1.0),
diff --git a/lib/presentation/my_capital/screens/order_screens/order_item.dart b/lib/presentation/my_capital/screens/order_screens/order_item.dart
index 82fb778..2751897 100644
--- a/lib/presentation/my_capital/screens/order_screens/order_item.dart
+++ b/lib/presentation/my_capital/screens/order_screens/order_item.dart
@@ -1,8 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:intl/intl.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class OrderItem extends StatelessWidget {
   final String companyName;
@@ -22,7 +21,7 @@ class OrderItem extends StatelessWidget {
     final formattedAmount = numberFormat.format(amount.abs());
     final changeColor = amount >= 0 ? JusicoolColor.error : JusicoolColor.main;
 
-    return Container(
+    return SizedBox(
       width: 312.w,
       height: 40.h,
       child: Column(
diff --git a/lib/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart b/lib/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart
index 9e104c1..93cf137 100644
--- a/lib/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart
+++ b/lib/presentation/my_capital/screens/revenue_screens/monthlyrevenue_screen.dart
@@ -1,8 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:intl/intl.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/my_capital/screens/revenue_screens/revenuecard.dart';
 import 'package:go_router/go_router.dart';
 
@@ -206,7 +205,7 @@ class _MonthlyRevenueScreenState extends State<MonthlyRevenueScreen>
                         : JusicoolColor.white;
                   }),
                   splashFactory: NoSplash.splashFactory,
-                  indicator: BoxDecoration(
+                  indicator: const BoxDecoration(
                     color: JusicoolColor.white,
                     border: Border(
                       bottom: BorderSide(
diff --git a/lib/presentation/my_capital/screens/revenue_screens/revenuecard.dart b/lib/presentation/my_capital/screens/revenue_screens/revenuecard.dart
index fc290a8..3893398 100644
--- a/lib/presentation/my_capital/screens/revenue_screens/revenuecard.dart
+++ b/lib/presentation/my_capital/screens/revenue_screens/revenuecard.dart
@@ -1,8 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:intl/intl.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class RevenueCard extends StatelessWidget {
   final String imagePath;
@@ -12,13 +11,13 @@ class RevenueCard extends StatelessWidget {
   final double changePercentage;
 
   const RevenueCard({
-    Key? key,
+    super.key,
     required this.imagePath,
     required this.companyName,
     required this.amount,
     required this.changeValue,
     required this.changePercentage,
-  }) : super(key: key);
+  });
 
   String getFormattedAmount() {
     final numberFormat = NumberFormat("#,###", "en_US");
@@ -46,7 +45,7 @@ class RevenueCard extends StatelessWidget {
     final String formattedAmount = getFormattedAmount();
     final Color changeColor = getChangeColor();
 
-    return Container(
+    return SizedBox(
       width: 312.w,
       height: 48.h,
       child: Row(
@@ -81,11 +80,11 @@ class RevenueCard extends StatelessWidget {
             ),
           ),
           Expanded(child: Container()), // 남은 공간 채우기
-          Container(
+          SizedBox(
             width: 160.w,
             height: 44.h,
             child: Padding(
-              padding: EdgeInsets.only(top: 0, bottom: 0),
+              padding: const EdgeInsets.only(top: 0, bottom: 0),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.end,
                 mainAxisAlignment: MainAxisAlignment.center,
diff --git a/lib/presentation/my_capital/widgets/my_asset_tile.dart b/lib/presentation/my_capital/widgets/my_asset_tile.dart
index 7fc65cb..654b47d 100644
--- a/lib/presentation/my_capital/widgets/my_asset_tile.dart
+++ b/lib/presentation/my_capital/widgets/my_asset_tile.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 
 class MyAssetTile extends StatelessWidget {
   final String stockName; // 종목명 (예: AMDL)
diff --git a/lib/presentation/news/screens/news_list_screen.dart b/lib/presentation/news/screens/news_list_screen.dart
index e2f0501..2367590 100644
--- a/lib/presentation/news/screens/news_list_screen.dart
+++ b/lib/presentation/news/screens/news_list_screen.dart
@@ -1,10 +1,7 @@
 import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:jusicool_design_system/src/ui/widgets/card/news_card.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 /// 뉴스 아이템 데이터 모델
@@ -33,7 +30,7 @@ class NewsItem {
 
 /// 뉴스 리스트 화면
 class NewsListScreen extends StatefulWidget {
-  const NewsListScreen({Key? key}) : super(key: key);
+  const NewsListScreen({super.key});
 
   @override
   State<NewsListScreen> createState() => _NewsListScreenState();
@@ -67,9 +64,11 @@ class _NewsListScreenState extends State<NewsListScreen> {
       });
     } catch (e) {
       debugPrint('뉴스 로드 실패: $e');
-      ScaffoldMessenger.of(
-        context,
-      ).showSnackBar(const SnackBar(content: Text('뉴스 데이터를 불러올 수 없습니다.')));
+      if (mounted) {
+        ScaffoldMessenger.of(
+          context,
+        ).showSnackBar(const SnackBar(content: Text('뉴스 데이터를 불러올 수 없습니다.')));
+      }
     }
   }
 
@@ -88,9 +87,11 @@ class _NewsListScreenState extends State<NewsListScreen> {
     if (await canLaunchUrl(uri)) {
       await launchUrl(uri, mode: LaunchMode.externalApplication);
     } else {
-      ScaffoldMessenger.of(
+      if(mounted) {
+        ScaffoldMessenger.of(
         context,
       ).showSnackBar(const SnackBar(content: Text('링크를 열 수 없습니다.')));
+      }
     }
   }
 
@@ -105,7 +106,7 @@ class _NewsListScreenState extends State<NewsListScreen> {
   @override
   Widget build(BuildContext context) {
     final double statusBarHeight = MediaQuery.of(context).padding.top;
-    final double JusicoolBarHeight = kToolbarHeight + statusBarHeight;
+    final double jusicoolBarHeight = kToolbarHeight + statusBarHeight;
 
     return Scaffold(
       backgroundColor: JusicoolColor.white,
@@ -116,12 +117,12 @@ class _NewsListScreenState extends State<NewsListScreen> {
             padding: EdgeInsets.symmetric(horizontal: 16.w),
             child:
                 _newsItems.isEmpty
-                    ? Center(child: CircularProgressIndicator())
+                    ? const Center(child: CircularProgressIndicator())
                     : ListView.separated(
                       controller: _scrollController,
-                      padding: EdgeInsets.only(top: JusicoolBarHeight + 24.h),
+                      padding: EdgeInsets.only(top: jusicoolBarHeight + 24.h),
                       itemCount: _newsItems.length,
-                      separatorBuilder: (_, __) => SizedBox(height: 20.h),
+                      separatorBuilder: (_, _) => SizedBox(height: 20.h),
                       itemBuilder: (context, index) {
                         final item = _newsItems[index];
                         return GestureDetector(
@@ -138,7 +139,7 @@ class _NewsListScreenState extends State<NewsListScreen> {
           ),
           // 커스텀 JusicoolBar
           Container(
-            height: JusicoolBarHeight,
+            height: jusicoolBarHeight,
             padding: EdgeInsets.only(top: statusBarHeight),
             color: _getJusicoolBarColor(),
             child: Row(
@@ -150,7 +151,9 @@ class _NewsListScreenState extends State<NewsListScreen> {
                 const Spacer(),
                 Text(
                   "뉴스",
-                  style: JusicoolTypography.subTitle.copyWith(color: Colors.black),
+                  style: JusicoolTypography.subTitle.copyWith(
+                    color: Colors.black,
+                  ),
                 ),
                 const Spacer(),
                 SizedBox(width: 48.w), // 아이콘 영역 여백
diff --git a/lib/presentation/sign_in/controller/sign_in_controller.dart b/lib/presentation/sign_in/controller/sign_in_controller.dart
index d9223f1..1729582 100644
--- a/lib/presentation/sign_in/controller/sign_in_controller.dart
+++ b/lib/presentation/sign_in/controller/sign_in_controller.dart
@@ -1,8 +1,6 @@
 import 'package:email_validator/email_validator.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-import 'package:jusicool_ios/core/config/router/router.dart';
 import 'package:jusicool_ios/domain/sign_in/usecase/sign_in_usecase.dart';
 import '../../../core/config/di/dependencies.dart';
 import '../mapper/sign_in_mapper.dart';
@@ -76,18 +74,18 @@ class UserSignInController extends StateNotifier<SignInState> {
     state = state.copyWith(enableButton: enable);
   }
 
-  void signIn(BuildContext context) {
+  bool signIn() {
     if (state.email.isEmpty || state.password.isEmpty) {
       _setError("이메일과 비밀번호를 입력해주세요.");
-      return;
+      return false;
     }
     if (!EmailValidator.validate(state.email)) {
       _setError("유효한 이메일을 입력해주세요.");
-      return;
+      return false;
     }
     if (!_isValidPassword(state.password)) {
       _setError("비밀번호는 8~13자이며, 문자, 숫자, 특수문자 중 2가지 이상 포함해야 합니다.");
-      return;
+      return false;
     }
 
     _clearError();
@@ -96,11 +94,13 @@ class UserSignInController extends StateNotifier<SignInState> {
     _signInUseCase
         .signIn(request)
         .then((_) {
-          context.pushReplacement(RoutePaths.main);
+          return true;
         })
         .catchError((error) {
           _setError("아이디와 비밀번호를 다시 한 번 확인해주세요");
+          return false;
         });
+    return false;
   }
 
   @override
diff --git a/lib/presentation/sign_in/screens/login_screen.dart b/lib/presentation/sign_in/screens/login_screen.dart
index b114c1d..17752b8 100644
--- a/lib/presentation/sign_in/screens/login_screen.dart
+++ b/lib/presentation/sign_in/screens/login_screen.dart
@@ -1,13 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:go_router/go_router.dart';
 import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/sign_in/screens/widgets/input_field.dart';
-import '../../sign_up/screens/name_input_screen.dart';
+import '../../../core/config/router/router.dart';
 import '../controller/sign_in_controller.dart';
 
 class LoginScreen extends ConsumerWidget {
-  LoginScreen({super.key});
+  const LoginScreen({super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
@@ -55,13 +56,18 @@ class LoginScreen extends ConsumerWidget {
                 ),
               ],
             ),
-            Spacer(),
+            const Spacer(),
             Column(
               spacing: 8.h,
               children: [
                 AppButtonMedium(
                   text: '로그인',
-                  onPressed: () => provider.signIn(context),
+                  onPressed: () {
+                    final result = provider.signIn();
+                    if (result) {
+                      context.pushReplacement(RoutePaths.main);
+                    }
+                  },
                   backgroundColor:
                       state.enableButton
                           ? JusicoolColor.main
@@ -83,14 +89,7 @@ class LoginScreen extends ConsumerWidget {
                   ),
                 ),
                 GestureDetector(
-                  onTap: () {
-                    Navigator.push(
-                      context,
-                      MaterialPageRoute(
-                        builder: (context) => const NameInputScreen(),
-                      ),
-                    );
-                  },
+                  onTap: () => context.push(RoutePaths.nameInput),
                   child: Text(
                     '회원가입',
                     style: JusicoolTypography.bodySmall.copyWith(
diff --git a/lib/presentation/sign_in/screens/widgets/input_field.dart b/lib/presentation/sign_in/screens/widgets/input_field.dart
index 17ee6da..087025d 100644
--- a/lib/presentation/sign_in/screens/widgets/input_field.dart
+++ b/lib/presentation/sign_in/screens/widgets/input_field.dart
@@ -33,7 +33,7 @@ class InputField extends StatelessWidget {
             color: hasError ? JusicoolColor.error : JusicoolColor.black,
           ),
         ),
-        SizedBox.shrink(),
+        const SizedBox.shrink(),
         TextFormField(
           controller: controller,
           obscureText: obscureText,
diff --git a/lib/presentation/sign_up/controller/sign_up_email_controller.dart b/lib/presentation/sign_up/controller/sign_up_email_controller.dart
index 5a9e194..3a76da0 100644
--- a/lib/presentation/sign_up/controller/sign_up_email_controller.dart
+++ b/lib/presentation/sign_up/controller/sign_up_email_controller.dart
@@ -2,14 +2,11 @@ import 'dart:async';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:email_validator/email_validator.dart';
-import 'package:go_router/go_router.dart';
 import 'package:jusicool_ios/domain/sign_up/entity/sign_up_email_entity.dart';
 import 'package:jusicool_ios/domain/sign_up/usecase/sign_up_usecase.dart';
 import 'package:jusicool_ios/presentation/sign_up/mapper/sign_up_email_mapper.dart';
 import 'package:jusicool_ios/presentation/sign_up/state/sign_up_email_state.dart';
-
 import '../../../core/config/di/dependencies.dart';
-import '../../../core/config/router/router.dart';
 
 final emailAuthControllerProvider =
     StateNotifierProvider<EmailAuthController, SignUpEmailState>(
@@ -98,7 +95,7 @@ class EmailAuthController extends StateNotifier<SignUpEmailState> {
     }
   }
 
-  void sendVerificationCode(BuildContext context) {
+  bool sendVerificationCode() {
     final code = state.verify;
     if (code.isEmpty || code.length != 6) {
       state = state.copyWith(
@@ -106,7 +103,7 @@ class EmailAuthController extends StateNotifier<SignUpEmailState> {
         enableButton: false,
         errorMessage: "인증번호를 입력해주세요.",
       );
-      return;
+      return false;
     }
 
     state = state.copyWith(
@@ -120,12 +117,14 @@ class EmailAuthController extends StateNotifier<SignUpEmailState> {
     _signUpUseCase
         .verifyEmail(request)
         .then((_) {
-          context.push(RoutePaths.passwordCreate);
           state = state.copyWith(isCodeMatched: true, isSendingCode: false);
+          return true;
         })
         .catchError((error) {
           state = state.copyWith(isCodeMatched: false, isSendingCode: false);
+          return false;
         });
+    return false;
   }
 
   void _startVerificationTimers() {
diff --git a/lib/presentation/sign_up/controller/sign_up_password_controller.dart b/lib/presentation/sign_up/controller/sign_up_password_controller.dart
index 7346154..d2dfc5b 100644
--- a/lib/presentation/sign_up/controller/sign_up_password_controller.dart
+++ b/lib/presentation/sign_up/controller/sign_up_password_controller.dart
@@ -11,7 +11,7 @@ final signupPasswordControllerProvider =
     );
 
 class SignupPasswordController extends StateNotifier<SignUpPasswordState> {
-  SignupPasswordController() : super(SignUpPasswordState()) {
+  SignupPasswordController() : super(const SignUpPasswordState()) {
     _passwordController.addListener(_onPasswordChanged);
     _confirmPasswordController.addListener(_onConfirmPasswordChanged);
   }
diff --git a/lib/presentation/sign_up/controller/sign_up_school_controller.dart b/lib/presentation/sign_up/controller/sign_up_school_controller.dart
index 504436a..b8ecfb2 100644
--- a/lib/presentation/sign_up/controller/sign_up_school_controller.dart
+++ b/lib/presentation/sign_up/controller/sign_up_school_controller.dart
@@ -1,7 +1,5 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-import 'package:jusicool_ios/core/config/router/router.dart';
 import 'package:jusicool_ios/domain/sign_up/entity/sign_up_entity.dart';
 import 'package:jusicool_ios/domain/sign_up/usecase/sign_up_usecase.dart';
 import 'package:jusicool_ios/presentation/sign_up/mapper/sign_up_search_school_mapper.dart';
@@ -15,10 +13,11 @@ final signupSchoolControllerProvider =
     );
 
 class SignupSchoolController extends StateNotifier<SignUpSchoolState> {
-  SignUpUseCase _signUpUseCase;
+  final SignUpUseCase _signUpUseCase;
   final _schoolNameSubject = PublishSubject<String>();
 
-  SignupSchoolController(this._signUpUseCase) : super(SignUpSchoolState()) {
+  SignupSchoolController(this._signUpUseCase)
+    : super(const SignUpSchoolState()) {
     _schoolNameController.addListener(() {
       _schoolNameSubject.add(_schoolNameController.text);
     });
@@ -35,7 +34,6 @@ class SignupSchoolController extends StateNotifier<SignUpSchoolState> {
   TextEditingController get schoolNameController => _schoolNameController;
 
   void searchSchool() {
-    print(state.toString());
     _signUpUseCase
         .searchSchool(_schoolNameController.text)
         .then((result) {
@@ -43,7 +41,6 @@ class SignupSchoolController extends StateNotifier<SignUpSchoolState> {
             state = state.copyWith(
               filteredSchools: SignUpSearchSchoolMapper.toState(result),
             );
-            print(state.toString());
           } else {
             state = state.copyWith(filteredSchools: []);
           }
@@ -57,15 +54,14 @@ class SignupSchoolController extends StateNotifier<SignUpSchoolState> {
     state = state.copyWith(selectedSchool: school);
   }
 
-  void start({
-    required BuildContext context,
+  bool start({
     required String email,
     required String password,
     required String name,
   }) {
     final String? schoolName = state.selectedSchool?.schoolName;
     if (schoolName == null) {
-      return;
+      return false;
     } else {
       _signUpUseCase
           .signUp(
@@ -77,9 +73,12 @@ class SignupSchoolController extends StateNotifier<SignUpSchoolState> {
             ),
           )
           .then((value) {
-            context.pushReplacement(RoutePaths.main);
+            return true;
           })
-          .catchError((error) {});
+          .catchError((error) {
+            return false;
+          });
+      return false;
     }
   }
 
diff --git a/lib/presentation/sign_up/screens/email_auth_screen.dart b/lib/presentation/sign_up/screens/email_auth_screen.dart
index dc68eb7..4508229 100644
--- a/lib/presentation/sign_up/screens/email_auth_screen.dart
+++ b/lib/presentation/sign_up/screens/email_auth_screen.dart
@@ -2,8 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:jusicool_design_system/src/core/theme/colors/color_palette.dart';
-import 'package:jusicool_design_system/src/core/theme/texts/typography.dart';
+import 'package:go_router/go_router.dart';
+import 'package:jusicool_design_system/jusicool_design_system.dart';
+import 'package:jusicool_ios/core/config/router/router.dart';
 import '../controller/sign_up_email_controller.dart';
 
 class EmailAuthScreen extends ConsumerWidget {
@@ -235,7 +236,13 @@ class EmailAuthScreen extends ConsumerWidget {
                 onPressed:
                     state.enableButton
                         ? state.codeSent
-                            ? () => controller.sendVerificationCode(context)
+                            ? () {
+                              bool result = controller.sendVerificationCode(
+                              );
+                              if (result) {
+                                context.push(RoutePaths.passwordCreate);
+                              }
+                            }
                             : controller.sendEmail
                         : null,
                 isLoading: state.isSendingCode,
diff --git a/lib/presentation/sign_up/screens/find_school_screen.dart b/lib/presentation/sign_up/screens/find_school_screen.dart
index bc433d0..c817cb4 100644
--- a/lib/presentation/sign_up/screens/find_school_screen.dart
+++ b/lib/presentation/sign_up/screens/find_school_screen.dart
@@ -2,8 +2,10 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:go_router/go_router.dart';
 import 'package:jusicool_design_system/jusicool_design_system.dart';
 import 'package:jusicool_ios/presentation/sign_up/controller/sign_up_email_controller.dart';
+import '../../../core/config/router/router.dart';
 import '../controller/sign_up_name_controller.dart';
 import '../controller/sign_up_password_controller.dart';
 import '../controller/sign_up_school_controller.dart';
@@ -134,10 +136,10 @@ class FindSchoolScreen extends ConsumerWidget {
               borderRadius: BorderRadius.circular(8.r),
             ),
             child: Container(
-              padding: EdgeInsets.all(15),
+              padding: const EdgeInsets.all(15),
               decoration: BoxDecoration(
                 border: Border.all(
-                  color: JusicoolColor.main.withValues(alpha:0.5),
+                  color: JusicoolColor.main.withValues(alpha: 0.5),
                   width: 1.sp,
                 ),
                 borderRadius: BorderRadius.circular(8),
@@ -267,16 +269,17 @@ class FindSchoolScreen extends ConsumerWidget {
               ),
               Column(
                 children: [
-                  _startButton(
-                    isSchoolSelected,
-                    () => provider.start(
-                      context: context,
+                  _startButton(isSchoolSelected, () {
+                    final result = provider.start(
                       email: ref.watch(emailAuthControllerProvider).email,
                       password:
                           ref.watch(signupPasswordControllerProvider).password,
                       name: ref.watch(nameControllerProvider).username,
-                    ),
-                  ),
+                    );
+                    if (result) {
+                      context.pushReplacement(RoutePaths.main);
+                    }
+                  }),
                 ],
               ),
             ],
diff --git a/lib/presentation/sign_up/screens/name_input_screen.dart b/lib/presentation/sign_up/screens/name_input_screen.dart
index 770d2a8..4cea720 100644
--- a/lib/presentation/sign_up/screens/name_input_screen.dart
+++ b/lib/presentation/sign_up/screens/name_input_screen.dart
@@ -88,7 +88,7 @@ class NameInputScreen extends ConsumerWidget {
                   controller: provider.controller,
                   hintText: '실명을 적어주세요',
                   errorText: state.errorMessage,
-                  validator: (String) {
+                  validator: (String? value) {
                     return null;
                   },
                 ),
diff --git a/lib/presentation/sign_up/screens/password_create_screen.dart b/lib/presentation/sign_up/screens/password_create_screen.dart
index 8334191..a2fbec9 100644
--- a/lib/presentation/sign_up/screens/password_create_screen.dart
+++ b/lib/presentation/sign_up/screens/password_create_screen.dart
@@ -62,7 +62,7 @@ class PasswordCreateScreen extends ConsumerWidget {
                         !state.isPasswordValid
                             ? '영문, 숫자, 특수문자 중 2개 이상 조합으로 8~13자'
                             : null,
-                    validator: (String) => null,
+                    validator: (String? value) => null,
                   ),
                 ],
               ),
@@ -85,7 +85,7 @@ class PasswordCreateScreen extends ConsumerWidget {
                     obscureText: true,
                     errorText:
                         !state.isPasswordMatched ? '비밀번호가 일치하지 않아요' : null,
-                    validator: (String) => null,
+                    validator: (String? value) => null,
                   ),
                 ],
               ),
diff --git a/pubspec.yaml b/pubspec.yaml
index 6fe4a71..eb2e504 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -56,6 +56,7 @@ dependencies:
   flutter_riverpod: ^2.6.1
   
   rxdart: ^0.28.0
+  flutter_lints: ^6.0.0
 
 
 dev_dependencies: