diff --git a/README.md b/README.md
index 8b58429..daccaf7 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# jaga_jindan
+# 자가진단
 
 
 <p align="center">
diff --git a/lib/main.dart b/lib/main.dart
index 5c9e95a..1777942 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -48,6 +48,7 @@ class MyApp extends StatelessWidget {
       ),
       home: obj,
       darkTheme: ThemeData.dark(),
+      debugShowCheckedModeBanner: false,
     );
   }
 }
@@ -183,6 +184,10 @@ class _MainPageState extends State<MainPage> {
                         controller: this.widget.nameController,
                       ),
                       TextFormField(
+                        onChanged: (text) {
+                          this.widget.data.birthday = text;
+                          this.widget.writeJSON();
+                        },
                         keyboardType: TextInputType.number,
                         decoration: const InputDecoration(
                             hintText: "생년월일을 입력하세요. (YYMMDD)"),
@@ -192,10 +197,6 @@ class _MainPageState extends State<MainPage> {
                           }
                           return null;
                         },
-                        onChanged: (text) {
-                          this.widget.data.birthday = text;
-                          this.widget.writeJSON();
-                        },
                         controller: this.widget.birthdayController,
                       ),
                       Row(
@@ -571,10 +572,10 @@ class _MainPageState extends State<MainPage> {
                                     CheckboxListTile(
                                         contentPadding: EdgeInsets.zero,
                                         title: const Text('자가진단 결과 알림으로 받기'),
-                                        value: this.widget.data.noti,
+                                        value: this.widget.data.useNotification,
                                         onChanged: (bool value) {
                                           _setState(() {
-                                            this.widget.data.noti = value;
+                                            this.widget.data.useNotification = value;
                                             this.widget.writeJSON();
                                           });
                                         }),
@@ -646,10 +647,10 @@ class _MainPageState extends State<MainPage> {
                               ),
                               actions: <Widget>[
                                 FlatButton(
-                                  child: Text('닫기'),
                                   onPressed: () {
                                     Navigator.of(context).pop();
                                   },
+                                  child: Text('닫기'),
                                 ),
                               ],
                             );
diff --git a/lib/send_survey.dart b/lib/send_survey.dart
index 6e22f97..cb36e18 100644
--- a/lib/send_survey.dart
+++ b/lib/send_survey.dart
@@ -26,28 +26,42 @@ Future onDidReceiveLocalNotification(
 
 Future selectNotification(String payload) async {
   if (payload != null) {
-    debugPrint('notification payload: ' + payload);
+    //debugPrint('notification payload: ' + payload);
     toast(payload);
   }
 }
 
 FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
-FlutterLocalNotificationsPlugin();
-var initializationSettingsAndroid = AndroidInitializationSettings('app_icon');
-var initializationSettingsIOS = IOSInitializationSettings(
-    onDidReceiveLocalNotification: onDidReceiveLocalNotification);
-var initializationSettings = InitializationSettings(
-    initializationSettingsAndroid, initializationSettingsIOS);
-var androidPlatformChannelSpecifics = AndroidNotificationDetails(
-    'com.nlog.flutterlocalnotifications.ScheduledNotificationBootReceiver',
-    '자가진단 자동화',
-    '자동으로 자가진단 설문을 제출합니다.',
-    importance: Importance.Max,
-    priority: Priority.High,
-    ticker: 'ticker');
-var iOSPlatformChannelSpecifics = IOSNotificationDetails();
-var platformChannelSpecifics = NotificationDetails(
-    androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
+    FlutterLocalNotificationsPlugin();
+const AndroidInitializationSettings initializationSettingsAndroid =
+    AndroidInitializationSettings('app_icon');
+final IOSInitializationSettings initializationSettingsIOS =
+    IOSInitializationSettings(
+  requestSoundPermission: false,
+  requestBadgePermission: false,
+  requestAlertPermission: false,
+  onDidReceiveLocalNotification: onDidReceiveLocalNotification,
+);
+final MacOSInitializationSettings initializationSettingsMacOS =
+    MacOSInitializationSettings(
+        requestAlertPermission: false,
+        requestBadgePermission: false,
+        requestSoundPermission: false);
+final InitializationSettings initializationSettings = InitializationSettings(
+    android: initializationSettingsAndroid,
+    iOS: initializationSettingsIOS,
+    macOS: initializationSettingsMacOS);
+
+const AndroidNotificationDetails androidPlatformChannelSpecifics =
+    AndroidNotificationDetails(
+        'com.nlog.flutterlocalnotifications.ScheduledNotificationBootReceiver',
+        '자가진단 자동화',
+        '자동으로 자가진단 설문을 제출합니다.',
+        importance: Importance.max,
+        priority: Priority.high,
+        showWhen: false);
+const NotificationDetails platformChannelSpecifics =
+    NotificationDetails(android: androidPlatformChannelSpecifics);
 
 void initNotification() async {
   await flutterLocalNotificationsPlugin.initialize(initializationSettings,
@@ -55,6 +69,7 @@ void initNotification() async {
 }
 
 var notiId = 0;
+
 void noti(String title, String desc) async {
   await flutterLocalNotificationsPlugin
       .show(notiId++, title, desc, platformChannelSpecifics, payload: desc);
@@ -62,7 +77,7 @@ void noti(String title, String desc) async {
 
 class JagaJindanData {
   String name, birthday, school, edu, password;
-  bool force, agree = false, startup = false, noti = false;
+  bool force, agree = false, startup = false, useNotification = false;
 
   static JagaJindanData readFromJSON(dynamic json) {
     return new JagaJindanData(
@@ -78,7 +93,7 @@ class JagaJindanData {
   }
 
   JagaJindanData(this.name, this.birthday, this.school, this.edu, this.password,
-      this.force, this.agree, this.startup, this.noti);
+      this.force, this.agree, this.startup, this.useNotification);
 
   dynamic toJSON() {
     return {
@@ -90,61 +105,65 @@ class JagaJindanData {
       "force": this.force,
       "agree": this.agree,
       "startup": this.startup,
-      "noti": this.noti
+      "noti": this.useNotification
     };
   }
 }
 
-void showSurveyResult(bool success, String message, JagaJindanData credentials) {
-  if (credentials.noti) noti(success ? "자가진단 제출을 성공하였습니다." : "자가진단 제출을 실패하였습니다.", message);
-  else toast(message);
+void showSurveyResult(
+    bool success, String message, JagaJindanData credentials) {
+  if (credentials.useNotification)
+    noti(success ? "자가진단 제출을 성공하였습니다." : "자가진단 제출을 실패하였습니다.", message);
+  else
+    toast(message);
 }
 
 void sendSurvey(JagaJindanData credentials) async {
   try {
     String jwt = jsonDecode((await http.post(
-            'https://${credentials.edu}hcs.eduro.go.kr/loginwithschool',
+            'https://${credentials.edu}hcs.eduro.go.kr/v2/findUser',
             body: jsonEncode({
               'birthday': encrypt(credentials.birthday),
+              'loginType': 'school',
               'name': encrypt(credentials.name),
-              'orgcode': credentials.school
+              'orgCode': credentials.school,
+              'stdntPNo': null
             }),
             headers: {'Content-Type': 'application/json'},
             encoding: Encoding.getByName('utf-8')))
         .body)['token'];
 
     if (!credentials.force) {
-      if ((await http.post('https://${credentials.edu}hcs.eduro.go.kr/checkpw',
+      if ((await http.post(
+                  'https://${credentials.edu}hcs.eduro.go.kr/v2/hasPassword',
                   body: jsonEncode({}),
                   headers: {
                 'Authorization': jwt,
                 'Content-Type': 'application/json'
               }))
-              .statusCode !=
-          200) {
+              .body !=
+          'true') {
         showSurveyResult(false, '자가진단 페이지에서 초기 비밀번호를 설정하세요.', credentials);
         return;
       }
 
-      if (jsonDecode((await http.post(
-                  'https://${credentials.edu}hcs.eduro.go.kr/secondlogin',
-                  body: jsonEncode({
-                    'deviceUuid': '',
-                    'password': encrypt(credentials.password)
-                  }),
+      if ((await http.post(
+                  'https://${credentials.edu}hcs.eduro.go.kr/v2/validatePassword',
+                  body: jsonEncode({'deviceUuid': '', 'password': encrypt(credentials.password)}),
                   headers: {
                 'Authorization': jwt,
                 'Content-Type': 'application/json'
               }))
-              .body)['isError'] ==
-          true) {
-        showSurveyResult(false, '비밀번호를 잘못 입력했습니다.', credentials);
+              .body !=
+          'true') {
+        showSurveyResult(
+            false, '비밀번호를 잘못 입력했거나 로그인 시도 횟수를 초과했습니다.', credentials);
         return;
       }
     }
 
     var users = jsonDecode((await http.post(
-            'https://${credentials.edu}hcs.eduro.go.kr/selectGroupList',
+            'https://${credentials.edu}hcs.eduro.go.kr/v2/selectUserGroup',
             body: jsonEncode({}),
             headers: {
           'Authorization': jwt,
@@ -152,23 +171,25 @@ void sendSurvey(JagaJindanData credentials) async {
         }))
         .body);
 
-    jwt = users['groupList'][0]['token'];
+    jwt = users[0]['token'];
 
-    var userNo = int.parse(users['groupList'][0]['userPNo']);
-    String org = users['groupList'][0]['orgCode'];
+    var userNo = int.parse(users[0]['userPNo']);
+    String org = users[0]['orgCode'];
 
     jwt = jsonDecode((await http.post(
-            'https://${credentials.edu}hcs.eduro.go.kr/userrefresh',
+            'https://${credentials.edu}hcs.eduro.go.kr/v2/getUserInfo',
             body: jsonEncode({'userPNo': userNo, 'orgCode': org}),
             headers: {
           'Authorization': jwt,
           'Content-Type': 'application/json'
         }))
-        .body)['UserInfo']['token'];
+        .body)['token'];
 
     var res = await http.post(
         'https://${credentials.edu}hcs.eduro.go.kr/registerServey',
         body: jsonEncode({
+          'deviceUuid': '',
+          'rspns00': 'Y',
           'rspns01': '1',
           'rspns02': '1',
           'rspns03': null,
@@ -184,14 +205,18 @@ void sendSurvey(JagaJindanData credentials) async {
           'rspns13': null,
           'rspns14': null,
           'rspns15': null,
-          'rspns00': 'Y',
-          'deviceUuid': ''
+          'upperToken': jwt,
+          'upperUserNameEncpt': credentials.name
         }),
         headers: {'Authorization': jwt, 'Content-Type': 'application/json'});
 
-    showSurveyResult(true, "자가진단 설문이 ${DateTime.now().toString().substring(0, 19)}에 제출되었습니다.", credentials);
+    showSurveyResult(
+        true,
+        "자가진단 설문이 ${DateTime.now().toString().substring(0, 19)}에 제출되었습니다.",
+        credentials);
   } catch (e) {
-    showSurveyResult(false, "인증 정보를 한번 더 확인해주세요.\n오류가 계속 발생하는 경우 개발자에게 알려주세요.", credentials);
+    showSurveyResult(
+        false, "인증 정보를 한번 더 확인해주세요.\n오류가 계속 발생하는 경우 개발자에게 알려주세요.", credentials);
     //toast(e.toString());
   }
 }
diff --git a/pubspec.lock b/pubspec.lock
index b79e1bd..e059852 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,42 +21,42 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety"
+    version: "2.1.0-nullsafety.1"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.2"
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety"
+    version: "1.2.0-nullsafety.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety"
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.2"
+    version: "1.15.0-nullsafety.3"
   convert:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.0"
   encrypt:
     dependency: "direct main"
     description:
@@ -91,7 +91,14 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety"
+    version: "1.2.0-nullsafety.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   file:
     dependency: transitive
     description:
@@ -110,14 +117,14 @@ packages:
       name: flutter_local_notifications
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.4+4"
+    version: "1.5.0"
   flutter_local_notifications_platform_interface:
     dependency: transitive
     description:
       name: flutter_local_notifications_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "2.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -162,14 +169,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.2"
+    version: "1.3.0-nullsafety.3"
   package_info:
     dependency: "direct main"
     description:
@@ -183,14 +190,14 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety"
+    version: "1.8.0-nullsafety.1"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.14"
+    version: "1.6.18"
   path_provider_linux:
     dependency: transitive
     description:
@@ -212,6 +219,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+1"
   pedantic:
     dependency: transitive
     description:
@@ -226,13 +240,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.1"
-  platform_detect:
-    dependency: transitive
-    description:
-      name: platform_detect
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -254,13 +261,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.0.13"
-  pub_semver:
-    dependency: transitive
-    description:
-      name: pub_semver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -272,56 +272,63 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety"
+    version: "1.8.0-nullsafety.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety"
+    version: "1.1.0-nullsafety.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety"
+    version: "0.2.19-nullsafety.2"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.7"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.2"
+    version: "1.3.0-nullsafety.3"
   url_launcher:
     dependency: "direct main"
     description:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.6.0"
+    version: "5.7.2"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -349,7 +356,7 @@ packages:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3+2"
+    version: "0.1.4+1"
   url_launcher_windows:
     dependency: transitive
     description:
@@ -363,7 +370,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.2"
+    version: "2.1.0-nullsafety.3"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.3"
   xdg_directories:
     dependency: transitive
     description:
@@ -372,5 +386,5 @@ packages:
     source: hosted
     version: "0.1.2"
 sdks:
-  dart: ">=2.10.0-0.0.dev <2.10.0"
+  dart: ">=2.10.0-110 <=2.11.0-161.0.dev"
   flutter: ">=1.12.13+hotfix.5 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 06ffd08..9ebf5dd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: 자가진단 자동화 앱
 
 publish_to: 'none'
 
-version: 0.2.2
+version: 0.2.3
 
 environment:
   sdk: ">=2.7.0 <3.0.0"
@@ -12,13 +12,13 @@ dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: ^0.1.3
-  path_provider: ^1.6.14
+  cupertino_icons: ^1.0.0
+  path_provider: ^1.6.18
   fluttertoast: ^7.1.1
   http: ^0.12.2
-  encrypt: ^4.0.2
-  flutter_local_notifications: ^1.4.4+4
-  url_launcher: ^5.6.0
+  encrypt: ^4.0.3
+  flutter_local_notifications: ^1.5.0
+  url_launcher: ^5.7.2
   package_info: ^0.4.3
 
 dev_dependencies: