diff --git a/lib/api/ImageAPI.dart b/lib/api/ImageAPI.dart
index 9550815..3aa3ba8 100644
--- a/lib/api/ImageAPI.dart
+++ b/lib/api/ImageAPI.dart
@@ -92,11 +92,11 @@ Future<String> _getDownloadPath() async {
 }
 Future<void> _showNotification(Map<String, dynamic> downloadStatus) async {
   final android = AndroidNotificationDetails(
-        'channel id',
-        'channel name',
-        channelDescription: 'channel description',
-        priority: Priority.high,
-        importance: Importance.max
+      'channel id',
+      'channel name',
+      'channel description',
+      priority: Priority.high,
+      importance: Importance.max
   );
   final platform = NotificationDetails(android: android);
   final isSuccess = downloadStatus['isSuccess'];
diff --git a/lib/api/SessionAPI.dart b/lib/api/SessionAPI.dart
index f9a6ad2..622b474 100644
--- a/lib/api/SessionAPI.dart
+++ b/lib/api/SessionAPI.dart
@@ -39,7 +39,7 @@ Future<String> loginUser(String url, String username, String password) async {
     }
 
   } catch(e) {
-    return 'Dio: Invalid url. Exception: ' + e.toString();
+    return 'Dio: Invalid url';
   }
   return 'Something happened';
 }
diff --git a/lib/main.dart b/lib/main.dart
index bf90c51..a411369 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,5 +1,3 @@
-import 'dart:io';
-
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
@@ -15,7 +13,6 @@ import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  HttpOverrides.global = MyHttpOverrides();
   await dotenv.load(fileName: ".env");
   SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
     statusBarColor: Colors.transparent,
@@ -37,13 +34,6 @@ void initLocalNotifications() {
   API.localNotification.initialize(initSettings);
 }
 
-class MyHttpOverrides extends HttpOverrides{
-  @override
-  HttpClient createHttpClient(context){
-    return super.createHttpClient(context)
-      ..badCertificateCallback = (X509Certificate cert, String host, int port)=> true;
-  }
-}
 
 class MyApp extends StatelessWidget {
 
diff --git a/lib/services/upload/Uploader.dart b/lib/services/upload/Uploader.dart
index 8fbe1a3..63b2ec6 100644
--- a/lib/services/upload/Uploader.dart
+++ b/lib/services/upload/Uploader.dart
@@ -30,7 +30,7 @@ class Uploader {
     final android = AndroidNotificationDetails(
         'channel id',
         'channel name',
-        channelDescription: 'channel description',
+        'channel description',
         priority: Priority.high,
         importance: Importance.max
     );