diff --git a/lib/src/aws/s3_client.dart b/lib/src/aws/s3_client.dart
index 45075c7..b3e1172 100644
--- a/lib/src/aws/s3_client.dart
+++ b/lib/src/aws/s3_client.dart
@@ -10,10 +10,10 @@ class S3Client {
   factory S3Client() => _singleton;
   S3Client._internal();
 
-  final String _region = env<String>('S3_REGION', '');
-  final String _bucket = env<String>('S3_BUCKET', '');
-  final String _secretKey = env<String>('S3_SECRET_KEY', '');
-  final String _accessKey = env<String>('S3_ACCESS_KEY', '');
+  final String _region = env<String>('STORAGE_S3_REGION', '');
+  final String _bucket = env<String>('STORAGE_S3_BUCKET', '');
+  final String _secretKey = env<String>('STORAGE_S3_SECRET_KEY', '');
+  final String _accessKey = env<String>('STORAGE_S3_ACCESS_KEY', '');
 
   Uri buildUri(String key) {
     return Uri.https('$_bucket.s3.$_region.amazonaws.com', '/$key');
diff --git a/lib/src/config/config.dart b/lib/src/config/config.dart
index fc3dee8..683e7bc 100644
--- a/lib/src/config/config.dart
+++ b/lib/src/config/config.dart
@@ -1,5 +1,3 @@
-import 'package:vania/vania.dart';
-
 class Config {
   static final Config _singleton = Config._internal();
   factory Config() => _singleton;
@@ -11,16 +9,6 @@ class Config {
   dynamic get(String key) => _config[key];
 }
 
-class FileStorageConfig {
-  final String defaultDriver;
-  final Map<String, StorageDriver> drivers;
-
-  const FileStorageConfig({
-    this.defaultDriver = 'file',
-    this.drivers = const <String, StorageDriver>{},
-  });
-}
-
 class CORSConfig {
   final bool enabled;
   final dynamic origin;
diff --git a/lib/src/route/middleware/throttle.dart b/lib/src/route/middleware/throttle.dart
index 2b9d31b..87cf60a 100644
--- a/lib/src/route/middleware/throttle.dart
+++ b/lib/src/route/middleware/throttle.dart
@@ -34,6 +34,6 @@ class Throttle extends Middleware {
         code: HttpStatus.tooManyRequests,
       );
     }
-    next?.handle(req);
+    return await next?.handle(req);
   }
 }
diff --git a/lib/src/storage/storage.dart b/lib/src/storage/storage.dart
index fa33896..c549e48 100644
--- a/lib/src/storage/storage.dart
+++ b/lib/src/storage/storage.dart
@@ -37,7 +37,7 @@ class Storage {
 
   static Future<String> put(String directory, String file, dynamic content) {
     if (content == null) {
-      throw Exception("Content can't bew null");
+      throw Exception("Content can't be null");
     }
 
     if (!(content is List<int> || content is String)) {