diff --git a/packages/dox-core/lib/app.dart b/packages/dox-core/lib/app.dart
index c090efa..15655ea 100644
--- a/packages/dox-core/lib/app.dart
+++ b/packages/dox-core/lib/app.dart
@@ -84,7 +84,7 @@ class Dox implements IDox {
     DoxServer().setResponseHandler(config.responseHandler);
     await DoxServer().listen(config.serverPort, isolateId: 1);
 
-    DoxLogger.info(sprintf(
+    Logger.info(sprintf(
       'Server started at http://127.0.0.1:%s with $isolatesToSpawn isolate',
       <dynamic>[Dox().config.serverPort],
     ));
diff --git a/packages/dox-core/lib/dox_core.dart b/packages/dox-core/lib/dox_core.dart
index f942d38..8f0488e 100644
--- a/packages/dox-core/lib/dox_core.dart
+++ b/packages/dox-core/lib/dox_core.dart
@@ -11,7 +11,6 @@ export 'constants/constants.dart';
 export 'env/env.dart';
 
 /// Exceptions
-
 export 'exception/internal_error_exception.dart';
 export 'exception/not_found_exception.dart';
 export 'exception/query_exception.dart';
@@ -29,15 +28,13 @@ export 'http/response/serializer.dart';
 
 /// interfaces
 export 'interfaces/app_config.dart';
-
-/// auth
-export 'interfaces/dox_middleware.dart';
 export 'interfaces/dox_service.dart';
 export 'interfaces/response_handler_interface.dart';
 export 'interfaces/router.dart';
 
 /// Tools
 export 'ioc/ioc_container.dart';
+export 'middleware/log_middleware.dart';
 
 /// Router
 export 'router/route.dart';
diff --git a/packages/dox-core/lib/env/env.dart b/packages/dox-core/lib/env/env.dart
index f1198cb..9742ef6 100644
--- a/packages/dox-core/lib/env/env.dart
+++ b/packages/dox-core/lib/env/env.dart
@@ -23,13 +23,14 @@ class Env {
   /// Evn.get('APP_KEY', 'with_default_value_if_null');
   /// Evn.get<int>('PORT', 3000); (This will return int type)
   /// Evn.get<num>('PORT', 3000); (This will return num type)
-  /// Evn.get<String>('APP_KEY'); (This will return type String)
-  /// Current this function support String, int and num types.
+  /// Evn.get<String>('APP_KEY'); (This will return String type)
+  /// Currently this function support String, int and num types.
   /// ```
   static T get<T>(String key, [dynamic defaultValue]) {
     String value = Env().env[key].toString();
-    String val =
-        value.isEmpty || value.toLowerCase() == 'null' ? defaultValue : value;
+    String val = value.isEmpty || value.toLowerCase() == 'null'
+        ? defaultValue.toString()
+        : value;
     if (T.toString() == 'int') {
       return int.parse(val) as T;
     }
diff --git a/packages/dox-core/lib/http/http_controller_handler.dart b/packages/dox-core/lib/http/http_controller_handler.dart
index 8dc0082..a463963 100644
--- a/packages/dox-core/lib/http/http_controller_handler.dart
+++ b/packages/dox-core/lib/http/http_controller_handler.dart
@@ -22,7 +22,7 @@ Future<dynamic> middlewareAndControllerHandler(DoxRequest doxReq) async {
 
     /// DoxMiddleware class
     /// with handle function
-    if (fn is DoxMiddleware) {
+    if (fn is IDoxMiddleware) {
       result = await fn.handle(doxReq);
     }
 
@@ -68,7 +68,7 @@ Future<dynamic> _handleController(
       FormRequest? formReq = Dox().ioc.getByName(requestName);
       if (formReq != null && _isFormRequestTypeMatched(fn, formReq)) {
         /// mapping request inputs field
-        doxRequest.mapInputs(formReq.mapInputs());
+        doxRequest.processInputMapper(formReq.mapInputs());
 
         /// setting dox request to custom form request
         formReq.setRequest(doxRequest);
diff --git a/packages/dox-core/lib/http/http_cors_handler.dart b/packages/dox-core/lib/http/http_cors_handler.dart
index 0935afc..6cf0686 100644
--- a/packages/dox-core/lib/http/http_cors_handler.dart
+++ b/packages/dox-core/lib/http/http_cors_handler.dart
@@ -2,20 +2,22 @@ import 'dart:io';
 
 import 'package:dox_core/dox_core.dart';
 
-void httpCorsHandler(HttpRequest req) {
+void httpCorsHandler(bool? enabled, HttpRequest req) {
   CORSConfig cors = Dox().config.cors;
-
-  Map<String, dynamic> headers = <String, dynamic>{
-    HttpHeaders.accessControlAllowOriginHeader: cors.allowOrigin,
-    HttpHeaders.accessControlAllowMethodsHeader: cors.allowMethods,
-    HttpHeaders.accessControlAllowHeadersHeader: cors.allowHeaders,
-    HttpHeaders.accessControlExposeHeadersHeader: cors.exposeHeaders,
-    HttpHeaders.accessControlAllowCredentialsHeader: cors.allowCredentials,
-  };
-
-  headers.forEach((String key, dynamic value) {
-    _setCorsValue(req.response, key, value);
-  });
+  if (enabled ?? cors.enabled) {
+    Map<String, dynamic> headers = <String, dynamic>{
+      HttpHeaders.accessControlAllowOriginHeader: cors.origin,
+      HttpHeaders.accessControlAllowMethodsHeader: cors.methods,
+      HttpHeaders.accessControlAllowHeadersHeader: cors.headers,
+      HttpHeaders.accessControlExposeHeadersHeader: cors.exposeHeaders,
+      HttpHeaders.accessControlAllowCredentialsHeader: cors.credentials,
+      HttpHeaders.accessControlMaxAgeHeader: cors.maxAge,
+    };
+
+    headers.forEach((String key, dynamic value) {
+      _setCorsValue(req.response, key, value);
+    });
+  }
 }
 
 // set cors in header
diff --git a/packages/dox-core/lib/http/http_request_handler.dart b/packages/dox-core/lib/http/http_request_handler.dart
index f8cc8b7..630c6e4 100644
--- a/packages/dox-core/lib/http/http_request_handler.dart
+++ b/packages/dox-core/lib/http/http_request_handler.dart
@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:dox_core/dox_core.dart';
 import 'package:dox_core/http/http_controller_handler.dart';
+import 'package:dox_core/http/http_cors_handler.dart';
 import 'package:dox_core/http/http_error_handler.dart';
 import 'package:dox_core/http/http_response_handler.dart';
 import 'package:dox_core/http/http_route_handler.dart';
@@ -17,6 +18,8 @@ void httpRequestHandler(HttpRequest req) {
     RouteData? route = httpRouteHandler(req);
     if (route == null) return;
 
+    httpCorsHandler(route.corsEnabled, req);
+
     if (WebSocketTransformer.isUpgradeRequest(req)) {
       httpWebSocketHandler(req, route);
       return;
diff --git a/packages/dox-core/lib/http/http_response_handler.dart b/packages/dox-core/lib/http/http_response_handler.dart
index 812abb8..909777d 100644
--- a/packages/dox-core/lib/http/http_response_handler.dart
+++ b/packages/dox-core/lib/http/http_response_handler.dart
@@ -8,22 +8,35 @@ dynamic httpResponseHandler(
   dynamic payload,
   HttpRequest request,
 ) {
-  /// websocket handler will return websocket payload
+  /// Websocket handler will return websocket payload
   /// and in this case we need to remain the connection open for
-  /// websocket communication. so there is no `res.close()`;
+  /// websocket communication. So there is no `res.close()` required.
   if (payload is WebSocket) {
     return;
   }
 
-  /// if payload is DoxResponse, DoxResponse have process function
+  /// If there is responseHandler set, handle responseHandler
+  /// before DoxResponse process. The responseHandler will return
+  /// DoxResponse to process
+  ResponseHandlerInterface? customResponseHandler = DoxServer().responseHandler;
+  if (customResponseHandler != null) {
+    DoxResponse doxResponse = customResponseHandler
+        .handle(payload is DoxResponse ? payload : DoxResponse(payload));
+    payload = doxResponse;
+  }
+
+  /// If payload is DoxResponse, DoxResponse have process function
   /// which will set header and status code in the response
-  /// and will pass payload/content back to this function `httpResponseHandler`
-  /// where the payload is not DoxResponse anymore
-  /// so it will continue belows process
+  /// and will pass payload/content to `responseDataHandler` function.
   if (payload is DoxResponse) {
-    return payload.process(request);
+    payload.process(request);
+    return;
   }
+}
 
+/// Handle response for different types of data
+/// such as string, stream, Model, List, encodable.
+void responseDataHandler(dynamic payload, HttpRequest request) {
   HttpResponse res = request.response;
 
   if (payload == null) {
@@ -38,6 +51,8 @@ dynamic httpResponseHandler(
     return;
   }
 
+  /// if payload is downloadable file,
+  /// we response contentDisposition header with stream data.
   if (payload is DownloadableFile) {
     res.headers.contentType = payload.contentType;
     res.headers.add(FILE_DOWNLOAD_HEADER, payload.contentDisposition);
@@ -51,15 +66,6 @@ dynamic httpResponseHandler(
     return;
   }
 
-  /// if there is responseHandler we handle responseHandler and
-  /// get new payload and override existing payload
-  if (DoxServer().responseHandler != null) {
-    dynamic result = DoxServer().responseHandler?.handle(DoxResponse(payload));
-    if (result != null) {
-      payload = result;
-    }
-  }
-
   /// if payload handle base Http Exception
   /// we set http status from exception and return as map
   /// which will parse into json and response as json
diff --git a/packages/dox-core/lib/http/http_route_handler.dart b/packages/dox-core/lib/http/http_route_handler.dart
index bd52f63..cabc1f8 100644
--- a/packages/dox-core/lib/http/http_route_handler.dart
+++ b/packages/dox-core/lib/http/http_route_handler.dart
@@ -16,10 +16,10 @@ RouteData? httpRouteHandler(HttpRequest req) {
   if (route == null) {
     /// return 200 status on preflight OPTIONS Method
     if (req.method == HttpRequestMethod.OPTIONS.name) {
-      httpResponseHandler(null, req);
+      responseDataHandler(null, req);
     } else {
       req.response.statusCode = HttpStatus.notFound;
-      httpResponseHandler('${req.method} ${req.uri.path} not found', req);
+      responseDataHandler('${req.method} ${req.uri.path} not found', req);
     }
   }
   return route;
diff --git a/packages/dox-core/lib/http/request/dox_request.dart b/packages/dox-core/lib/http/request/dox_request.dart
index 4fda284..914adbc 100644
--- a/packages/dox-core/lib/http/request/dox_request.dart
+++ b/packages/dox-core/lib/http/request/dox_request.dart
@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:io';
 
 import 'package:dox_core/dox_core.dart';
@@ -8,13 +9,20 @@ import 'package:dox_core/validation/dox_validator.dart';
 
 class DoxRequest implements IDoxRequest {
   final RouteData route;
-  final Uri uri;
-  final ContentType? contentType;
+
   final HttpHeaders httpHeaders;
+
+  @override
+  final ContentType? contentType;
+
   @override
   final HttpRequest httpRequest;
 
+  @override
+  late Uri uri;
+
   final String? clientIp;
+
   @override
   String method = 'GET';
 
@@ -41,6 +49,19 @@ class DoxRequest implements IDoxRequest {
     _getCookies();
   }
 
+  /// get route identifier
+  @override
+  String getRouteIdentifier() {
+    return base64.encode(
+        utf8.encode('${route.method}|${route.domain ?? ''}${route.path}'));
+  }
+
+  /// get route identifier
+  @override
+  RouteData getRouteData() {
+    return route;
+  }
+
   /// http request data is form data
   @override
   bool isFormData() {
@@ -232,9 +253,9 @@ class DoxRequest implements IDoxRequest {
     }
   }
 
-  /// map request input keys
+  /// map the request input keys
   @override
-  void mapInputs(Map<String, String> mapper) {
+  void processInputMapper(Map<String, String> mapper) {
     mapper.forEach((String from, String to) {
       if (from != to) {
         dynamic temp = _allRequest[from];
@@ -244,7 +265,8 @@ class DoxRequest implements IDoxRequest {
     });
   }
 
-  /// support JSON.stringify to convert json
+  /// To support jsonEncode
+  @override
   Map<String, dynamic> toJson() {
     Map<String, dynamic> ret = <String, dynamic>{};
     _allRequest.forEach((String key, dynamic value) {
diff --git a/packages/dox-core/lib/http/request/http_request_body.dart b/packages/dox-core/lib/http/request/http_request_body.dart
index 4604218..daf36b9 100644
--- a/packages/dox-core/lib/http/request/http_request_body.dart
+++ b/packages/dox-core/lib/http/request/http_request_body.dart
@@ -7,7 +7,11 @@ class HttpBody {
   static Future<Map<String, dynamic>> read(HttpRequest request) async {
     if (HttpBody.isJson(request.headers.contentType)) {
       String bodyString = await utf8.decoder.bind(request).join();
-      return jsonDecode(bodyString);
+      try {
+        return jsonDecode(bodyString);
+      } catch (err) {
+        return <String, dynamic>{};
+      }
     }
 
     if (HttpBody.isFormData(request.headers.contentType)) {
diff --git a/packages/dox-core/lib/http/response/dox_response.dart b/packages/dox-core/lib/http/response/dox_response.dart
index 45c99b7..f15b01f 100644
--- a/packages/dox-core/lib/http/response/dox_response.dart
+++ b/packages/dox-core/lib/http/response/dox_response.dart
@@ -6,7 +6,7 @@ import 'package:dox_core/http/http_response_handler.dart';
 class DoxResponse {
   /// content can be anything
   /// String, int, Map, json serializable object, Stream<List<int>>
-  dynamic content;
+  dynamic _contentData;
 
   Map<String, dynamic> _headers = <String, dynamic>{};
   int? _statusCode;
@@ -16,16 +16,15 @@ class DoxResponse {
 
   /// content can be anything
   /// String, int, Map, json serializable object, Stream<List<int>>
-  DoxResponse(this.content) {
-    if (content is StreamFile) {
-      _contentType = content.contentType;
-      content = content.stream;
+  DoxResponse(this._contentData) {
+    if (_contentData is StreamFile) {
+      _contentType = _contentData.contentType;
     }
 
-    if (content is DownloadableFile) {
-      header(FILE_DOWNLOAD_HEADER, content.contentDisposition);
-      _contentType = content.contentType;
-      content = content.stream;
+    if (_contentData is DownloadableFile) {
+      header(FILE_DOWNLOAD_HEADER, _contentData.contentDisposition);
+      _contentType = _contentData.contentType;
+      _contentData = _contentData.stream;
     }
   }
 
@@ -38,8 +37,29 @@ class DoxResponse {
     return this;
   }
 
+  /// Set response status code default 200
+  /// ```
+  /// res.setContent({"foo": "bar"});
+  /// ```
+  DoxResponse content(dynamic content) {
+    _contentData = content;
+    return this;
+  }
+
+  /// Get original content data
+  /// ```
+  /// res.getContent();
+  /// ```
+  dynamic getContent() {
+    return _contentData;
+  }
+
+  /// set stream data to response
+  /// ```
+  /// res.stream(streamData);
+  /// ```
   DoxResponse stream(Stream<List<int>> stream) {
-    content = stream;
+    content(stream);
     return this;
   }
 
@@ -103,7 +123,7 @@ class DoxResponse {
     for (String cookie in _cookies) {
       request.response.headers.add(HttpHeaders.setCookieHeader, cookie);
     }
-    return httpResponseHandler(content, request);
+    return responseDataHandler(_contentData, request);
   }
 }
 
diff --git a/packages/dox-core/lib/interfaces/app_config.dart b/packages/dox-core/lib/interfaces/app_config.dart
index c2bf1dc..d02a489 100644
--- a/packages/dox-core/lib/interfaces/app_config.dart
+++ b/packages/dox-core/lib/interfaces/app_config.dart
@@ -3,8 +3,8 @@ import 'package:dox_core/dox_core.dart';
 import 'package:dox_core/utils/logger.dart';
 
 void defaultErrorHandler(Object? error, StackTrace stackTrace) {
-  DoxLogger.warn(error);
-  DoxLogger.danger(stackTrace.toString());
+  Logger.warn(error);
+  Logger.danger(stackTrace.toString());
 }
 
 class AppConfig {
@@ -19,6 +19,7 @@ class AppConfig {
   final CORSConfig cors;
   final CacheConfig cache;
   final FileStorageConfig fileStorage;
+  final LoggerConfig logger;
   final List<DoxService> services;
 
   AppConfig({
@@ -30,6 +31,7 @@ class AppConfig {
     this.globalMiddleware = const <dynamic>[],
     this.routers = const <Router>[],
     this.cors = const CORSConfig(),
+    this.logger = const LoggerConfig(),
     this.cache = const CacheConfig(),
     this.fileStorage = const FileStorageConfig(),
     this.errorHandler = defaultErrorHandler,
@@ -38,18 +40,36 @@ class AppConfig {
 }
 
 class CORSConfig {
-  final dynamic allowOrigin;
-  final dynamic allowMethods;
-  final dynamic allowHeaders;
+  final bool enabled;
+  final dynamic origin;
+  final dynamic methods;
+  final dynamic headers;
   final dynamic exposeHeaders;
-  final bool? allowCredentials;
+  final bool? credentials;
+  final num? maxAge;
 
   const CORSConfig({
-    this.allowOrigin,
-    this.allowMethods,
-    this.allowHeaders,
+    this.enabled = true,
+    this.origin,
+    this.methods,
+    this.headers,
     this.exposeHeaders,
-    this.allowCredentials,
+    this.credentials,
+    this.maxAge,
+  });
+}
+
+class LoggerConfig {
+  final String name;
+  final bool enabled;
+  final bool prettyPrint;
+  final String level;
+
+  const LoggerConfig({
+    this.name = '',
+    this.enabled = false,
+    this.prettyPrint = false,
+    this.level = 'info',
   });
 }
 
diff --git a/packages/dox-core/lib/interfaces/dox_middleware.dart b/packages/dox-core/lib/interfaces/dox_middleware.dart
deleted file mode 100644
index 47d348d..0000000
--- a/packages/dox-core/lib/interfaces/dox_middleware.dart
+++ /dev/null
@@ -1,6 +0,0 @@
-/// coverage:ignore-file
-import 'package:dox_core/dox_core.dart';
-
-abstract class DoxMiddleware {
-  dynamic handle(DoxRequest req);
-}
diff --git a/packages/dox-core/lib/interfaces/response_handler_interface.dart b/packages/dox-core/lib/interfaces/response_handler_interface.dart
index 4bbc3fb..859c048 100644
--- a/packages/dox-core/lib/interfaces/response_handler_interface.dart
+++ b/packages/dox-core/lib/interfaces/response_handler_interface.dart
@@ -3,5 +3,5 @@ import 'package:dox_core/dox_core.dart';
 abstract class ResponseHandlerInterface {
   const ResponseHandlerInterface();
 
-  dynamic handle(DoxResponse res);
+  DoxResponse handle(DoxResponse res);
 }
diff --git a/packages/dox-core/lib/middleware/log_middleware.dart b/packages/dox-core/lib/middleware/log_middleware.dart
index 5fc84b7..a4da926 100644
--- a/packages/dox-core/lib/middleware/log_middleware.dart
+++ b/packages/dox-core/lib/middleware/log_middleware.dart
@@ -1,30 +1,42 @@
 import 'package:dox_core/dox_core.dart';
 import 'package:dox_core/utils/json.dart';
-import 'package:dox_core/utils/logger.dart';
 
-class LogMiddleware extends DoxMiddleware {
-  Function(Map<String, dynamic>)? filter;
+class LogMiddleware implements IDoxMiddleware {
+  Map<String, dynamic> Function(Map<String, dynamic>)? filter;
 
   final bool withHeader;
+  final bool enabled;
 
-  LogMiddleware({this.filter, this.withHeader = false});
+  LogMiddleware({
+    required this.enabled,
+    this.filter,
+    this.withHeader = false,
+  });
 
   @override
-  DoxRequest handle(DoxRequest req) {
+  IDoxRequest handle(IDoxRequest req) {
+    if (!enabled) {
+      return req;
+    }
+    Map<String, dynamic> payload = <String, dynamic>{
+      'request': req.all(),
+    };
+
+    if (withHeader) {
+      payload['headers'] = req.headers;
+    }
+
     Map<String, dynamic> text = <String, dynamic>{
       'level': 'INFO',
       'message': '${req.method} ${req.uri.path}',
       'source_ip': req.ip(),
       'timestamp': DateTime.now().toIso8601String(),
-      'payload': <String, dynamic>{
-        'request': req.all(),
-        'headers': withHeader ? req.headers : null,
-      }
+      'payload': payload
     };
     if (filter != null) {
       text = filter!(text);
     }
-    DoxLogger.log(JSON.stringify(text));
+    print(JSON.stringify(text));
     return req;
   }
 }
diff --git a/packages/dox-core/lib/router/route.dart b/packages/dox-core/lib/router/route.dart
index 0e0718c..fad1537 100644
--- a/packages/dox-core/lib/router/route.dart
+++ b/packages/dox-core/lib/router/route.dart
@@ -5,7 +5,7 @@ import 'package:dox_core/dox_core.dart';
 import 'package:dox_core/router/route_data.dart';
 import 'package:dox_core/utils/utils.dart';
 
-/// get list of routes registered
+/// list of routes registered
 List<RouteData> _routes = <RouteData>[];
 
 class Route {
@@ -16,6 +16,8 @@ class Route {
 
   String _prefix = '';
   String? _domain;
+  bool? _corsEnabled;
+
   List<dynamic> _preMiddleware = <dynamic>[];
 
   /// get list of routes registered
@@ -61,6 +63,43 @@ class Route {
     Route()._domain = originalDomain;
   }
 
+  /// group of route to enabled cors
+  /// ```
+  /// Route.enabledCors(() {
+  ///   Route.get('/ping', controller);
+  /// });
+  /// ```
+  static void enabledCors(Function() callback) {
+    _cors(true, callback);
+  }
+
+  // group of route to disabled cors
+  /// ```
+  /// Route.disabledCors() {
+  ///   Route.get('/ping', controller);
+  /// });
+  /// ```
+  static void disabledCors(Function() callback) {
+    _cors(false, callback);
+  }
+
+  /// group of route to enable/disable cors
+  /// ```
+  /// Route.cors(true, () {
+  ///   Route.get('/ping', controller);
+  /// });
+  /// ```
+  static void _cors(bool enabled, Function() callback) {
+    bool? originalCorsConfig = Route()._corsEnabled;
+
+    /// set new domain
+    Route()._corsEnabled = enabled;
+    callback();
+
+    /// restore original domain
+    Route()._corsEnabled = originalCorsConfig;
+  }
+
   /// middleware for group of routes
   /// ```
   /// Route.group('example.com', () {
@@ -260,7 +299,7 @@ class Route {
   /// resource route
   /// ```
   /// Route.resource('blog', BlogController());
-  ///
+  /// ```
   static Route resource(String route, dynamic controller) {
     String prefix = '${Route()._prefix}/$route';
 
@@ -327,6 +366,7 @@ class Route {
       path: path,
       controllers: controllers,
       domain: _domain,
+      corsEnabled: _corsEnabled,
     ));
     return this;
   }
diff --git a/packages/dox-core/lib/router/route_data.dart b/packages/dox-core/lib/router/route_data.dart
index f41054a..43800db 100644
--- a/packages/dox-core/lib/router/route_data.dart
+++ b/packages/dox-core/lib/router/route_data.dart
@@ -9,11 +9,13 @@ class RouteData {
   FormRequest Function()? formRequest;
 
   final String? domain;
+  final bool? corsEnabled;
 
   RouteData({
     required this.method,
     required this.path,
     required this.controllers,
+    this.corsEnabled,
     this.preMiddleware = const <dynamic>[],
     this.domain,
   });
diff --git a/packages/dox-core/lib/server/dox_server.dart b/packages/dox-core/lib/server/dox_server.dart
index da0c4d7..9884dea 100644
--- a/packages/dox-core/lib/server/dox_server.dart
+++ b/packages/dox-core/lib/server/dox_server.dart
@@ -1,7 +1,6 @@
 import 'dart:io';
 
 import 'package:dox_core/dox_core.dart';
-import 'package:dox_core/http/http_cors_handler.dart';
 import 'package:dox_core/http/http_request_handler.dart';
 
 class DoxServer {
@@ -29,7 +28,6 @@ class DoxServer {
     );
     server.listen(
       (HttpRequest req) {
-        httpCorsHandler(req);
         httpRequestHandler(req);
       },
       onError: onError ?? (dynamic error) => print(error),
diff --git a/packages/dox-core/lib/utils/aes_encryptor.dart b/packages/dox-core/lib/utils/aes_encryptor.dart
index 32e5680..1311ba7 100644
--- a/packages/dox-core/lib/utils/aes_encryptor.dart
+++ b/packages/dox-core/lib/utils/aes_encryptor.dart
@@ -1,7 +1,6 @@
 import 'dart:convert';
 import 'dart:typed_data';
 
-import 'package:dox_core/utils/logger.dart';
 import 'package:encrypt/encrypt.dart';
 
 class AESEncryptor {
@@ -30,7 +29,7 @@ class AESEncryptor {
       String decrypted = encrypter.decrypt64(content, iv: iv);
       return utf8.decode(base64.decode(decrypted));
     } catch (error) {
-      DoxLogger.danger('AESEncryption Error: ${error.toString()}');
+      print('AESEncryption Error: ${error.toString()}');
       return '';
     }
   }
diff --git a/packages/dox-core/lib/utils/logger.dart b/packages/dox-core/lib/utils/logger.dart
index c3d9623..0d2c893 100644
--- a/packages/dox-core/lib/utils/logger.dart
+++ b/packages/dox-core/lib/utils/logger.dart
@@ -1,54 +1,84 @@
 /// coverage:ignore-file
+import 'package:dox_core/app.dart';
 import 'package:dox_core/utils/json.dart';
 
-class DoxLogger {
-  /// log the text with white color
-  static void log(dynamic text) {
-    print(text);
+class Logger {
+  static void log(String level, dynamic message, [dynamic data]) {
+    if (Dox().config.logger.enabled == false) return;
+    Dox().config.logger.prettyPrint
+        ? _prettyLog(level, message, data)
+        : _log(level, message, data);
   }
 
   /// log the text using info color (lightblue)
   /// ```
-  /// DoxLogger.info('using dox is fun');
+  /// Logger.info('using dox is fun');
   /// ```
-  static void info(dynamic text) {
-    print('\x1B[36m$text\x1B[0m');
+  static void info(dynamic message, [dynamic data]) {
+    log('info', message, data);
   }
 
   /// log the text using warn color (yellow)
   /// ```
-  /// DoxLogger.warn('careful!');
+  /// Logger.warn('careful!');
   ///
-  static void warn(dynamic text) {
-    print('\x1B[33m$text\x1B[0m');
+  static void warn(dynamic message, [dynamic data]) {
+    log('warn', message, data);
   }
 
   /// log the text using success color (green)
   /// ```
-  /// DoxLogger.success('success');
+  /// Logger.success('success');
   ///
-  static void success(dynamic text) {
-    print('\x1B[32m$text\x1B[0m');
+  static void success(dynamic message, [dynamic data]) {
+    log('success', message, data);
   }
 
   /// log the text using danger color (red)
   /// ```
-  /// DoxLogger.danger('failed');
+  /// Logger.danger('failed');
   ///
-  static void danger(dynamic text) {
-    print('\x1B[31m$text\x1B[0m');
+  static void danger(dynamic message, [dynamic data]) {
+    log('danger', message, data);
   }
 
   /// log as json string
-  /// this function is user for logging services
+  /// this function is use for logging services
   /// eg. datadog, sentry etc..
-  static void prettyLog(String level, String message, [dynamic data]) {
+  static void _prettyLog(String level, dynamic message, dynamic data) {
+    String? payload = '';
+    if (data == null || data is String) {
+      payload = data;
+    } else if (data is DateTime) {
+      payload = data.toIso8601String();
+    } else {
+      payload = JSON.stringify(data);
+    }
+    Map<String, String> colors = <String, String>{
+      'info': '36',
+      'warn': '33',
+      'success': '32',
+      'danger': '31',
+    };
+    String? color = colors[level];
+    if (payload == null || payload.isEmpty) {
+      print('\x1B[${color}m$message\x1B[0m');
+      return;
+    }
+    print('\x1B[${color}m$message => $payload\x1B[0m');
+  }
+
+  /// log as json string
+  /// this function is use for logging services
+  /// eg. datadog, sentry etc..
+  static void _log(String level, dynamic message, dynamic data) {
     Map<String, dynamic> text = <String, dynamic>{
       'level': level.toUpperCase(),
+      'name': Dox().config.logger.name,
       'message': message.toString(),
       'timestamp': DateTime.now().toIso8601String(),
       'payload': data
     };
-    DoxLogger.log(JSON.stringify(text));
+    print(JSON.stringify(text));
   }
 }
diff --git a/packages/dox-core/lib/validation/dox_validator.dart b/packages/dox-core/lib/validation/dox_validator.dart
index e154273..15ba5b0 100644
--- a/packages/dox-core/lib/validation/dox_validator.dart
+++ b/packages/dox-core/lib/validation/dox_validator.dart
@@ -99,7 +99,7 @@ class DoxValidator {
     String args = parts.length >= 2 ? parts[1] : '';
     Map<String, dynamic>? match = _matchings[ruleKey];
     if (match == null) {
-      DoxLogger.warn("$ruleKey rule doesn't exist.");
+      Logger.warn("$ruleKey rule doesn't exist.");
       return null;
     }
 
diff --git a/packages/dox-core/pubspec.yaml b/packages/dox-core/pubspec.yaml
index 0929d56..23d67c1 100644
--- a/packages/dox-core/pubspec.yaml
+++ b/packages/dox-core/pubspec.yaml
@@ -14,7 +14,7 @@ dependencies:
   mime: ^1.0.4
   string_scanner: ^1.1.0
   uuid: ^3.0.6
-  dox_annotation: ^1.0.5-alpha1.9
+  dox_annotation: ^1.0.5-alpha2.0
 
 dev_dependencies:
   lints: ^2.0.0
diff --git a/packages/dox-core/test/integration/requirements/config/api_router.dart b/packages/dox-core/test/integration/requirements/config/api_router.dart
index 89ed676..db53b2b 100644
--- a/packages/dox-core/test/integration/requirements/config/api_router.dart
+++ b/packages/dox-core/test/integration/requirements/config/api_router.dart
@@ -9,7 +9,7 @@ class ApiRouter extends Router {
   @override
   void register() {
     Route.use(customMiddleware);
-    Route.use(<DoxMiddleware>[ClassBasedMiddleware()]);
+    Route.use(<IDoxMiddleware>[ClassBasedMiddleware()]);
 
     Route.get('ping', (DoxRequest req) => 'pong');
   }
diff --git a/packages/dox-core/test/integration/requirements/config/app.dart b/packages/dox-core/test/integration/requirements/config/app.dart
index f62ca9f..183bbf9 100644
--- a/packages/dox-core/test/integration/requirements/config/app.dart
+++ b/packages/dox-core/test/integration/requirements/config/app.dart
@@ -19,9 +19,10 @@ AppConfig config = AppConfig(
 
   // cors configuration
   cors: CORSConfig(
-    allowOrigin: '*',
-    allowMethods: <String>['GET', 'POST', 'DELETE', 'PUT', 'PATCH'],
-    allowCredentials: true,
+    enabled: false,
+    origin: '*',
+    methods: <String>['GET', 'POST', 'DELETE', 'PUT', 'PATCH'],
+    credentials: true,
   ),
 
   /// response handler
@@ -42,7 +43,7 @@ AppConfig config = AppConfig(
 
   /// error handler
   errorHandler: (Object? error, StackTrace stackTrace) {
-    DoxLogger.danger(error);
+    Logger.danger(error);
   },
 
   /// cache driver configuration
diff --git a/packages/dox-core/test/integration/requirements/handler.dart b/packages/dox-core/test/integration/requirements/handler.dart
index 3f044ca..38653b1 100644
--- a/packages/dox-core/test/integration/requirements/handler.dart
+++ b/packages/dox-core/test/integration/requirements/handler.dart
@@ -2,5 +2,7 @@ import 'package:dox_core/dox_core.dart';
 
 class ResponseHandler extends ResponseHandlerInterface {
   @override
-  void handle(DoxResponse res) {}
+  DoxResponse handle(DoxResponse res) {
+    return res;
+  }
 }
diff --git a/packages/dox-core/test/integration/requirements/middleware/custom_middleware.dart b/packages/dox-core/test/integration/requirements/middleware/custom_middleware.dart
index 7163fa1..b733935 100644
--- a/packages/dox-core/test/integration/requirements/middleware/custom_middleware.dart
+++ b/packages/dox-core/test/integration/requirements/middleware/custom_middleware.dart
@@ -4,9 +4,9 @@ DoxRequest customMiddleware(DoxRequest req) {
   return req;
 }
 
-class ClassBasedMiddleware implements DoxMiddleware {
+class ClassBasedMiddleware implements IDoxMiddleware {
   @override
-  DoxRequest handle(DoxRequest req) {
+  IDoxRequest handle(IDoxRequest req) {
     return req;
   }
 }