diff --git a/lib/platform/isolate_manager.dart b/lib/platform/isolate_manager.dart
index 64531d7..8da85c5 100644
--- a/lib/platform/isolate_manager.dart
+++ b/lib/platform/isolate_manager.dart
@@ -8,8 +8,8 @@ import 'package:dart_framework/platform/process.dart';
 /// ********************** Test ************************* ///
 void test() {
   var initData = {"param0": "value0"};
-  var handler =
-      IsolateManager.create<IsolateTemplate>(IsolateTemplate(), initData);
+  var handler = IsolateManager.create<IsolateTemplate>(IsolateTemplate(),
+      initData: initData);
 
   handler.addEventListener(IsolateEvent.ready, (data) async {
     handler.broadcast('test1', 'initData1');
@@ -154,10 +154,9 @@ class IsolateManager {
   final Map<int, IsolateBase> _isoMap = {};
   final Map<int, Map<String, Function(Object?)>> _innerEventMap = {};
 
-  static IsolateHandler create<T extends IsolateBase>(
-      T inst,
-      Object?
-          initData /*,
+  static IsolateHandler create<T extends IsolateBase>(T inst,
+      {Object?
+          initData} /*,
       Function(IsolateEvent, Object?) isolateEventListener,
       Function(IsoMessege) messageListener*/
       ) {