diff --git a/lib/platform/process.dart b/lib/platform/process.dart
index 05d70c3..ea6f298 100644
--- a/lib/platform/process.dart
+++ b/lib/platform/process.dart
@@ -14,10 +14,11 @@ class ProcessData {
   Function(ProcessData)? _endListener;
   late StringBuffer stdout;
   late StringBuffer stderr;
-  bool enableStdout = true;
-  bool enableStderr = true;
+  bool _enableStdout;
+  bool _enableStderr;
 
-  ProcessData(_enableStdout, _enableStderr);
+  // ignore: no_leading_underscores_for_local_identifiers
+  ProcessData(this._enableStdout, this._enableStderr);
 
   Function(ProcessData)? get endListener {
     return _endListener;
@@ -53,14 +54,14 @@ class ProcessData {
     stderr = StringBuffer();
     process.stdout.transform(utf8.decoder).listen((event) {
       stdout.writeln(event);
-      if (enableStdout) {
+      if (_enableStdout) {
         print(event);
       }
     });
     process.stderr.transform(utf8.decoder).listen((event) {
       stderr.writeln(event);
-      if (enableStderr) {
-        print(event);
+      if (_enableStderr) {
+        print('======================= $event');
       }
     });
     isRunning = true;
@@ -100,11 +101,9 @@ class ProcessData {
 class ProcessExecutor {
   static Future<ProcessData> startExe(String exe, List<String> args,
       {String? workspace, bool? enableStdout, bool? enableStderr}) async {
-    enableStdout ??= true;
-    enableStderr ??= true;
     var c = Completer<ProcessData>();
     var arg = '$exe ${args.join(' ')}';
-    var processData = ProcessData(enableStdout, enableStderr);
+    var processData = ProcessData(enableStdout ?? true, enableStderr ?? true);
     if (Platform.isMacOS || Platform.isWindows) {
       workspace = workspace ?? Directory.systemTemp.path;
       print('Execute Shell: $arg');
@@ -124,11 +123,8 @@ class ProcessExecutor {
   static Future<ProcessData> start(StringBuffer shell,
       {String? workspace, bool? enableStdout, bool? enableStderr}) async {
     var c = Completer<ProcessData>();
-    enableStdout ??= true;
-    enableStderr ??= true;
-
     try {
-      var processData = ProcessData(enableStdout, enableStderr);
+      var processData = ProcessData(enableStdout ?? true, enableStderr ?? true);
       if (Platform.isMacOS || Platform.isLinux) {
         workspace = workspace ?? Directory.systemTemp.path;
         var file = File('$workspace/$tempFileName');