diff --git a/win_text_editor/lib/modules/memory_table/controllers/base_data_source.dart b/win_text_editor/lib/modules/memory_table/controllers/base_data_source.dart
index 10e89e0..5744a9b 100644
--- a/win_text_editor/lib/modules/memory_table/controllers/base_data_source.dart
+++ b/win_text_editor/lib/modules/memory_table/controllers/base_data_source.dart
@@ -17,8 +17,9 @@ abstract class SelectableDataSource<T extends SelectableItem> extends DataGridSo
   ValueNotifier<bool> get selectionNotifier => _selectionNotifier;
 
   void toggleAllSelection(bool value) {
-    for (var item in items) {
-      item.isSelected = value;
+    for (int i = 0; i < items.length; i++) {
+      items[i].isSelected = value;
+      onSelectionChanged?.call(i, value);
     }
     _updateSelectionState();
     notifyListeners();
diff --git a/win_text_editor/lib/modules/memory_table/widgets/memory_table_right_side.dart b/win_text_editor/lib/modules/memory_table/widgets/memory_table_right_side.dart
index 80e7b92..ded71bc 100644
--- a/win_text_editor/lib/modules/memory_table/widgets/memory_table_right_side.dart
+++ b/win_text_editor/lib/modules/memory_table/widgets/memory_table_right_side.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:win_text_editor/framework/controllers/logger.dart';
 import 'package:win_text_editor/modules/memory_table/controllers/memory_table_controller.dart';
 import 'package:win_text_editor/modules/memory_table/models/memory_table.dart';
 
@@ -147,7 +146,7 @@ class _MemoryTableRightSideState extends State<MemoryTableRightSide> {
               border: InputBorder.none,
               contentPadding: EdgeInsets.all(8),
             ),
-            style: const TextStyle(fontFamily: 'monospace'),
+            style: const TextStyle(fontFamily: 'monospace', color: Colors.blue),
           ),
         ),
       ),