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
new file mode 100644
index 0000000..fa3181b
--- /dev/null
+++ b/win_text_editor/lib/modules/memory_table/controllers/base_data_source.dart
@@ -0,0 +1,158 @@
+import 'package:flutter/material.dart';
+import 'package:syncfusion_flutter_datagrid/datagrid.dart';
+
+abstract class SelectableItem {
+  bool isSelected = false;
+}
+
+abstract class SelectableDataSource<T extends SelectableItem> extends DataGridSource {
+  SelectableDataSource(this.items) {
+    _selectionNotifier = ValueNotifier(false);
+  }
+
+  List<T> items;
+  late final ValueNotifier<bool> _selectionNotifier;
+  ValueNotifier<bool> get selectionNotifier => _selectionNotifier;
+
+  void toggleAllSelection(bool value) {
+    for (var item in items) {
+      item.isSelected = value;
+    }
+    _updateSelectionState();
+    notifyListeners();
+  }
+
+  void toggleRowSelection(int index, bool? value) {
+    items[index].isSelected = value ?? false;
+    _updateSelectionState();
+    notifyListeners();
+  }
+
+  void _updateSelectionState() {
+    final allSelected = items.isNotEmpty && items.every((item) => item.isSelected);
+    final someSelected = items.isNotEmpty && items.any((item) => item.isSelected);
+    _selectionNotifier.value = allSelected || someSelected;
+  }
+
+  void updateDataGridSource() {
+    _updateSelectionState();
+    notifyListeners();
+  }
+
+  void updateData(List<T> newItems) {
+    items = newItems;
+    notifyListeners();
+  }
+}
+
+class Field implements SelectableItem {
+  Field(this.id, this.name, this.chineseName, this.type, this.remark, [this.isSelected = false]);
+
+  final String id;
+  final String name;
+  final String chineseName;
+  final String type;
+  final String remark;
+  @override
+  bool isSelected;
+}
+
+// 索引数据模型
+class Index implements SelectableItem {
+  Index(this.indexName, this.isPrimary, this.indexFields, this.rule, [this.isSelected = false]);
+
+  final String indexName;
+  final String isPrimary;
+  final String indexFields;
+  final String rule;
+  @override
+  bool isSelected;
+}
+
+class FieldsDataSource extends SelectableDataSource<Field> {
+  FieldsDataSource(List<Field> fields) : super(fields);
+
+  @override
+  List<DataGridRow> get rows =>
+      items
+          .map(
+            (field) => DataGridRow(
+              cells: [
+                DataGridCell<bool>(columnName: 'select', value: field.isSelected),
+                DataGridCell<String>(columnName: 'id', value: field.id),
+                DataGridCell<String>(columnName: 'name', value: field.name),
+                DataGridCell<String>(columnName: 'chineseName', value: field.chineseName),
+                DataGridCell<String>(columnName: 'type', value: field.type),
+                DataGridCell<String>(columnName: 'remark', value: field.remark),
+              ],
+            ),
+          )
+          .toList();
+
+  @override
+  DataGridRowAdapter buildRow(DataGridRow row) {
+    final rowIndex = effectiveRows.indexOf(row);
+    return DataGridRowAdapter(
+      cells:
+          row.getCells().map<Widget>((cell) {
+            if (cell.columnName == 'select') {
+              return Center(
+                child: Checkbox(
+                  value: items[rowIndex].isSelected,
+                  onChanged: (value) => toggleRowSelection(rowIndex, value),
+                ),
+              );
+            }
+            return Container(
+              alignment: Alignment.centerLeft,
+              padding: const EdgeInsets.symmetric(horizontal: 8),
+              child: Text(cell.value.toString(), overflow: TextOverflow.ellipsis),
+            );
+          }).toList(),
+    );
+  }
+}
+
+// 索引数据源
+class IndexesDataSource extends SelectableDataSource<Index> {
+  IndexesDataSource(List<Index> indexes) : super(indexes);
+
+  @override
+  List<DataGridRow> get rows =>
+      items
+          .map(
+            (index) => DataGridRow(
+              cells: [
+                DataGridCell<bool>(columnName: 'select', value: index.isSelected),
+                DataGridCell<String>(columnName: 'indexName', value: index.indexName),
+                DataGridCell<String>(columnName: 'isPrimary', value: index.isPrimary),
+                DataGridCell<String>(columnName: 'indexFields', value: index.indexFields),
+                DataGridCell<String>(columnName: 'rule', value: index.rule),
+              ],
+            ),
+          )
+          .toList();
+
+  @override
+  DataGridRowAdapter buildRow(DataGridRow row) {
+    final rowIndex = effectiveRows.indexOf(row);
+    return DataGridRowAdapter(
+      cells:
+          row.getCells().map<Widget>((cell) {
+            if (cell.columnName == 'select') {
+              return Center(
+                child: Checkbox(
+                  value: items[rowIndex].isSelected,
+                  onChanged: (value) => toggleRowSelection(rowIndex, value),
+                ),
+              );
+            }
+            return Container(
+              alignment: Alignment.centerLeft,
+              padding: const EdgeInsets.symmetric(horizontal: 8),
+              child: Text(cell.value.toString(), overflow: TextOverflow.ellipsis),
+            );
+          }).toList(),
+    );
+  }
+}
diff --git a/win_text_editor/lib/modules/memory_table/controllers/memory_table_controller.dart b/win_text_editor/lib/modules/memory_table/controllers/memory_table_controller.dart
index 7ff56d5..b057596 100644
--- a/win_text_editor/lib/modules/memory_table/controllers/memory_table_controller.dart
+++ b/win_text_editor/lib/modules/memory_table/controllers/memory_table_controller.dart
@@ -1,183 +1,9 @@
-import 'package:flutter/material.dart';
 import 'package:syncfusion_flutter_datagrid/datagrid.dart';
 import 'package:win_text_editor/framework/controllers/logger.dart';
+import 'package:win_text_editor/modules/memory_table/controllers/base_data_source.dart';
 import 'package:win_text_editor/modules/memory_table/services/memory_table_service.dart';
 import 'package:win_text_editor/shared/base/base_content_controller.dart';
 
-// 字段数据模型
-class Field {
-  Field(this.id, this.name, this.chineseName, this.type, this.remark, [this.isSelected = false]);
-
-  final String id; // 序号
-  final String name; // 名称
-  final String chineseName; // 中文名
-  final String type; // 类型
-  final String remark; // 备注
-  bool isSelected;
-}
-
-// 索引数据模型
-class Index {
-  Index(this.indexName, this.isPrimary, this.indexFields, this.rule, [this.isSelected = false]);
-
-  final String indexName; // 索引名称
-  final String isPrimary; // 是否主键
-  final String indexFields; // 索引字段
-  final String rule; // 规则
-  bool isSelected;
-}
-
-// 字段数据源
-class FieldsDataSource extends DataGridSource {
-  FieldsDataSource(this.fields) {
-    _selectionNotifier = ValueNotifier<bool>(false);
-  }
-
-  List<Field> fields;
-  late ValueNotifier<bool> _selectionNotifier;
-
-  ValueNotifier<bool> get selectionNotifier => _selectionNotifier;
-
-  void toggleAllSelection(bool value) {
-    for (var field in fields) {
-      field.isSelected = value;
-    }
-    _selectionNotifier.value = !_selectionNotifier.value; // Trigger rebuild
-    notifyListeners();
-  }
-
-  void updateData(List<Field> newFields) {
-    fields = newFields;
-    notifyListeners(); // 关键：通知DataGrid更新
-  }
-
-  @override
-  List<DataGridRow> get rows =>
-      fields
-          .map(
-            (field) => DataGridRow(
-              cells: [
-                DataGridCell<bool>(columnName: 'select', value: field.isSelected),
-                DataGridCell<String>(columnName: 'id', value: field.id),
-                DataGridCell<String>(columnName: 'name', value: field.name),
-                DataGridCell<String>(columnName: 'chineseName', value: field.chineseName),
-                DataGridCell<String>(columnName: 'type', value: field.type),
-                DataGridCell<String>(columnName: 'remark', value: field.remark),
-              ],
-            ),
-          )
-          .toList();
-
-  @override
-  DataGridRowAdapter? buildRow(DataGridRow row) {
-    final int rowIndex = effectiveRows.indexOf(row);
-    return DataGridRowAdapter(
-      cells:
-          row.getCells().map<Widget>((dataGridCell) {
-            if (dataGridCell.columnName == 'select') {
-              return Center(
-                child: Checkbox(
-                  value: fields[rowIndex].isSelected,
-                  onChanged: (value) {
-                    toggleRowSelection(rowIndex, value);
-                  },
-                ),
-              );
-            }
-            return Container(
-              alignment: Alignment.centerLeft,
-              padding: const EdgeInsets.symmetric(horizontal: 8),
-              child: Text(dataGridCell.value.toString(), overflow: TextOverflow.ellipsis),
-            );
-          }).toList(),
-    );
-  }
-
-  void toggleRowSelection(int index, bool? value) {
-    fields[index].isSelected = value ?? false;
-    notifyListeners();
-  }
-}
-
-// 索引数据源
-class IndexesDataSource extends DataGridSource {
-  IndexesDataSource(this.indexes) {
-    _selectionNotifier = ValueNotifier<bool>(false);
-  }
-
-  List<Index> indexes;
-  late ValueNotifier<bool> _selectionNotifier;
-
-  get selectionNotifier => _selectionNotifier;
-
-  void toggleAllSelection(bool value) {
-    for (var index in indexes) {
-      index.isSelected = value;
-    }
-    _selectionNotifier.value = !_selectionNotifier.value; // Trigger rebuild
-    notifyListeners();
-  }
-
-  void toggleRowSelection(int index, bool? value) {
-    indexes[index].isSelected = value ?? false;
-    notifyListeners();
-  }
-
-  void updateData(List<Index> newIndexes) {
-    indexes = newIndexes;
-    notifyListeners(); // 关键：通知DataGrid更新
-  }
-
-  @override
-  List<DataGridRow> get rows =>
-      indexes
-          .map(
-            (index) => DataGridRow(
-              cells: [
-                DataGridCell<bool>(columnName: 'select', value: index.isSelected),
-                DataGridCell<String>(columnName: 'indexName', value: index.indexName),
-                DataGridCell<String>(columnName: 'isPrimary', value: index.isPrimary),
-                DataGridCell<String>(columnName: 'indexFields', value: index.indexFields),
-                DataGridCell<String>(columnName: 'rule', value: index.rule),
-              ],
-            ),
-          )
-          .toList();
-
-  @override
-  DataGridRowAdapter? buildRow(DataGridRow row) {
-    final int rowIndex = effectiveRows.indexOf(row);
-    return DataGridRowAdapter(
-      cells:
-          row.getCells().map<Widget>((dataGridCell) {
-            if (dataGridCell.columnName == 'select') {
-              return Center(
-                child: Checkbox(
-                  value: indexes[rowIndex].isSelected,
-                  onChanged: (value) {
-                    toggleRowSelection(rowIndex, value);
-                  },
-                ),
-              );
-            }
-            return Container(
-              alignment: Alignment.centerLeft,
-              padding: const EdgeInsets.symmetric(horizontal: 8),
-              child: Text(dataGridCell.value.toString(), overflow: TextOverflow.ellipsis),
-            );
-          }).toList(),
-    );
-  }
-
-  bool _getSelectedValue(DataGridRow row) {
-    final int rowIndex = rows.indexOf(row);
-    if (rowIndex == -1) {
-      return false;
-    }
-    return indexes[rowIndex].isSelected;
-  }
-}
-
 class MemoryTableController extends BaseContentController {
   String? _errorMessage;
   String tableName = "";
diff --git a/win_text_editor/lib/modules/memory_table/services/memory_table_service.dart b/win_text_editor/lib/modules/memory_table/services/memory_table_service.dart
index 3b8eedc..91f2954 100644
--- a/win_text_editor/lib/modules/memory_table/services/memory_table_service.dart
+++ b/win_text_editor/lib/modules/memory_table/services/memory_table_service.dart
@@ -1,7 +1,7 @@
 // memory_table_service.dart
 import 'dart:io';
 
-import 'package:win_text_editor/modules/memory_table/controllers/memory_table_controller.dart';
+import 'package:win_text_editor/modules/memory_table/controllers/base_data_source.dart';
 import 'package:xml/xml.dart' as xml;
 import 'package:path/path.dart' as path;
 import 'package:win_text_editor/framework/controllers/logger.dart';
diff --git a/win_text_editor/lib/modules/memory_table/widgets/memory_table_left_side.dart b/win_text_editor/lib/modules/memory_table/widgets/memory_table_left_side.dart
index c32608a..5a1baa2 100644
--- a/win_text_editor/lib/modules/memory_table/widgets/memory_table_left_side.dart
+++ b/win_text_editor/lib/modules/memory_table/widgets/memory_table_left_side.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:syncfusion_flutter_datagrid/datagrid.dart';
+import 'package:win_text_editor/modules/memory_table/controllers/base_data_source.dart';
 import 'package:win_text_editor/modules/memory_table/controllers/memory_table_controller.dart';
 
 class MemoryTableLeftSide extends StatelessWidget {
@@ -55,14 +56,9 @@ class MemoryTableLeftSide extends StatelessWidget {
                         GridColumn(
                           columnName: 'select',
                           label: ValueListenableBuilder<bool>(
-                            valueListenable: (fieldsSource).selectionNotifier,
-                            builder: (context, _, __) {
-                              return _buildCheckboxHeader(
-                                context,
-                                fieldsSource,
-                                fieldsSource.fields.length,
-                              );
-                            },
+                            valueListenable: fieldsSource.selectionNotifier,
+                            builder:
+                                (context, _, __) => _buildCheckboxHeader(context, fieldsSource),
                           ),
                           width: 60,
                         ),
@@ -95,10 +91,10 @@ class MemoryTableLeftSide extends StatelessWidget {
                       onCellTap: (details) {
                         if (details.column.columnName == 'select') {
                           final rowIndex = details.rowColumnIndex.rowIndex - 1;
-                          if (rowIndex >= 0 && rowIndex < fieldsSource.fields.length) {
+                          if (rowIndex >= 0 && rowIndex < fieldsSource.items.length) {
                             fieldsSource.toggleRowSelection(
                               rowIndex,
-                              !fieldsSource.fields[rowIndex].isSelected,
+                              !fieldsSource.items[rowIndex].isSelected,
                             );
                           }
                         }
@@ -114,10 +110,16 @@ class MemoryTableLeftSide extends StatelessWidget {
     );
   }
 
-  Widget _buildCheckboxHeader(BuildContext context, FieldsDataSource dataSource, int rowCount) {
-    final allSelected = rowCount > 0 && dataSource.fields.every((item) => item.isSelected);
+  Widget _buildCheckboxHeader<T extends SelectableItem>(
+    BuildContext context,
+    SelectableDataSource<T> dataSource,
+  ) {
+    final allSelected =
+        dataSource.items.isNotEmpty && dataSource.items.every((item) => item.isSelected);
     final someSelected =
-        rowCount > 0 && dataSource.fields.any((item) => item.isSelected) && !allSelected;
+        dataSource.items.isNotEmpty &&
+        dataSource.items.any((item) => item.isSelected) &&
+        !allSelected;
 
     return Container(
       alignment: Alignment.center,
@@ -125,9 +127,7 @@ class MemoryTableLeftSide extends StatelessWidget {
       child: Checkbox(
         value: allSelected,
         tristate: someSelected,
-        onChanged: (value) {
-          dataSource.toggleAllSelection(value ?? false);
-        },
+        onChanged: (value) => dataSource.toggleAllSelection(value ?? false),
       ),
     );
   }
@@ -155,14 +155,9 @@ class MemoryTableLeftSide extends StatelessWidget {
                         GridColumn(
                           columnName: 'select',
                           label: ValueListenableBuilder<bool>(
-                            valueListenable: (indexesSource).selectionNotifier,
-                            builder: (context, _, __) {
-                              return _buildCheckboxHeaderForIndexes(
-                                context,
-                                indexesSource,
-                                indexesSource.indexes.length,
-                              );
-                            },
+                            valueListenable: indexesSource.selectionNotifier,
+                            builder:
+                                (context, _, __) => _buildCheckboxHeader(context, indexesSource),
                           ),
                           width: 60,
                         ),
@@ -190,10 +185,10 @@ class MemoryTableLeftSide extends StatelessWidget {
                       onCellTap: (details) {
                         if (details.column.columnName == 'select') {
                           final rowIndex = details.rowColumnIndex.rowIndex - 1;
-                          if (rowIndex >= 0 && rowIndex < indexesSource.indexes.length) {
+                          if (rowIndex >= 0 && rowIndex < indexesSource.items.length) {
                             indexesSource.toggleRowSelection(
                               rowIndex,
-                              !indexesSource.indexes[rowIndex].isSelected,
+                              !indexesSource.items[rowIndex].isSelected,
                             );
                           }
                         }
@@ -209,28 +204,6 @@ class MemoryTableLeftSide extends StatelessWidget {
     );
   }
 
-  Widget _buildCheckboxHeaderForIndexes(
-    BuildContext context,
-    IndexesDataSource dataSource,
-    int rowCount,
-  ) {
-    final allSelected = rowCount > 0 && dataSource.indexes.every((item) => item.isSelected);
-    final someSelected =
-        rowCount > 0 && dataSource.indexes.any((item) => item.isSelected) && !allSelected;
-
-    return Container(
-      alignment: Alignment.center,
-      color: Colors.grey[200],
-      child: Checkbox(
-        value: allSelected,
-        tristate: someSelected,
-        onChanged: (value) {
-          dataSource.toggleAllSelection(value ?? false);
-        },
-      ),
-    );
-  }
-
   @override
   Widget build(BuildContext context) {
     return Column(