diff --git a/frontend/src/components/DataGrid.layout.test.tsx b/frontend/src/components/DataGrid.layout.test.tsx
index 23ea1ee..4c88515 100644
--- a/frontend/src/components/DataGrid.layout.test.tsx
+++ b/frontend/src/components/DataGrid.layout.test.tsx
@@ -11,6 +11,7 @@ import DataGrid, {
   resolveNextGridFilterOperatorForColumnChange,
 } from './DataGrid';
 import DataGridPaginationBar from './DataGridPaginationBar';
+import { V2CellContextMenuView } from './V2TableContextMenu';
 import { cloneShortcutOptions, DEFAULT_SHORTCUT_OPTIONS } from '../utils/shortcuts';
 
 vi.mock('../store', () => ({
@@ -280,6 +281,26 @@ describe('DataGrid layout', () => {
     expect(markup).toContain('AI 洞察');
   });
 
+  it('clears modified cell markers when refreshing the grid', () => {
+    const source = readFileSync(new URL('./DataGrid.tsx', import.meta.url), 'utf8');
+
+    expect(source).toMatch(/const handleRefreshGrid = useCallback\(\(\) => \{[\s\S]*setModifiedColumns\(\{\}\);[\s\S]*if \(onReload\) onReload\(\);[\s\S]*\}, \[clearAutoCommitTimer, onReload\]\);/);
+  });
+
+  it('renders a cell-level undo action in the v2 context menu for modified cells', () => {
+    const markup = renderToStaticMarkup(
+      <V2CellContextMenuView
+        fieldName="status"
+        tableName="orders"
+        rowLabel="row 1"
+        canModifyData
+        canUndoCellChange
+      />,
+    );
+
+    expect(markup).toContain('撤销此单元格修改');
+  });
+
   it('preserves fractional seconds when rendering datetime values', () => {
     expect(formatCellDisplayText('2026-05-10T09:12:33.456+08:00')).toBe('2026-05-10 09:12:33.456');
   });
diff --git a/frontend/src/components/DataGrid.tsx b/frontend/src/components/DataGrid.tsx
index 7bc71d6..d653b6e 100644
--- a/frontend/src/components/DataGrid.tsx
+++ b/frontend/src/components/DataGrid.tsx
@@ -4339,6 +4339,45 @@ const DataGrid: React.FC<DataGridProps> = ({
     setCellContextMenu(prev => ({ ...prev, visible: false }));
   }, [cellContextMenu, handleCellSave, effectiveEditLocator]);
 
+  const canUndoContextMenuCellChange = useMemo(() => {
+    const record = cellContextMenu.record;
+    const dataIndex = String(cellContextMenu.dataIndex || '').trim();
+    const rowKey = record?.[GONAVI_ROW_KEY];
+    if (!record || !dataIndex || rowKey === undefined || rowKey === null) return false;
+    const keyStr = rowKeyStr(rowKey);
+    if (addedRowKeySet.has(keyStr)) return false;
+    return !!modifiedColumns[keyStr]?.has(dataIndex);
+  }, [addedRowKeySet, cellContextMenu.dataIndex, cellContextMenu.record, modifiedColumns, rowKeyStr]);
+
+  const handleUndoContextMenuCellChange = useCallback(() => {
+    const record = cellContextMenu.record;
+    const dataIndex = String(cellContextMenu.dataIndex || '').trim();
+    const rowKey = record?.[GONAVI_ROW_KEY];
+    if (!record || !dataIndex || rowKey === undefined || rowKey === null) return;
+
+    const keyStr = rowKeyStr(rowKey);
+    if (addedRowKeySet.has(keyStr)) {
+      void message.info('新增行请使用删除选中或整表回滚撤销');
+      setCellContextMenu(prev => ({ ...prev, visible: false }));
+      return;
+    }
+    if (!modifiedColumns[keyStr]?.has(dataIndex)) {
+      setCellContextMenu(prev => ({ ...prev, visible: false }));
+      return;
+    }
+
+    const originalRow = data.find((row) => rowKeyStr(row?.[GONAVI_ROW_KEY]) === keyStr);
+    if (!originalRow) {
+      void message.error('未找到该单元格的原始数据，无法撤销');
+      setCellContextMenu(prev => ({ ...prev, visible: false }));
+      return;
+    }
+
+    handleCellSave({ ...record, [dataIndex]: originalRow[dataIndex] });
+    setCellContextMenu(prev => ({ ...prev, visible: false }));
+    void message.success('已撤销单元格修改');
+  }, [addedRowKeySet, cellContextMenu.dataIndex, cellContextMenu.record, data, handleCellSave, modifiedColumns, rowKeyStr]);
+
   const handleCellEditorSave = useCallback(() => {
       if (!cellEditorMeta) return;
       if (!isWritableResultColumn(cellEditorMeta.dataIndex, effectiveEditLocator)) {
@@ -6060,6 +6099,9 @@ const DataGrid: React.FC<DataGridProps> = ({
               handleCopyColumnData(cellContextMenu.dataIndex);
               closeMenu();
               return;
+          case 'undo-cell-change':
+              handleUndoContextMenuCellChange();
+              return;
           case 'set-null':
               handleCellSetNull();
               return;
@@ -6128,6 +6170,7 @@ const DataGrid: React.FC<DataGridProps> = ({
       getTargets,
       handleBatchFillToSelected,
       handleCellSetNull,
+      handleUndoContextMenuCellChange,
       handleCopyContextMenuFieldName,
       handleCopyCsv,
       handleCopyDelete,
@@ -7465,6 +7508,7 @@ const DataGrid: React.FC<DataGridProps> = ({
       setAddedRows([]);
       setModifiedRows({});
       setDeletedRowKeys(new Set());
+      setModifiedColumns({});
       setSelectedRowKeys([]);
       if (onReload) onReload();
   }, [clearAutoCommitTimer, onReload]);
@@ -7832,6 +7876,7 @@ const DataGrid: React.FC<DataGridProps> = ({
                         rowLabel={cellContextMenu.record?.[GONAVI_ROW_KEY] === undefined ? undefined : `row ${String(cellContextMenu.record?.[GONAVI_ROW_KEY])}`}
                         selectedRowCount={selectedRowKeys.length}
                         canModifyData={canModifyData}
+                        canUndoCellChange={canUndoContextMenuCellChange}
                         copiedRowCount={copiedRowsForPaste.length}
                         canPasteCopiedColumns={!!copiedCellPatch}
                         supportsCopyInsert={supportsCopyInsert}
@@ -7851,6 +7896,7 @@ const DataGrid: React.FC<DataGridProps> = ({
             copiedRowsForPasteLength={copiedRowsForPaste.length}
             selectedRowKeysLength={selectedRowKeys.length}
             copiedCellPatchAvailable={!!copiedCellPatch}
+            canUndoCellChange={canUndoContextMenuCellChange}
             supportsCopyInsert={supportsCopyInsert}
             onClose={() => setCellContextMenu(prev => ({ ...prev, visible: false }))}
             onCopyFieldName={handleCopyContextMenuFieldName}
@@ -7867,6 +7913,7 @@ const DataGrid: React.FC<DataGridProps> = ({
                 copyRowsForPaste([rowKey]);
             }}
             onPasteCopiedRowsAsNew={handlePasteCopiedRowsAsNew}
+            onUndoCellChange={handleUndoContextMenuCellChange}
             onSetNull={handleCellSetNull}
             onEditRow={handleOpenContextMenuRowEditor}
             onFillToSelected={() => {
diff --git a/frontend/src/components/DataGridLegacyCellContextMenu.tsx b/frontend/src/components/DataGridLegacyCellContextMenu.tsx
index 7167aaa..ed79685 100644
--- a/frontend/src/components/DataGridLegacyCellContextMenu.tsx
+++ b/frontend/src/components/DataGridLegacyCellContextMenu.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import { createPortal } from 'react-dom';
-import { CopyOutlined, EditOutlined, VerticalAlignBottomOutlined } from '@ant-design/icons';
+import { CopyOutlined, EditOutlined, UndoOutlined, VerticalAlignBottomOutlined } from '@ant-design/icons';
 
 interface CellContextMenuState {
   visible: boolean;
@@ -19,12 +19,14 @@ interface DataGridLegacyCellContextMenuProps {
   copiedRowsForPasteLength: number;
   selectedRowKeysLength: number;
   copiedCellPatchAvailable: boolean;
+  canUndoCellChange: boolean;
   supportsCopyInsert: boolean;
   onClose: () => void;
   onCopyFieldName: () => void;
   onCopyRowData: () => void;
   onCopyRowForPaste: () => void;
   onPasteCopiedRowsAsNew: () => void;
+  onUndoCellChange: () => void;
   onSetNull: () => void;
   onEditRow: () => void;
   onFillToSelected: () => void;
@@ -62,12 +64,14 @@ const DataGridLegacyCellContextMenu: React.FC<DataGridLegacyCellContextMenuProps
   copiedRowsForPasteLength,
   selectedRowKeysLength,
   copiedCellPatchAvailable,
+  canUndoCellChange,
   supportsCopyInsert,
   onClose,
   onCopyFieldName,
   onCopyRowData,
   onCopyRowForPaste,
   onPasteCopiedRowsAsNew,
+  onUndoCellChange,
   onSetNull,
   onEditRow,
   onFillToSelected,
@@ -131,6 +135,22 @@ const DataGridLegacyCellContextMenu: React.FC<DataGridLegacyCellContextMenuProps
       <div style={separatorStyle(darkMode)} />
       {canModifyData && (
         <>
+          <div
+            style={{
+              ...baseItemStyle,
+              cursor: canUndoCellChange ? 'pointer' : 'not-allowed',
+              opacity: canUndoCellChange ? 1 : 0.5,
+            }}
+            {...makeHoverHandlers(canUndoCellChange)}
+            onClick={() => {
+              if (canUndoCellChange) {
+                onUndoCellChange();
+              }
+            }}
+          >
+            <UndoOutlined style={{ marginRight: 8 }} />
+            撤销此单元格修改
+          </div>
           <div style={baseItemStyle} {...makeHoverHandlers()} onClick={onSetNull}>
             设置为 NULL
           </div>
diff --git a/frontend/src/components/V2TableContextMenu.tsx b/frontend/src/components/V2TableContextMenu.tsx
index 38747f9..d8ccb79 100644
--- a/frontend/src/components/V2TableContextMenu.tsx
+++ b/frontend/src/components/V2TableContextMenu.tsx
@@ -27,6 +27,7 @@ import {
   FolderAddOutlined,
   HddOutlined,
   PushpinOutlined,
+  UndoOutlined,
   SortAscendingOutlined,
   SortDescendingOutlined,
   VerticalAlignBottomOutlined,
@@ -543,6 +544,7 @@ export type V2CellContextMenuActionKey =
   | 'copy-row-for-paste'
   | 'paste-row-as-new'
   | 'copy-column-data'
+  | 'undo-cell-change'
   | 'set-null'
   | 'edit-row'
   | 'fill-selected'
@@ -652,6 +654,7 @@ export const V2CellContextMenuView: React.FC<{
   rowLabel?: string;
   selectedRowCount?: number;
   canModifyData?: boolean;
+  canUndoCellChange?: boolean;
   copiedRowCount?: number;
   canPasteCopiedColumns?: boolean;
   supportsCopyInsert?: boolean;
@@ -663,6 +666,7 @@ export const V2CellContextMenuView: React.FC<{
   rowLabel,
   selectedRowCount = 0,
   canModifyData = false,
+  canUndoCellChange = false,
   copiedRowCount = 0,
   canPasteCopiedColumns = false,
   supportsCopyInsert = true,
@@ -694,6 +698,12 @@ export const V2CellContextMenuView: React.FC<{
           <>
             <div className="gn-v2-context-menu-section-title">编辑</div>
             {renderItems([
+              {
+                action: 'undo-cell-change',
+                icon: <UndoOutlined />,
+                title: '撤销此单元格修改',
+                disabled: !canUndoCellChange,
+              },
               { action: 'set-null', icon: <ClearOutlined />, title: '设置为 NULL' },
               { action: 'edit-row', icon: <EditOutlined />, title: '编辑本行', kbd: '↵' },
               { action: 'copy-row-for-paste', icon: <CopyOutlined />, title: '复制本行为新增行' },