diff --git a/packages/s2-core/__tests__/unit/utils/export/__snapshots__/export-pivot-spec.ts.snap b/packages/s2-core/__tests__/unit/utils/export/__snapshots__/export-pivot-spec.ts.snap
index e5aab4ae9b..f19802e2cf 100644
--- a/packages/s2-core/__tests__/unit/utils/export/__snapshots__/export-pivot-spec.ts.snap
+++ b/packages/s2-core/__tests__/unit/utils/export/__snapshots__/export-pivot-spec.ts.snap
@@ -42,6 +42,19 @@ province	city	number	number	number	number
 四川省	乐山市	2330	2445	2458	352"
 `;
 
+exports[`PivotSheet Export Test should export correct data in grid mode by custom calc grand totals 1`] = `
+"省份	城市	总计	数量
+浙江省	杭州市	15420	15420
+浙江省	绍兴市	5657	5657
+浙江省	宁波市	13779	13779
+浙江省	舟山市	8242	8242
+四川省	成都市	10513	10513
+四川省	绵阳市	7388	7388
+四川省	南充市	10284	10284
+四川省	乐山市	7585	7585
+总计		78868	78868"
+`;
+
 exports[`PivotSheet Export Test should export correct data in grid mode with totals in col 1`] = `
 "	类别	家具	家具	家具	办公用品	办公用品	办公用品	总计
 	子类别	桌子	沙发	小计	笔	纸张	小计	
diff --git a/packages/s2-core/__tests__/unit/utils/export/export-pivot-spec.ts b/packages/s2-core/__tests__/unit/utils/export/export-pivot-spec.ts
index ab3f56c7d5..8361ae3c95 100644
--- a/packages/s2-core/__tests__/unit/utils/export/export-pivot-spec.ts
+++ b/packages/s2-core/__tests__/unit/utils/export/export-pivot-spec.ts
@@ -5,6 +5,7 @@ import { data as originData } from 'tests/data/mock-dataset.json';
 import { assembleDataCfg, assembleOptions } from 'tests/util';
 import { createPivotSheet, getContainer } from 'tests/util/helpers';
 import {
+  Aggregation,
   PivotSheet,
   asyncGetAllPlainData,
   type DataItem,
@@ -49,19 +50,20 @@ describe('PivotSheet Export Test', () => {
     );
 
     await s2.render();
-    const data = await asyncGetAllPlainData({
+    const syncData = await asyncGetAllPlainData({
       sheetInstance: s2,
       split: TAB_SEPARATOR,
       formatOptions: true,
+      async: true,
     });
 
-    expect(data).toMatchSnapshot();
+    expect(syncData).toMatchSnapshot();
 
     const asyncData = await asyncGetAllPlainData({
       sheetInstance: s2,
       split: TAB_SEPARATOR,
       formatOptions: true,
-      async: true,
+      async: false,
     });
 
     expect(asyncData).toMatchSnapshot();
@@ -605,4 +607,40 @@ describe('PivotSheet Export Test', () => {
 
     await expectMatchSnapshot(sheet);
   });
+
+  // https://github.com/antvis/S2/issues/2928
+  it('should export correct data in grid mode by custom calc grand totals', async () => {
+    const sheet = new PivotSheet(
+      getContainer(),
+      assembleDataCfg({
+        fields: {
+          rows: ['province', 'city'],
+          columns: [],
+          values: ['number'],
+          valueInCols: true,
+        },
+      }),
+      assembleOptions({
+        hierarchyType: 'grid',
+        totals: {
+          col: {
+            showGrandTotals: true,
+            showSubTotals: true,
+            reverseGrandTotalsLayout: true,
+            calcGrandTotals: {
+              aggregation: Aggregation.SUM,
+            },
+          },
+          row: {
+            showGrandTotals: true,
+            calcGrandTotals: {
+              aggregation: Aggregation.AVG,
+            },
+          },
+        },
+      }),
+    );
+
+    await expectMatchSnapshot(sheet);
+  });
 });
diff --git a/packages/s2-core/src/utils/export/copy/pivot-data-cell-copy.ts b/packages/s2-core/src/utils/export/copy/pivot-data-cell-copy.ts
index 6ee4fe1db7..de0759c258 100644
--- a/packages/s2-core/src/utils/export/copy/pivot-data-cell-copy.ts
+++ b/packages/s2-core/src/utils/export/copy/pivot-data-cell-copy.ts
@@ -24,9 +24,10 @@ import type {
   MeasureQuery,
   SheetCopyConstructorParams,
 } from '../../../common/interface/export';
-import type { CellData } from '../../../data-set';
+import type { CellData, Query } from '../../../data-set';
 import type { Node } from '../../../facet/layout/node';
 import type { SpreadSheet } from '../../../sheet-type';
+import { getHeaderTotalStatus } from '../../dataset/pivot-data-set';
 import {
   convertString,
   getColNodeFieldFromNode,
@@ -213,18 +214,22 @@ export class PivotDataCellCopy extends BaseDataCellCopy {
     };
   }): DataItem => {
     const { measureQuery } = config;
+    const query: Query = {
+      ...rowNode.query,
+      ...colNode.query,
+      ...measureQuery,
+    };
+    const isTotals =
+      rowNode.isTotals ||
+      rowNode.isTotalMeasure ||
+      colNode.isTotals ||
+      colNode.isTotalMeasure;
+
     const cellData = this.spreadsheet.dataSet.getCellData({
-      query: {
-        ...rowNode.query,
-        ...colNode.query,
-        ...measureQuery,
-      },
+      query,
       rowNode,
-      isTotals:
-        rowNode.isTotals ||
-        rowNode.isTotalMeasure ||
-        colNode.isTotals ||
-        colNode.isTotalMeasure,
+      isTotals,
+      totalStatus: getHeaderTotalStatus(rowNode, colNode),
     });
 
     const formatNode = this.spreadsheet.isValueInCols() ? colNode : rowNode;