diff --git a/vehicle-data-platform/apps/web/src/App.tsx b/vehicle-data-platform/apps/web/src/App.tsx
index 4d30db30..6d62f295 100644
--- a/vehicle-data-platform/apps/web/src/App.tsx
+++ b/vehicle-data-platform/apps/web/src/App.tsx
@@ -103,24 +103,28 @@ export default function App() {
     }
   };
 
-  const openHistoryForVehicle = (vin: string) => {
+  const openHistoryForVehicle = (vin: string, protocol?: string) => {
     const nextVin = vin.trim();
+    const nextProtocol = protocol?.trim() ?? activeProtocol;
     if (!nextVin) {
       return;
     }
     setAnalysisVin(nextVin);
+    setActiveProtocol(nextProtocol);
     setActivePage('history');
-    replaceHash('history', nextVin, activeProtocol);
+    replaceHash('history', nextVin, nextProtocol);
   };
 
-  const openMileageForVehicle = (vin: string) => {
+  const openMileageForVehicle = (vin: string, protocol?: string) => {
     const nextVin = vin.trim();
+    const nextProtocol = protocol?.trim() ?? activeProtocol;
     if (!nextVin) {
       return;
     }
     setAnalysisVin(nextVin);
+    setActiveProtocol(nextProtocol);
     setActivePage('mileage');
-    replaceHash('mileage', nextVin, activeProtocol);
+    replaceHash('mileage', nextVin, nextProtocol);
   };
 
   const updateVehicleDetailQuery = (keyword: string, protocol?: string) => {
diff --git a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
index aeba2d60..89d44444 100644
--- a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
@@ -28,8 +28,8 @@ export function VehicleDetail({
 }: {
   vin: string;
   protocol?: string;
-  onOpenHistory: (vin: string) => void;
-  onOpenMileage: (vin: string) => void;
+  onOpenHistory: (vin: string, protocol?: string) => void;
+  onOpenMileage: (vin: string, protocol?: string) => void;
   onQueryChange?: (keyword: string, protocol?: string) => void;
 }) {
   const [query, setQuery] = useState<VehicleQuery>({ keyword: vin, protocol });
@@ -130,8 +130,8 @@ export function VehicleDetail({
           <Space>
             <Button icon={<IconSearch />} htmlType="submit" theme="solid" type="primary">查询车辆</Button>
             <Button icon={<IconRefresh />} onClick={() => load(query)} loading={loading}>刷新</Button>
-            <Button disabled={!hasResolvedVIN} onClick={() => onOpenHistory(resolvedVIN)}>查看历史</Button>
-            <Button disabled={!hasResolvedVIN} onClick={() => onOpenMileage(resolvedVIN)}>查看里程</Button>
+            <Button disabled={!hasResolvedVIN} onClick={() => onOpenHistory(resolvedVIN, activeProtocol)}>查看历史</Button>
+            <Button disabled={!hasResolvedVIN} onClick={() => onOpenMileage(resolvedVIN, activeProtocol)}>查看里程</Button>
           </Space>
         </Form>
       </Card>
diff --git a/vehicle-data-platform/apps/web/src/test/App.test.tsx b/vehicle-data-platform/apps/web/src/test/App.test.tsx
index 470cf988..f259f563 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -1,8 +1,9 @@
-import { fireEvent, render, screen, waitFor } from '@testing-library/react';
+import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react';
 import { afterEach, expect, test, vi } from 'vitest';
 import App from '../App';
 
 afterEach(() => {
+  cleanup();
   window.history.replaceState(null, '', '/');
   vi.restoreAllMocks();
 });
@@ -321,3 +322,79 @@ test('switches vehicle detail to a source from the coverage cards', async () =>
   });
   expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/vehicles/detail?keyword=VIN001&protocol=JT808'), undefined);
 });
+
+test('opens history with the currently selected vehicle detail source', async () => {
+  window.history.replaceState(null, '', '/#/detail?keyword=VIN001');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/vehicles/detail')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            vin: 'VIN001',
+            lookupKey: 'VIN001',
+            lookupResolved: true,
+            resolution: {
+              lookupKey: 'VIN001',
+              resolved: true,
+              vin: 'VIN001',
+              plate: '粤AG18312',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808'],
+              online: true,
+              lastSeen: '2026-07-03 20:12:10'
+            },
+            realtimeSummary: {
+              vin: 'VIN001',
+              plate: '粤AG18312',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808'],
+              sourceCount: 2,
+              onlineSourceCount: 2,
+              online: true,
+              primaryProtocol: 'GB32960',
+              longitude: 113.2,
+              latitude: 23.1,
+              speedKmh: 30,
+              socPercent: 78,
+              totalMileageKm: 100,
+              lastSeen: '2026-07-03 20:12:10'
+            },
+            sources: ['GB32960', 'JT808'],
+            sourceStatus: [
+              { protocol: 'GB32960', online: true, lastSeen: '2026-07-03 20:12:10', hasRealtime: true, hasHistory: true, hasRaw: true, hasMileage: true },
+              { protocol: 'JT808', online: true, lastSeen: '2026-07-03 20:12:08', hasRealtime: true, hasHistory: true, hasRaw: true, hasMileage: true }
+            ],
+            realtime: [],
+            history: { items: [], total: 0, limit: 20, offset: 0 },
+            raw: { items: [], total: 0, limit: 10, offset: 0 },
+            mileage: { items: [], total: 0, limit: 20, offset: 0 },
+            quality: { items: [], total: 0, limit: 20, offset: 0 }
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  fireEvent.click(await screen.findByRole('button', { name: '仅看 JT808' }));
+  fireEvent.click(screen.getByRole('button', { name: '查看历史' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/history?keyword=VIN001&protocol=JT808');
+  });
+});