diff --git a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
index c82fefa5..ea496560 100644
--- a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
@@ -160,7 +160,7 @@ export function Realtime({
                     title: '操作',
                     width: 110,
                     render: (_: unknown, row: VehicleRealtimeRow) => (
-                      <Button disabled={!canOpenVehicle(row.vin)} onClick={() => onOpenVehicle(row.vin, row.primaryProtocol)}>车辆服务</Button>
+                      <Button disabled={!canOpenVehicle(row.vin)} onClick={() => onOpenVehicle(row.vin, filters.protocol || row.primaryProtocol)}>车辆服务</Button>
                     )
                   }
                 ]}
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 a4672d4e..06f8042a 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -2413,6 +2413,84 @@ test('opens vehicle service from realtime vehicles with primary source evidence'
   expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/vehicle-service/overview?keyword=VIN-MQTT-001&protocol=YUTONG_MQTT'), undefined);
 });
 
+test('opens vehicle service from realtime vehicles with current source filter', async () => {
+  window.history.replaceState(null, '', '/#/realtime?keyword=VIN-RT-FILTER&protocol=JT808');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/realtime/vehicles')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: 'VIN-RT-FILTER',
+              plate: '粤ART808',
+              phone: '',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808'],
+              sourceCount: 2,
+              onlineSourceCount: 2,
+              online: true,
+              primaryProtocol: 'GB32960',
+              longitude: 113.2,
+              latitude: 23.1,
+              speedKmh: 30,
+              socPercent: 78,
+              totalMileageKm: 119925,
+              lastSeen: '2026-07-03 20:12:10'
+            }],
+            total: 1,
+            limit: 50,
+            offset: 0
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicle-service/overview')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            vin: 'VIN-RT-FILTER',
+            plate: '粤ART808',
+            sourceCount: 2,
+            onlineSourceCount: 2,
+            coverageStatus: 'online',
+            primaryProtocol: 'GB32960',
+            lastSeen: '2026-07-03 20:12:10',
+            historyCount: 0,
+            rawCount: 0,
+            mileageCount: 0,
+            qualityIssueCount: 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 />);
+
+  expect(await screen.findByText('VIN-RT-FILTER')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '车辆服务' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/detail?keyword=VIN-RT-FILTER&protocol=JT808');
+  });
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/vehicle-service/overview?keyword=VIN-RT-FILTER&protocol=JT808'), undefined);
+});
+
 test('shows canonical service status in realtime vehicles', async () => {
   window.history.replaceState(null, '', '/#/realtime');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {