diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index d68e660c..6371fea3 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -145,7 +145,7 @@ export function History({
         title="历史数据"
         description="按车辆查询位置历史和 RAW 帧历史，数据来源只作为过滤和诊断维度"
         actions={(
-          <Button disabled={!currentVehicleKeyword} onClick={() => onOpenVehicle(currentVehicleKeyword)}>
+          <Button disabled={!currentVehicleKeyword} onClick={() => onOpenVehicle(currentVehicleKeyword, currentProtocol)}>
             当前车辆服务
           </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 40d637b7..7b79f327 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -1707,6 +1707,60 @@ test('opens vehicle service from raw history rows with row source evidence', asy
   });
 });
 
+test('opens current vehicle service from history header with current source evidence', async () => {
+  window.history.replaceState(null, '', '/#/history?keyword=VIN-JT808-HEADER&protocol=JT808');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/ops/health')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/resolve')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            lookupKey: 'VIN-JT808-HEADER',
+            resolved: true,
+            vin: 'VIN-JT808-HEADER',
+            plate: '粤AG18312',
+            phone: '13307795425',
+            oem: 'G7s',
+            protocols: ['JT808'],
+            online: true,
+            lastSeen: '2026-07-03 20:12:10'
+          },
+          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('当前来源：JT808')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '当前车辆服务' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/detail?keyword=VIN-JT808-HEADER&protocol=JT808');
+  });
+});
+
 test('opens unified vehicle service from realtime vehicles without primary protocol', async () => {
   window.history.replaceState(null, '', '/#/realtime');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
@@ -2515,7 +2569,7 @@ test('opens source-specific raw history directly from vehicle detail source evid
   });
 });
 
-test('opens unified vehicle service from an empty history query', async () => {
+test('opens vehicle service from an empty history query with current source evidence', async () => {
   window.history.replaceState(null, '', '/#/history?keyword=VIN404&protocol=JT808');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
     const path = String(input);
@@ -2556,7 +2610,7 @@ test('opens unified vehicle service from an empty history query', async () => {
   fireEvent.click(await screen.findByRole('button', { name: '当前车辆服务' }));
 
   await waitFor(() => {
-    expect(window.location.hash).toBe('#/detail?keyword=VIN404');
+    expect(window.location.hash).toBe('#/detail?keyword=VIN404&protocol=JT808');
   });
 });