diff --git a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
index 5dd900c1..fdc384ea 100644
--- a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
@@ -196,6 +196,12 @@ export function VehicleDetail({
   const evidenceTimeDeltaSeconds = consistencyTimeDeltaSeconds;
   const activeProtocol = query.protocol?.trim() ?? '';
   const scopeText = activeProtocol ? `单一来源：${activeProtocol}` : '全部来源聚合';
+  const archivePlate = resolution?.plate || summary?.plate || identity?.plate || latest?.plate || '';
+  const archivePhone = resolution?.phone || summary?.phone || identity?.phone || '';
+  const archiveOEM = resolution?.oem || summary?.oem || identity?.oem || '';
+  const archiveFields = [hasResolvedVIN && displayVIN !== '-', archivePlate, archivePhone, archiveOEM];
+  const archiveCompleteness = `${archiveFields.filter(Boolean).length}/${archiveFields.length}`;
+  const archiveSourceCount = Math.max(protocols.length, sourceCount);
   const formKey = `${query.keyword}-${query.protocol ?? ''}`;
   const switchSource = (nextProtocol = '') => {
     const nextQuery = { keyword: resolvedVIN || query.keyword, protocol: nextProtocol };
@@ -389,17 +395,20 @@ export function VehicleDetail({
         </div>
       </Card>
 
-      <Card bordered style={{ marginTop: 16 }}>
+      <Card bordered title="车辆档案" style={{ marginTop: 16 }}>
         <div className="vp-vehicle-summary">
           <Descriptions
             row
             data={[
+              { key: '车辆主键', value: displayVIN },
               { key: '查询关键词', value: displayLookupKey },
               { key: 'VIN', value: displayVIN },
               { key: '解析状态', value: <Tag color={hasResolvedVIN ? 'green' : 'orange'}>{hasResolvedVIN ? '已解析 VIN' : '未解析到 VIN'}</Tag> },
-              { key: '车牌', value: resolution?.plate || summary?.plate || identity?.plate || latest?.plate || '-' },
-              { key: '手机号', value: resolution?.phone || summary?.phone || identity?.phone || '-' },
-              { key: 'OEM', value: resolution?.oem || summary?.oem || identity?.oem || '-' },
+              { key: '车牌', value: archivePlate || '-' },
+              { key: '手机号', value: archivePhone || '-' },
+              { key: 'OEM', value: archiveOEM || '-' },
+              { key: '档案完整度', value: <Tag color={archiveCompleteness === '4/4' ? 'green' : 'orange'}>{archiveCompleteness}</Tag> },
+              { key: '归并来源数', value: archiveSourceCount },
               { key: '在线', value: <StatusTag status={online ? 'ok' : 'offline'} /> },
               {
                 key: '数据来源',
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 45423cae..b5c70dec 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -5402,3 +5402,80 @@ test('shows actionable vehicle service recommendations on detail', async () => {
   fireEvent.click(screen.getByRole('button', { name: '补齐 YUTONG_MQTT 来源' }));
   expect(window.location.hash).toBe('#/vehicles?serviceStatus=degraded&missingProtocol=YUTONG_MQTT');
 });
+
+test('shows canonical vehicle archive on detail', async () => {
+  window.history.replaceState(null, '', '/#/detail?keyword=VIN-ARCHIVE-001');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/vehicle-service')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            vin: 'VIN-ARCHIVE-001',
+            lookupKey: 'VIN-ARCHIVE-001',
+            lookupResolved: true,
+            resolution: {
+              lookupKey: 'VIN-ARCHIVE-001',
+              resolved: true,
+              vin: 'VIN-ARCHIVE-001',
+              plate: '粤A档案1',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808', 'YUTONG_MQTT'],
+              online: true,
+              lastSeen: '2026-07-03T20:12:10+08:00'
+            },
+            realtimeSummary: {
+              vin: 'VIN-ARCHIVE-001',
+              plate: '粤A档案1',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808', 'YUTONG_MQTT'],
+              sourceCount: 3,
+              onlineSourceCount: 2,
+              online: true,
+              bindingStatus: 'bound',
+              primaryProtocol: 'GB32960',
+              longitude: 113.2,
+              latitude: 23.1,
+              speedKmh: 32,
+              socPercent: 78,
+              totalMileageKm: 1000.5,
+              lastSeen: '2026-07-03T20:12:10+08:00'
+            },
+            sources: ['GB32960', 'JT808', 'YUTONG_MQTT'],
+            sourceStatus: [],
+            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: path.includes('/api/ops/health')
+          ? { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } }
+          : { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('车辆档案')).toBeInTheDocument();
+  expect(screen.getByText('车辆主键')).toBeInTheDocument();
+  expect(screen.getAllByText('VIN-ARCHIVE-001').length).toBeGreaterThan(0);
+  expect(screen.getByText('档案完整度')).toBeInTheDocument();
+  expect(screen.getByText('4/4')).toBeInTheDocument();
+  expect(screen.getByText('归并来源数')).toBeInTheDocument();
+  expect(screen.getByText('3')).toBeInTheDocument();
+});