diff --git a/vehicle-data-platform/apps/web/src/App.tsx b/vehicle-data-platform/apps/web/src/App.tsx
index b5372ca0..2c1aba37 100644
--- a/vehicle-data-platform/apps/web/src/App.tsx
+++ b/vehicle-data-platform/apps/web/src/App.tsx
@@ -138,8 +138,8 @@ export default function App() {
     vehicles: <Vehicles onOpenVehicle={openVehicle} />,
     realtime: <Realtime onOpenVehicle={openVehicle} />,
     detail: <VehicleDetail vin={activeVin} protocol={activeProtocol} onOpenHistory={openHistoryForVehicle} onOpenMileage={openMileageForVehicle} onQueryChange={updateVehicleDetailQuery} />,
-    history: <History initialVin={analysisVin} onOpenVehicle={openVehicle} />,
-    mileage: <Mileage initialVin={analysisVin} onOpenVehicle={openVehicle} />,
+    history: <History initialVin={analysisVin} initialProtocol={activeProtocol} onOpenVehicle={openVehicle} />,
+    mileage: <Mileage initialVin={analysisVin} initialProtocol={activeProtocol} onOpenVehicle={openVehicle} />,
     quality: <Quality onOpenVehicle={openVehicle} onHealthLoaded={(health) => setLinkIssueCount(health.linkHealth.filter((item) => item.status !== 'ok').length)} />
   };
 
diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index aaed864a..46f72a3e 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -33,8 +33,9 @@ function splitFields(value?: string) {
     .filter(Boolean);
 }
 
-export function History({ initialVin, onOpenVehicle }: { initialVin: string; onOpenVehicle: (vin: string) => void }) {
-  const [filters, setFilters] = useState<HistoryFilters>({ ...defaultFilters, keyword: initialVin || defaultFilters.keyword });
+export function History({ initialVin, initialProtocol, onOpenVehicle }: { initialVin: string; initialProtocol?: string; onOpenVehicle: (vin: string) => void }) {
+  const initialFilters = { ...defaultFilters, keyword: initialVin || defaultFilters.keyword, protocol: initialProtocol };
+  const [filters, setFilters] = useState<HistoryFilters>(initialFilters);
   const [locations, setLocations] = useState<Page<HistoryLocationRow>>(defaultPage);
   const [rawFrames, setRawFrames] = useState<Page<RawFrameRow>>(defaultPage);
   const [selectedRaw, setSelectedRaw] = useState<RawFrameRow | null>(null);
@@ -103,18 +104,18 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
   };
 
   const reset = () => {
-    const nextFilters = { ...defaultFilters, keyword: initialVin || defaultFilters.keyword };
+    const nextFilters = { ...defaultFilters, keyword: initialVin || defaultFilters.keyword, protocol: initialProtocol };
     setFilters(nextFilters);
     loadLocations(nextFilters, 1, locationPagination.pageSize);
     loadRawFrames(nextFilters, 1, rawPagination.pageSize);
   };
 
   useEffect(() => {
-    const nextFilters = { ...defaultFilters, keyword: initialVin || defaultFilters.keyword };
+    const nextFilters = { ...defaultFilters, keyword: initialVin || defaultFilters.keyword, protocol: initialProtocol };
     setFilters(nextFilters);
     loadLocations(nextFilters, 1, locationPagination.pageSize);
     loadRawFrames(nextFilters, 1, rawPagination.pageSize);
-  }, [initialVin]);
+  }, [initialVin, initialProtocol]);
 
   const rawFieldCount = useMemo(() => Object.keys(selectedRaw?.parsedFields ?? {}).length, [selectedRaw]);
 
diff --git a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
index 4f41c11d..8b53b78e 100644
--- a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
@@ -32,12 +32,12 @@ function canOpenVehicle(vin?: string) {
   return Boolean(value && value !== 'unknown');
 }
 
-export function Mileage({ initialVin, onOpenVehicle }: { initialVin: string; onOpenVehicle: (vin: string) => void }) {
+export function Mileage({ initialVin, initialProtocol, onOpenVehicle }: { initialVin: string; initialProtocol?: string; onOpenVehicle: (vin: string) => void }) {
   const [rows, setRows] = useState<DailyMileageRow[]>([]);
   const [summary, setSummary] = useState<MileageSummary>(emptySummary);
   const [loading, setLoading] = useState(true);
   const [summaryLoading, setSummaryLoading] = useState(true);
-  const [filters, setFilters] = useState<Record<string, string>>({ keyword: initialVin });
+  const [filters, setFilters] = useState<Record<string, string>>({ keyword: initialVin, protocol: initialProtocol ?? '' });
   const [pagination, setPagination] = useState({ currentPage: 1, pageSize: 20, total: 0 });
 
   const loadSummary = (values: Record<string, string> = filters) => {
@@ -60,11 +60,11 @@ export function Mileage({ initialVin, onOpenVehicle }: { initialVin: string; onO
   };
 
   useEffect(() => {
-    const nextFilters = { keyword: initialVin };
+    const nextFilters = { keyword: initialVin, protocol: initialProtocol ?? '' };
     setFilters(nextFilters);
     loadSummary(nextFilters);
     load(nextFilters, 1, pagination.pageSize);
-  }, [initialVin]);
+  }, [initialVin, initialProtocol]);
 
   return (
     <div className="vp-page">
@@ -87,7 +87,7 @@ export function Mileage({ initialVin, onOpenVehicle }: { initialVin: string; onO
           <Space>
             <Button htmlType="submit" theme="solid" type="primary">查询</Button>
             <Button onClick={() => {
-              const nextFilters = { keyword: initialVin };
+              const nextFilters = { keyword: initialVin, protocol: initialProtocol ?? '' };
               setFilters(nextFilters);
               loadSummary(nextFilters);
               load(nextFilters, 1, pagination.pageSize);
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 1b5a7d5a..0f949c65 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -1,4 +1,4 @@
-import { render, screen } from '@testing-library/react';
+import { render, screen, waitFor } from '@testing-library/react';
 import { afterEach, expect, test, vi } from 'vitest';
 import App from '../App';
 
@@ -51,3 +51,39 @@ test('opens vehicle detail from shareable hash', async () => {
   expect(await screen.findByDisplayValue('粤AG18312')).toBeInTheDocument();
   expect(screen.getAllByText('车辆服务').length).toBeGreaterThanOrEqual(1);
 });
+
+test('applies protocol from shareable history hash to API requests', async () => {
+  window.history.replaceState(null, '', '/#/history?keyword=%E7%B2%A4AG18312&protocol=JT808');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input, init) => {
+    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;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/history/locations?'), undefined);
+  });
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('protocol=JT808'), undefined);
+  expect(fetchMock).toHaveBeenCalledWith('/api/history/raw-frames/query', expect.objectContaining({
+    method: 'POST',
+    body: expect.stringContaining('"protocol":"JT808"')
+  }));
+});