diff --git a/vehicle-data-platform/apps/web/src/App.tsx b/vehicle-data-platform/apps/web/src/App.tsx
index 907b9def..56e48bc0 100644
--- a/vehicle-data-platform/apps/web/src/App.tsx
+++ b/vehicle-data-platform/apps/web/src/App.tsx
@@ -189,10 +189,13 @@ export default function App() {
   };
 
   const updateHistoryFilters = (filters: Record<string, unknown> = {}, tab = historyTab) => {
+    const hasKeywordInput = Object.prototype.hasOwnProperty.call(filters, 'keyword');
     const nextFilters = normalizeHistoryFilterValues(filters);
     setHistoryFilters(nextFilters);
     if (nextFilters.keyword) {
       setAnalysisVin(nextFilters.keyword);
+    } else if (hasKeywordInput) {
+      setAnalysisVin('');
     }
     setActiveProtocol(nextFilters.protocol ?? '');
     setHistoryTab(tab);
@@ -201,7 +204,7 @@ export default function App() {
     if (tab && tab !== 'location') {
       routeFilters.tab = tab;
     }
-    replaceHash('history', keyword ?? analysisVin, protocol, routeFilters);
+    replaceHash('history', hasKeywordInput ? keyword : (keyword ?? analysisVin), protocol, routeFilters);
   };
 
   const replaceHistoryHash = (filters: Record<string, string> = {}, tab = historyTab) => {
diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index b258cda1..65fa2f6d 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -58,6 +58,19 @@ function isIncludeFieldsEnabled(value?: boolean | string) {
   return value === true || value === 'true';
 }
 
+function hasRawFieldQueryScope(filters: HistoryFilters) {
+  return Boolean(
+    filters.keyword?.trim() ||
+    filters.dateFrom?.trim() ||
+    filters.dateTo?.trim() ||
+    splitFields(filters.fields).length > 0
+  );
+}
+
+function shouldBlockRawFieldQuery(filters: HistoryFilters) {
+  return isIncludeFieldsEnabled(filters.includeFields) && !hasRawFieldQueryScope(filters);
+}
+
 function isFiniteNumber(value: unknown): value is number {
   return typeof value === 'number' && Number.isFinite(value);
 }
@@ -72,9 +85,10 @@ function formatNumber(value?: number, suffix = '') {
 }
 
 function mergeInitialFilters(initialVin: string, initialProtocol?: string, initialFilters: Record<string, string> = {}): HistoryFilters {
+  const hasExplicitFilters = Object.keys(initialFilters).length > 0;
   return {
     ...defaultFilters,
-    keyword: initialVin || defaultFilters.keyword,
+    keyword: initialVin || (hasExplicitFilters ? '' : defaultFilters.keyword),
     protocol: initialProtocol,
     ...initialFilters,
     includeFields: isIncludeFieldsEnabled(initialFilters.includeFields)
@@ -178,6 +192,12 @@ export function History({
   };
 
   const loadRawFrames = (nextFilters = filters, page = rawPagination.currentPage, pageSize = rawPagination.pageSize) => {
+    if (shouldBlockRawFieldQuery(nextFilters)) {
+      setRawFrames({ items: [], total: 0, limit: pageSize, offset: (page - 1) * pageSize });
+      setRawPagination({ currentPage: page, pageSize });
+      Toast.warning('RAW 解析字段查询需要车辆、时间范围或字段裁剪');
+      return;
+    }
     setLoadingRaw(true);
     api.rawFramesQuery(buildRawQuery(nextFilters, pageSize, (page - 1) * pageSize))
       .then((nextPage) => {
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 b8f5aba6..6ff3171c 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -3892,6 +3892,54 @@ test('updates history hash when vehicle history filters are submitted', async ()
   }));
 });
 
+test('prevents unscoped raw parsed-field query from history form', async () => {
+  window.history.replaceState(null, '', '/#/history?keyword=VIN-SAFE-RAW');
+  const fetchMock = 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;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  await screen.findByRole('heading', { name: '轨迹回放' });
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith('/api/history/raw-frames/query', expect.objectContaining({
+      body: expect.stringContaining('VIN-SAFE-RAW')
+    }));
+  });
+  fetchMock.mockClear();
+
+  const keywordInput = screen.getByPlaceholderText('VIN / 车牌 / 手机号');
+  fireEvent.change(keywordInput, { target: { value: '' } });
+  fireEvent.input(keywordInput, { target: { value: '' } });
+  await waitFor(() => {
+    expect(keywordInput).toHaveValue('');
+  });
+  fireEvent.click(screen.getByRole('checkbox', { name: '返回解析字段' }));
+  fireEvent.click(screen.getByRole('button', { name: 'search 查询' }));
+
+  expect((await screen.findAllByText('RAW 解析字段查询需要车辆、时间范围或字段裁剪')).length).toBeGreaterThanOrEqual(1);
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/history/locations?'), undefined);
+  expect(fetchMock).not.toHaveBeenCalledWith('/api/history/raw-frames/query', expect.anything());
+});
+
 test('shows trajectory playback workspace from history locations', async () => {
   window.history.replaceState(null, '', '/#/history?keyword=VIN-TRACK-001&protocol=JT808');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input, init) => {