diff --git a/vehicle-data-platform/apps/web/src/api/client.test.ts b/vehicle-data-platform/apps/web/src/api/client.test.ts
new file mode 100644
index 00000000..22ab764a
--- /dev/null
+++ b/vehicle-data-platform/apps/web/src/api/client.test.ts
@@ -0,0 +1,39 @@
+import { afterEach, expect, test, vi } from 'vitest';
+import { api } from './client';
+
+afterEach(() => {
+  vi.restoreAllMocks();
+});
+
+test('rawFramesQuery posts structured JSON instead of URL query strings', async () => {
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockResolvedValue({
+    ok: true,
+    json: async () => ({
+      data: { items: [], total: 0, limit: 20, offset: 0 },
+      traceId: 'trace-test',
+      timestamp: 1783094400000
+    })
+  } as Response);
+
+  await api.rawFramesQuery({
+    keyword: '粤AG18312',
+    protocol: 'GB32960',
+    fields: ['gb32960.vehicle.speed_kmh'],
+    includeFields: true,
+    limit: 20,
+    offset: 0
+  });
+
+  expect(fetchMock).toHaveBeenCalledWith('/api/history/raw-frames/query', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({
+      keyword: '粤AG18312',
+      protocol: 'GB32960',
+      fields: ['gb32960.vehicle.speed_kmh'],
+      includeFields: true,
+      limit: 20,
+      offset: 0
+    })
+  });
+});
diff --git a/vehicle-data-platform/apps/web/src/api/client.ts b/vehicle-data-platform/apps/web/src/api/client.ts
index 932f4257..620f050b 100644
--- a/vehicle-data-platform/apps/web/src/api/client.ts
+++ b/vehicle-data-platform/apps/web/src/api/client.ts
@@ -16,6 +16,18 @@ import type {
   VehicleRow
 } from './types';
 
+export type RawFrameQuery = {
+  keyword?: string;
+  vin?: string;
+  protocol?: string;
+  dateFrom?: string;
+  dateTo?: string;
+  fields?: string[];
+  includeFields?: boolean;
+  limit?: number;
+  offset?: number;
+};
+
 async function request<T>(path: string, init?: RequestInit): Promise<T> {
   const response = await fetch(path, init);
   if (!response.ok) {
@@ -34,6 +46,11 @@ export const api = {
   realtimeLocations: (params = new URLSearchParams()) => request<Page<RealtimeLocationRow>>(`/api/realtime/locations?${params.toString()}`),
   historyLocations: (params = new URLSearchParams()) => request<Page<HistoryLocationRow>>(`/api/history/locations?${params.toString()}`),
   rawFrames: (params = new URLSearchParams()) => request<Page<RawFrameRow>>(`/api/history/raw-frames?${params.toString()}`),
+  rawFramesQuery: (query: RawFrameQuery) => request<Page<RawFrameRow>>('/api/history/raw-frames/query', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(query)
+  }),
   mileageSummary: (params = new URLSearchParams()) => request<MileageSummary>(`/api/mileage/summary?${params.toString()}`),
   dailyMileage: (params = new URLSearchParams()) => request<Page<DailyMileageRow>>(`/api/mileage/daily?${params.toString()}`),
   qualitySummary: (params = new URLSearchParams()) => request<QualitySummary>(`/api/quality/summary?${params.toString()}`),
diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index e93933b7..aaed864a 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -1,7 +1,7 @@
 import { Button, Card, Form, Select, SideSheet, Space, Table, Tabs, Toast, Typography } from '@douyinfe/semi-ui';
 import { IconRefresh, IconSearch } from '@douyinfe/semi-icons';
 import { useEffect, useMemo, useState } from 'react';
-import { api } from '../api/client';
+import { api, type RawFrameQuery } from '../api/client';
 import type { HistoryLocationRow, Page, RawFrameRow } from '../api/types';
 import { PageHeader } from '../components/PageHeader';
 
@@ -26,6 +26,13 @@ function canOpenVehicle(vin?: string) {
   return Boolean(value && value !== 'unknown');
 }
 
+function splitFields(value?: string) {
+  return (value ?? '')
+    .split(/[\n,]/)
+    .map((item) => item.trim())
+    .filter(Boolean);
+}
+
 export function History({ initialVin, onOpenVehicle }: { initialVin: string; onOpenVehicle: (vin: string) => void }) {
   const [filters, setFilters] = useState<HistoryFilters>({ ...defaultFilters, keyword: initialVin || defaultFilters.keyword });
   const [locations, setLocations] = useState<Page<HistoryLocationRow>>(defaultPage);
@@ -47,6 +54,18 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
     return params;
   };
 
+  const buildRawQuery = (nextFilters: HistoryFilters, limit: number, offset: number): RawFrameQuery => {
+    const query: RawFrameQuery = { limit, offset };
+    if (nextFilters.keyword?.trim()) query.keyword = nextFilters.keyword.trim();
+    if (nextFilters.protocol?.trim()) query.protocol = nextFilters.protocol.trim();
+    if (nextFilters.dateFrom?.trim()) query.dateFrom = nextFilters.dateFrom.trim();
+    if (nextFilters.dateTo?.trim()) query.dateTo = nextFilters.dateTo.trim();
+    if (nextFilters.includeFields) query.includeFields = true;
+    const fields = splitFields(nextFilters.fields);
+    if (fields.length > 0) query.fields = fields;
+    return query;
+  };
+
   const loadLocations = (nextFilters = filters, page = locationPagination.currentPage, pageSize = locationPagination.pageSize) => {
     setLoadingLocations(true);
     api.historyLocations(buildParams(nextFilters, pageSize, (page - 1) * pageSize, false))
@@ -60,7 +79,7 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
 
   const loadRawFrames = (nextFilters = filters, page = rawPagination.currentPage, pageSize = rawPagination.pageSize) => {
     setLoadingRaw(true);
-    api.rawFrames(buildParams(nextFilters, pageSize, (page - 1) * pageSize, true))
+    api.rawFramesQuery(buildRawQuery(nextFilters, pageSize, (page - 1) * pageSize))
       .then((nextPage) => {
         setRawFrames(nextPage);
         setRawPagination({ currentPage: page, pageSize });