feat(mileage): add OneOS source priority controls

2026-07-23 14:11:52 +08:00
parent becacecc67
commit d8773ff0a0
12 changed files with 448 additions and 44 deletions
--- a/docs/oneos-mileage-api-requirements.md
+++ b/docs/oneos-mileage-api-requirements.md
@@ -22,6 +22,7 @@ POST /api/v1/vehicles/mileage/range/query
  "startDate": "2026-07-01",
  "endDate": "2026-07-23",
  "plateNumbers": ["沪A00001", "沪A00002"],
+  "protocolPriority": ["GB32960", "MQTT", "JT808"],
  "cursor": null,
  "pageSize": 5000
 }
@@ -31,6 +32,14 @@ POST /api/v1/vehicles/mileage/range/query

 - `startDate`、`endDate` 必填，最长支持 366 天；
 - `plateNumbers` 可省略，省略时返回授权范围内全部车辆；
+- `protocolPriority` 可省略；提供时只允许 `GB32960`、`MQTT`、`JT808`，
+  数组顺序表示逐车逐日的数据源优先级，未列出的协议视为禁用；
+- BI 只会使用以下四种组合：
+  - 仪表数据优先：`["GB32960", "MQTT", "JT808"]`；
+  - GPS 数据优先：`["JT808", "GB32960", "MQTT"]`；
+  - 仅仪表数据：`["GB32960", "MQTT"]`；
+  - 仅 GPS 数据：`["JT808"]`；
+- 仪表数据内部优先级固定为 `GB32960 > MQTT`，不提供反向切换；
 - 数据量过大时使用 `cursor` 分页，同一次查询使用相同 `snapshotId`；
 - 每辆车每天返回一条记录；
 - 无数据返回 `status: "NO_DATA"` 且 `dailyMileageKm: null`，真实零里程返回 `status: "NORMAL"` 且 `dailyMileageKm: 0`。
@@ -47,6 +56,7 @@ POST /api/v1/vehicles/mileage/range/query
      "plateNumber": "沪A00001",
      "date": "2026-07-01",
      "dailyMileageKm": 182.437,
+      "sourceProtocol": "GB32960",
      "dataTime": "2026-07-01T23:58:45+08:00",
      "updatedAt": "2026-07-02T05:10:00+08:00",
      "status": "NORMAL"
@@ -71,13 +81,15 @@ POST /api/v1/vehicles/mileage/query
 ```json
 {
  "date": "2026-07-23",
-  "plateNumbers": ["沪A00001", "沪A00002"]
+  "plateNumbers": ["沪A00001", "沪A00002"],
+  "protocolPriority": ["GB32960", "MQTT", "JT808"]
 }
 ```

 规则：

 - `date` 和 `plateNumbers` 沿用现有接口规则；
+- `protocolPriority` 的枚举、顺序和禁用规则与区间接口完全一致；
 - `plateNumbers` 省略时返回授权范围内全部车辆；
 - 接口默认在现有车辆结果中返回 `totalMileageKm`、`dataTime` 和 `updatedAt`；
 - 只增加响应字段，不删除或修改任何现有字段及其语义；
@@ -100,6 +112,7 @@ POST /api/v1/vehicles/mileage/query
      "date": "2026-07-23",
      "dailyMileageKm": 182.437,
      "totalMileageKm": 12345.678,
+      "sourceProtocol": "GB32960",
      "dataTime": "2026-07-23T10:35:42+08:00",
      "updatedAt": "2026-07-23T10:35:46+08:00",
      "status": "NORMAL"
@@ -114,6 +127,11 @@ POST /api/v1/vehicles/mileage/query
 ## 通用要求

 - `dataTime`、`updatedAt` 使用带 `+08:00` 的 ISO 8601 格式；
+- `sourceProtocol` 必须返回本条结果实际采用的协议：
+  `GB32960`、`MQTT` 或 `JT808`；无数据时返回 `null`；
+- OneOS 必须按 `protocolPriority` 选择第一份有效数据，不得返回已禁用协议的数据；
+- `sourceProtocol=GB32960/MQTT` 在 BI 显示为“仪表数据”，
+  `sourceProtocol=JT808` 显示为“GPS数据”；
 - 每个响应返回 `traceId`；
 - 接口返回值保留原始精度；
 - 负里程不得作为正常数据返回；
@@ -127,3 +145,6 @@ POST /api/v1/vehicles/mileage/query
 3. 现有接口不传车牌时，默认返回全部授权车辆的日里程、累计里程和数据时间。
 4. 正确区分无数据与真实零里程。
 5. `dataTime` 能反映每辆车实际数据的新鲜度。
+6. 四种 `protocolPriority` 组合均能按顺序选源，且响应中的
+   `sourceProtocol` 与实际采用协议一致。
+7. 禁用某类协议后，响应不得回退到该协议。
--- a/src/modules/mileage/MonitoringView.tsx
+++ b/src/modules/mileage/MonitoringView.tsx
@@ -4,10 +4,15 @@ import {
  Truck, Filter, ChevronDown,
  Maximize2, Minimize2, RotateCcw,
  ArrowUp, ArrowDown, ChevronsUp, Download, Check, CalendarDays,
-  RefreshCw,
+  RefreshCw, ArrowLeftRight, Power,
 } from 'lucide-react';
 import { BarChart, Bar, ResponsiveContainer, Tooltip, ReferenceLine, XAxis } from 'recharts';
-import type { MonitoringVehicle, MonitoringStats, MonitoringFilters } from './types';
+import type {
+  MileageSourceGroup,
+  MonitoringVehicle,
+  MonitoringStats,
+  MonitoringFilters,
+} from './types';
 import { fetchMonitoring } from './api';
 import Blur from '../../components/Blur';
 import PlateMultiSelect from './PlateMultiSelect';
@@ -19,6 +24,116 @@ const HIGH_MILEAGE_ALERT_TARGETS = new Set([
  '交投190辆4.5T冷链车',
 ]);
 const HIGH_MILEAGE_ALERT_KM = 800;
+const ALL_MILEAGE_SOURCE_GROUPS: MileageSourceGroup[] = ['instrument', 'gps'];
+
+const MILEAGE_SOURCE_META = {
+  instrument: { label: '仪表数据', protocol: '32960 > MQTT' },
+  gps: { label: 'GPS数据', protocol: 'JT808' },
+} as const;
+
+function vehicleSourceDisplay(vehicle: MonitoringVehicle): {
+  label: string;
+  title: string;
+  className: string;
+} {
+  if (vehicle.sourceCategory === 'INSTRUMENT') {
+    return {
+      label: '仪表数据',
+      title: vehicle.sourceProtocol || 'GB32960 / MQTT',
+      className: 'bg-violet-50 text-violet-600',
+    };
+  }
+  if (vehicle.sourceCategory === 'GPS') {
+    return {
+      label: 'GPS数据',
+      title: vehicle.sourceProtocol || 'JT808',
+      className: 'bg-emerald-50 text-emerald-600',
+    };
+  }
+  if (vehicle.sourceCategory === 'MIXED') {
+    return {
+      label: '仪表+GPS',
+      title: '所选区间内包含仪表数据和 GPS 数据',
+      className: 'bg-blue-50 text-blue-600',
+    };
+  }
+  return {
+    label: vehicle.isDataSynced ? '来源待接口' : '无数据',
+    title: vehicle.isDataSynced
+      ? 'OneOS 当前响应未返回 sourceProtocol'
+      : '所选来源没有有效数据',
+    className: vehicle.isDataSynced
+      ? 'bg-amber-50 text-amber-600'
+      : 'bg-slate-100 text-slate-400',
+  };
+}
+
+function SourcePriorityControl({
+  priority,
+  onChange,
+}: {
+  priority: MileageSourceGroup[];
+  onChange: (next: MileageSourceGroup[]) => void;
+}) {
+  const ordered = [
+    ...priority,
+    ...ALL_MILEAGE_SOURCE_GROUPS.filter(group => !priority.includes(group)),
+  ];
+  const toggle = (group: MileageSourceGroup) => {
+    if (priority.includes(group)) {
+      if (priority.length === 1) return;
+      onChange(priority.filter(item => item !== group));
+      return;
+    }
+    onChange([...priority, group]);
+  };
+  const swap = () => {
+    if (priority.length === 2) onChange([priority[1], priority[0]]);
+  };
+
+  return (
+    <div className="flex items-center gap-1.5 overflow-x-auto no-scrollbar">
+      <span className="shrink-0 text-[9px] font-black text-slate-400">数据来源</span>
+      {ordered.map(group => {
+        const enabledIndex = priority.indexOf(group);
+        const enabled = enabledIndex >= 0;
+        const meta = MILEAGE_SOURCE_META[group];
+        return (
+          <button
+            key={group}
+            type="button"
+            onClick={() => toggle(group)}
+            className={`flex shrink-0 items-center gap-1.5 rounded-lg border px-2 py-1 transition-all ${
+              enabled
+                ? 'border-blue-100 bg-blue-50 text-blue-700'
+                : 'border-slate-100 bg-slate-50 text-slate-400'
+            }`}
+            title={enabled && priority.length === 1 ? '至少保留一种数据来源' : enabled ? '点击停用' : '点击启用'}
+          >
+            <span className={`flex h-4 w-4 items-center justify-center rounded text-[8px] font-black ${
+              enabled ? 'bg-blue-600 text-white' : 'bg-slate-200 text-slate-500'
+            }`}>
+              {enabled ? enabledIndex + 1 : <Power size={9} />}
+            </span>
+            <span className="text-left leading-tight">
+              <span className="block text-[9px] font-black">{meta.label}</span>
+              <span className="block text-[7px] font-bold opacity-60">{enabled ? meta.protocol : '已停用'}</span>
+            </span>
+          </button>
+        );
+      })}
+      <button
+        type="button"
+        onClick={swap}
+        disabled={priority.length !== 2}
+        className="flex h-7 w-7 shrink-0 items-center justify-center rounded-lg border border-slate-100 bg-white text-slate-400 transition-all hover:border-blue-100 hover:text-blue-600 disabled:cursor-not-allowed disabled:opacity-30"
+        title="切换数据来源优先级"
+      >
+        <ArrowLeftRight size={12} />
+      </button>
+    </div>
+  );
+}

 function defaultMileageDate(): string {
  const now = new Date();
@@ -354,6 +469,7 @@ export default function MonitoringView() {
  const [detailVehicle, setDetailVehicle] = useState<MonitoringVehicle | null>(null);
  const [rangeStart, setRangeStart] = useState(defaultMileageDate);
  const [rangeEnd, setRangeEnd] = useState(defaultMileageDate);
+  const [sourcePriority, setSourcePriority] = useState<MileageSourceGroup[]>(['instrument', 'gps']);

  const [vehicles, setVehicles] = useState<MonitoringVehicle[]>([]);
  const [stats, setStats] = useState<MonitoringStats>({ totalToday: 0, totalAll: 0, vehicleCount: 0, yesterdayTotal: 0 });
@@ -418,6 +534,7 @@ export default function MonitoringView() {
      startDate: rangeStart || undefined,
      endDate: rangeEnd || undefined,
      brands: filterBrands.length > 0 ? filterBrands : undefined,
+      sourcePriority,
    }).then(d => {
      setVehicles(d.vehicles);
      setStats(d.stats);
@@ -431,7 +548,7 @@ export default function MonitoringView() {
    }).catch(() => {}).finally(() => {
      if (showPageLoading) setPageLoading(false);
    });
-  }, [sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, filterBrands]);
+  }, [sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, filterBrands, sourcePriority]);

  const handleManualRefresh = useCallback(async () => {
    if (manualRefreshing) return;
@@ -468,12 +585,13 @@ export default function MonitoringView() {
      startDate: rangeStart || undefined,
      endDate: rangeEnd || undefined,
      brands: filterBrands.length > 0 ? filterBrands : undefined,
+      sourcePriority,
    }).then(d => {
      setVehicles(prev => [...prev, ...d.vehicles]);
      setPage(nextPage);
      setHasMore(nextPage < d.totalPages);
    }).catch(() => {}).finally(() => setLoadingMore(false));
-  }, [sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, page, loadingMore, hasMore, filterBrands]);
+  }, [sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, page, loadingMore, hasMore, filterBrands, sourcePriority]);

  // 筛选/排序变化时重新加载
  useEffect(() => {
@@ -513,6 +631,7 @@ export default function MonitoringView() {
        startDate: rangeStart || undefined,
        endDate: rangeEnd || undefined,
        brands: filterBrands.length > 0 ? filterBrands : undefined,
+        sourcePriority,
      });
      exportMileageXlsx(d.vehicles, { startDate: d.dateRange?.start || rangeStart, endDate: d.dateRange?.end || rangeEnd, sortBy });
    } catch (err) {
@@ -520,7 +639,7 @@ export default function MonitoringView() {
    } finally {
      setExporting(false);
    }
-  }, [exporting, sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, filterBrands]);
+  }, [exporting, sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterProject, filterEntity, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, appliedMileageRange, rangeStart, rangeEnd, filterBrands, sourcePriority]);

  // 每分钟自动刷新
  useEffect(() => {
@@ -592,12 +711,13 @@ export default function MonitoringView() {
      startDate: rangeStart || undefined,
      endDate: rangeEnd || undefined,
      brands: filterBrands.length > 0 ? filterBrands : undefined,
+      sourcePriority,
    }).then(d => {
      setFullscreenVehicles(d.vehicles);
      setFullscreenStats(d.stats);
      setFilterOptions(d.filters);
    }).catch(() => {}).finally(() => setFullscreenLoading(false));
-  }, [isFullscreen, sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, rangeStart, rangeEnd, fullscreenRefresh, filterBrands]);
+  }, [isFullscreen, sortBy, sortOrder, searchTerm, filterDept, filterCustomer, filterRentStatus, filterPlatePrefix, filterTargetNames, filterRegion, filterPlates, rangeStart, rangeEnd, fullscreenRefresh, filterBrands, sourcePriority]);

  // 全屏时禁止背景滚动
  useEffect(() => {
@@ -665,6 +785,12 @@ export default function MonitoringView() {
                  <span className="text-slate-500">车辆 <span className="text-white font-black">{fullscreenStats.vehicleCount}</span> 台</span>
                  <span className="text-slate-700">|</span>
                  <span className="text-slate-500">均 <span className="text-white font-black">{(fullscreenStats.vehicleCount > 0 ? (sortBy === 'today' ? fullscreenStats.totalToday : fullscreenStats.totalAll) / fullscreenStats.vehicleCount : 0).toFixed(0)}</span> <span className="text-blue-400">km</span></span>
+                  <span className="text-slate-700">|</span>
+                  <span className="text-slate-500">
+                    来源 <span className="text-white font-black">
+                      {sourcePriority.map(group => MILEAGE_SOURCE_META[group].label).join(' > ')}
+                    </span>
+                  </span>
                </div>
              </div>
              <div className="flex items-center gap-2">
@@ -845,6 +971,7 @@ export default function MonitoringView() {
                    {fullscreenVehicles.map((v) => {
                      const highMileageAlert = isHighMileageAlert(v);
                      const statisticTime = vehicleStatisticTime(v, relativeNow);
+                      const sourceDisplay = vehicleSourceDisplay(v);
                      return (
                      <tr key={v.plate} className="hover:bg-slate-800/20 transition-colors">
                        <td className="px-3 py-2 text-center">
@@ -855,6 +982,12 @@ export default function MonitoringView() {
                          <div className={`mt-0.5 text-[8px] font-bold ${statisticTime.color}`} title={statisticTime.title}>
                            {statisticTime.label}
                          </div>
+                          <span
+                            className={`mt-0.5 inline-flex rounded px-1 py-0.5 text-[7px] font-black ${sourceDisplay.className}`}
+                            title={sourceDisplay.title}
+                          >
+                            {sourceDisplay.label}
+                          </span>
                        </td>
                        <td className="px-3 py-2 text-[11px] text-slate-400"><Blur>{v.customer || '-'}</Blur></td>
                        <td className="px-3 py-2 text-[11px] text-slate-400">{v.brand || '-'}</td>
@@ -926,6 +1059,8 @@ export default function MonitoringView() {
          </div>
        </div>

+        <SourcePriorityControl priority={sourcePriority} onChange={setSourcePriority} />
+
        <div className="flex items-center gap-2">
          <div className="grid flex-1 grid-cols-3 gap-1.5">
            <BatchMultiSelect options={filterOptions.targetNames} selected={filterTargetNames} onChange={setFilterTargetNames} placeholder="批次型号" />
@@ -1343,6 +1478,7 @@ export default function MonitoringView() {
          {filteredVehicles.map((v) => {
            const highMileageAlert = isHighMileageAlert(v);
            const statisticTime = vehicleStatisticTime(v, relativeNow);
+            const sourceDisplay = vehicleSourceDisplay(v);
            return (
            <motion.div
              initial={{ opacity: 0 }}
@@ -1368,6 +1504,12 @@ export default function MonitoringView() {
                  <div className={`text-[8px] font-bold ${statisticTime.color}`} title={statisticTime.title}>
                    {statisticTime.label}
                  </div>
+                  <span
+                    className={`mt-0.5 inline-flex rounded px-1 py-0.5 text-[7px] font-black ${sourceDisplay.className}`}
+                    title={sourceDisplay.title}
+                  >
+                    {sourceDisplay.label}
+                  </span>
                  <div className="flex items-center gap-1.5 md:hidden">
                    <span className="text-[8px] text-slate-300 font-bold">{v.rentStatus || ''}{v.department ? ` · ${v.department.replace('业务', '')}` : ''}</span>
                    <span className="text-[9px] font-bold text-slate-600 truncate"><Blur>{v.customer || '-'}</Blur></span>
@@ -1435,7 +1577,11 @@ export default function MonitoringView() {
        <div ref={sentinelRef} className="h-1" />
      </div>

-      <VehicleDetailModal vehicle={detailVehicle} onClose={() => setDetailVehicle(null)} />
+      <VehicleDetailModal
+        vehicle={detailVehicle}
+        onClose={() => setDetailVehicle(null)}
+        sourcePriority={sourcePriority}
+      />

      {/* 回到顶部按钮 */}
      <AnimatePresence>
--- a/src/modules/mileage/VehicleDetailModal.tsx
+++ b/src/modules/mileage/VehicleDetailModal.tsx
@@ -4,13 +4,14 @@ import { X, Truck } from 'lucide-react';
 import {
  BarChart, Bar, XAxis, YAxis, ResponsiveContainer, Tooltip, Cell,
 } from 'recharts';
-import type { MonitoringVehicle } from './types';
+import type { MileageSourceGroup, MonitoringVehicle } from './types';
 import { fetchVehicleRecent, type VehicleRecentDay } from './api';
 import Blur from '../../components/Blur';

 interface Props {
  vehicle: MonitoringVehicle | null;
  onClose: () => void;
+  sourcePriority: MileageSourceGroup[];
 }

 type RangeKey = 'last15' | 'month' | 'quarter';
@@ -56,7 +57,13 @@ function formatLabel(date: string, key: RangeKey): string {
  return date.slice(5);
 }

-export default function VehicleDetailModal({ vehicle, onClose }: Props) {
+function daySourceLabel(day: VehicleRecentDay): string {
+  if (day.sourceCategory === 'INSTRUMENT') return '仪表数据';
+  if (day.sourceCategory === 'GPS') return 'GPS数据';
+  return day.isDataSynced ? '来源待接口' : '无数据';
+}
+
+export default function VehicleDetailModal({ vehicle, onClose, sourcePriority }: Props) {
  const [days, setDays] = useState<VehicleRecentDay[]>([]);
  const [loading, setLoading] = useState(false);
  const [range, setRange] = useState<RangeKey>('last15');
@@ -74,12 +81,12 @@ export default function VehicleDetailModal({ vehicle, onClose }: Props) {
    setLoading(true);
    setDays([]);
    let cancelled = false;
-    fetchVehicleRecent(vehicle.plate, { start, end })
+    fetchVehicleRecent(vehicle.plate, { start, end, sourcePriority })
      .then(d => { if (!cancelled) setDays(d.days); })
      .catch(() => { if (!cancelled) setDays([]); })
      .finally(() => { if (!cancelled) setLoading(false); });
    return () => { cancelled = true; };
-  }, [vehicle?.plate, range]); // eslint-disable-line react-hooks/exhaustive-deps
+  }, [vehicle?.plate, range, sourcePriority]); // eslint-disable-line react-hooks/exhaustive-deps

  // 锁滚动
  useEffect(() => {
@@ -280,7 +287,21 @@ export default function VehicleDetailModal({ vehicle, onClose }: Props) {
                      transition={{ delay: Math.min(i * 0.012, 0.4), duration: 0.18 }}
                      className="flex items-center justify-between py-1.5 px-2 rounded-lg hover:bg-slate-50"
                    >
-                      <span className="text-[11px] font-mono font-bold text-slate-600">{d.date}</span>
+                      <div className="w-[88px] flex-shrink-0">
+                        <div className="text-[11px] font-mono font-bold text-slate-600">{d.date}</div>
+                        <div
+                          className={`text-[8px] font-bold ${
+                            d.sourceCategory === 'INSTRUMENT'
+                              ? 'text-violet-500'
+                              : d.sourceCategory === 'GPS'
+                                ? 'text-emerald-500'
+                                : 'text-amber-500'
+                          }`}
+                          title={d.sourceProtocol || 'OneOS 当前未返回 sourceProtocol'}
+                        >
+                          {daySourceLabel(d)}
+                        </div>
+                      </div>
                      <div className="flex items-center gap-2 flex-1 ml-3">
                        <div className="flex-1 h-1.5 bg-slate-100 rounded-full overflow-hidden">
                          <motion.div
--- a/src/modules/mileage/api.ts
+++ b/src/modules/mileage/api.ts
@@ -1,4 +1,12 @@
-import type { MonitoringData, TargetSummary, TargetVehicle, TrendPoint } from './types';
+import type {
+  MileageSourceCategory,
+  MileageSourceGroup,
+  MileageSourceProtocol,
+  MonitoringData,
+  TargetSummary,
+  TargetVehicle,
+  TrendPoint,
+} from './types';
 import { fetchJson } from '../../auth/api-client';

 const BASE = '/api/mileage';
@@ -25,6 +33,7 @@ export async function fetchMonitoring(params?: {
  startDate?: string;
  endDate?: string;
  brands?: string[];
+  sourcePriority?: MileageSourceGroup[];
 }): Promise<MonitoringData> {
  const query = new URLSearchParams();
  if (params?.sortBy) query.set('sortBy', params.sortBy);
@@ -56,6 +65,7 @@ export async function fetchMonitoring(params?: {
  if (params?.date) query.set('date', params.date);
  if (params?.startDate) query.set('startDate', params.startDate);
  if (params?.endDate) query.set('endDate', params.endDate);
+  if (params?.sourcePriority?.length) query.set('sourcePriority', params.sourcePriority.join(','));
  const qs = query.toString();
  return fetchJson<MonitoringData>(`${BASE}/monitoring${qs ? `?${qs}` : ''}`);
 }
@@ -82,6 +92,8 @@ export interface VehicleRecentDay {
  date: string;
  dailyKm: number;
  isDataSynced: boolean;
+  sourceProtocol: MileageSourceProtocol | null;
+  sourceCategory: Exclude<MileageSourceCategory, 'MIXED'> | null;
 }

 export interface VehicleRecentResponse {
@@ -89,16 +101,23 @@ export interface VehicleRecentResponse {
  start?: string;
  end?: string;
  days: VehicleRecentDay[];
+  sourcePriority?: MileageSourceGroup[];
 }

 export async function fetchVehicleRecent(
  plate: string,
-  range: { days?: number; start?: string; end?: string } = { days: 15 },
+  range: {
+    days?: number;
+    start?: string;
+    end?: string;
+    sourcePriority?: MileageSourceGroup[];
+  } = { days: 15 },
 ): Promise<VehicleRecentResponse> {
  const params = new URLSearchParams();
  if (range.start) params.set('start', range.start);
  if (range.end) params.set('end', range.end);
  if (range.days != null) params.set('days', String(range.days));
+  if (range.sourcePriority?.length) params.set('sourcePriority', range.sourcePriority.join(','));
  return fetchJson<VehicleRecentResponse>(
    `${BASE}/vehicle/${encodeURIComponent(plate)}/recent?${params.toString()}`
  );
--- a/src/modules/mileage/types.ts
+++ b/src/modules/mileage/types.ts
@@ -1,3 +1,7 @@
+export type MileageSourceGroup = 'instrument' | 'gps';
+export type MileageSourceCategory = 'INSTRUMENT' | 'GPS' | 'MIXED';
+export type MileageSourceProtocol = 'GB32960' | 'MQTT' | 'JT808';
+
 export interface MonitoringVehicle {
  plate: string;
  vin: string;
@@ -5,6 +9,9 @@ export interface MonitoringVehicle {
  dailyMileage?: Record<string, number>;
  totalKm: number | null;
  source: string;
+  sourceProtocol: MileageSourceProtocol | null;
+  sourceCategory: MileageSourceCategory | null;
+  dailySourceProtocols?: Record<string, MileageSourceProtocol | null>;
  dataTime: string | null;
  calculatedAt: string | null;
  updatedAt: string | null;
@@ -51,6 +58,7 @@ export interface MonitoringData {
  page: number;
  totalPages: number;
  updatedAt: string;
+  sourcePriority: MileageSourceGroup[];
 }

 export interface TargetSummary {
--- a/src/modules/mileage/xlsx-export.ts
+++ b/src/modules/mileage/xlsx-export.ts
@@ -9,10 +9,17 @@ interface ExportContext {
 }

 const BASE_HEADERS = [
-  '状态', '车牌号', '客户', '业务部门', '项目', '租赁状态',
+  '状态', '数据来源', '车牌号', '客户', '业务部门', '项目', '租赁状态',
  '运营区域',
 ] as const;

+function sourceLabel(v: MonitoringVehicle): string {
+  if (v.sourceCategory === 'INSTRUMENT') return '仪表数据';
+  if (v.sourceCategory === 'GPS') return 'GPS数据';
+  if (v.sourceCategory === 'MIXED') return '仪表数据+GPS数据';
+  return v.isDataSynced ? '来源待接口' : '无数据';
+}
+
 function statusLabel(v: MonitoringVehicle): string {
  if (!v.isDataSynced) return '未对接';
  return v.isOnline ? '在线' : '离线';
@@ -49,6 +56,7 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
    ...vehicles.map(v => {
      const baseRow = [
        statusLabel(v),
+        sourceLabel(v),
        v.plate,
        v.customer || '',
        v.department || '',
@@ -71,6 +79,7 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
  const numFixedCols = BASE_HEADERS.length;
  const wsCols: { wch: number }[] = [
    { wch: 8 },   // 状态
+    { wch: 16 },  // 数据来源
    { wch: 12 },  // 车牌号
    { wch: 28 },  // 客户
    { wch: 14 },  // 业务部门
@@ -111,7 +120,7 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
  // 每日明细 sheet：保留原有格式
  if (dayKeys.length > 0) {
    const detailHeaders = [
-      '车牌号', '客户', '业务部门', '项目', '租赁状态', '运营区域',
+      '车牌号', '数据来源', '客户', '业务部门', '项目', '租赁状态', '运营区域',
      ...dayKeys.map(day => `${day}里程(km)`),
      '区间合计(km)',
      '累计里程(km)',
@@ -120,6 +129,7 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
      detailHeaders,
      ...vehicles.map(v => [
        v.plate,
+        sourceLabel(v),
        v.customer || '',
        v.department || '',
        v.project || '',
@@ -133,6 +143,7 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
    const detailWs = XLSX.utils.aoa_to_sheet(detailData);
    detailWs['!cols'] = [
      { wch: 12 },
+      { wch: 16 },
      { wch: 28 },
      { wch: 14 },
      { wch: 16 },
@@ -142,9 +153,9 @@ export function exportMileageXlsx(vehicles: MonitoringVehicle[], ctx: ExportCont
      { wch: 14 },
      { wch: 14 },
    ];
-    detailWs['!freeze'] = { xSplit: 6, ySplit: 1 } as never;
+    detailWs['!freeze'] = { xSplit: 7, ySplit: 1 } as never;
    for (let r = 1; r < detailData.length; r++) {
-      for (let c = 6; c < detailHeaders.length; c++) {
+      for (let c = 7; c < detailHeaders.length; c++) {
        const ref = XLSX.utils.encode_cell({ r, c });
        if (detailWs[ref]?.t === 'n') detailWs[ref].z = '0.##########';
      }
--- a/src/server/routes/mileage/cache.ts
+++ b/src/server/routes/mileage/cache.ts
@@ -4,6 +4,11 @@ import { dirname, join } from 'node:path';
 import pool from '../../db.js';
 import { fetchVehicleInfoMap } from './vehicle-info.js';
 import { fetchOneOsDailyMileage, fetchOneOsMileageDates, type OneOsDailyMileage } from './oneos-api.js';
+import {
+  sourceCategoryFromProtocol,
+  type MileageSourceCategory,
+  type OneOsProtocol,
+} from './source-policy.js';
 import type { CachedVehicle, MonitoringCache, MonitoringFilters, PlatePrefix, VehicleInfoRow } from './types.js';

 const __dirname = dirname(fileURLToPath(import.meta.url));
@@ -64,6 +69,7 @@ interface MileageRow {
  daily_km: string;
  total_km: string | null;
  source: string;
+  source_protocol: OneOsProtocol | null;
  data_time: string | null;
  calculated_at: string | null;
  updated_at: string | null;
@@ -75,6 +81,7 @@ interface DailyMileageRow {
  date: string;
  daily_km: string | number | null;
  source: string | null;
+  source_protocol: OneOsProtocol | null;
  data_time: string | null;
  calculated_at: string | null;
  updated_at: string | null;
@@ -87,6 +94,7 @@ function toMileageRows(rows: OneOsDailyMileage[]): MileageRow[] {
    daily_km: String(row.dailyMileageKm ?? 0),
    total_km: row.totalMileageKm == null ? null : String(row.totalMileageKm),
    source: row.status === 'NORMAL' ? 'ONEOS_API' : 'NONE',
+    source_protocol: row.sourceProtocol,
    data_time: row.dataTime,
    calculated_at: row.calculatedAt,
    updated_at: row.updatedAt,
@@ -190,6 +198,8 @@ function mergeVehicles(
      // Never backfill it from another mileage source outside the assessment page.
      totalKm: gpsTotal,
      source,
+      sourceProtocol: m?.source_protocol || null,
+      sourceCategory: sourceCategoryFromProtocol(m?.source_protocol || null),
      dataTime: m?.data_time || null,
      calculatedAt: m?.calculated_at || null,
      updatedAt: m?.updated_at || null,
@@ -248,10 +258,13 @@ export async function refreshMonitoringCache(): Promise<void> {
  }
 }

-export async function queryDateMileage(dateStr: string): Promise<CachedVehicle[]> {
+export async function queryDateMileage(
+  dateStr: string,
+  protocolPriority?: OneOsProtocol[],
+): Promise<CachedVehicle[]> {
  const [apiRows, yesterdayRows, infoMap, targetRows] = await Promise.all([
-    fetchOneOsDailyMileage(dateStr),
-    fetchOneOsDailyMileage(previousDate(dateStr)),
+    fetchOneOsDailyMileage(dateStr, undefined, protocolPriority),
+    fetchOneOsDailyMileage(previousDate(dateStr), undefined, protocolPriority),
    fetchVehicleInfoMap(),
    fetchTargetRows(),
  ]);
@@ -282,11 +295,16 @@ function datesBetween(start: string, end: string): string[] {
  return result;
 }

-export async function queryRangeMileage(startDate: string, endDate: string): Promise<RangeMileageResult> {
+export async function queryRangeMileage(
+  startDate: string,
+  endDate: string,
+  protocolPriority?: OneOsProtocol[],
+): Promise<RangeMileageResult> {
  if (startDate === endDate) {
-    const vehicles = (await queryDateMileage(startDate)).map(vehicle => ({
+    const vehicles = (await queryDateMileage(startDate, protocolPriority)).map(vehicle => ({
      ...vehicle,
      dailyMileage: { [startDate]: vehicle.dailyKm },
+      dailySourceProtocols: { [startDate]: vehicle.sourceProtocol },
    }));
    return {
      vehicles,
@@ -301,9 +319,9 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro

  const days = datesBetween(startDate, endDate);
  const [apiRowsByDate, endDateRows, yesterdayRows, infoMap, targetRows] = await Promise.all([
-    fetchOneOsMileageDates(days),
-    fetchOneOsDailyMileage(endDate),
-    fetchOneOsDailyMileage(previousDate(startDate)),
+    fetchOneOsMileageDates(days, undefined, protocolPriority),
+    fetchOneOsDailyMileage(endDate, undefined, protocolPriority),
+    fetchOneOsDailyMileage(previousDate(startDate), undefined, protocolPriority),
    fetchVehicleInfoMap(),
    fetchTargetRows(),
  ]);
@@ -316,6 +334,7 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
        date,
        daily_km: row.dailyMileageKm,
        source: row.status === 'NORMAL' ? 'ONEOS_API' : 'NONE',
+        source_protocol: row.sourceProtocol,
        data_time: row.dataTime,
        calculated_at: row.calculatedAt,
        updated_at: row.updatedAt,
@@ -324,12 +343,15 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
  }

  const perVehicleDaily = new Map<string, Record<string, number>>();
+  const perVehicleDailySources = new Map<string, Record<string, OneOsProtocol | null>>();
+  const perVehicleSourceCategories = new Map<string, Set<MileageSourceCategory>>();
  const perVehicleSum = new Map<string, {
    plate: string;
    vin: string;
    daily_km: string;
    total_km: string | null;
    source: string;
+    source_protocol: OneOsProtocol | null;
    data_time: string | null;
    calculated_at: string | null;
    updated_at: string | null;
@@ -357,6 +379,15 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
    const daily = perVehicleDaily.get(plate) || {};
    daily[date] = km;
    perVehicleDaily.set(plate, daily);
+    const dailySources = perVehicleDailySources.get(plate) || {};
+    dailySources[date] = row.source_protocol;
+    perVehicleDailySources.set(plate, dailySources);
+    const category = sourceCategoryFromProtocol(row.source_protocol);
+    if (category) {
+      const categories = perVehicleSourceCategories.get(plate) || new Set<MileageSourceCategory>();
+      categories.add(category);
+      perVehicleSourceCategories.set(plate, categories);
+    }

    const existing = perVehicleSum.get(plate);
    perVehicleSum.set(plate, {
@@ -365,6 +396,7 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
      daily_km: String((Number(existing?.daily_km) || 0) + km),
      total_km: null,
      source: existing?.source !== 'NONE' && existing?.source ? existing.source : (row.source || 'NONE'),
+      source_protocol: row.source_protocol || existing?.source_protocol || null,
      data_time: row.data_time || existing?.data_time || null,
      calculated_at: row.calculated_at || existing?.calculated_at || null,
      updated_at: row.updated_at || existing?.updated_at || null,
@@ -379,6 +411,7 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
      ...aggregate,
      vin: endDateRow.vin || aggregate.vin,
      total_km: endDateRow.totalMileageKm == null ? null : String(endDateRow.totalMileageKm),
+      source_protocol: endDateRow.sourceProtocol || aggregate.source_protocol,
      data_time: endDateRow.dataTime || aggregate.data_time,
      updated_at: endDateRow.updatedAt || aggregate.updated_at,
    });
@@ -393,9 +426,20 @@ export async function queryRangeMileage(startDate: string, endDate: string): Pro
    buildPlateTargetNamesMap(targetRows),
  ).map(vehicle => {
    const dailyMileage = perVehicleDaily.get(vehicle.plate) || {};
+    const dailySources = perVehicleDailySources.get(vehicle.plate) || {};
+    const categories = perVehicleSourceCategories.get(vehicle.plate);
    const completedDailyMileage: Record<string, number> = {};
+    const completedDailySources: Record<string, OneOsProtocol | null> = {};
    for (const day of days) completedDailyMileage[day] = dailyMileage[day] || 0;
-    return { ...vehicle, dailyMileage: completedDailyMileage };
+    for (const day of days) completedDailySources[day] = dailySources[day] || null;
+    return {
+      ...vehicle,
+      dailyMileage: completedDailyMileage,
+      dailySourceProtocols: completedDailySources,
+      sourceCategory: categories && categories.size > 1
+        ? 'MIXED' as const
+        : categories?.values().next().value || vehicle.sourceCategory,
+    };
  });

  return {
--- a/src/server/routes/mileage/monitoring.ts
+++ b/src/server/routes/mileage/monitoring.ts
@@ -3,6 +3,11 @@ import { getCache, queryDateMileage, queryRangeMileage, buildDateFilters } from
 import { filterByPermission, maskCustomerNames } from '../../auth/permissions.js';
 import type { AuthUser } from '../../auth/types.js';
 import type { CachedVehicle, MonitoringFilters, MonitoringResponse } from './types.js';
+import {
+  DEFAULT_MILEAGE_SOURCE_PRIORITY,
+  parseMileageSourcePriority,
+  protocolsForSourcePriority,
+} from './source-policy.js';

 const app = new Hono();

@@ -14,6 +19,7 @@ const EMPTY_RESPONSE: MonitoringResponse = {
  page: 1,
  totalPages: 1,
  updatedAt: new Date().toISOString(),
+  sourcePriority: [...DEFAULT_MILEAGE_SOURCE_PRIORITY],
 };

 function applyFilters(vehicles: CachedVehicle[], params: {
@@ -104,6 +110,8 @@ app.get('/', async (c) => {
  const page = Number(c.req.query('page')) || 1;
  const date = c.req.query('date') || '';
  const range = normalizeRange(c.req.query('startDate') || '', c.req.query('endDate') || '');
+  const sourcePriority = parseMileageSourcePriority(c.req.query('sourcePriority'));
+  const protocolPriority = protocolsForSourcePriority(sourcePriority);

  const filterParams = {
    search: c.req.query('search') || '',
@@ -128,7 +136,7 @@ app.get('/', async (c) => {

  if (range) {
    try {
-      const result = await queryRangeMileage(range.start, range.end);
+      const result = await queryRangeMileage(range.start, range.end, protocolPriority);
      allVehicles = result.vehicles;
      rangeDailyTotals = result.dailyTotals;
      dateRange = { start: result.start, end: result.end };
@@ -139,7 +147,7 @@ app.get('/', async (c) => {
    }
  } else if (date) {
    try {
-      allVehicles = await queryDateMileage(date);
+      allVehicles = await queryDateMileage(date, protocolPriority);
      filters = buildDateFilters(allVehicles);
    } catch (e: unknown) {
      console.error('monitoring date query error:', e);
@@ -200,6 +208,7 @@ app.get('/', async (c) => {
    page,
    totalPages: Math.ceil(total / limit),
    updatedAt: dateRange?.end || date || getCache()?.updatedAt || new Date().toISOString(),
+    sourcePriority,
  });
 });

--- a/src/server/routes/mileage/oneos-api.ts
+++ b/src/server/routes/mileage/oneos-api.ts
@@ -1,4 +1,9 @@
 import dotenv from 'dotenv';
+import {
+  DEFAULT_ONEOS_PROTOCOL_PRIORITY,
+  normalizeOneOsProtocol,
+  type OneOsProtocol,
+} from './source-policy.js';

 dotenv.config();

@@ -20,6 +25,7 @@ export interface OneOsDailyMileage {
  dataTime: string | null;
  calculatedAt: string | null;
  updatedAt: string | null;
+  sourceProtocol: OneOsProtocol | null;
 }

 interface OneOsMileageResponse {
@@ -42,6 +48,17 @@ interface CacheEntry {
 const cache = new Map<string, CacheEntry>();
 const inflight = new Map<string, Promise<OneOsDailyMileage[]>>();
 const rangeInflight = new Map<string, Promise<Map<string, OneOsDailyMileage[]>>>();
+let protocolPrioritySupported: boolean | null = null;
+let protocolFallbackWarned = false;
+
+function markProtocolPriorityUnsupported(): void {
+  protocolPrioritySupported = false;
+  if (protocolFallbackWarned) return;
+  protocolFallbackWarned = true;
+  console.warn(
+    '[mileage] OneOS does not support protocolPriority/sourceProtocol yet; using the legacy request contract',
+  );
+}

 function apiConfig(): { baseUrl: string; apiKey: string; timeoutMs: number } {
  const baseUrl = (process.env.ONEOS_MILEAGE_API_BASE_URL || '').replace(/\/+$/, '');
@@ -94,6 +111,9 @@ function normalizeRows(value: unknown, requestedDate: string): OneOsDailyMileage
    const dataTime = stringField('dataTime', 'statisticTime', 'recordTime');
    const calculatedAt = stringField('calculatedAt', 'calculationTime');
    const updatedAt = stringField('updatedAt');
+    const sourceProtocol = normalizeOneOsProtocol(
+      stringField('sourceProtocol', 'protocol', 'dataSource'),
+    );
    if (!plateNumber || date !== requestedDate) continue;

    const normalized: OneOsDailyMileage = {
@@ -106,6 +126,7 @@ function normalizeRows(value: unknown, requestedDate: string): OneOsDailyMileage
      dataTime,
      calculatedAt,
      updatedAt,
+      sourceProtocol,
    };
    const existing = best.get(plateNumber);
    if (!existing || (dailyMileageKm ?? -1) > (existing.dailyMileageKm ?? -1)) {
@@ -131,12 +152,18 @@ function normalizeRangeRows(value: unknown, startDate: string, endDate: string):
  return result;
 }

-async function requestDate(date: string): Promise<OneOsDailyMileage[]> {
+async function requestDate(
+  date: string,
+  protocolPriority: OneOsProtocol[],
+): Promise<OneOsDailyMileage[]> {
  const { baseUrl, apiKey, timeoutMs } = apiConfig();
  let lastError: unknown;

  for (let attempt = 0; attempt < 3; attempt += 1) {
    try {
+      const includeProtocolPriority = protocolPrioritySupported !== false;
+      const body: Record<string, unknown> = { date };
+      if (includeProtocolPriority) body.protocolPriority = protocolPriority;
      const response = await fetch(`${baseUrl}${ENDPOINT}`, {
        method: 'POST',
        headers: {
@@ -145,10 +172,18 @@ async function requestDate(date: string): Promise<OneOsDailyMileage[]> {
        },
        // Intentionally omit plateNumbers: the API then returns every vehicle
        // authorized for this application on the requested natural day.
-        body: JSON.stringify({ date }),
+        body: JSON.stringify(body),
        signal: AbortSignal.timeout(timeoutMs),
      });
      const payload = await response.json().catch(() => null) as OneOsMileageResponse | null;
+      if (
+        includeProtocolPriority &&
+        response.status === 400 &&
+        payload?.code === 'INVALID_REQUEST'
+      ) {
+        markProtocolPriorityUnsupported();
+        continue;
+      }
      if (!response.ok || payload?.code !== 'SUCCESS') {
        const trace = payload?.traceId ? `, traceId=${payload.traceId}` : '';
        const error = new Error(
@@ -157,6 +192,7 @@ async function requestDate(date: string): Promise<OneOsDailyMileage[]> {
        if (response.status < 500 || attempt === 2) throw error;
        lastError = error;
      } else {
+        if (includeProtocolPriority) protocolPrioritySupported = true;
        return normalizeRows(payload.data, date);
      }
    } catch (error) {
@@ -175,6 +211,7 @@ async function requestRange(
  startDate: string,
  endDate: string,
  plateNumbers: string[],
+  protocolPriority: OneOsProtocol[],
 ): Promise<Map<string, OneOsDailyMileage[]>> {
  const { baseUrl, apiKey, timeoutMs } = apiConfig();
  const allRows: unknown[] = [];
@@ -192,6 +229,8 @@ async function requestRange(
          endDate,
          pageSize: RANGE_PAGE_SIZE,
        };
+        const includeProtocolPriority = protocolPrioritySupported !== false;
+        if (includeProtocolPriority) body.protocolPriority = protocolPriority;
        if (plateNumbers.length > 0) body.plateNumbers = plateNumbers;
        if (cursor) body.cursor = cursor;
        const response = await fetch(`${baseUrl}${RANGE_ENDPOINT}`, {
@@ -204,6 +243,14 @@ async function requestRange(
          signal: AbortSignal.timeout(timeoutMs),
        });
        payload = await response.json().catch(() => null) as OneOsMileageRangeResponse | null;
+        if (
+          includeProtocolPriority &&
+          response.status === 400 &&
+          payload?.code === 'INVALID_REQUEST'
+        ) {
+          markProtocolPriorityUnsupported();
+          continue;
+        }
        if (!response.ok || payload?.code !== 'SUCCESS') {
          const trace = payload?.traceId ? `, traceId=${payload.traceId}` : '';
          const error = new Error(
@@ -212,6 +259,7 @@ async function requestRange(
          if (response.status < 500 || attempt === 2) throw error;
          lastError = error;
        } else {
+          if (includeProtocolPriority) protocolPrioritySupported = true;
          break;
        }
      } catch (error) {
@@ -252,26 +300,29 @@ function trimCache(): void {
 export async function fetchOneOsDailyMileage(
  date: string,
  plateNumbers?: string[],
+  protocolPriority: OneOsProtocol[] = DEFAULT_ONEOS_PROTOCOL_PRIORITY,
 ): Promise<OneOsDailyMileage[]> {
  if (!/^\d{4}-\d{2}-\d{2}$/.test(date)) throw new Error(`Invalid mileage date: ${date}`);

-  const hit = cache.get(date);
+  const policyKey = protocolPriority.join('>');
+  const cacheKey = `${date}:${policyKey}`;
+  const hit = cache.get(cacheKey);
  let rows: OneOsDailyMileage[];
  if (hit && hit.expiresAt > Date.now()) {
    rows = hit.rows;
  } else {
-    let pending = inflight.get(date);
+    let pending = inflight.get(cacheKey);
    if (!pending) {
-      pending = requestDate(date).then(result => {
+      pending = requestDate(date, protocolPriority).then(result => {
        const ttl = date === shanghaiDate() ? CURRENT_DAY_TTL_MS : HISTORICAL_TTL_MS;
-        cache.delete(date);
+        cache.delete(cacheKey);
        if (ttl > 0) {
-          cache.set(date, { rows: result, expiresAt: Date.now() + ttl });
+          cache.set(cacheKey, { rows: result, expiresAt: Date.now() + ttl });
          trimCache();
        }
        return result;
-      }).finally(() => inflight.delete(date));
-      inflight.set(date, pending);
+      }).finally(() => inflight.delete(cacheKey));
+      inflight.set(cacheKey, pending);
    }
    rows = await pending;
  }
@@ -284,6 +335,7 @@ export async function fetchOneOsDailyMileage(
 export async function fetchOneOsMileageDates(
  dates: string[],
  plateNumbers?: string[],
+  protocolPriority: OneOsProtocol[] = DEFAULT_ONEOS_PROTOCOL_PRIORITY,
 ): Promise<Map<string, OneOsDailyMileage[]>> {
  const result = new Map<string, OneOsDailyMileage[]>();
  const uniqueDates = Array.from(new Set(dates)).sort();
@@ -312,10 +364,20 @@ export async function fetchOneOsMileageDates(
  await Promise.all(groups.map(async group => {
    const startDate = group[0];
    const endDate = group[group.length - 1];
-    const key = `${startDate}:${endDate}:${selectedPlates.length > 0 ? selectedPlates.join('\u0000') : '*'}`;
+    const key = [
+      startDate,
+      endDate,
+      selectedPlates.length > 0 ? selectedPlates.join('\u0000') : '*',
+      protocolPriority.join('>'),
+    ].join(':');
    let pending = rangeInflight.get(key);
    if (!pending) {
-      pending = requestRange(startDate, endDate, selectedPlates).finally(() => rangeInflight.delete(key));
+      pending = requestRange(
+        startDate,
+        endDate,
+        selectedPlates,
+        protocolPriority,
+      ).finally(() => rangeInflight.delete(key));
      rangeInflight.set(key, pending);
    }
    const rowsByDate = await pending;
--- a/src/server/routes/mileage/source-policy.ts
+++ b/src/server/routes/mileage/source-policy.ts
@@ -0,0 +1,38 @@
+export type MileageSourceGroup = 'instrument' | 'gps';
+export type OneOsProtocol = 'GB32960' | 'MQTT' | 'JT808';
+export type MileageSourceCategory = 'INSTRUMENT' | 'GPS';
+
+export const DEFAULT_MILEAGE_SOURCE_PRIORITY: MileageSourceGroup[] = ['instrument', 'gps'];
+export const DEFAULT_ONEOS_PROTOCOL_PRIORITY: OneOsProtocol[] = ['GB32960', 'MQTT', 'JT808'];
+
+export function parseMileageSourcePriority(value?: string): MileageSourceGroup[] {
+  if (!value) return [...DEFAULT_MILEAGE_SOURCE_PRIORITY];
+  const groups = value.split(',')
+    .map(item => item.trim().toLowerCase())
+    .filter((item): item is MileageSourceGroup => item === 'instrument' || item === 'gps');
+  const unique = Array.from(new Set(groups));
+  return unique.length > 0 ? unique : [...DEFAULT_MILEAGE_SOURCE_PRIORITY];
+}
+
+export function protocolsForSourcePriority(groups: MileageSourceGroup[]): OneOsProtocol[] {
+  return groups.flatMap(group => group === 'instrument'
+    ? ['GB32960', 'MQTT'] as OneOsProtocol[]
+    : ['JT808'] as OneOsProtocol[]);
+}
+
+export function normalizeOneOsProtocol(value: unknown): OneOsProtocol | null {
+  if (typeof value !== 'string') return null;
+  const normalized = value.trim().toUpperCase().replace(/[^A-Z0-9]/g, '');
+  if (normalized === 'GB32960' || normalized === '32960') return 'GB32960';
+  if (normalized === 'MQTT') return 'MQTT';
+  if (normalized === 'JT808' || normalized === '808') return 'JT808';
+  return null;
+}
+
+export function sourceCategoryFromProtocol(
+  protocol: OneOsProtocol | null,
+): MileageSourceCategory | null {
+  if (protocol === 'GB32960' || protocol === 'MQTT') return 'INSTRUMENT';
+  if (protocol === 'JT808') return 'GPS';
+  return null;
+}
--- a/src/server/routes/mileage/types.ts
+++ b/src/server/routes/mileage/types.ts
@@ -6,6 +6,9 @@ export interface CachedVehicle {
  dailyMileage?: Record<string, number>;
  totalKm: number | null;
  source: string;
+  sourceProtocol: 'GB32960' | 'MQTT' | 'JT808' | null;
+  sourceCategory: 'INSTRUMENT' | 'GPS' | 'MIXED' | null;
+  dailySourceProtocols?: Record<string, 'GB32960' | 'MQTT' | 'JT808' | null>;
  dataTime: string | null;
  calculatedAt: string | null;
  updatedAt: string | null;
@@ -72,6 +75,7 @@ export interface MonitoringResponse {
  page: number;
  totalPages: number;
  updatedAt: string;
+  sourcePriority: ('instrument' | 'gps')[];
 }

 /** 车辆关联信息（从 lingniu_prod 查出的原始行） */
--- a/src/server/routes/mileage/vehicle-recent.ts
+++ b/src/server/routes/mileage/vehicle-recent.ts
@@ -1,5 +1,10 @@
 import { Hono } from 'hono';
 import { fetchOneOsMileageDates } from './oneos-api.js';
+import {
+  parseMileageSourcePriority,
+  protocolsForSourcePriority,
+  sourceCategoryFromProtocol,
+} from './source-policy.js';

 const app = new Hono();

@@ -23,6 +28,8 @@ const MAX_DAYS = 366;
 app.get('/:plate/recent', async (c) => {
  const plate = c.req.param('plate');
  if (!plate) return c.json({ plate: '', days: [] }, 400);
+  const sourcePriority = parseMileageSourcePriority(c.req.query('sourcePriority'));
+  const protocolPriority = protocolsForSourcePriority(sourcePriority);

  const today = new Date();
  today.setHours(0, 0, 0, 0);
@@ -58,10 +65,16 @@ app.get('/:plate/recent', async (c) => {
      dates.push(fmt(dateCursor));
      dateCursor.setDate(dateCursor.getDate() + 1);
    }
-    const rowsByDate = await fetchOneOsMileageDates(dates, [plate]);
+    const rowsByDate = await fetchOneOsMileageDates(dates, [plate], protocolPriority);

    // 补全：从 start 到 end 每天一条
-    const result: { date: string; dailyKm: number; isDataSynced: boolean }[] = [];
+    const result: {
+      date: string;
+      dailyKm: number;
+      isDataSynced: boolean;
+      sourceProtocol: 'GB32960' | 'MQTT' | 'JT808' | null;
+      sourceCategory: 'INSTRUMENT' | 'GPS' | null;
+    }[] = [];
    const cursor = new Date(start);
    while (cursor <= end) {
      const key = fmt(cursor);
@@ -70,11 +83,19 @@ app.get('/:plate/recent', async (c) => {
        date: key,
        dailyKm: hit?.status === 'NORMAL' ? (hit.dailyMileageKm || 0) : 0,
        isDataSynced: hit?.status === 'NORMAL',
+        sourceProtocol: hit?.sourceProtocol || null,
+        sourceCategory: sourceCategoryFromProtocol(hit?.sourceProtocol || null),
      });
      cursor.setDate(cursor.getDate() + 1);
    }

-    return c.json({ plate, start: fmt(start), end: fmt(end), days: result });
+    return c.json({
+      plate,
+      start: fmt(start),
+      end: fmt(end),
+      sourcePriority,
+      days: result,
+    });
  } catch (e: unknown) {
    console.error('vehicle recent error:', e);
    return c.json({ plate, days: [] }, 500);