diff --git a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
index 4d8500e5..dfa4b778 100644
--- a/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/VehicleDetail.tsx
@@ -66,6 +66,31 @@ function sourceServiceRole(source: VehicleSourceStatus, primaryProtocol?: string
   return { label: '离线证据', color: 'grey' as const };
 }
 
+function sourceFusionRow(source: VehicleSourceStatus, realtime: RealtimeLocationRow | undefined, primaryProtocol?: string): SourceFusionRow {
+  const hasLocation = !!realtime && isFiniteNumber(realtime.longitude) && isFiniteNumber(realtime.latitude) && realtime.longitude !== 0 && realtime.latitude !== 0;
+  const hasMileage = isFiniteNumber(realtime?.totalMileageKm) || source.hasMileage;
+  const contribution = [
+    source.protocol === primaryProtocol ? '主实时来源' : '',
+    source.online ? '在线心跳' : '',
+    source.hasRealtime || realtime ? '实时字段' : '',
+    hasLocation ? '定位证据' : '',
+    source.hasHistory ? '轨迹回放' : '',
+    source.hasRaw ? 'RAW证据' : '',
+    hasMileage ? '统计口径' : ''
+  ].filter(Boolean);
+  return {
+    source,
+    realtime,
+    role: sourceServiceRole(source, primaryProtocol),
+    freshness: source.online ? `在线 / ${source.lastSeen || realtime?.lastSeen || '-'}` : source.lastSeen ? `离线 / ${source.lastSeen}` : '未接入',
+    realtimeText: source.hasRealtime || realtime ? `速度 ${formatCompactNumber(realtime?.speedKmh, ' km/h')} / SOC ${formatCompactNumber(realtime?.socPercent, '%')}` : '无实时字段',
+    locationText: hasLocation ? `${realtime?.longitude}, ${realtime?.latitude}` : '无有效坐标',
+    rawText: source.hasRaw ? '可查 RAW' : '无 RAW 证据',
+    mileageText: hasMileage ? formatCompactNumber(realtime?.totalMileageKm, ' km') : '无里程证据',
+    contribution: contribution.length > 0 ? contribution : ['待补来源']
+  };
+}
+
 type VehicleServiceAction = {
   key: string;
   label: string;
@@ -74,6 +99,18 @@ type VehicleServiceAction = {
   onClick: () => void;
 };
 
+type SourceFusionRow = {
+  source: VehicleSourceStatus;
+  realtime?: RealtimeLocationRow;
+  role: { label: string; color: 'green' | 'orange' | 'red' | 'blue' | 'grey' };
+  freshness: string;
+  realtimeText: string;
+  locationText: string;
+  rawText: string;
+  mileageText: string;
+  contribution: string[];
+};
+
 type VehicleReportRow = {
   section: string;
   item: string;
@@ -243,6 +280,9 @@ export function VehicleDetail({
     }
     return next;
   }, [realtimeRows]);
+  const sourceFusionRows = useMemo(() => (
+    (detail?.sourceStatus ?? []).map((source) => sourceFusionRow(source, latestRealtimeByProtocol.get(source.protocol), summary?.primaryProtocol))
+  ), [detail?.sourceStatus, latestRealtimeByProtocol, summary?.primaryProtocol]);
   const realtimeSources = new Set(realtimeRows.map((row) => row.protocol).filter(Boolean));
   const sourceCount = Math.max(detail?.sourceStatus?.length ?? 0, realtimeSources.size, summary?.sourceCount ?? 0, protocols.length);
   const onlineSourceCount = detail?.sourceStatus?.length
@@ -385,6 +425,38 @@ export function VehicleDetail({
     ];
     copyText(lines.join('\n'), '诊断摘要');
   };
+  const copySourceFusionReport = () => {
+    if (!detail || sourceFusionRows.length === 0) {
+      Toast.warning('当前没有可复制的多源归并矩阵');
+      return;
+    }
+    const vehicleName = [archivePlate, displayVIN].filter((item) => item && item !== '-').join(' / ') || displayLookupKey;
+    const lines = [
+      '【单车多源归并矩阵】',
+      `车辆：${vehicleName}`,
+      `当前范围：${scopeText}`,
+      `主来源：${overview?.primaryProtocol || summary?.primaryProtocol || '-'}`,
+      `来源覆盖：${evidenceSourceCount > 0 ? `${evidenceOnlineSourceCount}/${evidenceSourceCount} 在线` : '-'}`,
+      `一致性：${consistencyTitle}`,
+      '',
+      ...sourceFusionRows.map((row, index) => [
+        `${index + 1}. ${row.source.protocol} / ${row.role.label}`,
+        `   新鲜度：${row.freshness}`,
+        `   贡献：${row.contribution.join('、')}`,
+        `   实时：${row.realtimeText}`,
+        `   定位：${row.locationText}`,
+        `   RAW：${row.rawText}`,
+        `   里程：${row.mileageText}`
+      ].join('\n')),
+      '',
+      `车辆服务：${vehicleServiceURL(vehicleServiceHash('detail'))}`,
+      `实时监控：${vehicleServiceURL(vehicleServiceHash('realtime'))}`,
+      `轨迹回放：${vehicleServiceURL(vehicleServiceHash('history'))}`,
+      `RAW证据：${vehicleServiceURL(vehicleServiceHash('history-query', { tab: 'raw', includeFields: 'true' }))}`,
+      `里程统计：${vehicleServiceURL(vehicleServiceHash('mileage'))}`
+    ];
+    copyText(lines.join('\n'), '多源归并矩阵');
+  };
   const qualityIssueAction = (count: number) => {
     if (count <= 0) {
       return <Tag color="green">无</Tag>;
@@ -818,6 +890,62 @@ export function VehicleDetail({
         </Card>
       ) : null}
 
+      {hasResolvedVIN && sourceFusionRows.length > 0 ? (
+        <Card
+          bordered
+          title={<Space><span>多源归并矩阵</span><Button size="small" aria-label="复制归并矩阵" icon={<IconCopy />} onClick={copySourceFusionReport}>复制归并矩阵</Button></Space>}
+          style={{ marginTop: 16 }}
+        >
+          <div className="vp-source-fusion-grid">
+            {sourceFusionRows.map((row) => (
+              <div key={row.source.protocol} className="vp-source-fusion-item">
+                <div className="vp-source-fusion-head">
+                  <Space spacing={6} wrap>
+                    <Tag color={row.role.color}>{row.source.protocol}</Tag>
+                    <Tag color={row.source.online ? 'green' : row.source.lastSeen ? 'orange' : 'grey'}>{row.freshness}</Tag>
+                  </Space>
+                  <Tag color={row.role.color}>{row.role.label}</Tag>
+                </div>
+                <div className="vp-source-fusion-contribution">
+                  {row.contribution.map((item) => (
+                    <Tag key={item} color={item === '待补来源' ? 'orange' : 'blue'}>{item}</Tag>
+                  ))}
+                </div>
+                <div className="vp-source-fusion-facts">
+                  {[
+                    { label: '实时', value: row.realtimeText },
+                    { label: '定位', value: row.locationText },
+                    { label: 'RAW', value: row.rawText },
+                    { label: '里程', value: row.mileageText }
+                  ].map((item) => (
+                    <div key={item.label} className="vp-source-fusion-fact">
+                      <span>{item.label}</span>
+                      <strong>{item.value}</strong>
+                    </div>
+                  ))}
+                </div>
+                <Space wrap>
+                  <Button
+                    size="small"
+                    theme={activeProtocol === row.source.protocol ? 'solid' : 'light'}
+                    type={activeProtocol === row.source.protocol ? 'primary' : 'tertiary'}
+                    disabled={activeProtocol === row.source.protocol}
+                    aria-label={`归并矩阵仅看 ${row.source.protocol}`}
+                    onClick={() => switchSource(row.source.protocol)}
+                  >
+                    仅看
+                  </Button>
+                  <Button size="small" theme="light" disabled={!row.source.hasRealtime} onClick={() => onOpenRealtime(resolvedVIN, row.source.protocol)}>实时</Button>
+                  <Button size="small" theme="light" disabled={!row.source.hasHistory} onClick={() => onOpenHistory(resolvedVIN, row.source.protocol)}>轨迹</Button>
+                  <Button size="small" theme="light" disabled={!row.source.hasRaw} onClick={() => onOpenRaw(resolvedVIN, row.source.protocol)}>RAW</Button>
+                  <Button size="small" theme="light" disabled={!row.source.hasMileage} onClick={() => onOpenMileage(resolvedVIN, row.source.protocol)}>里程</Button>
+                </Space>
+              </div>
+            ))}
+          </div>
+        </Card>
+      ) : null}
+
       {hasResolvedVIN && vehicleMapPoints.length > 0 ? (
         <Card bordered title="车辆位置态势" style={{ marginTop: 16 }}>
           <div className="vp-vehicle-map-layout">
diff --git a/vehicle-data-platform/apps/web/src/styles/global.css b/vehicle-data-platform/apps/web/src/styles/global.css
index 49647d59..ae28d406 100644
--- a/vehicle-data-platform/apps/web/src/styles/global.css
+++ b/vehicle-data-platform/apps/web/src/styles/global.css
@@ -1548,6 +1548,69 @@ button.vp-realtime-command-item:focus-visible {
   gap: 16px;
 }
 
+.vp-source-fusion-grid {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.vp-source-fusion-item {
+  min-height: 250px;
+  padding: 14px;
+  border: 1px solid var(--vp-border);
+  border-radius: var(--vp-radius);
+  background: #fbfcff;
+  display: grid;
+  gap: 12px;
+  align-content: space-between;
+}
+
+.vp-source-fusion-head {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 10px;
+}
+
+.vp-source-fusion-contribution {
+  min-height: 52px;
+  display: flex;
+  flex-wrap: wrap;
+  align-content: flex-start;
+  gap: 6px;
+}
+
+.vp-source-fusion-facts {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.vp-source-fusion-fact {
+  min-height: 64px;
+  padding: 9px 10px;
+  border: 1px solid var(--vp-border);
+  border-radius: 6px;
+  background: #fff;
+  display: grid;
+  gap: 5px;
+  align-content: start;
+}
+
+.vp-source-fusion-fact span {
+  color: var(--vp-text-muted);
+  font-size: 12px;
+  line-height: 18px;
+}
+
+.vp-source-fusion-fact strong {
+  color: var(--vp-text);
+  font-size: 13px;
+  line-height: 19px;
+  font-weight: 600;
+  word-break: break-word;
+}
+
 .vp-vehicle-detail-map {
   height: 300px;
 }
@@ -1647,6 +1710,8 @@ button.vp-realtime-command-item:focus-visible {
   .vp-bi-publish-board,
   .vp-bi-publish-grid,
   .vp-trajectory-anomaly-grid,
+  .vp-source-fusion-grid,
+  .vp-source-fusion-facts,
   .vp-vehicle-map-layout,
   .vp-playback-layout,
   .vp-playback-timeline {
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 7b2ebe6b..9a618050 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -10100,6 +10100,11 @@ test('filters vehicle list by service status', async () => {
 
 test('switches vehicle detail to a source from the source matrix', async () => {
   window.history.replaceState(null, '', '/#/detail?keyword=VIN001');
+  const writeText = vi.fn(() => Promise.resolve());
+  Object.defineProperty(navigator, 'clipboard', {
+    configurable: true,
+    value: { writeText }
+  });
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
     const path = String(input);
     if (path.includes('/api/vehicle-service')) {
@@ -10194,10 +10199,20 @@ test('switches vehicle detail to a source from the source matrix', async () => {
   expect(screen.getAllByText('GB32960 在线').length).toBeGreaterThanOrEqual(1);
   expect(screen.getAllByText('JT808 在线').length).toBeGreaterThanOrEqual(1);
   expect(screen.getAllByText('YUTONG_MQTT 未接入').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getByText('多源归并矩阵')).toBeInTheDocument();
+  expect(screen.getByText('主实时来源')).toBeInTheDocument();
+  expect(screen.getAllByText('定位证据').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getAllByText('统计口径').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getByText('无实时字段')).toBeInTheDocument();
+  expect(screen.getByText('无 RAW 证据')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '复制归并矩阵' }));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【单车多源归并矩阵】'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('1. GB32960 / 主来源'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('贡献：主实时来源、在线心跳、实时字段、定位证据、轨迹回放、RAW证据、统计口径'));
   expect(screen.getByText('车辆服务角色')).toBeInTheDocument();
-  expect(screen.getByText('主来源')).toBeInTheDocument();
-  expect(screen.getByText('在线证据')).toBeInTheDocument();
-  expect(screen.getByText('暂无来源')).toBeInTheDocument();
+  expect(screen.getAllByText('主来源').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getAllByText('在线证据').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getAllByText('暂无来源').length).toBeGreaterThanOrEqual(1);
   expect(screen.getByText('最新位置')).toBeInTheDocument();
   expect(screen.getAllByText('113.2, 23.1').length).toBeGreaterThan(0);
   expect(screen.getAllByText(/100\s*km/).length).toBeGreaterThan(0);