diff --git a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
index 52259c13..4d43c3da 100644
--- a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
@@ -33,13 +33,26 @@ function sourceEvidenceText(row: VehicleCoverageRow) {
   return `${row.onlineSourceCount}/${row.sourceCount} 来源在线`;
 }
 
-function sourceConsistencyTag(row: VehicleCoverageRow) {
+function sourceConsistencyAction(row: VehicleCoverageRow, onFilter: (filters: Record<string, string>) => void) {
   const consistency = row.sourceConsistency;
   if (!consistency) {
     return <Tag color="grey">未诊断</Tag>;
   }
   const color = consistency.severity === 'ok' ? 'green' as const : consistency.severity === 'error' ? 'red' as const : 'orange' as const;
-  return <Tag color={color}>{consistency.title || consistency.status}</Tag>;
+  const label = consistency.title || consistency.status;
+  if ((consistency.missingProtocols ?? []).length > 0) {
+    return (
+      <Button
+        size="small"
+        theme="light"
+        type={color === 'red' ? 'danger' : color === 'orange' ? 'warning' : 'primary'}
+        onClick={() => onFilter({ serviceStatus: 'degraded', missingProtocol: consistency.missingProtocols[0] })}
+      >
+        {label}
+      </Button>
+    );
+  }
+  return <Tag color={color}>{label}</Tag>;
 }
 
 async function copyVehicleShareURL() {
@@ -166,7 +179,7 @@ export function Vehicles({
       {
         title: '来源一致性',
         width: 140,
-        render: (_: unknown, row: VehicleCoverageRow) => sourceConsistencyTag(row)
+        render: (_: unknown, row: VehicleCoverageRow) => sourceConsistencyAction(row, (nextFilters) => applyFilters({ ...filters, ...nextFilters }))
       },
       { title: '证据覆盖', width: 120, render: (_: unknown, row: VehicleCoverageRow) => sourceEvidenceText(row) },
       { title: '在线', width: 90, render: (_: unknown, row: VehicleCoverageRow) => <StatusTag status={row.online ? 'ok' : 'offline'} /> },
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 6aab28d0..02abe51c 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -2841,6 +2841,177 @@ test('shows source consistency diagnosis in vehicle service list', async () => {
   expect(screen.getByText('来源不完整')).toBeInTheDocument();
 });
 
+test('filters vehicle list from source consistency diagnosis', async () => {
+  window.history.replaceState(null, '', '/#/vehicles');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/vehicles/coverage/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            totalVehicles: 1,
+            onlineVehicles: 1,
+            singleSourceVehicles: 0,
+            multiSourceVehicles: 1,
+            noDataVehicles: 0,
+            unboundVehicles: 0,
+            missingSources: [{ protocol: 'YUTONG_MQTT', count: 1 }]
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/coverage')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: 'VIN-CONSISTENCY-ACTION',
+              plate: '粤A动作',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808'],
+              missingProtocols: ['YUTONG_MQTT'],
+              sourceCount: 2,
+              onlineSourceCount: 2,
+              online: true,
+              lastSeen: '2026-07-03 20:12:10',
+              bindingStatus: 'bound',
+              sourceConsistency: {
+                sourceCount: 2,
+                onlineSourceCount: 2,
+                locatedSourceCount: 0,
+                missingProtocols: ['YUTONG_MQTT'],
+                mileageDeltaKm: 0,
+                sourceTimeDeltaSeconds: 0,
+                scope: 'coverage',
+                status: 'degraded',
+                severity: 'warning',
+                title: '来源不完整',
+                detail: '2/2 个来源在线，车辆服务可用但缺少 YUTONG_MQTT 来源。'
+              }
+            }],
+            total: 1,
+            limit: 20,
+            offset: 0
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: path.includes('/api/ops/health')
+          ? { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } }
+          : { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('VIN-CONSISTENCY-ACTION')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '来源不完整' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/vehicles?serviceStatus=degraded&missingProtocol=YUTONG_MQTT');
+  });
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('serviceStatus=degraded'), undefined);
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('missingProtocol=YUTONG_MQTT'), undefined);
+});
+
+test('filters vehicle list from single-source consistency diagnosis', async () => {
+  window.history.replaceState(null, '', '/#/vehicles');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/vehicles/coverage/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            totalVehicles: 1,
+            onlineVehicles: 1,
+            singleSourceVehicles: 1,
+            multiSourceVehicles: 0,
+            noDataVehicles: 0,
+            unboundVehicles: 0,
+            missingSources: [{ protocol: 'JT808', count: 1 }]
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/coverage')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: 'VIN-SINGLE-SOURCE',
+              plate: '粤A单源',
+              phone: '',
+              oem: '',
+              protocols: ['GB32960'],
+              missingProtocols: ['JT808', 'YUTONG_MQTT'],
+              sourceCount: 1,
+              onlineSourceCount: 1,
+              online: true,
+              lastSeen: '2026-07-04 07:15:28',
+              bindingStatus: 'bound',
+              sourceConsistency: {
+                sourceCount: 1,
+                onlineSourceCount: 1,
+                locatedSourceCount: 0,
+                missingProtocols: ['JT808', 'YUTONG_MQTT'],
+                mileageDeltaKm: 0,
+                sourceTimeDeltaSeconds: 0,
+                scope: 'coverage',
+                status: 'single_source',
+                severity: 'warning',
+                title: '单一来源',
+                detail: '当前车辆只有一个数据来源，无法做跨来源一致性校验。'
+              }
+            }],
+            total: 1,
+            limit: 20,
+            offset: 0
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: path.includes('/api/ops/health')
+          ? { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } }
+          : { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('VIN-SINGLE-SOURCE')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '单一来源' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/vehicles?serviceStatus=degraded&missingProtocol=JT808');
+  });
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('missingProtocol=JT808'), undefined);
+});
+
 test('opens vehicle service from source-filtered vehicle list with source evidence', async () => {
   window.history.replaceState(null, '', '/#/vehicles?protocol=JT808');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {