diff --git a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
index 70ead08b..730481fe 100644
--- a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
@@ -54,6 +54,7 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
     if (values?.coverage) params.set('coverage', values.coverage);
     if (values?.online) params.set('online', values.online);
     if (values?.bindingStatus) params.set('bindingStatus', values.bindingStatus);
+    if (values?.serviceStatus) params.set('serviceStatus', values.serviceStatus);
     api.vehicleCoverage(params)
       .then((page) => setCoverage(page.items))
       .catch((error: Error) => Toast.error(error.message))
@@ -193,6 +194,12 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
               <Select.Option value="bound">已绑定</Select.Option>
               <Select.Option value="unbound">未绑定</Select.Option>
             </Form.Select>
+            <Form.Select field="serviceStatus" label="服务状态" placeholder="全部" style={{ width: 150 }} data-testid="dashboard-service-status-filter">
+              <Select.Option value="healthy">服务正常</Select.Option>
+              <Select.Option value="degraded">部分来源离线</Select.Option>
+              <Select.Option value="offline">车辆离线</Select.Option>
+              <Select.Option value="identity_required">身份未绑定</Select.Option>
+            </Form.Select>
             <Space>
               <Button htmlType="submit" theme="solid" type="primary">筛选</Button>
               <Button onClick={() => loadCoverage()}>重置</Button>
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 6a7bbe8f..c3ff78a7 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -172,6 +172,51 @@ test('shows row service status in dashboard vehicle previews', async () => {
   expect(screen.getByText('实时车辆离线')).toBeInTheDocument();
 });
 
+test('filters dashboard coverage by service status', async () => {
+  window.history.replaceState(null, '', '/#/dashboard');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/dashboard/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            onlineVehicles: 3,
+            activeToday: 4,
+            frameToday: 1286320,
+            issueVehicles: 7,
+            kafkaLag: 0,
+            protocols: [],
+            serviceStatuses: [],
+            linkHealth: []
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 8, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('车辆服务覆盖')).toBeInTheDocument();
+  fireEvent.click(screen.getByTestId('dashboard-service-status-filter'));
+  fireEvent.click(await screen.findByText('部分来源离线'));
+  fireEvent.click(screen.getByRole('button', { name: '筛选' }));
+
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('serviceStatus=degraded'), undefined);
+  });
+});
+
 test('opens vehicle detail from shareable hash', async () => {
   window.history.replaceState(null, '', '/#/detail?keyword=%E7%B2%A4AG18312');
   vi.spyOn(globalThis, 'fetch').mockResolvedValue({