diff --git a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
index f37213f0..a47b1543 100644
--- a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
@@ -131,7 +131,17 @@ export function Vehicles({
         render: (_: unknown, row: VehicleCoverageRow) => (
           <Space spacing={4} wrap>
             {(row.missingProtocols ?? []).length > 0
-              ? row.missingProtocols.map((protocol) => <Tag key={protocol} color="orange">缺 {protocol}</Tag>)
+              ? row.missingProtocols.map((protocol) => (
+                <Button
+                  key={protocol}
+                  size="small"
+                  theme="light"
+                  type="warning"
+                  onClick={() => applyFilters({ ...filters, missingProtocol: protocol })}
+                >
+                  缺 {protocol}
+                </Button>
+              ))
               : <Tag color="green">完整</Tag>}
           </Space>
         )
@@ -142,7 +152,7 @@ export function Vehicles({
       { title: '绑定', width: 90, render: (_: unknown, row: VehicleCoverageRow) => <Tag color={row.bindingStatus === 'bound' ? 'green' : 'orange'}>{row.bindingStatus === 'bound' ? '已绑定' : '未绑定'}</Tag> },
       { title: '操作', width: 110, render: (_: unknown, row: VehicleCoverageRow) => <Button onClick={() => onOpenVehicle(row.vin)}>车辆服务</Button> }
     ],
-    [onOpenVehicle]
+    [filters, onOpenVehicle]
   );
 
   return (
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 c66025a7..619ad9b7 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -477,6 +477,11 @@ test('filters vehicle list by missing source evidence', async () => {
     expect(screen.getAllByText('缺失来源').length).toBeGreaterThanOrEqual(2);
   });
   expect(screen.getAllByText('缺 YUTONG_MQTT').length).toBeGreaterThanOrEqual(1);
+  fireEvent.click(screen.getByRole('button', { name: '缺 YUTONG_MQTT' }));
+  expect(window.location.hash).toBe('#/vehicles?missingProtocol=YUTONG_MQTT');
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('missingProtocol=YUTONG_MQTT'), undefined);
+  });
   fireEvent.click(screen.getByTestId('missing-protocol-filter'));
   const mqttOptions = await screen.findAllByText('缺 YUTONG_MQTT');
   fireEvent.click(mqttOptions[mqttOptions.length - 1]);