diff --git a/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.test.tsx b/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.test.tsx
index d5711957..1fd5c52b 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.test.tsx
@@ -10,11 +10,13 @@ const mocks = vi.hoisted(() => ({
   accessSummary: vi.fn(), accessVehicles: vi.fn(), accessUnresolvedIdentities: vi.fn(),
   accessThresholds: vi.fn(), updateAccessThresholds: vi.fn()
 }));
+const auth = vi.hoisted(() => ({ role: 'admin' }));
 vi.mock('../../api/client', () => ({ api: mocks }));
-vi.mock('../auth/AuthGate', () => ({ usePlatformSession: () => ({ session: { role: 'admin' } }) }));
+vi.mock('../auth/AuthGate', () => ({ usePlatformSession: () => ({ session: { role: auth.role } }) }));
 
 afterEach(() => {
   cleanup();
+  auth.role = 'admin';
   Object.values(mocks).forEach((mock) => mock.mockReset());
 });
 
@@ -76,3 +78,20 @@ test('reports and independently retries unresolved identity and threshold failur
   expect(mocks.accessUnresolvedIdentities).toHaveBeenCalledTimes(2);
   expect(mocks.accessThresholds).toHaveBeenCalledTimes(2);
 });
+
+test('does not request or render admin-only thresholds for a read-only session', async () => {
+  auth.role = 'viewer';
+  prepareBaseData();
+  mocks.accessVehicles.mockResolvedValue({ items: [accessRow('VIN001', '粤A00001')], total: 1, limit: 50, offset: 0 });
+  const client = new QueryClient({ defaultOptions: { queries: { retry: false } } });
+  render(<QueryClientProvider client={client}><MemoryRouter future={ROUTER_FUTURE} initialEntries={['/access']}><AccessPage /></MemoryRouter></QueryClientProvider>);
+
+  expect(await screen.findByText('粤A00001')).toBeInTheDocument();
+  expect(mocks.accessThresholds).not.toHaveBeenCalled();
+  expect(screen.queryByText(/在线判定阈值/)).not.toBeInTheDocument();
+
+  fireEvent.click(screen.getByRole('button', { name: /刷新/ }));
+  await waitFor(() => expect(mocks.accessSummary).toHaveBeenCalledTimes(2));
+  expect(mocks.accessThresholds).not.toHaveBeenCalled();
+  expect(screen.queryByRole('alert')).not.toBeInTheDocument();
+});
diff --git a/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.tsx b/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.tsx
index 769189eb..b928afa4 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/AccessPage.tsx
@@ -104,7 +104,7 @@ export default function AccessPage() {
   const summaryQuery = useQuery({ queryKey: ['access-summary'], queryFn: ({ signal }) => api.accessSummary({}, signal), staleTime: 15_000, gcTime: QUERY_MEMORY.summaryGcTime });
   const vehiclesQuery = useQuery<Page<AccessVehicleRow>>({ queryKey: ['access-vehicles', vehicleScope, limit, offset], queryFn: ({ signal }) => api.accessVehicles({ ...baseQuery, limit, offset }, signal), placeholderData: retainPreviousPageWithinScope<Page<AccessVehicleRow>>(vehicleScope), gcTime: QUERY_MEMORY.highVolumeGcTime });
   const unresolvedQuery = useQuery({ queryKey: ['access-unresolved-identities', criteria.keyword, criteria.protocol], queryFn: ({ signal }) => api.accessUnresolvedIdentities({ keyword: criteria.keyword || undefined, protocol: criteria.protocol || undefined, limit: 20, offset: 0 }, signal), staleTime: 15_000, gcTime: QUERY_MEMORY.summaryGcTime });
-  const thresholdQuery = useQuery({ queryKey: ['access-thresholds'], queryFn: ({ signal }) => api.accessThresholds(signal), staleTime: 60_000, gcTime: QUERY_MEMORY.summaryGcTime });
+  const thresholdQuery = useQuery({ queryKey: ['access-thresholds'], queryFn: ({ signal }) => api.accessThresholds(signal), enabled: editable, staleTime: 60_000, gcTime: QUERY_MEMORY.summaryGcTime });
   useEffect(() => { if (thresholdQuery.data && !thresholdDraft) setThresholdDraft({ version: thresholdQuery.data.version, defaultThresholdSec: thresholdQuery.data.defaultThresholdSec, delayThresholdSec: thresholdQuery.data.delayThresholdSec, longOfflineSec: thresholdQuery.data.longOfflineSec, protocols: thresholdQuery.data.protocols }); }, [thresholdDraft, thresholdQuery.data]);
   const updateThreshold = useMutation({ mutationFn: api.updateAccessThresholds, onSuccess: async (config) => { setThresholdDraft({ version: config.version, defaultThresholdSec: config.defaultThresholdSec, delayThresholdSec: config.delayThresholdSec, longOfflineSec: config.longOfflineSec, protocols: config.protocols }); await Promise.all([queryClient.invalidateQueries({ queryKey: ['access-summary'] }), queryClient.invalidateQueries({ queryKey: ['access-vehicles'] })]); } });
   const rows = vehiclesQuery.data?.items ?? []; const selected = rows.find((row) => row.vin === selectedVIN);
@@ -112,7 +112,7 @@ export default function AccessPage() {
   const apply = (next: Filters) => { setDraft(next); setCriteria(next); setOffset(0); setSelectedVIN(''); syncURL(next); };
   const submit = (event: FormEvent) => { event.preventDefault(); apply(draft); };
   const page = Math.floor(offset / limit) + 1; const totalPages = Math.max(1, Math.ceil((vehiclesQuery.data?.total ?? 0) / limit)); const summary = summaryQuery.data;
-  const refresh = () => Promise.all([summaryQuery.refetch(), vehiclesQuery.refetch(), unresolvedQuery.refetch(), thresholdQuery.refetch()]);
+  const refresh = () => Promise.all([summaryQuery.refetch(), vehiclesQuery.refetch(), unresolvedQuery.refetch(), ...(editable ? [thresholdQuery.refetch()] : [])]);
 
   return <div className="v2-access-page v2-access-page-v3">
     <header className="v2-access-heading"><div><h2>车辆接入管理</h2><p>以主车辆为对象，对照应接协议、实际接入和各协议最新上报时间</p></div><div><span>数据时间 {summary?.asOf ? formatAccessTime(summary.asOf) : '—'}</span><button type="button" onClick={() => void refresh()}><IconRefresh />刷新</button></div></header>
@@ -125,7 +125,7 @@ export default function AccessPage() {
     <div className={`v2-access-workspace-v3 ${selected ? 'is-inspector-open' : ''}`}><section className="v2-access-table-v3"><header><div className="v2-access-table-title"><strong>车辆协议接入差异</strong><span>优先展示应接与实接差异；时间为各协议最后接收时间</span></div><div className="v2-access-table-actions"><ProtocolCoverage summary={summary} /><button type="button" onClick={() => downloadRows(rows)} disabled={!rows.length}><IconDownload />导出当前页</button></div></header><div className="v2-access-table-scroll-v3"><table><thead><tr><th>车辆</th><th>品牌 / 车型</th><th>应接协议</th>{PROTOCOLS.map((item) => <th key={item}>{item}</th>)}<th>综合状态</th></tr></thead><tbody>{rows.map((row) => <tr key={row.vin} data-testid={`access-row-${row.vin}`} tabIndex={0} className={selected?.vin === row.vin ? 'is-selected' : ''} onClick={() => setSelectedVIN(row.vin)} onKeyDown={(event) => { if (event.key === 'Enter' || event.key === ' ') setSelectedVIN(row.vin); }}><td><strong>{row.plate || '未绑定车牌'}</strong><span>{row.vin}</span></td><td><strong>{row.oem || '品牌未维护'}</strong><span>{row.model || row.company || '车型未维护'}</span></td><td><b>{row.expectedProtocols.length} 项</b><span>{row.expectedProtocols.join(' / ')}</span></td>{PROTOCOLS.map((protocol) => <td key={protocol}><ProtocolState status={statusByProtocol(row, protocol)} /></td>)}<td><ConnectionState row={row} /></td></tr>)}</tbody></table>{vehiclesQuery.isFetching ? <div className="v2-access-loading"><i />正在更新车辆接入状态…</div> : null}{!vehiclesQuery.isFetching && !rows.length ? <div className="v2-access-empty">当前筛选条件没有车辆</div> : null}</div><footer><span>第 {page} / {totalPages} 页，共 {(vehiclesQuery.data?.total ?? 0).toLocaleString('zh-CN')} 辆主车辆</span><div><button type="button" disabled={page <= 1} onClick={() => setOffset(Math.max(0, offset - limit))}>上一页</button><button type="button" disabled={page >= totalPages} onClick={() => setOffset(offset + limit)}>下一页</button><select aria-label="每页数量" value={limit} onChange={(event) => { setLimit(Number(event.target.value)); setOffset(0); }}><option value="20">20 辆/页</option><option value="50">50 辆/页</option><option value="100">100 辆/页</option></select></div></footer></section>{selected ? <VehicleInspector row={selected} onClose={() => setSelectedVIN('')} /> : null}</div>
     {unresolvedQuery.isError ? <InlineError message={unresolvedQuery.error instanceof Error ? unresolvedQuery.error.message : '待绑定身份读取失败'} onRetry={() => unresolvedQuery.refetch()} /> : null}
     <IdentityQueue items={unresolvedQuery.data?.items ?? []} total={unresolvedQuery.data?.total ?? 0} />
-    {thresholdQuery.isError ? <InlineError message={thresholdQuery.error instanceof Error ? thresholdQuery.error.message : '接入阈值读取失败'} onRetry={() => thresholdQuery.refetch()} /> : null}
-    <ThresholdSettings config={thresholdQuery.data} draft={thresholdDraft} editable={editable} saving={updateThreshold.isPending} error={updateThreshold.error instanceof Error ? updateThreshold.error.message : undefined} onChange={setThresholdDraft} onSave={() => thresholdDraft && updateThreshold.mutate(thresholdDraft)} />
+    {editable && thresholdQuery.isError ? <InlineError message={thresholdQuery.error instanceof Error ? thresholdQuery.error.message : '接入阈值读取失败'} onRetry={() => thresholdQuery.refetch()} /> : null}
+    {editable ? <ThresholdSettings config={thresholdQuery.data} draft={thresholdDraft} editable saving={updateThreshold.isPending} error={updateThreshold.error instanceof Error ? updateThreshold.error.message : undefined} onChange={setThresholdDraft} onSave={() => thresholdDraft && updateThreshold.mutate(thresholdDraft)} /> : null}
   </div>;
 }