diff --git a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
index ee800af3..718cc5bd 100644
--- a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
+++ b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
@@ -20,29 +20,36 @@ export type PageKey = 'dashboard' | 'vehicles' | 'map' | 'realtime' | 'detail' |
 
 const navGroups = [
   {
-    title: '车辆服务',
+    title: '车辆监控',
     audience: '客户',
-    description: '以车辆为对象监控在线、位置和服务状态',
+    description: '实时看车在哪里、是否在线、是否异常',
     items: [
-      { itemKey: 'dashboard', text: '车辆工作台', icon: <IconHome /> },
-      { itemKey: 'vehicles', text: '车辆中心', icon: <IconServer /> },
+      { itemKey: 'dashboard', text: '运营总览', icon: <IconHome /> },
       { itemKey: 'map', text: '实时地图', icon: <IconMapPin /> },
-      { itemKey: 'realtime', text: '实时监控', icon: <IconActivity /> },
+      { itemKey: 'realtime', text: '实时监控', icon: <IconActivity /> }
+    ]
+  },
+  {
+    title: '车辆资产',
+    audience: '客户',
+    description: '按 VIN、车牌、手机号管理车辆资产',
+    items: [
+      { itemKey: 'vehicles', text: '车辆中心', icon: <IconServer /> },
       { itemKey: 'detail', text: '车辆档案', icon: <IconSetting /> }
     ]
   },
   {
-    title: '数据交付',
+    title: '轨迹与统计',
     audience: '客户',
-    description: '轨迹、里程、历史数据和客户导出',
+    description: '按时间窗回放轨迹、核对里程、导出数据',
     items: [
       { itemKey: 'history', text: '轨迹回放', icon: <IconMapPin /> },
       { itemKey: 'mileage', text: '里程统计', icon: <IconBarChartHStroked /> },
-      { itemKey: 'history-query', text: '数据导出', icon: <IconHistogram /> }
+      { itemKey: 'history-query', text: '历史查询/导出', icon: <IconHistogram /> }
     ]
   },
   {
-    title: '告警闭环',
+    title: '告警通知',
     audience: '客户',
     description: '断链、离线、定位异常和通知升级',
     items: [
@@ -51,7 +58,7 @@ const navGroups = [
     ]
   },
   {
-    title: '平台运维',
+    title: '内部运维',
     audience: '内部',
     description: '客户主流程外查看接入链路和运行质量',
     items: [
diff --git a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
index 6a2560ca..0255173e 100644
--- a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
@@ -421,7 +421,7 @@ export function Dashboard({
       title: '数据导出',
       value: `${formatCount(summary?.frameToday)} 今日数据`,
       detail: '按车辆、时间和字段裁剪查询历史位置与原始记录。',
-      action: '查询导出',
+      action: '历史查询/导出',
       onClick: () => onOpenHistory({ tab: 'raw', includeFields: 'true' })
     }
   ];
@@ -1340,7 +1340,7 @@ export function Dashboard({
                 <Button theme="solid" type="primary" onClick={() => onOpenMap({ online: 'online' })}>打开实时地图</Button>
                 <Button theme="light" type="primary" onClick={() => onOpenHistory()}>轨迹回放</Button>
                 <Button theme="light" type="primary" onClick={() => onOpenMileage({})}>里程统计</Button>
-                <Button theme="light" type="primary" onClick={openTimeMonitorRaw}>历史导出</Button>
+                <Button theme="light" type="primary" onClick={openTimeMonitorRaw}>历史查询/导出</Button>
                 <Button theme="light" onClick={copyCustomerServiceGuide}>复制客户说明</Button>
               </Space>
             </div>
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 e4e62cdc..0b5cdb7b 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -22,16 +22,18 @@ test('renders vehicle platform shell', () => {
   render(<App />);
   expect(screen.getByText('车辆服务中台')).toBeInTheDocument();
   expect(screen.getByText('地图监控 / 轨迹回放 / 告警通知')).toBeInTheDocument();
-  expect(screen.getAllByText('车辆服务').length).toBeGreaterThanOrEqual(1);
-  expect(screen.getByText('以车辆为对象监控在线、位置和服务状态')).toBeInTheDocument();
-  expect(screen.getAllByText('数据交付').length).toBeGreaterThanOrEqual(1);
-  expect(screen.getByText('轨迹、里程、历史数据和客户导出')).toBeInTheDocument();
-  expect(screen.getByText('告警闭环')).toBeInTheDocument();
-  expect(screen.getByText('平台运维')).toBeInTheDocument();
+  expect(screen.getByText('车辆监控')).toBeInTheDocument();
+  expect(screen.getByText('实时看车在哪里、是否在线、是否异常')).toBeInTheDocument();
+  expect(screen.getByText('车辆资产')).toBeInTheDocument();
+  expect(screen.getByText('按 VIN、车牌、手机号管理车辆资产')).toBeInTheDocument();
+  expect(screen.getByText('轨迹与统计')).toBeInTheDocument();
+  expect(screen.getByText('按时间窗回放轨迹、核对里程、导出数据')).toBeInTheDocument();
+  expect(screen.getAllByText('告警通知').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getByText('内部运维')).toBeInTheDocument();
   expect(screen.getAllByText('客户').length).toBeGreaterThanOrEqual(3);
   expect(screen.getByText('内部')).toBeInTheDocument();
   expect(screen.getByText('客户主流程外查看接入链路和运行质量')).toBeInTheDocument();
-  expect(screen.getAllByText('车辆工作台').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getAllByText('运营总览').length).toBeGreaterThanOrEqual(1);
 });
 
 test('exposes AMap operations shortcuts when map key is configured', async () => {
@@ -6278,6 +6280,10 @@ test('shows vehicle context when opening detail from sidebar navigation', async
 
   render(<App />);
 
+  fireEvent.change(screen.getByPlaceholderText('搜索 VIN / 车牌 / 手机号'), { target: { value: 'LB9A32A24R0LS1426' } });
+  fireEvent.click(screen.getByRole('button', { name: '查询车辆' }));
+  expect(await screen.findByText('粤AGQ8398 / LB9A32A24R0LS1426')).toBeInTheDocument();
+
   fireEvent.click(screen.getAllByText('车辆档案')[0]);
 
   expect(await screen.findByText('粤AGQ8398 / LB9A32A24R0LS1426')).toBeInTheDocument();