diff --git a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
index efc5190a..25c18639 100644
--- a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
+++ b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
@@ -16,12 +16,12 @@ export type PageKey = 'dashboard' | 'vehicles' | 'realtime' | 'detail' | 'histor
 
 const navItems = [
   { itemKey: 'dashboard', text: '总览工作台', icon: <IconHome /> },
-  { itemKey: 'vehicles', text: '车辆台账', icon: <IconServer /> },
-  { itemKey: 'realtime', text: '实时状态', icon: <IconActivity /> },
+  { itemKey: 'vehicles', text: '车辆服务', icon: <IconServer /> },
+  { itemKey: 'realtime', text: '实时车辆', icon: <IconActivity /> },
   { itemKey: 'detail', text: '车辆详情', icon: <IconSetting /> },
-  { itemKey: 'history', text: '历史查询', icon: <IconMapPin /> },
-  { itemKey: 'mileage', text: '里程分析', icon: <IconBarChartHStroked /> },
-  { itemKey: 'quality', text: '数据质量', icon: <IconHistogram /> }
+  { itemKey: 'history', text: '历史数据', icon: <IconMapPin /> },
+  { itemKey: 'mileage', text: '里程统计', icon: <IconBarChartHStroked /> },
+  { itemKey: 'quality', text: '质量治理', icon: <IconHistogram /> }
 ];
 
 function linkHealthClassName(count: number | null) {
@@ -61,7 +61,7 @@ export function AppShell({
         <aside className="vp-sidebar">
           <div className="vp-brand">
             <span className="vp-brand-mark" />
-            <span>车辆数据中台</span>
+            <span>车辆服务中台</span>
           </div>
           <Nav
             selectedKeys={[activePage]}
@@ -85,6 +85,7 @@ export function AppShell({
             </Space>
             <Space spacing={12}>
               <Tag color="blue">生产环境</Tag>
+              <Tag color="grey">多源接入 / 一个车辆服务</Tag>
               <Button size="small" className={linkHealthClassName(linkIssueCount)} onClick={() => onChange('quality')}>
                 {linkIssueCount == null ? '链路监控' : linkIssueCount > 0 ? `链路 ${linkIssueCount} 项关注` : '链路正常'}
               </Button>
diff --git a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
index c0018b20..e4aa3e40 100644
--- a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
@@ -62,7 +62,7 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
 
   return (
     <div className="vp-page">
-      <PageHeader title="总览工作台" description="车辆在线、协议分布、数据质量和链路健康的统一入口" />
+      <PageHeader title="总览工作台" description="以车辆服务为中心汇总在线状态、数据来源覆盖、质量问题和链路健康" />
       <Spin spinning={loading}>
         <div className="vp-kpi-grid">
           {kpis.map((item) => (
@@ -74,12 +74,12 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
         </div>
         <Row gutter={16}>
           <Col span={14}>
-            <Card title="协议在线分布" bordered>
+            <Card title="数据来源在线分布" bordered>
               <Table
                 pagination={false}
                 dataSource={summary?.protocols ?? []}
                 columns={[
-                  { title: '协议', dataIndex: 'protocol' },
+                  { title: '数据来源', dataIndex: 'protocol' },
                   { title: '在线', dataIndex: 'online' },
                   { title: '总数', dataIndex: 'total' },
                   {
diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index f1ff2d11..575c541c 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -101,11 +101,11 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
 
   return (
     <div className="vp-page">
-      <PageHeader title="历史查询" description="按车辆查询位置历史和 RAW 帧历史，协议作为来源过滤和诊断维度" />
+      <PageHeader title="历史数据" description="按车辆查询位置历史和 RAW 帧历史，数据来源只作为过滤和诊断维度" />
       <Card bordered>
         <Form key={`${filters.vin ?? ''}-${filters.protocol ?? ''}-${filters.includeFields ? 'fields' : 'light'}`} initValues={filters} layout="horizontal" onSubmit={(values) => submit(values)}>
           <Form.Input field="vin" label="VIN" placeholder="输入 VIN" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="协议" placeholder="全部协议" style={{ width: 190 }}>
+          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 190 }}>
             <Select.Option value="GB32960">GB32960</Select.Option>
             <Select.Option value="JT808">JT808</Select.Option>
             <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
@@ -145,7 +145,7 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
               }}
               columns={[
                 { title: 'VIN', dataIndex: 'vin', width: 190 },
-                { title: '协议', dataIndex: 'protocol', width: 120 },
+                { title: '数据来源', dataIndex: 'protocol', width: 120 },
                 { title: '经度', dataIndex: 'longitude', width: 120 },
                 { title: '纬度', dataIndex: 'latitude', width: 120 },
                 { title: '速度 km/h', dataIndex: 'speedKmh', width: 120 },
@@ -179,7 +179,7 @@ export function History({ initialVin, onOpenVehicle }: { initialVin: string; onO
                 { title: 'ID', dataIndex: 'id', width: 260 },
                 { title: 'VIN', dataIndex: 'vin', width: 190 },
                 { title: '车牌', dataIndex: 'plate', width: 120 },
-                { title: '协议', dataIndex: 'protocol', width: 120 },
+                { title: '数据来源', dataIndex: 'protocol', width: 120 },
                 { title: '帧类型', dataIndex: 'frameType', width: 190 },
                 { title: '大小 B', dataIndex: 'rawSizeBytes', width: 100 },
                 { title: '设备时间', dataIndex: 'deviceTime', width: 190 },
diff --git a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
index fec1440e..1f7a1552 100644
--- a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
@@ -68,7 +68,7 @@ export function Mileage({ initialVin, onOpenVehicle }: { initialVin: string; onO
 
   return (
     <div className="vp-page">
-      <PageHeader title="里程分析" description="每日里程、区间里程和异常差值分析" />
+      <PageHeader title="里程统计" description="按车辆汇总每日里程、区间里程和异常差值分析" />
       <Card bordered>
         <Form key={filters.vin ?? ''} initValues={filters} layout="horizontal" onSubmit={(values) => {
           const nextFilters = values as Record<string, string>;
@@ -77,7 +77,7 @@ export function Mileage({ initialVin, onOpenVehicle }: { initialVin: string; onO
           load(nextFilters, 1, pagination.pageSize);
         }}>
           <Form.Input field="vin" label="关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="协议" placeholder="全部协议" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 180 }}>
             <Select.Option value="GB32960">GB32960</Select.Option>
             <Select.Option value="JT808">JT808</Select.Option>
             <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
diff --git a/vehicle-data-platform/apps/web/src/pages/Quality.tsx b/vehicle-data-platform/apps/web/src/pages/Quality.tsx
index 5800f436..31540892 100644
--- a/vehicle-data-platform/apps/web/src/pages/Quality.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Quality.tsx
@@ -111,7 +111,7 @@ export function Quality({
 
   return (
     <div className="vp-page">
-      <PageHeader title="数据质量" description="断链、VIN 缺失、字段缺失和链路健康的排查入口" />
+      <PageHeader title="质量治理" description="围绕车辆服务排查断链、VIN 缺失、字段缺失和链路健康" />
       <div className="vp-kpi-grid">
         {[
           { label: '问题车辆', value: summary.issueVehicleCount.toLocaleString() },
@@ -145,7 +145,7 @@ export function Quality({
           loadIssues(nextFilters, 1, pagination.pageSize);
         }} style={{ marginBottom: 12 }}>
           <Form.Input field="keyword" label="关键词" placeholder="手机号 / 来源地址 / 车牌" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="协议" placeholder="全部协议" style={{ width: 160 }}>
+          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 160 }}>
             <Select.Option value="JT808">JT808</Select.Option>
           </Form.Select>
           <Space>
@@ -174,7 +174,7 @@ export function Quality({
             { title: '车牌', dataIndex: 'plate' },
             { title: '手机号', dataIndex: 'phone' },
             { title: '来源地址', dataIndex: 'sourceEndpoint' },
-            { title: '协议', dataIndex: 'protocol' },
+            { title: '数据来源', dataIndex: 'protocol' },
             { title: '问题', dataIndex: 'issueType' },
             { title: '级别', render: (_: unknown, row: QualityIssueRow) => <Tag color={row.severity === 'error' ? 'red' : 'orange'}>{row.severity}</Tag> },
             { title: '最后时间', dataIndex: 'lastSeen' },
diff --git a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
index cb094238..00bf5a97 100644
--- a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
@@ -38,7 +38,7 @@ export function Realtime({ onOpenVehicle }: { onOpenVehicle: (vin: string) => vo
 
   return (
     <div className="vp-page">
-      <PageHeader title="实时状态" description="以车辆为主对象查看最新位置、在线来源和核心实时数据" />
+      <PageHeader title="实时车辆" description="以车辆为主对象查看最新位置、在线来源和核心实时数据" />
       <Card bordered>
         <Form layout="horizontal" onSubmit={(values) => {
           const nextFilters = values as Record<string, string>;
@@ -46,7 +46,7 @@ export function Realtime({ onOpenVehicle }: { onOpenVehicle: (vin: string) => vo
           load(nextFilters, 1, pagination.pageSize);
         }} style={{ marginBottom: 12 }}>
           <Form.Input field="vin" label="关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="协议" placeholder="全部协议" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 180 }}>
             <Select.Option value="GB32960">GB32960</Select.Option>
             <Select.Option value="JT808">JT808</Select.Option>
             <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
diff --git a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
index 897cd49f..4c51ed61 100644
--- a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
@@ -57,7 +57,7 @@ export function Vehicles({ onOpenVehicle }: { onOpenVehicle: (vin: string) => vo
 
   return (
     <div className="vp-page">
-      <PageHeader title="车辆台账" description="以 VIN 为主对象维护车辆身份、多源覆盖、在线状态和绑定状态" />
+      <PageHeader title="车辆服务" description="以 VIN 为主对象维护车辆身份、数据来源覆盖、在线状态和绑定状态" />
       <Card bordered>
         <Form layout="horizontal" onSubmit={(values) => {
           const nextFilters = values as Record<string, string>;
@@ -65,7 +65,7 @@ export function Vehicles({ onOpenVehicle }: { onOpenVehicle: (vin: string) => vo
           load(nextFilters, 1, pagination.pageSize);
         }}>
           <Form.Input field="keyword" label="关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="协议" placeholder="全部协议" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 180 }}>
             <Select.Option value="GB32960">GB32960</Select.Option>
             <Select.Option value="JT808">JT808</Select.Option>
             <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
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 ab2b2db5..f94e1688 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -4,6 +4,6 @@ import App from '../App';
 
 test('renders vehicle platform shell', () => {
   render(<App />);
-  expect(screen.getByText('车辆数据中台')).toBeInTheDocument();
+  expect(screen.getByText('车辆服务中台')).toBeInTheDocument();
   expect(screen.getAllByText('总览工作台').length).toBeGreaterThanOrEqual(1);
 });