diff --git a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
index 92153d09..7677eeed 100644
--- a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
@@ -154,8 +154,8 @@ const realtimeExportColumns: CsvColumn<VehicleRealtimeRow>[] = [
   { title: '车牌', value: (row) => row.plate },
   { title: '手机号', value: (row) => row.phone },
   { title: 'OEM', value: (row) => row.oem },
-  { title: '主通道', value: (row) => row.primaryProtocol },
-  { title: '数据通道', value: (row) => row.protocols?.join('|') },
+  { title: '主证据来源', value: (row) => row.primaryProtocol },
+  { title: '证据通道', value: (row) => row.protocols?.join('|') },
   { title: '在线', value: (row) => row.online ? '在线' : '离线' },
   { title: '车辆服务状态', value: (row) => vehicleServiceStatus(row).label },
   { title: '通道在线', value: (row) => sourceEvidenceText(row) },
@@ -187,7 +187,7 @@ function realtimeExportFileName(filters: Record<string, string>) {
 function realtimeFilterSummary(filters: Record<string, string>) {
   return [
     filters.keyword ? `关键词：${filters.keyword}` : '',
-    filters.protocol ? `数据通道：${filters.protocol}` : '',
+    filters.protocol ? `证据来源：${filters.protocol}` : '',
     filters.online ? `在线：${onlineLabel[filters.online] ?? filters.online}` : '',
     filters.serviceStatus ? `服务状态：${serviceStatusLabel[filters.serviceStatus] ?? filters.serviceStatus}` : ''
   ].filter(Boolean);
@@ -225,7 +225,7 @@ function realtimeOperationsSummaryText({
     `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
     `车辆总数：${total.toLocaleString()}，当前页：${rows.length.toLocaleString()}`,
     `在线车辆：${onlineCount.toLocaleString()}，定位有效：${locatedCount.toLocaleString()}`,
-    `需要关注：${degradedCount.toLocaleString()}，数据通道：${sourceTypeCount.toLocaleString()}`,
+    `需要关注：${degradedCount.toLocaleString()}，证据通道：${sourceTypeCount.toLocaleString()}`,
     `地图配置：${amapConfigured ? '已配置' : '未配置'}`,
     '重点车辆：',
     issueLines,
@@ -271,7 +271,7 @@ function realtimeIssueAction(row: VehicleRealtimeRow) {
     return `确认${row.primaryProtocol || '实时数据'}是否持续上报，必要时查看告警事件`;
   }
   if (hasSourceIssue(row)) {
-    return '处理离线数据通道，确认车辆实时状态一致';
+    return '处理离线证据通道，确认车辆实时状态一致';
   }
   return issues === '暂无异常' ? '持续观察' : '结合车辆服务详情继续排查';
 }
@@ -367,7 +367,7 @@ function realtimeDutyHandoffText({
     '【实时运营交接包】',
     `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
     `页面车辆：${rows.length.toLocaleString()} / 总计 ${total.toLocaleString()}；版本：${runtimeRelease || '未标记'}`,
-    `在线：${onlineCount.toLocaleString()}；离线：${(rows.length - onlineCount).toLocaleString()}；定位有效：${locatedCount.toLocaleString()}；需要关注：${degradedCount.toLocaleString()}；超时：${staleCount.toLocaleString()}；数据通道：${sourceTypeCount.toLocaleString()}`,
+    `在线：${onlineCount.toLocaleString()}；离线：${(rows.length - onlineCount).toLocaleString()}；定位有效：${locatedCount.toLocaleString()}；需要关注：${degradedCount.toLocaleString()}；超时：${staleCount.toLocaleString()}；证据通道：${sourceTypeCount.toLocaleString()}`,
     `地图：${amapConfigured ? '高德已配置' : '高德未配置'}`,
     `车辆覆盖：${sourceLines.length > 0 ? sourceLines.join('；') : '当前页暂无来源明细'}`,
     `实时入口：${appURL(buildAppHash({ page: 'realtime', protocol: filters.protocol, filters }))}`,
@@ -1028,7 +1028,7 @@ export function Realtime({
             applyFilters(values as Record<string, string>);
           }}>
             <Form.Input field="keyword" label="车辆" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-            <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 160 }}>
+            <Form.Select field="protocol" label="证据来源" placeholder="全部来源" style={{ width: 160 }}>
               <Select.Option value="GB32960">GB32960</Select.Option>
               <Select.Option value="JT808">JT808</Select.Option>
               <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
@@ -1309,7 +1309,7 @@ export function Realtime({
           applyFilters(nextFilters);
         }} style={{ marginBottom: 12 }}>
           <Form.Input field="keyword" label="车辆关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="数据通道" placeholder="全部数据通道" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="证据来源" placeholder="全部证据来源" 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>
@@ -1363,7 +1363,7 @@ export function Realtime({
                 { label: '定位有效', value: locatedCount, color: locatedCount > 0 ? 'blue' as const : 'orange' as const },
                 { label: '需要关注', value: degradedCount, color: degradedCount > 0 ? 'orange' as const : 'green' as const, action: () => applyFilters({ ...filters, serviceStatus: 'degraded' }) },
                 { label: '更新超时', value: staleCount, color: staleCount > 0 ? 'red' as const : 'green' as const },
-                { label: '数据通道', value: primaryProtocols.size, color: 'blue' as const }
+                { label: '证据通道', value: primaryProtocols.size, color: 'blue' as const }
               ].map((item) => (
                 item.action ? (
                   <button
@@ -1412,7 +1412,7 @@ export function Realtime({
                 key={item.protocol}
                 type="button"
                 className="vp-source-coverage-item"
-                aria-label={`筛选数据通道 ${item.protocol}`}
+                aria-label={`筛选证据来源 ${item.protocol}`}
                 onClick={() => applyFilters({ ...filters, protocol: item.protocol })}
               >
                 <div className="vp-source-coverage-item-head">
@@ -1458,7 +1458,7 @@ export function Realtime({
               { label: '定位有效', value: locatedCount.toLocaleString(), color: 'green' as const },
               { label: '超时车辆', value: staleCount.toLocaleString(), color: staleCount > 0 ? 'orange' as const : 'green' as const },
               { label: '需要关注', value: degradedCount.toLocaleString(), color: degradedCount > 0 ? 'orange' as const : 'green' as const },
-              { label: '数据通道', value: primaryProtocols.size.toLocaleString(), color: 'blue' as const }
+              { label: '证据通道', value: primaryProtocols.size.toLocaleString(), color: 'blue' as const }
             ].map((item) => (
               <div key={item.label} className="vp-monitor-metric">
                 <Tag color={item.color}>{item.label}</Tag>
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 5e659b83..f9e57b02 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -9447,9 +9447,9 @@ test('copies realtime operations summary from realtime page', async () => {
   expect(screen.getByText('建议处置')).toBeInTheDocument();
   expect(screen.getByText('查看需关注车辆 2')).toBeInTheDocument();
   expect(screen.getByText('车辆覆盖概览')).toBeInTheDocument();
-  expect(screen.getByRole('button', { name: '筛选数据通道 GB32960' })).toHaveTextContent('GB32960');
-  expect(screen.getByRole('button', { name: '筛选数据通道 JT808' })).toHaveTextContent('2 辆');
-  expect(screen.getByRole('button', { name: '筛选数据通道 YUTONG_MQTT' })).toHaveTextContent('超时 1');
+  expect(screen.getByRole('button', { name: '筛选证据来源 GB32960' })).toHaveTextContent('GB32960');
+  expect(screen.getByRole('button', { name: '筛选证据来源 JT808' })).toHaveTextContent('2 辆');
+  expect(screen.getByRole('button', { name: '筛选证据来源 YUTONG_MQTT' })).toHaveTextContent('超时 1');
   expect(screen.getByText('实时覆盖判读')).toBeInTheDocument();
   expect(screen.getByText('在线率')).toBeInTheDocument();
   expect(screen.getAllByText('66.7%').length).toBeGreaterThanOrEqual(3);
@@ -9460,17 +9460,17 @@ test('copies realtime operations summary from realtime page', async () => {
   fireEvent.click(screen.getByRole('button', { name: '复制实时摘要' }));
 
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【实时监控摘要】'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前筛选：数据通道：JT808；在线：在线'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前筛选：证据来源：JT808；在线：在线'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆总数：3，当前页：3'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('在线车辆：2，定位有效：2'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('需要关注：2，数据通道：3'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('需要关注：2，证据通道：3'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('地图配置：已配置'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('重点车辆：'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('粤A摘要3 / YUTONG_MQTT / 车辆离线'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('实时页面：http://localhost:3000/#/realtime?protocol=JT808&online=online'));
   fireEvent.click(screen.getByRole('button', { name: '复制实时异常处置清单' }));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【实时异常处置清单】'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前筛选：数据通道：JT808；在线：在线'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前筛选：证据来源：JT808；在线：在线'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('异常车辆：3 / 当前页 3 / 总计 3'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('粤A摘要3 / VIN-RT-SUMMARY-003 / JT808'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('状态：车辆离线；在线：离线；问题：'));
@@ -9491,7 +9491,7 @@ test('copies realtime operations summary from realtime page', async () => {
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('原始记录：http://localhost:3000/api/history/raw-frames?protocol=JT808&vin=VIN-RT-SUMMARY-003&limit=20&includeFields=true'));
   fireEvent.click(screen.getByRole('button', { name: '实时筛选 需要关注 2' }));
   expect(window.location.hash).toBe('#/realtime?protocol=JT808&serviceStatus=degraded&online=online');
-  fireEvent.click(screen.getByRole('button', { name: '筛选数据通道 GB32960' }));
+  fireEvent.click(screen.getByRole('button', { name: '筛选证据来源 GB32960' }));
   expect(window.location.hash).toBe('#/realtime?protocol=GB32960&serviceStatus=degraded&online=online');
 });
 
@@ -10274,7 +10274,7 @@ test('shows and clears current realtime service filters', async () => {
 
   expect(await screen.findByText('当前实时筛选')).toBeInTheDocument();
   expect(screen.getByText('关键词：粤ART002')).toBeInTheDocument();
-  expect(screen.getByText('数据通道：JT808')).toBeInTheDocument();
+  expect(screen.getByText('证据来源：JT808')).toBeInTheDocument();
   expect(screen.getByText('在线：在线')).toBeInTheDocument();
   expect(screen.getByText('服务状态：来源不完整')).toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: '清空筛选' }));
@@ -10313,7 +10313,7 @@ test('updates realtime hash when source filters are submitted', async () => {
 
   await screen.findByRole('heading', { name: '实时监控' });
   fireEvent.change(screen.getByPlaceholderText('VIN / 车牌 / 手机号 / OEM'), { target: { value: '粤ART002' } });
-  fireEvent.click(screen.getByText('全部数据通道'));
+  fireEvent.click(screen.getByText('全部证据来源'));
   fireEvent.click(await screen.findByText('JT808'));
   fireEvent.click(screen.getByRole('button', { name: '查询' }));