diff --git a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
index ecc6fa98..2e001791 100644
--- a/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Mileage.tsx
@@ -163,7 +163,7 @@ function mileageSummaryText({
   return [
     '【里程统计摘要】',
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `日期范围：${dateRange}`,
     `统计车辆：${summary.vehicleCount.toLocaleString()}，记录：${summary.recordCount.toLocaleString()}，来源：${summary.sourceCount.toLocaleString()}`,
     `累计里程：${formatKm(summary.totalMileageKm)} km`,
@@ -221,7 +221,7 @@ function mileageDeliveryPackageText({
     '【客户里程复核交付包】',
     `交付状态：${deliveryState}`,
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `日期范围：${dateRange}`,
     `累计里程：${formatKm(summary.totalMileageKm)} km`,
     `当前页明细合计：${formatKm(pageMileageTotal)} km`,
@@ -284,7 +284,7 @@ function mileageCustomerDecisionText({
     '【客户里程决策说明】',
     `决策结论：${deliveryState}`,
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `时间范围：${dateRange}`,
     `区间总里程：${formatKm(summary.totalMileageKm)} km`,
     `当前明细合计：${formatKm(pageMileageTotal)} km`,
@@ -342,7 +342,7 @@ function mileageBIPublishText({
     '【BI里程发布口径】',
     `发布结论：${publishable ? '可发布' : '需复核后发布'}`,
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `日期范围：${dateRange}`,
     `统计口径：日里程按首末总里程差值计算，区间总值等于每日里程之和`,
     `累计里程：${formatKm(summary.totalMileageKm)} km`,
@@ -389,7 +389,7 @@ function statisticsImpactText({
   return [
     '【统计影响范围】',
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `日期范围：${dateRange}`,
     `影响车辆：${summary.vehicleCount.toLocaleString()} 辆`,
     `统计记录：${summary.recordCount.toLocaleString()} 条`,
@@ -449,7 +449,7 @@ function mileagePublishAuditReport({
     '【统计发布审计】',
     `发布结论：${blocked > 0 ? '阻断发布' : review > 0 ? '复核后发布' : '可发布'}`,
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `统计规模：${summary.vehicleCount.toLocaleString()} 车 / ${summary.recordCount.toLocaleString()} 条 / ${summary.sourceCount.toLocaleString()} 来源`,
     `审计结果：通过 ${pass.toLocaleString()} / 复核 ${review.toLocaleString()} / 阻断 ${blocked.toLocaleString()}`,
     '',
@@ -475,7 +475,7 @@ function mileageEvidencePackageText(row: DailyMileageRow) {
   return [
     '【里程异常证据包】',
     `车辆：${vehicle}`,
-    `数据来源：${row.source || '未知来源'}`,
+    `证据来源：${row.source || '未知来源'}`,
     `统计日期：${row.date || '-'}`,
     `起始里程：${formatKm(row.startMileageKm)} km`,
     `结束里程：${formatKm(row.endMileageKm)} km`,
@@ -511,7 +511,7 @@ function onlineStatusHandoffText({
   return [
     '【车辆在线状态交接】',
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `在线概览：${summary.onlineVehicleCount.toLocaleString()} 在线 / ${summary.offlineVehicleCount.toLocaleString()} 离线 / 在线率 ${formatPercent(summary.onlineRatePercent)}`,
     `Redis 在线 Key：${summary.redisOnlineKeys == null ? '-' : summary.redisOnlineKeys.toLocaleString()}`,
     `协议在线：${protocolLines}`,
@@ -555,7 +555,7 @@ function onlineOperationsReportText({
   return [
     '【在线统计运营态势】',
     `车辆范围：${keyword}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `在线概览：${summary.onlineVehicleCount.toLocaleString()} 在线 / ${summary.offlineVehicleCount.toLocaleString()} 离线 / 在线率 ${formatPercent(summary.onlineRatePercent)}`,
     `Redis 在线 Key：${summary.redisOnlineKeys == null ? '-' : summary.redisOnlineKeys.toLocaleString()}`,
     `统计证据：${summary.evidence || '-'}`,
@@ -788,7 +788,7 @@ export function Mileage({
   const maxSourceMileage = Math.max(...sourceSeries.map((item) => item.value), 0);
   const filterSummary = [
     currentVehicleKeyword ? `车辆：${currentVehicleKeyword}` : '',
-    currentProtocol ? `数据来源：${currentProtocol}` : '',
+    currentProtocol ? `证据来源：${currentProtocol}` : '',
     filters.dateFrom?.trim() ? `开始日期：${filters.dateFrom.trim()}` : '',
     filters.dateTo?.trim() ? `结束日期：${filters.dateTo.trim()}` : ''
   ].filter(Boolean);
@@ -1375,7 +1375,7 @@ export function Mileage({
           applyFilters(nextFilters);
         }}>
           <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="数据来源" placeholder="全部来源" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="证据来源" 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 50aae1d7..5e659b83 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -7304,7 +7304,7 @@ test('shows and clears current mileage filters while keeping vehicle scope', asy
 
   expect(await screen.findByText('当前里程筛选')).toBeInTheDocument();
   expect(screen.getByText('车辆：VIN-MILEAGE-002')).toBeInTheDocument();
-  expect(screen.getByText('数据来源：JT808')).toBeInTheDocument();
+  expect(screen.getByText('证据来源：JT808')).toBeInTheDocument();
   expect(screen.getByText('开始日期：2026-07-01')).toBeInTheDocument();
   expect(screen.getByText('结束日期：2026-07-03')).toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: '清空筛选' }));
@@ -7744,7 +7744,7 @@ test('shows mileage anomaly action guidance', async () => {
 
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【里程异常证据包】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆：粤A异常1 / VIN-MILEAGE-ANOMALY'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('数据来源：GB32960'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('证据来源：GB32960'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('统计日期：2026-07-03'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('日里程：-3.2 km'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('异常等级：warning'));
@@ -8019,7 +8019,7 @@ test('shows vehicle-first statistics domains for one vehicle service', async ()
   fireEvent.click(screen.getByRole('button', { name: '复制影响范围' }));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【统计影响范围】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆范围：VIN-STATS-SERVICE'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('数据来源：JT808'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('证据来源：JT808'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('影响车辆：3 辆'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('统计记录：6 条'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('累计里程：210 km'));
@@ -8034,7 +8034,7 @@ test('shows vehicle-first statistics domains for one vehicle service', async ()
   fireEvent.click(screen.getByRole('button', { name: '复制在线态势' }));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【在线统计运营态势】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆范围：VIN-STATS-SERVICE'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('数据来源：JT808'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('证据来源：JT808'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('在线概览：3 在线 / 1 离线 / 在线率 75%'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('Redis 在线 Key：92'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前页车辆：2 / 当前筛选 2'));
@@ -8127,7 +8127,7 @@ test('copies mileage statistics summary for operations reporting', async () => {
 
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【里程统计摘要】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆范围：VIN-MILEAGE-COPY'));
-  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('数据来源：JT808'));
+  expect(writeText).toHaveBeenCalledWith(expect.stringContaining('证据来源：JT808'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('日期范围：2026-07-01 至 2026-07-03'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('累计里程：140 km'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('当前页里程：140 km'));