diff --git a/vehicle-data-platform/apps/web/src/pages/History.tsx b/vehicle-data-platform/apps/web/src/pages/History.tsx
index 2564f250..e4506e92 100644
--- a/vehicle-data-platform/apps/web/src/pages/History.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/History.tsx
@@ -212,7 +212,7 @@ function mergeInitialFilters(initialVin: string, initialProtocol?: string, initi
 const locationExportColumns: CsvColumn<HistoryLocationRow>[] = [
   { title: 'VIN', value: (row) => row.vin },
   { title: '车牌', value: (row) => row.plate },
-  { title: '数据来源', value: (row) => row.protocol },
+  { title: '证据来源', value: (row) => row.protocol },
   { title: '经度', value: (row) => row.longitude },
   { title: '纬度', value: (row) => row.latitude },
   { title: '速度km/h', value: (row) => row.speedKmh },
@@ -225,7 +225,7 @@ const rawExportColumns: CsvColumn<RawFrameRow>[] = [
   { title: 'ID', value: (row) => row.id },
   { title: 'VIN', value: (row) => row.vin },
   { title: '车牌', value: (row) => row.plate },
-  { title: '数据来源', value: (row) => row.protocol },
+  { title: '证据来源', value: (row) => row.protocol },
   { title: '帧类型', value: (row) => row.frameType },
   { title: '大小B', value: (row) => row.rawSizeBytes },
   { title: '设备时间', value: (row) => row.deviceTime },
@@ -237,7 +237,7 @@ const rawFieldExportColumns: CsvColumn<RawFieldRow>[] = [
   { title: '原始记录ID', value: (row) => row.rawId },
   { title: 'VIN', value: (row) => row.vin },
   { title: '车牌', value: (row) => row.plate },
-  { title: '数据来源', value: (row) => row.protocol },
+  { title: '证据来源', value: (row) => row.protocol },
   { title: '帧类型', value: (row) => row.frameType },
   { title: '字段', value: (row) => row.fieldPath },
   { title: '值', value: (row) => formatFieldValue(row.fieldValue) },
@@ -302,7 +302,7 @@ function trajectorySummaryText({
   return [
     '【轨迹回放摘要】',
     `车辆：${vehicle}`,
-    `数据来源：${protocol}`,
+    `证据来源：${protocol}`,
     `查询范围：${range}`,
     `轨迹点：${totalPoints.toLocaleString()}，有效定位：${validPointCount.toLocaleString()}`,
     `区间里程：${formatNumber(mileageDelta, ' km')}`,
@@ -349,7 +349,7 @@ function historyEvidencePackageText({
   return [
     '【数据复核包】',
     `车辆：${vehicle || '全部车辆'}`,
-    `数据来源：${protocol || '全部来源'}`,
+    `证据来源：${protocol || '全部来源'}`,
     `查询范围：${filters.dateFrom?.trim() || '-'} 至 ${filters.dateTo?.trim() || '-'}`,
     `位置记录：${locationCount.toLocaleString()}，有效定位：${validPointCount.toLocaleString()}`,
     `原始记录：${rawCount.toLocaleString()}，字段明细：${fieldCount.toLocaleString()}`,
@@ -400,7 +400,7 @@ function deliveryPackageText({
     `交付状态：${deliveryState}`,
     '交付物：位置历史 / 轨迹回放 / 里程复核 / RAW证据 / 字段明细 / 质量提示',
     `车辆范围：${vehicle || '全部车辆'}`,
-    `数据来源：${protocol || '全部来源'}`,
+    `证据来源：${protocol || '全部来源'}`,
     `时间范围：${filters.dateFrom?.trim() || '-'} 至 ${filters.dateTo?.trim() || '-'}`,
     `位置历史：${locationCount.toLocaleString()} 条，有效定位 ${validPointCount.toLocaleString()}，覆盖率 ${formatPercent(coverageRate)}`,
     `原始证据：${rawCount.toLocaleString()} 帧`,
@@ -465,7 +465,7 @@ function trajectoryReviewPackageText({
   return [
     '【轨迹复盘交接包】',
     `车辆：${vehicle || '全部车辆'}`,
-    `数据来源：${protocol || '全部来源'}`,
+    `证据来源：${protocol || '全部来源'}`,
     `查询范围：${filters.dateFrom?.trim() || '-'} 至 ${filters.dateTo?.trim() || '-'}`,
     `轨迹规模：位置 ${locationCount.toLocaleString()} / 有效定位 ${validPointCount.toLocaleString()} / 原始记录 ${rawCount.toLocaleString()} / 字段明细 ${fieldCount.toLocaleString()}`,
     `轨迹质量：定位覆盖率 ${formatPercent(coverageRate)} / 回放跨度 ${formatDurationMinutes(playbackSpanMinutes)} / 采样间隔 ${formatDurationMinutes(playbackIntervalMinutes, '/点')}`,
@@ -526,7 +526,7 @@ function trajectoryImpactPackageText({
   return [
     '【轨迹运营影响】',
     `车辆：${vehicle || '全部车辆'}`,
-    `数据来源：${protocol || '全部来源'}`,
+    `证据来源：${protocol || '全部来源'}`,
     `查询范围：${filters.dateFrom?.trim() || '-'} 至 ${filters.dateTo?.trim() || '-'}`,
     `业务状态：${operationState}`,
     `轨迹范围：位置 ${locationCount.toLocaleString()} / 有效定位 ${validPointCount.toLocaleString()} / 原始记录 ${rawCount.toLocaleString()} / 字段明细 ${fieldCount.toLocaleString()}`,
@@ -590,7 +590,7 @@ function trajectoryCustomerDecisionText({
     `决策结论：${decision}`,
     `交付状态：${deliveryState}`,
     `车辆范围：${vehicle || '全部车辆'}`,
-    `数据来源：${protocol || '全部来源'}`,
+    `证据来源：${protocol || '全部来源'}`,
     `时间范围：${filters.dateFrom?.trim() || '-'} 至 ${filters.dateTo?.trim() || '-'}`,
     `轨迹规模：位置 ${locationCount.toLocaleString()} / 有效定位 ${validPointCount.toLocaleString()} / 原始记录 ${rawCount.toLocaleString()} / 字段明细 ${fieldCount.toLocaleString()}`,
     `定位覆盖：${formatPercent(coverageRate)}`,
@@ -826,7 +826,7 @@ export function History({
   const pageTitle = mode === 'query' ? '数据导出' : '轨迹回放';
   const pageDescription = mode === 'query'
     ? '按车辆、时间和数据通道导出位置记录、原始记录和字段明细，支持分页、字段裁剪和 CSV 导出'
-    : '按车辆查询历史位置和轨迹回放，原始记录只作为复核证据，数据来源仅用于过滤';
+    : '按车辆查询历史位置和轨迹回放，原始记录只作为复核证据，证据来源仅用于过滤';
   const scopeDescription = mode === 'query'
     ? '位置记录、原始记录和字段明细按当前车辆与时间范围分页查询。'
     : '历史位置和原始记录按当前车辆与时间范围查询。';
@@ -848,7 +848,7 @@ export function History({
   }));
   const filterSummary = [
     currentVehicleKeyword ? `车辆：${currentVehicleKeyword}` : '',
-    currentProtocol ? `数据来源：${currentProtocol}` : '',
+    currentProtocol ? `证据来源：${currentProtocol}` : '',
     filters.dateFrom?.trim() ? `开始时间：${filters.dateFrom.trim()}` : '',
     filters.dateTo?.trim() ? `结束时间：${filters.dateTo.trim()}` : '',
     isIncludeFieldsEnabled(filters.includeFields) ? '返回字段明细' : '',
@@ -1462,7 +1462,7 @@ export function History({
       <Card bordered>
         <Form key={JSON.stringify(filters)} initValues={filters} layout="horizontal" onSubmit={(values) => submit(values)}>
           <Form.Input field="keyword" label="车辆关键词" placeholder="VIN / 车牌 / 手机号" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 190 }}>
+          <Form.Select field="protocol" label="证据来源" 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>
@@ -1858,7 +1858,7 @@ export function History({
               }}
               columns={[
                 { title: 'VIN', dataIndex: 'vin', width: 190 },
-                { title: '数据来源', dataIndex: 'protocol', width: 120 },
+                { title: '证据来源', 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 },
@@ -1905,7 +1905,7 @@ export function History({
                 { title: 'ID', dataIndex: 'id', width: 260 },
                 { title: 'VIN', dataIndex: 'vin', width: 190 },
                 { title: '车牌', dataIndex: 'plate', width: 120 },
-                { title: '数据来源', dataIndex: 'protocol', width: 120 },
+                { title: '证据来源', 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 },
@@ -1949,7 +1949,7 @@ export function History({
                 },
                 { title: 'VIN', dataIndex: 'vin', width: 190 },
                 { title: '车牌', dataIndex: 'plate', width: 120 },
-                { title: '数据来源', dataIndex: 'protocol', width: 120 },
+                { title: '证据来源', dataIndex: 'protocol', width: 120 },
                 { title: '帧类型', dataIndex: 'frameType', width: 190 },
                 { title: '设备时间', dataIndex: 'deviceTime', width: 190 },
                 { title: '原始记录ID', dataIndex: 'rawId', width: 260 },
diff --git a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
index 8a668f84..b5379ea0 100644
--- a/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Vehicles.tsx
@@ -77,7 +77,7 @@ const serviceStatusLabel: Record<string, string> = {
   healthy: '服务正常',
   degraded: '来源不完整',
   offline: '车辆离线',
-  no_data: '暂无数据来源',
+  no_data: '暂无来源证据',
   identity_required: '身份未绑定'
 };
 
@@ -149,7 +149,7 @@ type VehicleActionQueueItem = {
 function vehicleFilterSummary(filters: Record<string, string>) {
   return [
     filters.keyword ? `关键词：${filters.keyword}` : '',
-    filters.protocol ? `数据来源：${filters.protocol}` : '',
+    filters.protocol ? `证据来源：${filters.protocol}` : '',
     filters.coverage ? `车辆覆盖：${coverageLabel[filters.coverage] ?? filters.coverage}` : '',
     filters.missingProtocol ? `缺失来源：${filters.missingProtocol}` : '',
     filters.serviceStatus ? `服务状态：${serviceStatusLabel[filters.serviceStatus] ?? filters.serviceStatus}` : '',
@@ -920,7 +920,7 @@ export function Vehicles({
           applyFilters(nextFilters);
         }}>
           <Form.Input field="keyword" label="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>
@@ -938,7 +938,7 @@ export function Vehicles({
             <Select.Option value="healthy">服务正常</Select.Option>
             <Select.Option value="degraded">来源不完整</Select.Option>
             <Select.Option value="offline">车辆离线</Select.Option>
-            <Select.Option value="no_data">暂无数据来源</Select.Option>
+            <Select.Option value="no_data">暂无来源证据</Select.Option>
             <Select.Option value="identity_required">身份未绑定</Select.Option>
           </Form.Select>
           <Form.Select field="online" label="在线" placeholder="全部" style={{ width: 130 }}>
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 c34571c2..50aae1d7 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -2471,7 +2471,7 @@ test('shows and clears current vehicle service filters', async () => {
 
   expect(await screen.findByText('当前车辆筛选')).toBeInTheDocument();
   expect(screen.getByText('关键词：粤A')).toBeInTheDocument();
-  expect(screen.getByText('数据来源：JT808')).toBeInTheDocument();
+  expect(screen.getByText('证据来源：JT808')).toBeInTheDocument();
   expect(screen.getByText('车辆覆盖：多源')).toBeInTheDocument();
   expect(screen.getByText('缺失来源：YUTONG_MQTT')).toBeInTheDocument();
   expect(screen.getByText('服务状态：来源不完整')).toBeInTheDocument();
@@ -5417,7 +5417,7 @@ test('copies trajectory playback summary from history page', async () => {
 
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【轨迹回放摘要】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆：VIN-HISTORY-SUMMARY'));
-  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('查询范围：2026-07-03 至 2026-07-04'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('轨迹点：2，有效定位：2'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('区间里程：22.6 km'));
@@ -5443,7 +5443,7 @@ test('copies trajectory playback summary from history page', async () => {
 
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('【轨迹运营影响】'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('车辆：VIN-HISTORY-SUMMARY'));
-  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('业务状态：需要复核'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('轨迹范围：位置 2 / 有效定位 2 / 原始记录 1 / 字段明细 2'));
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('定位覆盖率：100%'));
@@ -6352,7 +6352,7 @@ test('shows and clears current history filters while keeping vehicle scope', asy
 
   expect(await screen.findByText('当前历史筛选')).toBeInTheDocument();
   expect(screen.getByText('车辆：VIN-HISTORY-001')).toBeInTheDocument();
-  expect(screen.getByText('数据来源：JT808')).toBeInTheDocument();
+  expect(screen.getByText('证据来源：JT808')).toBeInTheDocument();
   expect(screen.getByText('开始时间：2026-07-01 00:00:00')).toBeInTheDocument();
   expect(screen.getByText('结束时间：2026-07-01 23:59:59')).toBeInTheDocument();
   expect(screen.getAllByText('返回字段明细').length).toBeGreaterThanOrEqual(2);