diff --git a/src/api/ops/report.ts b/src/api/ops/report.ts
index e82f748..9d7a546 100644
--- a/src/api/ops/report.ts
+++ b/src/api/ops/report.ts
@@ -1,5 +1,5 @@
-import { request } from "@/api/request"
-import SafeStorage, { AppStorageKey } from "@/utils/safeStorage"
+import { request } from '@/api/request'
+import SafeStorage, { AppStorageKey } from '@/utils/safeStorage'
 
 // ============ 通用响应类型 ============
 
@@ -43,6 +43,8 @@ export interface ReportRecord {
   file_path?: string
   file_size?: number
   file_mime?: string
+  started_at?: string
+  finished_at?: string
   created_at: string
   updated_at: string
 }
@@ -64,6 +66,13 @@ export interface PageResult<T> {
   data: T[]
 }
 
+export type ReportExportFormat = 'csv' | 'xlsx' | 'pdf'
+
+export interface DownloadedReport {
+  blob: Blob
+  fileName: string
+}
+
 // ============ 报表生成参数接口 ============
 
 export interface TrafficReportParams {
@@ -127,9 +136,7 @@ export interface NetworkDeviceReportParams {
 
 export interface StatisticsReportParams {
   data_source: 'dc-host' | 'dc-network' | 'dc-database' | 'dc-middleware'
-  /** 与 metric_name 二选一；网络等指标优先用 metric_id */
-  metric_id?: string
-  metric_name?: string
+  metric_id: string
   target_identities: string[]
   start_time: string
   end_time: string
@@ -152,16 +159,13 @@ export interface HistoryReportParams {
 
 export interface TopNReportParams {
   data_source: 'dc-host' | 'dc-network' | 'dc-database' | 'dc-middleware' | 'alert'
-  metric_id?: string
-  metric_name?: string
+  metric_id: string
   target_identities: string[]
   start_time: string
   end_time: string
   n?: number
   rank_aggregate?: 'avg' | 'max' | 'min' | 'last'
   order?: 'desc' | 'asc'
-  metric_type?: 'cpu' | 'disk' | 'io' | 'memory' | 'network'
-  collector_identity?: string
 }
 
 /** 证据导出事件行 */
@@ -230,7 +234,8 @@ export const fetchReportMetricsAvailable = (params: {
   identities?: string
   keyword?: string
   limit?: number
-}) => request.get<ApiResponse<{ data_source: string; items: any[]; registry: any[] }>>('/DC-Control/v1/reports/metrics/available', { params })
+}) =>
+  request.get<ApiResponse<{ data_source: string; items: any[]; registry: any[] }>>('/DC-Control/v1/reports/metrics/available', { params })
 
 /** 逻辑指标目录（Registry） */
 export const fetchReportMetricsRegistry = (params: { data_source: string }) =>
@@ -239,8 +244,8 @@ export const fetchReportMetricsRegistry = (params: { data_source: string }) =>
 /** 查看报表内容 */
 export const fetchReportContent = (id: number) => request.get<ApiResponse<Record<string, any>>>(`/DC-Control/v1/reports/${id}/content`)
 
-/** 原始 ArrayBuffer → 下载用 Blob；xlsx 校验 ZIP 魔数 PK */
-function exportBufferToBlob(ab: ArrayBuffer, format: 'csv' | 'xlsx', contentType: string | null): Blob {
+/** 原始 ArrayBuffer → 下载用 Blob；xlsx 校验 ZIP 魔数 PK，PDF 校验 %PDF- */
+function exportBufferToBlob(ab: ArrayBuffer, format: ReportExportFormat, contentType: string | null): Blob {
   const u8 = new Uint8Array(ab)
   if (format === 'xlsx') {
     const okZip = u8.length >= 4 && u8[0] === 0x50 && u8[1] === 0x4b
@@ -265,16 +270,62 @@ function exportBufferToBlob(ab: ArrayBuffer, format: 'csv' | 'xlsx', contentType
         : 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
     return new Blob([ab], { type: mime })
   }
-  const mime =
-    contentType && /csv|text|plain/i.test(contentType) ? contentType : 'text/csv;charset=utf-8'
+  if (format === 'pdf') {
+    const okPdf = u8.length >= 5 && u8[0] === 0x25 && u8[1] === 0x50 && u8[2] === 0x44 && u8[3] === 0x46 && u8[4] === 0x2d
+    if (!okPdf) {
+      throw new Error('导出失败：服务器返回的不是有效的 PDF。')
+    }
+    const mime = contentType && /pdf/i.test(contentType) ? contentType : 'application/pdf'
+    return new Blob([ab], { type: mime })
+  }
+  const mime = contentType && /csv|text|plain/i.test(contentType) ? contentType : 'text/csv;charset=utf-8'
   return new Blob([ab], { type: mime })
 }
 
+function parseContentDispositionFileName(value: string | null): string | undefined {
+  if (!value) return undefined
+
+  const utf8FileName = value.match(/filename\*=UTF-8''([^;]+)/i)
+  if (utf8FileName) {
+    try {
+      return decodeURIComponent(utf8FileName[1])
+    } catch {
+      // 编码异常时继续读取普通文件名
+    }
+  }
+
+  return value.match(/filename="([^"]+)"/i)?.[1]
+}
+
+function normalizeReportFileName(fileName: string | undefined, id: number, format: ReportExportFormat): string {
+  const defaultName = `report_${id}.${format}`
+  if (!fileName) return defaultName
+
+  let name = fileName.split(/[\\/]/).pop() || ''
+  name = name
+    .replace(/[\u0000-\u001F\u007F-\u009F\u061C\u200E\u200F\u202A-\u202E\u2066-\u2069]/g, '')
+    .replace(/[<>:"/\\|?*]/g, '_')
+    .replace(/[ .]+$/, '')
+
+  const extensionIndex = name.lastIndexOf('.')
+  if (extensionIndex > 0) {
+    name = name.slice(0, extensionIndex).replace(/[ .]+$/, '')
+  }
+  if (!name) return defaultName
+
+  const reservedName = /^(con|prn|aux|nul|com[1-9¹²³]|lpt[1-9¹²³])$/i
+  if (reservedName.test(name.split('.')[0])) {
+    name = `_${name}`
+  }
+
+  return `${name}.${format}`
+}
+
 /**
  * 报表文件导出：使用 fetch + arrayBuffer，绕过 axios 拦截器与 Blob 中间态，
  * 避免网络面板里已是合法 xlsx（PK…）但落盘文件损坏的情况。
  */
-export const exportReport = async (id: number, format: 'csv' | 'xlsx' = 'csv'): Promise<Blob> => {
+export const exportReport = async (id: number, format: ReportExportFormat = 'csv'): Promise<DownloadedReport> => {
   const base = String(import.meta.env.VITE_API_BASE_URL || '').replace(/\/$/, '')
   const url = `${base}/DC-Control/v1/reports/${id}/export?format=${encodeURIComponent(format)}`
   const token = SafeStorage.get(AppStorageKey.TOKEN)
@@ -296,7 +347,10 @@ export const exportReport = async (id: number, format: 'csv' | 'xlsx' = 'csv'):
     }
     throw new Error(msg)
   }
-  return exportBufferToBlob(ab, format, r.headers.get('content-type'))
+  return {
+    blob: exportBufferToBlob(ab, format, r.headers.get('content-type')),
+    fileName: normalizeReportFileName(parseContentDispositionFileName(r.headers.get('content-disposition')), id, format),
+  }
 }
 
 // ============ 监测指标类接口（旧版兼容） ============
diff --git a/src/views/ops/pages/report/device/index.vue b/src/views/ops/pages/report/device/index.vue
index e7c1f6c..130c0e2 100644
--- a/src/views/ops/pages/report/device/index.vue
+++ b/src/views/ops/pages/report/device/index.vue
@@ -53,6 +53,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -70,6 +71,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -211,12 +213,13 @@ import {
   fetchReportList,
   generateReport,
   fetchReportContent,
-  exportReport,
   ReportType,
   type ReportRecord,
   type NetworkDeviceReportParams,
 } from '@/api/ops/report'
 import * as echarts from 'echarts'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
 import { useReportNetworkDevicePickOptions } from '../useReportNetworkDevicePickOptions'
 
@@ -560,7 +563,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -575,18 +578,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
diff --git a/src/views/ops/pages/report/fault/index.vue b/src/views/ops/pages/report/fault/index.vue
index 25200fb..e1d2539 100644
--- a/src/views/ops/pages/report/fault/index.vue
+++ b/src/views/ops/pages/report/fault/index.vue
@@ -57,6 +57,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -74,6 +75,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -235,13 +237,14 @@ import {
   fetchReportList,
   generateReport,
   fetchReportContent,
-  exportReport,
   exportEvidenceReport,
   ReportType,
   type ReportRecord,
   type FaultReportParams,
 } from '@/api/ops/report'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { useFaultReportServiceIdentityOptions } from '../useReportTargetIdentityOptions'
 
 const {
@@ -619,7 +622,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -634,18 +637,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
diff --git a/src/views/ops/pages/report/history/index.vue b/src/views/ops/pages/report/history/index.vue
index 19b7552..cae1831 100644
--- a/src/views/ops/pages/report/history/index.vue
+++ b/src/views/ops/pages/report/history/index.vue
@@ -1,38 +1,353 @@
 <template>
-  <div class="wrap">
-    <a-result
-      status="info"
-      title="历史报表入口已下线"
-      sub-title="多指标、多目标时序请使用「统计报告」：output_mode=timeseries，并按接口文档配置 interval 与 bucket_aggregation。旧类型记录仍可在各报表列表中按 report_type 筛选查看（若库中有数据）。"
+  <div class="container">
+    <search-table
+      :form-model="formModel"
+      :form-items="formItems"
+      :data="tableData"
+      :columns="tableColumns"
+      :loading="loading"
+      :pagination="pagination"
+      :title="pageTitle"
+      @update:form-model="handleFormModelUpdate"
+      @search="handleSearch"
+      @reset="handleReset"
+      @refresh="handleRefresh"
+      @page-change="handlePageChange"
+      @page-size-change="handlePageSizeChange"
     >
-      <template #extra>
-        <a-space>
-          <a-button type="primary" @click="goStatistics">前往统计报告</a-button>
-          <a-button @click="goTopn">前往 TopN</a-button>
-        </a-space>
+      <template #form-items>
+        <a-col :span="8">
+          <a-form-item label="创建时间" :label-col-props="{ span: 6 }" :wrapper-col-props="{ span: 18 }">
+            <a-range-picker
+              v-model="formModel.timeRange"
+              show-time
+              format="YYYY-MM-DD HH:mm:ss"
+              value-format="YYYY-MM-DD HH:mm:ss"
+              style="width: 100%"
+            />
+          </a-form-item>
+        </a-col>
       </template>
-    </a-result>
+
+      <template #reportType="{ record }">
+        {{ reportTypeLabel[record.report_type] || record.report_type || '—' }}
+      </template>
+
+      <template #status="{ record }">
+        <a-tag :color="reportStatusColor(record.status)">
+          {{ reportStatusLabel[record.status] || record.status || '—' }}
+        </a-tag>
+      </template>
+
+      <template #failureReason="{ record }">
+        {{ record.error_message || '—' }}
+      </template>
+
+      <template #operations="{ record }">
+        <a-button
+          v-if="canDownloadPDF(record)"
+          type="text"
+          size="small"
+          :loading="downloadingIds.has(record.id)"
+          @click="handleDownloadPDF(record)"
+        >
+          下载 PDF
+        </a-button>
+        <span v-else-if="record.status === 'failed'" class="operation-note">生成失败</span>
+        <span v-else-if="record.status === 'pending' || record.status === 'running'" class="operation-note">生成中</span>
+        <span v-else class="operation-note">无 PDF</span>
+      </template>
+    </search-table>
   </div>
 </template>
 
 <script lang="ts" setup>
-import { useRouter } from 'vue-router'
+import { computed, onBeforeUnmount, reactive, ref } from 'vue'
+import { Message } from '@arco-design/web-vue'
+import SearchTable from '@/components/search-table/index.vue'
+import type { FormItem } from '@/components/search-form/types'
+import { fetchReportList, ReportStatus, ReportType, type ReportListParams, type ReportRecord } from '@/api/ops/report'
+import { downloadReportFile } from '../useReportExport'
+import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
 
-const router = useRouter()
+const pageTitle = '历史报告'
 
-const goStatistics = () => {
-  router.push('/report/statistics')
+const reportTypeLabel: Record<string, string> = {
+  topn: 'TopN报表',
+  statistics: '统计报告',
+  traffic: '流量统计报告',
+  fault: '故障报告',
+  server: '服务器报告',
+  network_device: '网络设备报告',
+  evidence: '证据导出',
 }
 
-const goTopn = () => {
-  router.push('/report/topn')
+const pdfReportTypes = new Set([
+  ReportType.TOPN,
+  ReportType.STATISTICS,
+  ReportType.TRAFFIC,
+  ReportType.FAULT,
+  ReportType.SERVER,
+  ReportType.NETWORK_DEVICE,
+])
+
+const formModel = ref<{
+  report_type: ReportType | ''
+  status: ReportStatus | ''
+  keyword: string
+  timeRange?: string[]
+}>({
+  report_type: '',
+  status: '',
+  keyword: '',
+  timeRange: [],
+})
+
+const formItems = computed<FormItem[]>(() => [
+  {
+    field: 'report_type',
+    label: '报表类型',
+    type: 'select',
+    span: 8,
+    placeholder: '请选择',
+    options: [
+      { value: '', label: '全部' },
+      { value: ReportType.TOPN, label: reportTypeLabel.topn },
+      { value: ReportType.STATISTICS, label: reportTypeLabel.statistics },
+      { value: ReportType.TRAFFIC, label: reportTypeLabel.traffic },
+      { value: ReportType.FAULT, label: reportTypeLabel.fault },
+      { value: ReportType.SERVER, label: reportTypeLabel.server },
+      { value: ReportType.NETWORK_DEVICE, label: reportTypeLabel.network_device },
+    ],
+  },
+  {
+    field: 'status',
+    label: '状态',
+    type: 'select',
+    span: 8,
+    placeholder: '请选择',
+    options: [
+      { value: '', label: '全部' },
+      { value: ReportStatus.PENDING, label: reportStatusLabel.pending },
+      { value: ReportStatus.RUNNING, label: reportStatusLabel.running },
+      { value: ReportStatus.SUCCESS, label: reportStatusLabel.success },
+      { value: ReportStatus.FAILED, label: reportStatusLabel.failed },
+    ],
+  },
+  {
+    field: 'keyword',
+    label: '标题',
+    type: 'input',
+    span: 8,
+    placeholder: '请输入标题关键字',
+  },
+])
+
+const loading = ref(false)
+const downloadingIds = reactive(new Set<number>())
+const tableData = ref<ReportRecord[]>([])
+let latestRequestId = 0
+
+onBeforeUnmount(() => {
+  latestRequestId += 1
+})
+
+const pagination = reactive({
+  current: 1,
+  pageSize: 20,
+  total: 0,
+  showTotal: true,
+  showJumper: true,
+  showPageSize: true,
+})
+
+const tableColumns = computed(() => [
+  {
+    title: '报告编号',
+    dataIndex: 'id',
+    width: 100,
+  },
+  {
+    title: '标题',
+    dataIndex: 'title',
+    width: 220,
+  },
+  {
+    title: '报表类型',
+    dataIndex: 'report_type',
+    width: 150,
+    slotName: 'reportType',
+  },
+  {
+    title: '状态',
+    dataIndex: 'status',
+    width: 100,
+    slotName: 'status',
+  },
+  {
+    title: '创建时间',
+    dataIndex: 'created_at',
+    width: 180,
+  },
+  {
+    title: '完成时间',
+    dataIndex: 'finished_at',
+    width: 180,
+  },
+  {
+    title: '失败原因',
+    dataIndex: 'error_message',
+    width: 220,
+    slotName: 'failureReason',
+  },
+  {
+    title: '操作',
+    dataIndex: 'operations',
+    width: 120,
+    slotName: 'operations',
+    fixed: 'right' as const,
+  },
+])
+
+const canDownloadPDF = (record: ReportRecord) =>
+  record.status === ReportStatus.SUCCESS && pdfReportTypes.has(record.report_type as ReportType)
+
+const fetchList = async (): Promise<boolean> => {
+  const requestId = ++latestRequestId
+  loading.value = true
+
+  const reportType = formModel.value.report_type
+  const status = formModel.value.status
+  const keyword = formModel.value.keyword.trim()
+  const timeRange = formModel.value.timeRange
+  const page = pagination.current
+  const size = pagination.pageSize
+  const params: ReportListParams = {
+    page,
+    size,
+  }
+
+  if (reportType) {
+    params.report_type = reportType
+  }
+  if (status) {
+    params.status = status
+  }
+  if (keyword) {
+    params.keyword = keyword
+  }
+  if (timeRange?.length === 2 && timeRange[0] && timeRange[1]) {
+    params.created_from = timeRange[0]
+    params.created_to = timeRange[1]
+  }
+
+  try {
+    while (true) {
+      const res = await fetchReportList(params)
+      if (requestId !== latestRequestId) return false
+
+      if (res.code !== 0 || !res.details) {
+        tableData.value = []
+        pagination.total = 0
+        Message.error(res.message || '获取报表列表失败')
+        return false
+      }
+
+      const total = res.details.total || 0
+      const maximumPage = Math.max(1, Math.ceil(total / size))
+      if ((params.page || 1) > maximumPage) {
+        pagination.current = maximumPage
+        params.page = maximumPage
+        continue
+      }
+
+      tableData.value = normalizeReportRows(res.details.data || [])
+      pagination.total = total
+      return true
+    }
+  } catch (error: any) {
+    if (requestId !== latestRequestId) return false
+
+    tableData.value = []
+    pagination.total = 0
+    console.error('获取报表列表失败:', error)
+    Message.error(error.message || '获取报表列表失败')
+    return false
+  } finally {
+    if (requestId === latestRequestId) {
+      loading.value = false
+    }
+  }
+}
+
+const handleFormModelUpdate = (value: Record<string, any>) => {
+  formModel.value = {
+    ...formModel.value,
+    ...value,
+  }
+}
+
+const handleSearch = () => {
+  pagination.current = 1
+  fetchList()
+}
+
+const handleReset = () => {
+  formModel.value = {
+    report_type: '',
+    status: '',
+    keyword: '',
+    timeRange: [],
+  }
+  pagination.current = 1
+  fetchList()
+}
+
+const handleRefresh = async () => {
+  if (await fetchList()) {
+    Message.success('数据已刷新')
+  }
+}
+
+const handlePageChange = (current: number) => {
+  pagination.current = current
+  fetchList()
+}
+
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.pageSize = pageSize
+  pagination.current = 1
+  fetchList()
+}
+
+const handleDownloadPDF = async (record: ReportRecord) => {
+  downloadingIds.add(record.id)
+  try {
+    await downloadReportFile(record, 'pdf')
+    Message.success('PDF 下载成功')
+  } catch (error: any) {
+    console.error('PDF 下载失败:', error)
+    Message.error(error.message || 'PDF 下载失败')
+  } finally {
+    downloadingIds.delete(record.id)
+  }
+}
+
+fetchList()
+</script>
+
+<script lang="ts">
+export default {
+  name: 'ReportHistory',
 }
 </script>
 
 <style scoped lang="less">
-.wrap {
-  padding: 48px 24px;
-  max-width: 720px;
-  margin: 0 auto;
+.container {
+  padding: 20px;
+
+  .operation-note {
+    color: var(--color-text-3);
+  }
 }
 </style>
diff --git a/src/views/ops/pages/report/host/index.vue b/src/views/ops/pages/report/host/index.vue
index 15bd6b1..99e25f6 100644
--- a/src/views/ops/pages/report/host/index.vue
+++ b/src/views/ops/pages/report/host/index.vue
@@ -53,6 +53,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -70,6 +71,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -211,12 +213,13 @@ import {
   fetchReportList,
   generateReport,
   fetchReportContent,
-  exportReport,
   ReportType,
   type ReportRecord,
   type ServerReportParams,
 } from '@/api/ops/report'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { useReportServerPickOptions } from '../useReportServerPickOptions'
 
 const { serverIdentityOptions, serverOptionsLoading, loadServerPickOptions } = useReportServerPickOptions()
@@ -548,7 +551,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -563,18 +566,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
diff --git a/src/views/ops/pages/report/statistics/index.vue b/src/views/ops/pages/report/statistics/index.vue
index 245ebd1..cae24da 100644
--- a/src/views/ops/pages/report/statistics/index.vue
+++ b/src/views/ops/pages/report/statistics/index.vue
@@ -53,6 +53,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -70,6 +71,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -248,12 +250,13 @@ import {
   fetchReportList,
   generateReport,
   fetchReportContent,
-  exportReport,
   ReportType,
   type ReportRecord,
   type StatisticsReportParams,
 } from '@/api/ops/report'
 import * as echarts from 'echarts'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { useReportTargetIdentityOptions } from '../useReportTargetIdentityOptions'
 import { useReportMetricRegistryOptions } from '../useReportMetricRegistryOptions'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
@@ -634,7 +637,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -649,18 +652,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
diff --git a/src/views/ops/pages/report/topn/index.vue b/src/views/ops/pages/report/topn/index.vue
index f9ecc53..12662e0 100644
--- a/src/views/ops/pages/report/topn/index.vue
+++ b/src/views/ops/pages/report/topn/index.vue
@@ -53,6 +53,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -70,6 +71,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -97,11 +99,7 @@
             </a-form-item>
           </a-col>
           <a-col :span="12">
-            <a-form-item
-              label="指标"
-              field="metric_id"
-              :rules="[{ required: true, message: '请选择指标' }]"
-            >
+            <a-form-item label="指标" field="metric_id" :rules="[{ required: true, message: '请选择指标' }]">
               <a-select
                 v-model="generateForm.metric_id"
                 allow-clear
@@ -116,11 +114,7 @@
           </a-col>
         </a-row>
 
-        <a-form-item
-          label="目标标识"
-          field="target_identities"
-          :rules="[{ required: true, message: '请选择目标标识' }]"
-        >
+        <a-form-item label="目标标识" field="target_identities" :rules="[{ required: true, message: '请选择目标标识' }]">
           <a-select
             v-model="generateForm.target_identities"
             multiple
@@ -128,9 +122,7 @@
             allow-search
             :loading="targetOptionsLoading"
             :options="targetIdentityOptions"
-            :placeholder="
-              generateForm.data_source ? '请选择或搜索目标（可多选）' : '请先选择数据源'
-            "
+            :placeholder="generateForm.data_source ? '请选择或搜索目标（可多选）' : '请先选择数据源'"
             :disabled="!generateForm.data_source || generateForm.data_source === 'alert'"
             :max-tag-count="3"
             style="width: 100%"
@@ -179,28 +171,6 @@
           </a-col>
         </a-row>
 
-        <!-- 主机数据源额外参数 -->
-        <template v-if="generateForm.data_source === 'dc-host'">
-          <a-row :gutter="16">
-            <a-col :span="12">
-              <a-form-item label="指标类型" field="metric_type">
-                <a-select v-model="generateForm.metric_type" placeholder="请选择" style="width: 100%" allow-clear>
-                  <a-option value="cpu">CPU</a-option>
-                  <a-option value="disk">磁盘</a-option>
-                  <a-option value="io">IO</a-option>
-                  <a-option value="memory">内存</a-option>
-                  <a-option value="network">网络</a-option>
-                </a-select>
-              </a-form-item>
-            </a-col>
-            <a-col :span="12">
-              <a-form-item label="采集器标识" field="collector_identity">
-                <a-input v-model="generateForm.collector_identity" placeholder="可选，手填标识" style="width: 100%" />
-              </a-form-item>
-            </a-col>
-          </a-row>
-        </template>
-
         <a-form-item label="报表标题" field="title">
           <a-input v-model="generateForm.title" placeholder="可选，不填自动生成" style="width: 100%" />
         </a-form-item>
@@ -217,12 +187,7 @@
         <div ref="chartRef" class="chart-container"></div>
 
         <!-- 排名表格（引擎字段为 identity + value，见 dc-control genTopN） -->
-        <a-table
-          :data="normalizedRankingRows"
-          :columns="rankingTableColumns"
-          :pagination="false"
-          stripe
-        />
+        <a-table :data="normalizedRankingRows" :columns="rankingTableColumns" :pagination="false" stripe />
       </div>
       <a-empty v-else description="暂无数据" />
     </a-modal>
@@ -234,22 +199,15 @@ import { ref, reactive, computed, nextTick, watch } from 'vue'
 import { Message } from '@arco-design/web-vue'
 import SearchTable from '@/components/search-table/index.vue'
 import type { FormItem } from '@/components/search-form/types'
-import {
-  fetchReportList,
-  generateReport,
-  fetchReportContent,
-  exportReport,
-  ReportType,
-  type ReportRecord,
-  type TopNReportParams,
-} from '@/api/ops/report'
+import { fetchReportList, generateReport, fetchReportContent, ReportType, type ReportRecord, type TopNReportParams } from '@/api/ops/report'
 import * as echarts from 'echarts'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { useReportTargetIdentityOptions } from '../useReportTargetIdentityOptions'
 import { useReportMetricRegistryOptions } from '../useReportMetricRegistryOptions'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
 
-const { targetIdentityOptions, targetOptionsLoading, loadTargetIdentityOptions } =
-  useReportTargetIdentityOptions()
+const { targetIdentityOptions, targetOptionsLoading, loadTargetIdentityOptions } = useReportTargetIdentityOptions()
 
 const { metricOptions, metricOptionsLoading, loadMetricRegistryOptions } = useReportMetricRegistryOptions()
 
@@ -359,8 +317,6 @@ const generateForm = ref<{
   n: number
   rank_aggregate: string
   order: string
-  metric_type: string
-  collector_identity: string
   title: string
 }>({
   data_source: '',
@@ -370,8 +326,6 @@ const generateForm = ref<{
   n: 10,
   rank_aggregate: 'avg',
   order: 'desc',
-  metric_type: '',
-  collector_identity: '',
   title: '',
 })
 
@@ -386,7 +340,7 @@ watch(
     }
     loadTargetIdentityOptions(ds)
     loadMetricRegistryOptions(ds)
-  },
+  }
 )
 
 // 查看内容弹窗
@@ -509,8 +463,6 @@ const handleOpenGenerateModal = () => {
     n: 10,
     rank_aggregate: 'avg',
     order: 'desc',
-    metric_type: '',
-    collector_identity: '',
     title: '',
   }
   generateModalVisible.value = true
@@ -567,16 +519,6 @@ const handleGenerate = async () => {
       params.order = generateForm.value.order as any
     }
 
-    // 主机数据源额外参数
-    if (generateForm.value.data_source === 'dc-host') {
-      if (generateForm.value.metric_type) {
-        params.metric_type = generateForm.value.metric_type as any
-      }
-      if (generateForm.value.collector_identity) {
-        params.collector_identity = generateForm.value.collector_identity
-      }
-    }
-
     const res = await generateReport({
       report_type: ReportType.TOPN,
       title: generateForm.value.title || undefined,
@@ -639,7 +581,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -654,18 +596,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
@@ -704,9 +635,7 @@ const renderChart = (ranking: any[]) => {
     },
     yAxis: {
       type: 'category',
-      data: ranking
-        .map((item: any) => item.target ?? item.identity ?? item.target_identity ?? '')
-        .reverse(),
+      data: ranking.map((item: any) => item.target ?? item.identity ?? item.target_identity ?? '').reverse(),
     },
     series: [
       {
diff --git a/src/views/ops/pages/report/traffic/index.vue b/src/views/ops/pages/report/traffic/index.vue
index 5587e3e..6f9db49 100644
--- a/src/views/ops/pages/report/traffic/index.vue
+++ b/src/views/ops/pages/report/traffic/index.vue
@@ -53,6 +53,7 @@
             <template #content>
               <a-doption @click="handleExport('csv')">导出 CSV</a-doption>
               <a-doption @click="handleExport('xlsx')">导出 Excel</a-doption>
+              <a-doption @click="handleExport('pdf')">导出 PDF</a-doption>
             </template>
           </a-dropdown>
         </a-space>
@@ -70,6 +71,7 @@
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleViewContent(record)">查看</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('csv', record)">CSV</a-button>
           <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('xlsx', record)">Excel</a-button>
+          <a-button v-if="record.status === 'success'" type="text" size="small" @click="handleExport('pdf', record)">PDF</a-button>
         </a-space>
       </template>
     </search-table>
@@ -323,12 +325,13 @@ import {
   fetchReportList,
   generateReport,
   fetchReportContent,
-  exportReport,
   ReportType,
   type ReportRecord,
   type TrafficReportParams,
 } from '@/api/ops/report'
 import * as echarts from 'echarts'
+import { downloadReportFile } from '../useReportExport'
+import type { ReportExportFormat } from '@/api/ops/report'
 import { normalizeReportRows, reportStatusColor, reportStatusLabel } from '../useReportListRow'
 import { useReportTopologyOptions } from '../useReportTopologyOptions'
 import { useReportTargetIdentityOptions } from '../useReportTargetIdentityOptions'
@@ -815,7 +818,7 @@ const handleViewContent = async (record?: ReportRecord) => {
 }
 
 // 导出报表
-const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
+const handleExport = async (format: ReportExportFormat, record?: ReportRecord) => {
   const targetRecord = record || selectedRecord.value
   if (!targetRecord) {
     Message.warning('请选择要导出的报表')
@@ -830,18 +833,7 @@ const handleExport = async (format: 'csv' | 'xlsx', record?: ReportRecord) => {
   exporting.value = true
 
   try {
-    const blob = await exportReport(targetRecord.id, format)
-
-    // 创建下载链接
-    const url = window.URL.createObjectURL(blob)
-    const link = document.createElement('a')
-    link.href = url
-    link.download = `report_${targetRecord.id}.${format}`
-
-    document.body.appendChild(link)
-    link.click()
-    document.body.removeChild(link)
-    window.URL.revokeObjectURL(url)
+    await downloadReportFile(targetRecord, format)
 
     Message.success('导出成功')
   } catch (error: any) {
diff --git a/src/views/ops/pages/report/useReportExport.ts b/src/views/ops/pages/report/useReportExport.ts
new file mode 100644
index 0000000..bc6c934
--- /dev/null
+++ b/src/views/ops/pages/report/useReportExport.ts
@@ -0,0 +1,16 @@
+import { exportReport, type ReportExportFormat, type ReportRecord } from '@/api/ops/report'
+
+export async function downloadReportFile(record: ReportRecord, format: ReportExportFormat): Promise<void> {
+  const { blob, fileName } = await exportReport(record.id, format)
+  const url = window.URL.createObjectURL(blob)
+  const link = document.createElement('a')
+  try {
+    link.href = url
+    link.download = fileName
+    document.body.appendChild(link)
+    link.click()
+  } finally {
+    link.remove()
+    window.URL.revokeObjectURL(url)
+  }
+}