diff --git a/admin/src/api/tracker/visitors.ts b/admin/src/api/tracker/visitors.ts
index 54f5ddb..044bbd2 100644
--- a/admin/src/api/tracker/visitors.ts
+++ b/admin/src/api/tracker/visitors.ts
@@ -93,6 +93,26 @@ export interface VisitorListResp {
   page: number
 }
 
+/** 原始上报批次行（visitors.py `VisitorRawBatchesView`） */
+export interface RawBatchRow {
+  id: number
+  batch_id: string
+  /** accepted / partial / rejected */
+  status: string
+  event_count: number
+  rejected_count: number
+  received_at: string
+  /** 脱敏后的整包 JSON 文本（敏感值已 [FILTERED]、被拒批次已截断）——只做文本渲染，禁 v-html */
+  body: string
+}
+
+/** 原始批次列表响应 */
+export interface RawBatchListResp {
+  list: RawBatchRow[]
+  total: number
+  page: number
+}
+
 /**
  * 访客列表筛选参数。
  * online/is_new/show_bot 是后端字符串哨兵（仅 "1" 生效，见 visitors.py `_page_visitors`）——
@@ -135,3 +155,10 @@ export const getSession = (visitorId: string, sessionId: string) =>
   request.get<SessionSummary & { events: TimelineEvent[] }>({
     url: `/admin/visitors/${visitorId}/sessions/${sessionId}`
   })
+
+/** 访客原始上报批次（page_size 10，按接收时间倒序；404 时后端返回 visitor_not_found） */
+export const getRawBatches = (visitorId: string, page = 1) =>
+  request.get<RawBatchListResp>({
+    url: `/admin/visitors/${visitorId}/raw-batches`,
+    params: { page }
+  })
diff --git a/admin/src/views/tracker/visitor/detail.vue b/admin/src/views/tracker/visitor/detail.vue
index 558baac..3efa985 100644
--- a/admin/src/views/tracker/visitor/detail.vue
+++ b/admin/src/views/tracker/visitor/detail.vue
@@ -1,4 +1,4 @@
-<!-- 访客统计 · 访客详情（档案卡 + 跨天时间线 + 会话列表/抽屉） -->
+<!-- 访客统计 · 访客详情（档案卡 + 跨天时间线 + 会话列表/抽屉 + 原始上报批次） -->
 <!-- keepAlive=true 且路由 path 固定：访客切换复用同一实例，刷新依赖 onActivated + query watch -->
 <template>
   <div class="visitor-detail-page p-5">
@@ -207,9 +207,105 @@
             </ElTable>
           </div>
         </ElTabPane>
+
+        <!-- Tab 3：原始上报批次（raw_batch，排查"上报了为何没进报表"） -->
+        <ElTabPane label="原始数据" name="raw">
+          <div class="art-card px-5 py-4">
+            <div class="flex-c flex-wrap gap-2 mb-3">
+              <h3 class="m-0 text-sm font-semibold">原始上报批次</h3>
+              <span class="text-xs text-g-500">
+                每次接收的原样存档（保留 30 天）；敏感字段已脱敏为 [FILTERED]，被拒批次超 4KB 截断
+              </span>
+            </div>
+            <ElTable
+              :data="rawBatches?.list ?? []"
+              v-loading="rawLoading"
+              empty-text="暂无原始上报数据"
+              row-class-name="session-row"
+              @row-click="openRawDrawer"
+            >
+              <ElTableColumn label="接收时间" width="170">
+                <template #default="{ row }">{{ formatDateTime(row.received_at) }}</template>
+              </ElTableColumn>
+              <ElTableColumn label="批次 ID" min-width="150">
+                <template #default="{ row }">
+                  <div v-if="row.batch_id" class="flex-c gap-1">
+                    <code class="session-id-code">{{ row.batch_id.slice(0, 8) }}</code>
+                    <ElButton
+                      link
+                      type="primary"
+                      size="small"
+                      @click.stop="copyBatchId(row.batch_id)"
+                    >
+                      复制
+                    </ElButton>
+                  </div>
+                  <span v-else>—</span>
+                </template>
+              </ElTableColumn>
+              <ElTableColumn label="状态" width="100">
+                <template #default="{ row }">
+                  <ElTag :type="rawStatus(row.status).type" size="small">
+                    {{ rawStatus(row.status).label }}
+                  </ElTag>
+                </template>
+              </ElTableColumn>
+              <ElTableColumn prop="event_count" label="入库数" width="80" align="right" />
+              <ElTableColumn prop="rejected_count" label="拒绝数" width="80" align="right" />
+            </ElTable>
+            <div class="flex-c justify-end mt-3">
+              <ElPagination
+                :total="rawBatches?.total ?? 0"
+                :page-size="RAW_PAGE_SIZE"
+                :current-page="rawPage"
+                layout="total, prev, pager, next"
+                @current-change="onRawPageChange"
+              />
+            </div>
+          </div>
+        </ElTabPane>
       </ElTabs>
     </template>
 
+    <!-- 原始批次详情抽屉：body 是服务端脱敏后的 JSON 文本，<pre> 文本插值渲染（禁 v-html） -->
+    <ElDrawer v-model="rawDrawerVisible" title="原始上报批次" size="46%">
+      <template v-if="rawCurrent">
+        <div class="drawer-summary">
+          <div class="flex-c flex-wrap gap-x-4 gap-y-1.5">
+            <span class="text-g-600 text-sm">批次 ID</span>
+            <template v-if="rawCurrent.batch_id">
+              <code class="session-id-code">{{ rawCurrent.batch_id }}</code>
+              <ElButton link type="primary" size="small" @click="copyBatchId(rawCurrent.batch_id)">
+                复制
+              </ElButton>
+            </template>
+            <span v-else class="text-sm">—</span>
+          </div>
+          <div class="summary-grid">
+            <div class="flex-c gap-2">
+              <span class="text-xs text-g-600">接收时间</span>
+              <span class="text-sm">{{ formatDateTime(rawCurrent.received_at) }}</span>
+            </div>
+            <div class="flex-c gap-2">
+              <span class="text-xs text-g-600">状态</span>
+              <ElTag :type="rawStatus(rawCurrent.status).type" size="small">
+                {{ rawStatus(rawCurrent.status).label }}
+              </ElTag>
+            </div>
+            <div class="flex-c gap-2">
+              <span class="text-xs text-g-600">入库数</span>
+              <span class="text-sm">{{ rawCurrent.event_count }}</span>
+            </div>
+            <div class="flex-c gap-2">
+              <span class="text-xs text-g-600">拒绝数</span>
+              <span class="text-sm">{{ rawCurrent.rejected_count }}</span>
+            </div>
+          </div>
+        </div>
+        <pre class="raw-json-body">{{ prettyBody(rawCurrent.body) }}</pre>
+      </template>
+    </ElDrawer>
+
     <!-- 会话详情抽屉 -->
     <ElDrawer v-model="drawerVisible" title="会话详情" size="34%">
       <div v-loading="sessionLoading" class="drawer-body">
@@ -268,9 +364,11 @@
 <script setup lang="ts">
   import { Back as BackIcon } from '@element-plus/icons-vue'
   import {
+    getRawBatches,
     getSession,
     getTimeline,
     getVisitor,
+    type RawBatchRow,
     type SessionSummary,
     type TimelineEvent,
     type TimelineResp,
@@ -346,7 +444,7 @@
   ])
 
   // ---------- 跨天时间线 ----------
-  const activeTab = ref<'timeline' | 'sessions'>('timeline')
+  const activeTab = ref<'timeline' | 'sessions' | 'raw'>('timeline')
   const days = ref(30)
   const timeline = ref<TimelineResp | null>(null)
   const timelineLoading = ref(false)
@@ -408,6 +506,75 @@
     }
   }
 
+  // ---------- 原始上报批次（Tab 3） ----------
+  const RAW_PAGE_SIZE = 10 // 与后端 visitors.py RAW_PAGE_SIZE 同步
+  const rawBatches = ref<{ list: RawBatchRow[]; total: number; page: number } | null>(null)
+  const rawLoading = ref(false)
+  const rawPage = ref(1)
+  let rawSeq = 0
+
+  const loadRawBatches = async (page = rawPage.value) => {
+    const vid = loadedVid
+    if (!vid) return
+    const seq = ++rawSeq
+    rawPage.value = page
+    rawLoading.value = true
+    try {
+      const resp = await getRawBatches(vid, page)
+      if (seq === rawSeq) rawBatches.value = resp
+    } catch {
+      if (seq === rawSeq) rawBatches.value = null
+    } finally {
+      if (seq === rawSeq) rawLoading.value = false
+    }
+  }
+
+  const onRawPageChange = (page: number) => {
+    loadRawBatches(page)
+  }
+
+  // 首次切到原始 Tab 才拉取（懒加载）；失败置 null，切走再切回可重试
+  watch(activeTab, (tab) => {
+    if (tab === 'raw' && rawBatches.value === null && loadedVid) loadRawBatches()
+  })
+
+  /** 状态三色映射（accepted/partial/rejected；未知值兜底 info） */
+  const rawStatusMap: Record<
+    string,
+    { label: string; type: 'success' | 'warning' | 'danger' | 'info' }
+  > = {
+    accepted: { label: '已入库', type: 'success' },
+    partial: { label: '部分拒绝', type: 'warning' },
+    rejected: { label: '已拒绝', type: 'danger' }
+  }
+  const rawStatus = (status: string) => rawStatusMap[status] ?? { label: status, type: 'info' }
+
+  /** 被拒批次 body 被 4KB 截断后不是合法 JSON——parse 失败原文直出 */
+  const prettyBody = (body: string): string => {
+    try {
+      return JSON.stringify(JSON.parse(body), null, 2)
+    } catch {
+      return body
+    }
+  }
+
+  // 原始批次抽屉（body 随行带出，无需再请求）
+  const rawDrawerVisible = ref(false)
+  const rawCurrent = ref<RawBatchRow | null>(null)
+  const openRawDrawer = (row: RawBatchRow) => {
+    rawCurrent.value = row
+    rawDrawerVisible.value = true
+  }
+
+  const copyBatchId = async (batchId: string) => {
+    try {
+      await copy(batchId)
+      ElMessage.success('批次 ID 已复制到剪贴板')
+    } catch {
+      ElMessage.error('复制失败，请手动选择复制')
+    }
+  }
+
   // ---------- keepAlive 访客切换 ----------
   /**
    * 路由 keepAlive 且 path 固定为 /tracker/visitor/detail：列表点不同访客进来复用同一实例。
@@ -418,9 +585,14 @@
     const vid = routeVisitorId.value
     if (!vid || vid === loadedVid) return
     loadedVid = vid
-    // 换访客：清档案/时间线/抽屉态，防旧访客 ID 在 loading 遮罩下闪现（days 保持所选范围重新拉取）
+    // 换访客：清档案/时间线/原始批次/抽屉态，防旧访客 ID 在 loading 遮罩下闪现
+    //（days 保持所选范围重新拉取；原始 Tab 懒加载——分页重置回第 1 页，切到 Tab 时再拉）
     detail.value = null
     timeline.value = null
+    rawBatches.value = null
+    rawPage.value = 1
+    rawDrawerVisible.value = false
+    rawCurrent.value = null
     drawerVisible.value = false
     sessionDetail.value = null
     loadDetail(vid)
@@ -532,4 +704,19 @@
     grid-template-columns: repeat(2, minmax(0, 1fr));
     gap: 8px 12px;
   }
+
+  // 原始批次 JSON（脱敏后文本，pre 渲染）
+  .raw-json-body {
+    max-height: calc(100vh - 260px);
+    padding: 12px 14px;
+    margin: 12px 0 0;
+    overflow: auto;
+    font-family: var(--el-font-family-mono, monospace);
+    font-size: 12px;
+    line-height: 1.6;
+    white-space: pre-wrap;
+    word-break: break-all;
+    border-radius: 6px;
+    background: var(--el-fill-color-lighter);
+  }
 </style>
diff --git a/server/config/urls.py b/server/config/urls.py
index 626f256..4b934b8 100644
--- a/server/config/urls.py
+++ b/server/config/urls.py
@@ -4,7 +4,8 @@ from tracker.api.auth import LoginView, RefreshView, MeView, UserCreateView
 from tracker.api.sites import SiteListView, SiteDetailView
 from tracker.api.dashboard import OverviewView
 from tracker.api.visitors import (VisitorDetailView, VisitorListView,
-                                  VisitorSessionView, VisitorTimelineView)
+                                  VisitorRawBatchesView, VisitorSessionView,
+                                  VisitorTimelineView)
 
 urlpatterns = [
     path("api/collect/batch", CollectBatchView.as_view()),
@@ -23,4 +24,6 @@ urlpatterns += [
     path("api/admin/visitors/<str:visitor_id>/timeline", VisitorTimelineView.as_view()),
     path("api/admin/visitors/<str:visitor_id>/sessions/<str:session_id>",
          VisitorSessionView.as_view()),
+    path("api/admin/visitors/<str:visitor_id>/raw-batches",
+         VisitorRawBatchesView.as_view()),
 ]
diff --git a/server/tracker/api/collect.py b/server/tracker/api/collect.py
index 51099e3..757b87f 100644
--- a/server/tracker/api/collect.py
+++ b/server/tracker/api/collect.py
@@ -7,8 +7,9 @@ from rest_framework.permissions import AllowAny
 from rest_framework.throttling import AnonRateThrottle
 from rest_framework.parsers import BaseParser
 from rest_framework.settings import api_settings
-from tracker.models import Site
+from tracker.models import RawBatch, Site, Visitor
 from tracker.services.ingest import ingest_batch
+from tracker.services.validation import sanitize_payload
 
 class PlainJSONParser(BaseParser):
     media_type = "text/plain"
@@ -56,6 +57,9 @@ class CollectBatchView(APIView):
         if not host and not site.allow_no_origin:
             return self._deny(403, "not_allowed")
         payload = request.data if isinstance(request.data, dict) else {}
+        # 原始批次快照：须在 occurred_at 字符串转 datetime 之前深拷贝（datetime 不可 JSON 序列化），
+        # 且独立于 ingest/validate 的就地清洗（path 截断等）——存的是"到达时"的原文（脱敏后）。
+        snapshot = sanitize_payload(json.loads(json.dumps(payload, ensure_ascii=False)))
         for ev in payload.get("events") or []:
             if isinstance(ev, dict) and "occurred_at" in ev:
                 try:
@@ -66,6 +70,10 @@ class CollectBatchView(APIView):
             return self._deny(400, "invalid_payload")
         ip = self._client_ip(request)
         r = ingest_batch(site, payload, ip, request.headers.get("User-Agent", ""))
+        try:
+            self._save_raw_batch(site, payload, snapshot, r, ip)
+        except Exception:   # best-effort：原始表任何失败（含孤代理 encode 崩溃）不影响主采集响应
+            pass
         return Response({"code": 200,
             "data": {"accepted": r["accepted"], "duplicated": r["duplicated"]},
             "message": "ok"})
@@ -95,6 +103,26 @@ class CollectBatchView(APIView):
                              "message": response.data["detail"]}
         return response
 
+    def _save_raw_batch(self, site, payload, snapshot, r, ip):
+        """原始批次落库（每次接收一行，含被拒批次）。失败由调用方静默吞掉。
+
+        rejected（accepted=0 且有拒绝）整批截断 4KB——超批 51 事件的原文必然超限；
+        partial（部分拒绝）不截：正常批次本就受 256KB 请求体上限约束，TextField 可容。
+        visitor 允许 None：被拒批次（如超批）不会创建访客记录。
+        """
+        body = json.dumps(snapshot, ensure_ascii=False)
+        status = ("rejected" if not r["accepted"] and r["rejected"]
+                  else "partial" if r["rejected"] else "accepted")
+        if status == "rejected" and len(body) > 4096:
+            body = body[:4096] + "...[TRUNCATED]"
+        vis = Visitor.objects.filter(site=site, visitor_id=payload.get("visitor_id")).first()
+        RawBatch.objects.create(
+            site=site, visitor=vis,
+            batch_id=str(payload.get("batch_id", ""))[:64],
+            body=body, event_count=r["accepted"],
+            rejected_count=len(r["rejected"]) if isinstance(r["rejected"], list) else r["rejected"],
+            status=status, ip=ip)
+
     def _match_site(self, request):
         sid = (request.data or {}).get("site_id") if isinstance(request.data, dict) else None
         return Site.objects.filter(site_id=sid).first() if sid else None
diff --git a/server/tracker/api/visitors.py b/server/tracker/api/visitors.py
index db8f96e..8ba51af 100644
--- a/server/tracker/api/visitors.py
+++ b/server/tracker/api/visitors.py
@@ -13,9 +13,10 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 
 from tracker.api.envelope import EnvelopeMixin, ok
-from tracker.models import Event, Site, VisitSession, Visitor
+from tracker.models import Event, RawBatch, Site, VisitSession, Visitor
 
 PAGE_SIZE = 20
+RAW_PAGE_SIZE = 10   # 原始批次 body 较大，页小一些
 TIMELINE_DEFAULT_DAYS = 30
 TIMELINE_MAX_DAYS = 90
 TIMELINE_MAX_EVENTS = 1000
@@ -246,3 +247,30 @@ class VisitorSessionView(EnvelopeMixin, APIView):
             return _not_found("session_not_found")
         events = Event.objects.filter(session=session).order_by("occurred_at", "pk")  # (session,occurred_at) 索引
         return ok({**_session_summary(session), "events": _merge_page_stay(events)})
+
+
+class VisitorRawBatchesView(EnvelopeMixin, APIView):
+    """访客原始上报批次（raw_batch）：排查"上报了为何没进报表"。
+
+    body 是脱敏后的整包 JSON 文本（敏感值已 [FILTERED]、被拒批次已截断），
+    前端以 <pre> 文本渲染（禁 v-html）。按 -received_at 倒序分页，走 (visitor,-received_at) 索引。
+    """
+
+    def get(self, request, visitor_id):
+        visitor = _get_visitor(visitor_id)
+        if not visitor:
+            return _not_found("visitor_not_found")
+        qs = RawBatch.objects.filter(visitor=visitor)
+        total = qs.count()
+        try:
+            page = int(request.query_params.get("page", 1))
+        except (TypeError, ValueError):
+            page = 1
+        page = max(1, page)
+        batches = qs.order_by("-received_at", "-pk")[
+            (page - 1) * RAW_PAGE_SIZE: page * RAW_PAGE_SIZE]
+        return ok({"list": [{"id": b.id, "batch_id": b.batch_id, "status": b.status,
+                             "event_count": b.event_count, "rejected_count": b.rejected_count,
+                             "received_at": _iso(b.received_at), "body": b.body}
+                            for b in batches],
+                   "total": total, "page": page})
diff --git a/server/tracker/management/commands/cleanup_raw.py b/server/tracker/management/commands/cleanup_raw.py
new file mode 100644
index 0000000..85cbd10
--- /dev/null
+++ b/server/tracker/management/commands/cleanup_raw.py
@@ -0,0 +1,19 @@
+from datetime import timedelta
+
+from django.core.management.base import BaseCommand
+from django.utils import timezone
+from tracker.models import RawBatch
+
+
+class Command(BaseCommand):
+    # 生产调度：1Panel 计划任务每日执行（与 refresh_stats 同款）
+    #   docker exec <web容器> python manage.py cleanup_raw --days 30
+    help = "清理 N 天前的原始上报批次（raw_batch 默认保留 30 天）"
+
+    def add_arguments(self, parser):
+        parser.add_argument("--days", type=int, default=30)
+
+    def handle(self, *args, **opts):
+        cutoff = timezone.now() - timedelta(days=opts["days"])
+        deleted, _ = RawBatch.objects.filter(received_at__lt=cutoff).delete()
+        self.stdout.write(f"deleted {deleted} raw batches")
diff --git a/server/tracker/migrations/0003_rawbatch.py b/server/tracker/migrations/0003_rawbatch.py
new file mode 100644
index 0000000..b9f8a39
--- /dev/null
+++ b/server/tracker/migrations/0003_rawbatch.py
@@ -0,0 +1,33 @@
+# Generated by Django 5.2.17 on 2026-09-16 07:33
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tracker', '0002_alter_dailystat_site_alter_event_session_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='RawBatch',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('batch_id', models.CharField(blank=True, default='', max_length=64)),
+                ('body', models.TextField()),
+                ('event_count', models.PositiveIntegerField(default=0)),
+                ('rejected_count', models.PositiveIntegerField(default=0)),
+                ('status', models.CharField(default='accepted', max_length=16)),
+                ('received_at', models.DateTimeField(auto_now_add=True)),
+                ('ip', models.GenericIPAddressField(blank=True, null=True)),
+                ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='raw_batches', to='tracker.site')),
+                ('visitor', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='raw_batches', to='tracker.visitor')),
+            ],
+            options={
+                'db_table': 'raw_batch',
+                'indexes': [models.Index(fields=['visitor', '-received_at'], name='raw_batch_visitor_9ea281_idx'), models.Index(fields=['site', '-received_at'], name='raw_batch_site_id_ad8e9f_idx')],
+            },
+        ),
+    ]
diff --git a/server/tracker/models.py b/server/tracker/models.py
index 544930b..223f867 100644
--- a/server/tracker/models.py
+++ b/server/tracker/models.py
@@ -107,6 +107,30 @@ class Event(models.Model):
         ]
 
 
+class RawBatch(models.Model):
+    """原始上报批次存档：每次 collect/batch 接收都落一行（含被拒批次）。
+
+    用途：排查"事件为何没进报表"——原始 JSON 与入库结果（event_count/rejected_count/status）
+    并排可对照白名单/超批/幂等拒绝原因。body 是脱敏后快照（敏感键值 → [FILTERED]，结构保留）；
+    被拒批次截断 4KB。保留期 30 天由 cleanup_raw 命令管理（生产 cron 每日执行）。
+    写入是 best-effort：失败不影响主采集流程（见 collect.py）。
+    """
+    site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="raw_batches")
+    visitor = models.ForeignKey(Visitor, on_delete=models.CASCADE, related_name="raw_batches", null=True)
+    batch_id = models.CharField(max_length=64, blank=True, default="")
+    body = models.TextField()               # 脱敏后的整包 JSON 文本
+    event_count = models.PositiveIntegerField(default=0)
+    rejected_count = models.PositiveIntegerField(default=0)
+    status = models.CharField(max_length=16, default="accepted")  # accepted/partial/rejected
+    received_at = models.DateTimeField(auto_now_add=True)
+    ip = models.GenericIPAddressField(null=True, blank=True)
+
+    class Meta:
+        db_table = "raw_batch"
+        indexes = [models.Index(fields=["visitor", "-received_at"]),
+                   models.Index(fields=["site", "-received_at"])]
+
+
 class DailyStat(models.Model):
     site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="daily_stats", db_index=False)   # uq_site_date 前缀覆盖
     date = models.DateField()
diff --git a/server/tracker/services/validation.py b/server/tracker/services/validation.py
index 3757cfc..a29d051 100644
--- a/server/tracker/services/validation.py
+++ b/server/tracker/services/validation.py
@@ -51,6 +51,19 @@ def _walk_props(v, depth=0):
         return True, False, True
     return True, False, False
 
+def sanitize_payload(obj):
+    """原始批次快照脱敏：递归遍历 dict/list，键名命中 SENSITIVE_KEY_PATTERNS（大小写不敏感）
+    → 值替换为字符串 "[FILTERED]"（结构保留，便于排查时仍看清字段形态）。
+    返回新对象（容器全部重建，叶值原样共享）——调用方在 ingest 之前对 payload 深拷贝后传入，
+    与 ingest/validate_event 的就地改写互不影响。"""
+    if isinstance(obj, dict):
+        return {k: ("[FILTERED]" if _SENSITIVE.search(str(k)) else sanitize_payload(v))
+                for k, v in obj.items()}
+    if isinstance(obj, list):
+        return [sanitize_payload(x) for x in obj]
+    return obj
+
+
 def validate_event(ev) -> str | None:
     """返回 None 表示通过；否则返回拒绝原因码。类型/白名单/体积/深度全在此守门。
     通过时会就地截断/清洗并写回 ev（path 先 sanitize_url 再截 MAX_PATH_LEN，title 截
diff --git a/server/tracker/tests/test_raw.py b/server/tracker/tests/test_raw.py
new file mode 100644
index 0000000..dc0131f
--- /dev/null
+++ b/server/tracker/tests/test_raw.py
@@ -0,0 +1,166 @@
+"""原始上报批次（raw_batch）：脱敏快照、拒批截断、重放留痕、API 分页、30 天清理。
+
+设计契约（与用户确认）：
+- 敏感字段值替换为 [FILTERED]（结构保留）——sanitize_payload 复用 SENSITIVE_KEY_PATTERNS；
+- 被拒批次也存（body 截断 4KB）；invalid_json（解析失败）不存；
+- 原始表写入失败不得影响主采集流程（best-effort）；
+- 每次接收都记一行（"原始记录"语义，重放不合并）。
+"""
+import json
+from datetime import timedelta
+from io import StringIO
+
+import pytest
+from django.contrib.auth import get_user_model
+from django.core.cache import cache
+from django.core.management import call_command
+from django.utils import timezone
+from rest_framework.test import APIClient
+from tracker.models import RawBatch, Site, Visitor
+
+User = get_user_model()
+NOW = timezone.now()
+
+
+@pytest.fixture(autouse=True)
+def _clear_cache():
+    cache.clear()   # locmem 限流历史跨测试残留，会让压测 429（与 test_collect 同款）
+
+
+@pytest.fixture
+def client():   # 覆盖 pytest-django 的 Django Client——认证用例需要 credentials()
+    return APIClient()
+
+
+@pytest.fixture
+def member_user():
+    return User.objects.create_user(username="member", password="memberpass123")
+
+
+def _auth(client, user):
+    from rest_framework_simplejwt.tokens import RefreshToken
+    token = RefreshToken.for_user(user)
+    client.credentials(HTTP_AUTHORIZATION=f"Bearer {token.access_token}")
+
+
+def _post(client, body, origin="https://www.a.com"):
+    return client.post("/api/collect/batch", data=json.dumps(body),
+                       content_type="text/plain", HTTP_ORIGIN=origin)
+
+
+def _body(n=1, sid="s1", vid="v1", events=None):
+    return {"site_id": "site_x", "visitor_id": vid, "session_id": sid,
+            "context": {"referrer_domain": "", "path": "/", "device_type": "PC"},
+            "events": events if events is not None else
+                      [{"event_id": f"e{i}", "event_name": "page_view",
+                        "occurred_at": NOW.isoformat(), "path": "/", "title": "t",
+                        "properties": {}} for i in range(n)]}
+
+
+def _site():
+    return Site.objects.create(name="s", domains=["www.a.com"], site_id="site_x")
+
+
+# ---- a) 正常上报 ----
+
+def test_raw_batch_accepted(db, client):
+    _site()
+    r = _post(client, _body(2, vid="v9"))
+    assert r.status_code == 200
+    rb = RawBatch.objects.get()
+    assert rb.status == "accepted" and rb.event_count == 2 and rb.rejected_count == 0
+    vis = Visitor.objects.get(visitor_id="v9")
+    assert rb.visitor_id == vis.pk and rb.site_id == vis.site_id   # 访客关联
+    body = json.loads(rb.body)
+    assert body["visitor_id"] == "v9"                    # 完整结构在场
+    assert body["context"]["device_type"] == "PC"
+    assert [e["path"] for e in body["events"]] == ["/", "/"]   # 快照先于 ingest 就地清洗
+
+
+# ---- b) 敏感键脱敏 + partial ----
+
+def test_raw_batch_partial_and_filtered(db, client):
+    _site()
+    events = [
+        {"event_id": "ok1", "event_name": "page_view", "occurred_at": NOW.isoformat(),
+         "path": "/", "title": "t", "properties": {}},
+        {"event_id": "bad1", "event_name": "page_view", "occurred_at": NOW.isoformat(),
+         "path": "/login", "title": "t", "properties": {"user_password": "hunter2"}},
+    ]
+    r = _post(client, _body(events=events, vid="v1"))
+    assert r.json()["data"]["accepted"] == 1             # 事件层：敏感事件被拒
+    rb = RawBatch.objects.get()
+    assert rb.status == "partial" and rb.event_count == 1 and rb.rejected_count == 1
+    body = json.loads(rb.body)
+    assert body["events"][1]["properties"]["user_password"] == "[FILTERED]"   # 值替换结构保留
+    assert body["events"][1]["properties"] != {"user_password": "hunter2"}
+
+
+# ---- c) 超批 rejected + 截断 ----
+
+def test_raw_batch_rejected_truncated(db, client):
+    _site()
+    r = _post(client, _body(51, vid="v1"))               # >50 事件整批拒
+    assert r.json()["data"]["accepted"] == 0
+    rb = RawBatch.objects.get()
+    assert rb.status == "rejected" and rb.event_count == 0 and rb.rejected_count == 1
+    # 51 事件原始 JSON 远超 4KB → 截断到 4096 + 标记后缀（≤ ~4.1KB）
+    assert len(rb.body) == 4096 + len("...[TRUNCATED]")
+    assert rb.body.endswith("...[TRUNCATED]")
+    assert rb.visitor is None or rb.visitor.visitor_id == "v1"   # 超批不建访客，允许 None
+
+
+# ---- d) 重放每次都记 ----
+
+def test_raw_batch_replay_two_rows(db, client):
+    _site()
+    _post(client, _body(1, vid="v1"))
+    _post(client, _body(1, vid="v1"))
+    assert RawBatch.objects.count() == 2                 # 原始记录语义：每次接收一行
+
+
+# ---- e) 管理台 API：分页与字段 ----
+
+def test_raw_batches_api_pagination_and_fields(db, client, member_user):
+    _auth(client, member_user)
+    site = _site()
+    v = Visitor.objects.create(site=site, visitor_id="v1")
+    for i in range(15):
+        rb = RawBatch.objects.create(site=site, visitor=v, batch_id=f"b{i:02d}",
+                                     body='{"visitor_id":"v1"}', event_count=i % 3,
+                                     rejected_count=0, status="accepted", ip="1.2.3.4")
+        # received_at 是 auto_now_add，update 绕开制造时间差（与 test_visitors 同款手法）
+        RawBatch.objects.filter(pk=rb.pk).update(received_at=NOW - timedelta(minutes=i))
+
+    r = client.get("/api/admin/visitors/v1/raw-batches")
+    assert r.status_code == 200
+    d = r.json()["data"]
+    assert d["total"] == 15 and d["page"] == 1 and len(d["list"]) == 10   # page_size 10
+    row = d["list"][0]
+    assert set(row) == {"id", "batch_id", "status", "event_count",
+                        "rejected_count", "received_at", "body"}
+    assert row["batch_id"] == "b00"                      # -received_at：最新在前
+    d2 = client.get("/api/admin/visitors/v1/raw-batches", {"page": "2"}).json()["data"]
+    assert d2["page"] == 2 and len(d2["list"]) == 5
+    assert [x["batch_id"] for x in d2["list"]][-1] == "b14"
+
+    r = client.get("/api/admin/visitors/nope/raw-batches")
+    assert r.status_code == 404
+    body = r.json()
+    assert body["code"] == 404 and body["data"] is None and body["message"] == "visitor_not_found"
+
+
+# ---- f) 清理命令 ----
+
+def test_cleanup_raw_command(db):
+    site = _site()
+    v = Visitor.objects.create(site=site, visitor_id="v1")
+    old = RawBatch.objects.create(site=site, visitor=v, body="{}")
+    RawBatch.objects.filter(pk=old.pk).update(received_at=NOW - timedelta(days=31))
+    new = RawBatch.objects.create(site=site, visitor=v, body="{}")   # 刚收到
+
+    out = StringIO()
+    call_command("cleanup_raw", "--days", 30, stdout=out)
+    assert not RawBatch.objects.filter(pk=old.pk).exists()   # 30 天前删除
+    assert RawBatch.objects.filter(pk=new.pk).exists()       # 新的保留
+    assert "1" in out.getvalue()                             # 输出删除数