diff --git a/frontend/src/admin/pages/Collection.tsx b/frontend/src/admin/pages/Collection.tsx
index b078349..be760ee 100644
--- a/frontend/src/admin/pages/Collection.tsx
+++ b/frontend/src/admin/pages/Collection.tsx
@@ -94,6 +94,10 @@ export default function CollectionPage() {
           setTaskStatus(job.status === 'success' ? 'done' : 'error')
           stopPolling()
           loadRecentJobs() // 终态后刷新历史列表
+          // 广播采集终态:数据完整性等依赖页立即刷新,不必等轮询周期
+          window.dispatchEvent(new CustomEvent('profeto:ingest-done', {
+            detail: { jobId: job.id, status: job.status },
+          }))
         }
       } catch { /* 单次轮询失败不影响后续 */ }
     }
diff --git a/frontend/src/admin/pages/DataCompleteness.tsx b/frontend/src/admin/pages/DataCompleteness.tsx
index 04fd5b3..c4155c0 100644
--- a/frontend/src/admin/pages/DataCompleteness.tsx
+++ b/frontend/src/admin/pages/DataCompleteness.tsx
@@ -55,6 +55,9 @@ export default function DataCompletenessPage() {
   const [loading, setLoading] = useState(true)
   const [error, setError] = useState<string | null>(null)
   const [highlightedLeague, setHighlightedLeague] = useState<string | null>(null)
+  // 页面文案承诺「每 5 秒自动刷新」,此前并未实现(仅挂载加载一次),
+  // 采集完成后数字不动 —— 现补齐:5s 轮询 + 采集完成事件即时刷新。
+  const [autoRefresh, setAutoRefresh] = useState(true)
   const leagueRefs = useRef<Record<string, HTMLDivElement | null>>({})
 
   const load = useCallback(async () => {
@@ -72,6 +75,20 @@ export default function DataCompletenessPage() {
 
   useEffect(() => { load() }, [load])
 
+  // 5s 自动轮询(与页面文案一致);已有数据时刷新不闪骨架
+  useEffect(() => {
+    if (!autoRefresh) return
+    const t = setInterval(load, 5_000)
+    return () => clearInterval(t)
+  }, [autoRefresh, load])
+
+  // 采集页任务终态广播 → 立即刷新(不等下一个 5s 周期)
+  useEffect(() => {
+    const onIngestDone = () => load()
+    window.addEventListener('profeto:ingest-done', onIngestDone)
+    return () => window.removeEventListener('profeto:ingest-done', onIngestDone)
+  }, [load])
+
   // 点击问题项 → 滚动到对应联赛卡片并高亮
   const scrollToLeague = useCallback((code: string) => {
     setHighlightedLeague(code)
@@ -92,9 +109,20 @@ export default function DataCompletenessPage() {
         title="数据完整性"
         description="按联赛统计 bzzoiro 数据采集覆盖度。每 5 秒自动刷新,或点击右上角按钮手动刷新。"
         action={
-          <button onClick={load} disabled={loading} className="btn-sm btn-outline">
-            {loading ? <><Spinner /> 刷新中</> : '刷新'}
-          </button>
+          <div className="flex items-center gap-2">
+            <label className="flex cursor-pointer items-center gap-1.5 text-2xs text-ink-500">
+              <input
+                type="checkbox"
+                checked={autoRefresh}
+                onChange={e => setAutoRefresh(e.target.checked)}
+                className="accent-current"
+              />
+              5s 自动刷新
+            </label>
+            <button onClick={load} disabled={loading} className="btn-sm btn-outline">
+              {loading ? <><Spinner /> 刷新中</> : '刷新'}
+            </button>
+          </div>
         }
       />