diff --git a/app/services/upstream_signals.py b/app/services/upstream_signals.py
index 51826de..8f56a25 100644
--- a/app/services/upstream_signals.py
+++ b/app/services/upstream_signals.py
@@ -36,6 +36,16 @@ def _limit() -> int:
     return max(1, param_store.get_int("PMS_UPSTREAM_LIMIT", 40))
 
 
+def _alert_scan() -> int:
+    # 告警流扫更大窗口, 防高频源(如 price_notice)把风控告警挤出"最新N"。
+    return max(_limit(), param_store.get_int("PMS_UPSTREAM_ALERT_SCAN", 300))
+
+
+def _alert_per_cat() -> int:
+    # 每个类型最多留最新 N 条, 高频源只占它自己那一档, 不挤别的类。
+    return max(1, param_store.get_int("PMS_UPSTREAM_ALERT_PER_CAT", 20))
+
+
 def _c208(db: int):
     """208(与 SIGNAL_REDIS 同实例)的只读客户端, 按库缓存。"""
     key = ("208", db)
@@ -117,6 +127,9 @@ _ALERT_META = {
     "money_flow_in_intensity":  ("看涨", "money_flow", "资金流强度"),
     "capital_accumulation":     ("看涨", "capital", "资金分布"),
     "volume_breakout":          ("看涨", "volume", "放量异动"),
+    # 股价异动通知: 是"价格大幅变动"事件, 不是情绪信号 → 方向用 涨/跌(区别于看涨/看跌), 单独一类。
+    "price_notice_up":          ("涨",   "price_notice", "股价异动"),
+    "price_notice_down":        ("跌",   "price_notice", "股价异动"),
     "multi_source":             (None,  "multi", "多源升级"),
     "intraday_buy_emitted":     ("—",   "buy_emitted", "买入镜像"),
 }
@@ -124,8 +137,10 @@ _ALERT_META = {
 
 def _read_alerts(c, ymd):
     key = "intraday_alerts:%s" % ymd
+    per_cat = _alert_per_cat()
+    counts = {}          # cat -> 已收数量; 每类只留最新 per_cat 条(仍按 newest-first)
     out = []
-    for _id, f in c.xrevrange(key, count=_limit()):
+    for _id, f in c.xrevrange(key, count=_alert_scan()):
         src = str(f.get("source") or "")
         meta = f.get("metadata")
         if not isinstance(meta, dict):
@@ -134,12 +149,15 @@ def _read_alerts(c, ymd):
             except Exception:
                 meta = {}
         dir_fixed, cat, cat_label = _ALERT_META.get(src, (None, "other", "其他"))
+        if counts.get(cat, 0) >= per_cat:     # 该类已满 → 跳过, 高频源不挤掉别的类
+            continue
         if dir_fixed is None:
             # multi_source 或未登记源: 方向以 metadata.direction 为准, 拿不到就 —
             mdir = str((meta or {}).get("direction") or "").lower()
             d = "看跌" if mdir in ("down", "short", "bear") else ("看涨" if mdir in ("up", "long", "bull") else "—")
         else:
             d = dir_fixed
+        counts[cat] = counts.get(cat, 0) + 1
         out.append({"ts_code": f.get("ts_code"), "source": src, "direction": d,
                     "cat": cat, "cat_label": cat_label,
                     "level": f.get("level"), "value": _num(f.get("value")), "time": _hm(f.get("trigger_time"))})
diff --git a/app/web/static/index.html b/app/web/static/index.html
index df32ba7..c948636 100644
--- a/app/web/static/index.html
+++ b/app/web/static/index.html
@@ -193,7 +193,7 @@ pre.json{background:var(--surface-2);border:1px solid var(--hair);border-radius:
         <span class="ab-badge">{{ alertStripCount }} 条<span v-if="alertTotalCount>alertStripCount" class="muted" style="font-weight:400"> / 全部 {{ alertTotalCount }}</span></span>
         <span class="ab-latest" v-if="alertLatest.ts_code">最新 ·
           <b>{{ nm(alertLatest.ts_code) }}</b> <span class="muted mono">{{ alertLatest.ts_code }}</span>
-          <span v-if="alertLatest.direction && alertLatest.direction!=='—'" :class="alertLatest.direction==='看涨'?'clr-up':'clr-down'">{{ alertLatest.direction }}</span>
+          <span v-if="alertLatest.direction && alertLatest.direction!=='—'" :class="['看涨','涨'].includes(alertLatest.direction)?'clr-up':'clr-down'">{{ alertLatest.direction }}</span>
           <span class="muted">{{ alertLatest.cat_label }}</span>
           <span class="disp" :class="alertLatest.level==='DANGER'?'deny':(alertLatest.level==='WARNING'?'queue':'wait')" style="padding:1px 7px">{{ alertLatest.level }}</span>
           <span class="muted">{{ alertLatest.time }}</span>
@@ -217,7 +217,7 @@ pre.json{background:var(--surface-2);border:1px solid var(--hair);border-radius:
         </div>
         <el-table :data="g.items.slice(0,20)" size="small" max-height="240" empty-text="暂无">
           <el-table-column label="股票" min-width="140"><template #default="s"><b>{{ nm(s.row.ts_code) }}</b> <span class="muted mono">{{ s.row.ts_code }}</span></template></el-table-column>
-          <el-table-column label="方向" width="58"><template #default="s"><span v-if="s.row.direction && s.row.direction!=='—'" :class="s.row.direction==='看涨'?'clr-up':'clr-down'">{{ s.row.direction }}</span><span v-else class="muted">—</span></template></el-table-column>
+          <el-table-column label="方向" width="58"><template #default="s"><span v-if="s.row.direction && s.row.direction!=='—'" :class="['看涨','涨'].includes(s.row.direction)?'clr-up':'clr-down'">{{ s.row.direction }}</span><span v-else class="muted">—</span></template></el-table-column>
           <el-table-column label="级别" width="86"><template #default="s"><span class="disp" :class="s.row.level==='DANGER'?'deny':(s.row.level==='WARNING'?'queue':'wait')">{{ s.row.level }}</span></template></el-table-column>
           <el-table-column label="来源" min-width="150"><template #default="s"><span class="muted" style="font-size:11px">{{ s.row.source }}</span></template></el-table-column>
           <el-table-column label="时间" width="56" align="right"><template #default="s"><span class="mono muted">{{ s.row.time }}</span></template></el-table-column>
@@ -1395,7 +1395,7 @@ createApp({
     const upstream = ref({ sources: {} });
     const showUpstream = ref(true);
     const showAlerts = ref(false);
-    const alertShowMap = reactive({ money_flow:true, capital:true, qrs:true, volume:true, multi:true, buy_emitted:false, other:true });
+    const alertShowMap = reactive({ money_flow:true, capital:true, qrs:true, volume:true, multi:true, price_notice:false, buy_emitted:false, other:true });
     const openScan = ref({ by_code: {}, notes: [] });
     const insTab = ref('live');
     const stratDlg = reactive({ visible:false, busy:false, reasons:[], ts_code:'', price:0,
@@ -1823,8 +1823,8 @@ createApp({
     }
     const usrc = k => (upstream.value.sources || {})[k];
     const alertItems = computed(() => { const a = usrc('alerts'); return (a && Array.isArray(a.items)) ? a.items : []; });
-    const ALERT_CAT_ORDER = ['money_flow','capital','qrs','volume','multi','buy_emitted','other'];
-    const ALERT_CAT_DIRECTIONAL = { money_flow:true, capital:true, qrs:true, volume:true, multi:true, buy_emitted:false, other:false };
+    const ALERT_CAT_ORDER = ['money_flow','capital','qrs','volume','multi','price_notice','buy_emitted','other'];
+    const ALERT_CAT_DIRECTIONAL = { money_flow:true, capital:true, qrs:true, volume:true, multi:true, price_notice:true, buy_emitted:false, other:false };
     const catShown = k => alertShowMap[k] !== false;   // 未登记类默认进折叠条
     function toggleCat(k){ alertShowMap[k] = !catShown(k); }
     const alertGroups = computed(() => {