diff --git a/db/exploration.go b/db/exploration.go
index 039ab3a..61b6a51 100644
--- a/db/exploration.go
+++ b/db/exploration.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"sort"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -872,7 +873,15 @@ func (s *ExplorationStore) NodesPage(f NodeFilter, page, size int) ([]*Node, int
 	if q := strings.TrimSpace(f.Query); q != "" {
 		args = append(args, "%"+q+"%")
 		mark := "$" + fmt.Sprint(len(args))
-		conds = append(conds, "(payload::text ILIKE "+mark+" OR COALESCE(origin,'') ILIKE "+mark+")")
+		ors := []string{"payload::text ILIKE " + mark, "COALESCE(origin,'') ILIKE " + mark}
+		// 纯数字(或 UI 里带 # 前缀的形式,如「#41」)当作节点 id 精确匹配,方便直接定位某个节点。
+		if idStr := strings.TrimPrefix(q, "#"); idStr != "" {
+			if id, err := strconv.ParseInt(idStr, 10, 64); err == nil {
+				args = append(args, id)
+				ors = append(ors, "id = $"+fmt.Sprint(len(args)))
+			}
+		}
+		conds = append(conds, "("+strings.Join(ors, " OR ")+")")
 	}
 	where := " WHERE " + strings.Join(conds, " AND ")
 
diff --git a/db/exploration_test.go b/db/exploration_test.go
index 97d9f62..6e21a78 100644
--- a/db/exploration_test.go
+++ b/db/exploration_test.go
@@ -246,3 +246,51 @@ func TestIntentPauseResumeAndCancelCleanup(t *testing.T) {
 	assertCount(`SELECT COUNT(*) FROM exploration_anchors WHERE node_id=$1`, 0, directFact)
 	assertCount(`SELECT COUNT(*) FROM assets WHERE id=$1`, 1, assetID)
 }
+
+// TestNodesPageQueryMatchesID verifies the 播报板 search filters on node id (both
+// the bare number and the「#id」form the UI shows) in addition to payload/origin.
+func TestNodesPageQueryMatchesID(t *testing.T) {
+	d, err := Open(testDSN(t))
+	if err != nil {
+		t.Skipf("postgres unavailable (%v) — skipping", err)
+	}
+	defer d.Close()
+
+	expID, err := d.CreateExploration("test", "id 搜索")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer d.Exec(`DELETE FROM explorations WHERE id=$1`, expID)
+	es := d.Exploration(expID)
+
+	target, err := es.AddNode("fact", map[string]any{"summary": "needle-alpha"}, 0, "confirmed", "worker-a", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	other, err := es.AddNode("fact", map[string]any{"summary": "unrelated-beta"}, 0, "confirmed", "worker-b", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	onlyTarget := func(label, q string) {
+		t.Helper()
+		nodes, total, err := es.NodesPage(NodeFilter{Query: q}, 1, 50)
+		if err != nil {
+			t.Fatalf("%s: %v", label, err)
+		}
+		if total != 1 || len(nodes) != 1 || nodes[0].ID != target {
+			t.Fatalf("%s: q=%q total=%d nodes=%+v, want single node %d", label, q, total, nodes, target)
+		}
+	}
+
+	onlyTarget("bare id", fmt.Sprint(target))
+	onlyTarget("hash id", "#"+fmt.Sprint(target))
+	onlyTarget("payload still works", "needle-alpha")
+
+	// A non-matching numeric id returns nothing (and does not accidentally match other).
+	if nodes, total, err := es.NodesPage(NodeFilter{Query: fmt.Sprint(target + other + 1000)}, 1, 50); err != nil {
+		t.Fatal(err)
+	} else if total != 0 || len(nodes) != 0 {
+		t.Fatalf("non-existent id: total=%d nodes=%+v, want empty", total, nodes)
+	}
+}
diff --git a/web/src/app/(main)/function/tasks/detail/_tabs/broadcast-tab.tsx b/web/src/app/(main)/function/tasks/detail/_tabs/broadcast-tab.tsx
index 03a4406..30347e5 100644
--- a/web/src/app/(main)/function/tasks/detail/_tabs/broadcast-tab.tsx
+++ b/web/src/app/(main)/function/tasks/detail/_tabs/broadcast-tab.tsx
@@ -573,7 +573,7 @@ export function BroadcastTab({ taskId }: { taskId: string }) {
           <Input
             value={queryInput}
             onChange={(e) => setQueryInput(e.target.value)}
-            placeholder="搜索播报内容 / 来源"
+            placeholder="搜索内容 / 来源 / 节点 id"
             className="h-8 pl-8"
             aria-label="搜索播报"
           />
diff --git a/web/src/lib/mock/handler.ts b/web/src/lib/mock/handler.ts
index 99bce72..d240c7a 100644
--- a/web/src/lib/mock/handler.ts
+++ b/web/src/lib/mock/handler.ts
@@ -2168,7 +2168,12 @@ function route(m: string, path: string, seg: string[], q: URLSearchParams, b: Re
     const rank = (id: string) => all.findIndex((n) => n.id === id);
     const matched = all
       .filter((n) => (kinds.size === 0 || kinds.has(n.type)) && (states.size === 0 || states.has(n.state)))
-      .filter((n) => !needle || `${n.payload ?? ""} ${n.origin}`.toLowerCase().includes(needle))
+      .filter(
+        (n) =>
+          !needle ||
+          // 内容 / 来源 / 节点 id 任一命中即可(id 兼容「#41」写法)。
+          `${n.payload ?? ""} ${n.origin} ${n.id}`.toLowerCase().includes(needle.replace(/^#/, "")),
+      )
       .sort((a, b) => {
         const d = Date.parse(a.ts) - Date.parse(b.ts) || rank(a.id) - rank(b.id);
         return asc ? d : -d;