diff --git a/internal/mqttforward/dedup_queue.go b/internal/mqttforward/dedup_queue.go
index 91816a7..8a80cd3 100644
--- a/internal/mqttforward/dedup_queue.go
+++ b/internal/mqttforward/dedup_queue.go
@@ -53,6 +53,12 @@ func (dq *DedupQueue) Stop() {
 	close(dq.stopCh)
 }
 
+func (dq *DedupQueue) Len() int {
+	dq.mu.Lock()
+	defer dq.mu.Unlock()
+	return len(dq.entries)
+}
+
 func (dq *DedupQueue) cleanup() {
 	now := time.Now()
 	dq.mu.Lock()
diff --git a/internal/web/mqtt_status.go b/internal/web/mqtt_status.go
index 5b750c8..3f9848b 100644
--- a/internal/web/mqtt_status.go
+++ b/internal/web/mqtt_status.go
@@ -30,6 +30,7 @@ type MQTTRuntimeStatus struct {
 	Stats       *mqttforwardpkg.Stats
 	ClientStats *mqttforwardpkg.ClientStats
 	DBQueue     *storepkg.WriteQueue
+	DedupQueue  *mqttforwardpkg.DedupQueue
 }
 
 // AdminMQTTStatus 是 admin 路由 GET /admin/mqtt-status 返回的 JSON 视图。
@@ -50,6 +51,7 @@ type AdminMQTTStatus struct {
 	MessagesSent        int64             `json:"messages_sent"`
 	MessagesDropped     int64             `json:"messages_dropped"`
 	DBWriteQueueLength  int               `json:"db_write_queue_length"`
+	DedupQueueLength    int               `json:"dedup_queue_len"`
 	Retained            int64             `json:"retained"`
 	Inflight            int64             `json:"inflight"`
 	InflightDropped     int64             `json:"inflight_dropped"`
@@ -71,7 +73,7 @@ type AdminMQTTClient struct {
 // Status 实现 MQTTStatusProvider。
 func (m MQTTRuntimeStatus) Status() AdminMQTTStatus {
 	if m.Server == nil || m.Server.Info == nil {
-		return AdminMQTTStatus{Running: false, Address: m.Address, TLS: m.TLS, DBWriteQueueLength: m.DBQueue.Len()}
+		return AdminMQTTStatus{Running: false, Address: m.Address, TLS: m.TLS, DBWriteQueueLength: m.DBQueue.Len(), DedupQueueLength: m.dedupQueueLen()}
 	}
 	info := m.Server.Info.Clone()
 	status := AdminMQTTStatus{
@@ -91,6 +93,7 @@ func (m MQTTRuntimeStatus) Status() AdminMQTTStatus {
 		MessagesSent:        m.Stats.Forwarded(),
 		MessagesDropped:     m.Stats.Dropped(),
 		DBWriteQueueLength:  m.DBQueue.Len(),
+		DedupQueueLength:    m.dedupQueueLen(),
 		Retained:            info.Retained,
 		Inflight:            info.Inflight,
 		InflightDropped:     info.InflightDropped,
@@ -136,6 +139,13 @@ func mqttClientInfo(c *mqtt.Client) mqttClientInfoView {
 	}
 }
 
+func (m MQTTRuntimeStatus) dedupQueueLen() int {
+	if m.DedupQueue == nil {
+		return 0
+	}
+	return m.DedupQueue.Len()
+}
+
 // DisconnectClient 实现 MQTTStatusProvider：发送 Disconnect 报文并关闭连接。
 // 使用 ErrAdministrativeAction 作为断开理由，便于日志区分。
 func (m MQTTRuntimeStatus) DisconnectClient(clientID string) bool {
diff --git a/main.go b/main.go
index b129e96..6d1eea5 100644
--- a/main.go
+++ b/main.go
@@ -474,7 +474,7 @@ func run(cfg *configpkg.Config) error {
 		if err != nil {
 			return err
 		}
-		mqttStatus := webpkg.MQTTRuntimeStatus{Server: server, Address: mqttAddr, TLS: cfg.MQTT.TLS.Enabled, Stats: messageStats, ClientStats: clientStats, DBQueue: dbQueue}
+		mqttStatus := webpkg.MQTTRuntimeStatus{Server: server, Address: mqttAddr, TLS: cfg.MQTT.TLS.Enabled, Stats: messageStats, ClientStats: clientStats, DBQueue: dbQueue, DedupQueue: mqttHook.dedupQueue}
 		handler := webpkg.NewRouter(cfg.Web, cfg.ConsoleLog.Web, store, sessions, mqttStatus, blocking, forwardManager, settings, botSender, aiService)
 		webAddresses := []string{}
 		if cfg.Web.PortEnabled {
diff --git a/meshmap_frontend/src/components/AdminDashboard.vue b/meshmap_frontend/src/components/AdminDashboard.vue
index f63b78b..3fc909b 100644
--- a/meshmap_frontend/src/components/AdminDashboard.vue
+++ b/meshmap_frontend/src/components/AdminDashboard.vue
@@ -200,6 +200,7 @@ onBeforeUnmount(() => {
         <div><span>订阅数</span><strong>{{ status.subscriptions }}</strong></div>
         <div><span>转发消息</span><strong>{{ status.messages_sent }}</strong></div>
         <div><span>数据库队列</span><strong>{{ status.db_write_queue_length }}</strong></div>
+        <div><span>去重队列</span><strong>{{ status.dedup_queue_len }}</strong></div>
         <a class="status-card-link" href="/admin/discard_details"><span>丢弃消息</span><strong>{{ status.messages_dropped }}</strong></a>
         <div><span>收到包</span><strong>{{ status.packets_received }}</strong></div>
         <div><span>发送包</span><strong>{{ status.packets_sent }}</strong></div>
diff --git a/meshmap_frontend/src/types.ts b/meshmap_frontend/src/types.ts
index a18198b..4af78b1 100644
--- a/meshmap_frontend/src/types.ts
+++ b/meshmap_frontend/src/types.ts
@@ -364,6 +364,7 @@ export interface AdminMqttStatus {
   messages_sent: number
   messages_dropped: number
   db_write_queue_length: number
+  dedup_queue_len: number
   retained: number
   inflight: number
   inflight_dropped: number