diff --git a/src/server/engine/engine.go b/src/server/engine/engine.go
index dace3f26ff315fde3e74f62e7cc730be94044398..de36bafd6453ccb4b22595a5cee35a67e010616f 100644
--- a/src/server/engine/engine.go
+++ b/src/server/engine/engine.go
@@ -54,6 +54,6 @@ func reportQueueSize() {
 	for {
 		time.Sleep(time.Second)
 
-		promstat.GaugeAlertQueueSize.WithLabelValues().Set(float64(EventQueue.Len()))
+		promstat.GaugeAlertQueueSize.Set(float64(EventQueue.Len()))
 	}
 }
diff --git a/src/server/stat/stat.go b/src/server/stat/stat.go
index 75a6b540ce5b36e0dce3ed325fb1d3ca058d07ce..0f75abb6fb3b3ccbbb72cd2869d75e1d9e9ed0f4 100644
--- a/src/server/stat/stat.go
+++ b/src/server/stat/stat.go
@@ -43,12 +43,12 @@ var (
 	}, []string{"cluster"})
 
 	// 内存中的告警事件队列的长度
-	GaugeAlertQueueSize = prometheus.NewGaugeVec(prometheus.GaugeOpts{
+	GaugeAlertQueueSize = prometheus.NewGauge(prometheus.GaugeOpts{
 		Namespace: namespace,
 		Subsystem: subsystem,
 		Name:      "alert_queue_size",
 		Help:      "The size of alert queue.",
-	}, []string{})
+	})
 
 	// 数据转发队列，各个队列的长度
 	GaugeSampleQueueSize = prometheus.NewGaugeVec(prometheus.GaugeOpts{