diff --git a/metric/prometheus.go b/metric/prometheus.go
index d1adc902..ba3cb3e8 100644
--- a/metric/prometheus.go
+++ b/metric/prometheus.go
@@ -28,14 +28,15 @@ import (
 
 func PrometheusMiddleWare(next http.Handler) http.Handler {
 	summaryVec := prometheus.NewSummaryVec(prometheus.SummaryOpts{
-		Name:      beego.BConfig.AppName,
+		Name:      "beego",
 		Subsystem: "http_request",
 		ConstLabels: map[string]string{
-			"server": beego.BConfig.ServerName,
-			"env":    beego.BConfig.RunMode,
+			"server":  beego.BConfig.ServerName,
+			"env":     beego.BConfig.RunMode,
+			"appname": beego.BConfig.AppName,
 		},
 		Help: "The statics info for http request",
-	}, []string{"pattern", "method", "status"})
+	}, []string{"pattern", "method", "status", "duration"})
 
 	prometheus.MustRegister(summaryVec)
 
@@ -68,5 +69,6 @@ func report(dur time.Duration, writer http.ResponseWriter, q *http.Request, vec
 	} else {
 		logs.Warn("we can not find the router info for this request, so request will be recorded as UNKNOWN: " + q.URL.String())
 	}
-	vec.WithLabelValues(ptn, q.Method, strconv.Itoa(status)).Observe(float64(dur / time.Millisecond))
+	ms := dur / time.Millisecond
+	vec.WithLabelValues(ptn, q.Method, strconv.Itoa(status), strconv.Itoa(int(ms))).Observe(float64(ms))
 }