diff --git a/prometheus/main.go b/prometheus/main.go
index 77ce15b..8df1df4 100644
--- a/prometheus/main.go
+++ b/prometheus/main.go
@@ -30,17 +30,19 @@ func init() {
 				return
 			}
 
-            contentTag := request.Status
-            if len(request.Alerts.Firing()) > 0 {
-                contentTag += ":" + len(request.Alerts.Firing())
+            firingAlerts := len(request.Alerts.Firing())
+            if firingAlerts > 0 {
+                content := fmt.Sprintf("[%s:%d] %s", request.Status, firingAlerts, strings.Join(request.CommonAnnotations.Values()," "))
+            } else {
+                content := fmt.Sprintf("[%s] %s", request.Status, strings.Join(request.CommonAnnotations.Values()," "))
             }
             
-            content := fmt.Sprintf("[%s] %s", contentTag, strings.Join(request.CommonAnnotations.Values()," "))
+
             logger = logger.WithField("body", content)
 
 			ok := false
 			for _, hook := range hooks {
-				if request.Payload.VCSURL != hook.Secret {
+				if request.ExternalURL != hook.Secret {
 					continue
 				}
 				logger.Infof("run hook")