code refactor

src/server/engine/mute.go

@@ -30,9 +30,8 @@ func matchMute(event *models.AlertCurEvent, mute *models.AlertMute, clock ...int
 	if ts < mute.Btime || ts > mute.Etime {
 		return false
 	}
-	tg := event.TagsMap
-	tg["rulename"] = event.RuleName
-	return matchTags(tg, mute.ITags)
+
+	return matchTags(event.TagsMap, mute.ITags)
 }
 
 func matchTag(value string, filter models.TagFilter) bool {

src/server/engine/worker.go

@@ -294,6 +294,8 @@ func (r RuleEval) judge(vectors []conv.Vector) {
 			tagsMap[arr[0]] = arr[1]
 		}
 
+		tagsMap["rulename"] = r.rule.Name
+
 		// handle target note
 		targetIdent, has := vectors[i].Labels["ident"]
 		targetNote := ""