update

core.go

@@ -469,8 +469,10 @@ func (th *TimeArrowHelper) GetHitTimeArrow(t time.Time, group string, expandTags
 	defer func() {
 		log.Println("GetHitTimeArrow耗时:", time.Since(startTime))
 	}()
-
+	dataStartTime := time.Now()
 	ta, err := th.GetData(group)
+	dataEndTime := time.Now()
+	log.Println("GetData耗时:", dataEndTime.Sub(dataStartTime))
 	if err != nil {
 		return nil, err
 	}