diff --git a/core.go b/core.go
index a31b9f2..7b3cc88 100644
--- a/core.go
+++ b/core.go
@@ -465,6 +465,11 @@ func (th *TimeArrowHelper) CallHitTimeArrow(t time.Time, group string, call func
 }
 
 func (th *TimeArrowHelper) GetHitTimeArrow(t time.Time, group string, expandTags ...string) (*TimeArrow, error) {
+	startTime := time.Now()
+	defer func() {
+		log.Println("GetHitTimeArrow耗时:", time.Since(startTime))
+	}()
+
 	ta, err := th.GetData(group)
 	if err != nil {
 		return nil, err