diff --git a/service/alerting/util/period_test.go b/service/alerting/util/period_test.go
index d72f06e4..ddc1370b 100644
--- a/service/alerting/util/period_test.go
+++ b/service/alerting/util/period_test.go
@@ -9,7 +9,7 @@ import (
 
 func TestGetMonitorPeriod(t *testing.T) {
 	now := time.Now()
-	periods := GetMonitorPeriod(&now, &alerting.Schedule{
+	periods := GetMonitorPeriod(now, &alerting.Schedule{
 		Cron: &alerting.Cron{
 			Expression: "0 0 1 */1 *",
 		},
@@ -19,4 +19,4 @@ func TestGetMonitorPeriod(t *testing.T) {
 		//},
 	})
 	fmt.Println(periods)
-}
\ No newline at end of file
+}