diff --git a/cron.go b/cron.go
index 10c69ff..29cbdd9 100644
--- a/cron.go
+++ b/cron.go
@@ -11,7 +11,7 @@ import (
 func startCron() *cron.Cron {
 	c := cron.New(cron.WithLocation(time.UTC))
 	c.AddFunc("15 0,8,16 * * *", cronSendWarReport)
-	c.AddFunc("@every 1min", cronSendWarReport)
+	c.AddFunc("@every 1m", cronSendWarReport)
 	c.Start()
 	return c
 }