Update anniversary.go

cron/cp_cron/anniversary.go

@@ -28,6 +28,9 @@ func CpAnniversaryNotice() {
 	_ = c.AddFunc(spec, func() {
 		var model = domain.CreateModelNil()
 		anniversary := cp_m.GetNeedRemindCpAnniversary(model)
+		if len(anniversary) <= 0 {
+			return
+		}
 		var userIds []uint64
 		for _, v := range anniversary {
 			userIds = append(userIds, v.UserId1)