The automatic backup is set to once a second. The Operator container reports an error

[qianfen2021]

Describe the problem

The automatic backup is set to once a second. The Operator container reports an error ，the error：

2022-09-06T10:03:48.000+0800 ERROR controller-runtime.manager.controller.mysqlcluster.controllers.backupCronJob failed getting backups {"reconciler group": "mysql.radondb.com", "reconciler kind": "MysqlCluster", "name": "sample", "namespace": "default", "selector": {"LabelSelector":[{},{}],"FieldSelector":{},"Namespace":"default","Limit":0,"Continue":"","Raw":null}, "error": "Index with name field:status.completed does not exist"}
github.com/radondb/radondb-mysql-kubernetes/backup.(*CronJob).Run
/workspace/backup/cronbackup.go:44
github.com/wgliang/cron.(*Cron).runWithRecovery
/go/pkg/mod/github.com/wgliang/[email protected]/cron.go:251

To Reproduce

1.The automatic backup is set to once a second
2.create mysql cluster

Expected behavior

Environment:

• RadonDB MySQL version:2.2.1