感谢您的帮助，这些配置我都看过了，我的kubernete的版本是Kubernetes v1.18.18
我的tidb-operator是v1.3.7，用的也是最新的crd，如下是我kubectl get crd的内容
NAME CREATED AT
alertmanagers.monitoring.coreos.com 2022-04-20T07:20:58Z
backingimagedatasources.longhorn.io 2022-08-13T12:32:48Z
backingimagemanagers.longhorn.io 2022-08-13T12:32:48Z
backingimages.longhorn.io 2022-08-13T12:32:48Z
backups.longhorn.io 2022-08-13T12:32:48Z
backups.pingcap.com 2022-08-14T03:55:22Z
backupschedules.pingcap.com 2022-08-14T03:55:22Z
backuptargets.longhorn.io 2022-08-13T12:32:48Z
backupvolumes.longhorn.io 2022-08-13T12:32:48Z
dmclusters.pingcap.com 2022-08-14T03:55:23Z
engineimages.longhorn.io 2022-08-13T12:32:48Z
engines.longhorn.io 2022-08-13T12:32:48Z
instancemanagers.longhorn.io 2022-08-13T12:32:48Z
nodes.longhorn.io 2022-08-13T12:32:48Z
prometheuses.monitoring.coreos.com 2022-04-20T07:20:58Z
prometheusrules.monitoring.coreos.com 2022-04-20T07:20:58Z
recurringjobs.longhorn.io 2022-08-13T12:32:48Z
replicas.longhorn.io 2022-08-13T12:32:48Z
restores.pingcap.com 2022-08-14T03:55:23Z
servicemonitors.monitoring.coreos.com 2022-04-20T07:20:58Z
settings.longhorn.io 2022-08-13T12:32:48Z
sharemanagers.longhorn.io 2022-08-13T12:32:48Z
tidbclusterautoscalers.pingcap.com 2022-08-14T03:55:23Z
tidbclusters.pingcap.com 2022-08-14T03:55:23Z
tidbinitializers.pingcap.com 2022-08-14T03:55:24Z
tidbmonitors.pingcap.com 2022-08-14T03:55:24Z
tidbngmonitorings.pingcap.com 2022-08-14T03:55:24Z
volumes.longhorn.io 2022-08-13T12:32:48Z