### 修改PV信息

```
kubectl edit pv PVNAME
# 找到如下内容并删除，共7行
#  claimRef:
#    apiVersion: v1
#    kind: PersistentVolumeClaim
#    name: data-apisix-etcd-1
#    namespace: arexpert
#    resourceVersion: "15491"
#    uid: 050108cd-ba8e-4f2f-9345-dbca90a43c85
```