PHPWIND用OSS插件出错

<Error>

<Code>AccessDenied</Code>

<span class="button collapse-button" style="user-select: none; cursor: pointer; display: inline-block; margin-left: -10px; width: 10px; background-image: url("data:image/svg+xml,"); background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; vertical-align: bottom; height: 10px;"><Message>You have no right to access this object because of bucket acl.</Message>
<RequestId>59E05162582062EAA92602DA</RequestId>
<HostId>upload.xiaowangluo.com</HostId>
</Error>


显示这个错误，看样子是没权限访问bucket。


我想咨询：


1、phpwind连接OSS，开私有或者公共读写是否有区别？是不是用了access key开私有就可以？
2、我用了access key连接，但是还是显示上述错误，是什么问题？没用子key