fix: 解决网站备份未被正确删除问题 (#4671)

[igophper]

Refs #4671

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Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[wanghe-fit2cloud]

感谢支持。

[ssongliu]

感谢贡献，这里问题不在这，暂时先关闭这个 pr 了