# 头像、站点徽标和证书错误

**URL:** <https://meta.discourse.org/t/avatar-site-logos-and-cert-errors/152335>\
**Category:** Self-hosting\
**Tags:** unsupported-install\
**Created:** [2020年五月22日 14:11 UTC](https://meta.discourse.org/t/avatar-site-logos-and-cert-errors/152335 "2020-05-22T14:11:36Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![itsbhanusharma](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/itsbhanusharma/32/180717_2.png) [@itsbhanusharma](https://meta.discourse.org/u/itsbhanusharma)\
**Post date:** [2020年五月22日 15:58 UTC](https://meta.discourse.org/t/avatar-site-logos-and-cert-errors/152335/10 "2020-05-22T15:58:46Z")

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除非您的反向代理配置有误，否则此处完全无需担心。

如果您不确定反向代理配置，请查看此配置并与您的配置进行比对：

> [@Add an offline page to display when Discourse is rebuilding or starting up](https://meta.discourse.org/t/adding-an-offline-page-when-rebuilding/45238):
>
> warning This guide is intended for advanced users, who are already using nginx outside the docker container. By following this guide you make your setup more complicated and will lose some speed benefits like HTTP2 if you’re not running Ubuntu 16.04 or later. Proceed with caution! When Discourse is rebuilding or starting up, your users will usually either see an error message from their browser… …or a not-so-nice 502 error message from Nginx: If you’re a perfectionist …

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