# 未安装子域时无法正常工作

**URL:** https://meta.discourse.org/t/installation-without-subdomain-not-working/241399
**Category:** Self-hosting
**Created:** [2022年十月9日 13:54 UTC](https://meta.discourse.org/t/installation-without-subdomain-not-working/241399 "2022-10-09T13:54:39Z")
**Posts on this page:** 2
**Page:** 2

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### Author: ![Stephen](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stephen/32/95011_2.png) [@Stephen](https://meta.discourse.org/u/Stephen)
#### Post date: [2022年十月12日 12:28 UTC](https://meta.discourse.org/t/installation-without-subdomain-not-working/241399/24 "2022-10-12T12:28:47Z")

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Let’s Encrypt 不会替换现有证书，只要生成它的请求与当前证书的内容匹配。如果您更改主机名或修改请求以添加备用名称，它_将_替换它。

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### Author: ![system](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/system/32/443519_2.png) [@system](https://meta.discourse.org/u/system)
#### Post date: [2022年十一月11日 12:28 UTC](https://meta.discourse.org/t/installation-without-subdomain-not-working/241399/25 "2022-11-11T12:28:58Z")

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