# 建议主题如何运作？
**URL:** https://meta.discourse.org/t/how-suggested-topic-does-it-work/171469
**Category:** Support
**Tags:** suggested-topics
**Created:** [2020年十一月27日 07:40 UTC](https://meta.discourse.org/t/how-suggested-topic-does-it-work/171469 "2020-11-27T07:40:13Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Bcat](https://meta.discourse.org/u/Bcat)
#### Post date: [2020年十一月27日 07:40 UTC](https://meta.discourse.org/t/how-suggested-topic-does-it-work/171469/1 "2020-11-27T07:40:13Z")
每篇帖子底部会有一个主题列表。
我注意到这里的大多数文章与当前主题不太相关，因此相关主题的点击量非常低。
那么“推荐主题”是如何工作的呢？
是从当前帖子的标题还是内容中提取字符串？
我见过相关的 SQL 代码，但没见到过这样的查询。
目前，我是手动为每个主题添加主要关键词，然后利用这个关键词搜索引擎来查找相关文章。
> 主题使用 UTF-8 编码
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### Author:  [@osioke](https://meta.discourse.org/u/osioke)
#### Post date: [2020年十一月27日 08:21 UTC](https://meta.discourse.org/t/how-suggested-topic-does-it-work/171469/2 "2020-11-27T08:21:46Z")
查看
> [@How does Discourse determine what Suggested Topics to show?](https://meta.discourse.org/t/how-does-discourse-determine-what-suggested-topics-to-show/125805/2?u=osioke):
>
> The Suggested Topics list will show any unread topics that you are watching or tracking that are less than 90 days old. If there are fewer than 5 unread topics in the list, random topics that are less than 365 days old will be appended to the list. The Suggested Topics list first tries to load topics from the same category as the topic you are currently reading. If there are less than 5 topics from the category that can be added to the list, topics from other categories will be chosen. You can …
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### Author:  [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [2020年十一月28日 06:28 UTC](https://meta.discourse.org/t/how-suggested-topic-does-it-work/171469/3 "2020-11-28T06:28:14Z")