# 尽管设置了 DISCOURSE\_ENABLE\_CORS: true，但没有出现 'Access-Control-Allow-Origin' 标头

**URL:** https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398
**Category:** Support
**Created:** [2021年十月28日 13:44 UTC](https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398 "2021-10-28T13:44:00Z")
**Posts on this page:** 1
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### Author: ![xprmnts](https://avatars.discourse-cdn.com/v4/letter/x/4af34b/32.png) [@xprmnts](https://meta.discourse.org/u/xprmnts)
#### Post date: [2021年十月28日 13:58 UTC](https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398/4 "2021-10-28T13:58:38Z")

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对于我们的单站点设置，在 .yml 中设置 origin 与在管理界面中设置应产生相同的效果，详见：[What is the purpose of Settings -\> Security -\> CORS origins vs similar environment setting?](https://meta.discourse.org/t/what-is-the-purpose-of-settings-security-cors-origins-vs-similar-environment-setting/35331)

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