# 如何使用 launcher 重建应用

**URL:** https://meta.discourse.org/t/how-to-use-launcher-rebuild-app/331979
**Category:** Self-hosting
**Created:** [2024年十月21日 21:15 UTC](https://meta.discourse.org/t/how-to-use-launcher-rebuild-app/331979 "2024-10-21T21:15:30Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![vel](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/vel/32/139546_2.png) [@vel](https://meta.discourse.org/u/vel)
#### Post date: [2024年十月21日 21:15 UTC](https://meta.discourse.org/t/how-to-use-launcher-rebuild-app/331979/1 "2024-10-21T21:15:31Z")

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继续讨论 [502 网关错误已持续约 4 小时](https://meta.discourse.org/t/502-bad-gateway-error-for-around-4-hours-now/325277/2)：

> [@nwnuyhs](#):
>
> ./launcher rebuild app

我也遇到了 502 网关错误。

如何使用此命令：

`./launcher rebuild app`

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### Author: ![vel](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/vel/32/139546_2.png) [@vel](https://meta.discourse.org/u/vel)
#### Post date: [2024年十月21日 22:27 UTC](https://meta.discourse.org/t/how-to-use-launcher-rebuild-app/331979/2 "2024-10-21T22:27:57Z")

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我的主机有一个在线终端，我可以在其中运行此命令。

更多信息请参阅：

> [@Getting a more descriptive error message from my instance](https://meta.discourse.org/t/getting-a-more-descriptive-error-message-from-my-instance/331980/9?u=vel):
>
> Rebuilding worked. Took about one hour. Site is back. My host had an online terminal feature that I was able to use to rebuild.

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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: [2024年十一月20日 22:28 UTC](https://meta.discourse.org/t/how-to-use-launcher-rebuild-app/331979/3 "2024-11-20T22:28:25Z")

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