# 升级失败 - 希望能通过 SSH 协助修复

**URL:** https://meta.discourse.org/t/upgrade-failed-could-use-some-help-to-try-and-fix-using-ssh/111869
**Category:** Support
**Created:** [2019年三月17日 20:57 UTC](https://meta.discourse.org/t/upgrade-failed-could-use-some-help-to-try-and-fix-using-ssh/111869 "2019-03-17T20:57:06Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)
#### Post date: [2019年三月17日 21:06 UTC](https://meta.discourse.org/t/upgrade-failed-could-use-some-help-to-try-and-fix-using-ssh/111869/2 "2019-03-17T21:06:51Z")

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Yes, do the `./launcher rebuild app` that _should_ do it. It will not blow away your data.

If you’d rather not to it yourself, please see [Automatic Rebuilds When You Need Them](https://meta.discourse.org/t/automatic-rebuilds-when-you-need-them/110775).

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