好的，这很合理。那么，我犯下的那个大错误是：重命名了 S3 存储桶，并误以为在管理后台更新存储桶名称就能解决所有问题。或许在管理后台编辑存储桶名称时添加一个警告会有所帮助。（我最初是在管理后台设置这些参数，后来才切换到使用环境变量，当时以为那样会有所帮助）显然，上传后更改存储桶名称会导致问题这一点并不明确。
我已将域名重新映射回正确的 AWS S3 域名：
DbHelper.remap("communitycdn.ortussolutions.com", "ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com")
[1] pry(main)> Upload.all.sample(10).pluck(:url)
=> ["//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/fc05f9be9b783479819fec68b1d8e493110007a4.cfc",
"/images/d-logo-sketch-small.png",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/50f0d6f260cdb4ef91e29023d92b46df096ab34e.cfc",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/65d80cddc6dc15b9a4d1b9e9d88cc9a8928c5316.png",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/a86aa2a12183428f3289caa95787ea16f22e2e4d.png",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/9f76b5238b147a60c8ad5f65bd7fa4bb6b58d852.png",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/6a4c9b992e6cd8a15ddeaec0d158ebd473164525.zip",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/3a532dec6390d5087ed6154fc0335c2c0f1ea543.zip",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/93420848249ecea2261d405e46f7f450cc02a3af.txt",
"//ortus-discourse-uploads.s3.dualstack.us-west-2.amazonaws.com/original/1X/d67c39e06ce624b9deb7625dd041d21cffd96df9.png"]
我已重新构建应用程序，现在正在重新烘焙帖子。希望第 37 次尝试能带来好运 