[Bug] 备份功能有问题，备份文件上传失败

[542474846]

前置检查

• 我已搜索过 已有 Issues 没有找到重复
• 我已阅读 README 的部署 / 配置章节
• 我尝试过最新版本(docker pull 拉最新 image),问题仍在

问题简述

备份功能运行失败，备份文件上传失败

复现步骤

点击立即备份后出现

预期行为

应该正常完成备份

实际行为

备份失败

部署方式

Docker(官方镜像 ghcr.io / docker hub)

BeeCount Cloud 版本

v1.6.2

浏览器 / Web 版本

No response

移动端 App 版本(若涉及跨端同步)

No response

日志 / 截图

JianGuoYun: ObjectNotFound: 404 Not Found","object":"20260807-172252.1.zip","objectType":"*local.Object","source":"operations/operations.go:538","time":"2026-08-07T17:23:22.880228+08:00"} {"level":"error","msg":"Attempt 3/3 failed with 1 errors and: The resource of this location does not exist: ObjectNotFound: 404 Not Found","source":"cmd/cmd.go:283","time":"2026-08-07T17:23:22.880277+08:00"} 2026/08/07 17:23:22 Failed to copyto: The resource of this location does not exist: ObjectNotFound: 404 Not Found

[2026-08-07T09:22:52.675436+00:00] backup start, run=2 label=20260807-172252 remotes=['JianGuoYun']
[2026-08-07T09:22:52.675859+00:00] VACUUM INTO ...
[2026-08-07T09:22:53.075187+00:00] hardlink failed ([Errno 18] Invalid cross-device link: '/data/attachments/fc1e8e94-827e-4c92-bb04-310fef0de050/e6f4f9b3-83dc-474f-b2f3-568e16997e1c/02/dda5773f6dc24661a6b972dd6f3d8517_scaled_1000107638.png' -> 'data/backup-staging/work-2/attachments/fc1e8e94-827e-4c92-bb04-310fef0de050/e6f4f9b3-83dc-474f-b2f3-568e16997e1c/02/dda5773f6dc24661a6b972dd6f3d8517_scaled_1000107638.png'), fallback to copytree
[2026-08-07T09:22:53.097083+00:00] included .jwt_secret
[2026-08-07T09:22:53.233159+00:00] build encrypted zip for JianGuoYun -> 20260807-172252.1.zip

其他补充(非必填)