使用你的命令测试还是一样的结果：
[2025/11/07 09:47:25.119 +08:00] [INFO] [collector.go:77] ["Full Backup failed summary"] [total-ranges=0] [ranges-succeed=0] [ranges-failed=0]
Error: error occurred when checking backupmeta file: RequestError: send request failed
caused by: Head "https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/backup-data/snapshot-20251107094019/backupmeta": read tcp 10.207.38.40:40656->106.14.228.174:443: read: connection reset by peer
日志详情是：
[2025/11/07 09:40:22.360 +08:00] [INFO] [s3.go:425] ["succeed to get bucket region from s3"] ["bucket region"=oss-cn-shanghai]
[2025/11/07 09:40:22.397 +08:00] [WARN] [s3.go:1176] ["failed to request s3, retrying"] [error="RequestError: send request failed\ncaused by: Get \"https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/?object-lock=\": read tcp 10.207.38.40:40614->106.14.228.174:443: read: connection reset by peer"] [backoff=1.931033146s]
[2025/11/07 09:40:23.102 +08:00] [INFO] [pd.go:430] ["adaptive update ts interval state transition"] [configuredInterval=2s] [prevAdaptiveUpdateInterval=2s] [newAdaptiveUpdateInterval=2s] [requiredStaleness=0s] [prevState=unknown(0)] [newState=normal]
[2025/11/07 09:40:23.605 +08:00] [INFO] [manager.go:318] ["revoke session"] ["owner info"="[log-backup] /tidb/br-stream/owner ownerManager c624004a-8606-49d7-b12b-6579bdbb48c4"] [error="rpc error: code = Canceled desc = grpc: the client connection is closing"]
[2025/11/07 09:40:24.686 +08:00] [WARN] [s3.go:1176] ["failed to request s3, retrying"] [error="RequestError: send request failed\ncaused by: Get \"https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/?object-lock=\": read tcp 10.207.38.40:40616->106.14.228.174:443: read: connection reset by peer"] [backoff=3.281223942s]
[2025/11/07 09:40:27.988 +08:00] [WARN] [s3.go:1176] ["failed to request s3, retrying"] [error="RequestError: send request failed\ncaused by: Get \"https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/?object-lock=\": read tcp 10.207.38.40:40618->106.14.228.174:443: read: connection reset by peer"] [backoff=4.003288736s]
[2025/11/07 09:40:32.013 +08:00] [WARN] [s3.go:1176] ["failed to request s3, retrying"] [error="RequestError: send request failed\ncaused by: Get \"https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/?object-lock=\": read tcp 10.207.38.40:40620->106.14.228.174:443: read: connection reset by peer"] [backoff=14.09269068s]