你查下这个文件存不存在先
https://oss-cn-hangzhou.aliyuncs.com/hetu-cloud/tidb-backup-yc-20260302/13/1100637_6105_0f5cff194260667f0b7fade3b3b821afa115df5581d1ff07cd3977b0b9227c64_1772463242330_default.sst