Couldn't resolve host name

[KollenHub]

[2026-04-17 22:41:56.970] [info] [1274838] Upload progress [/mapdata/data/disk_output/hxsy_output/tile_mapping/15_-25/bce6a643054b5e1daa1b02e52503ad7b]: 80% (355/443) success=9 uploaded=1 skipped=8 failed=346
[2026-04-17 22:41:56.970] [error] [1274866] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.970] [error] [1274835] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.970] [error] [1274849] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.970] [error] [1274885] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274838] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274866] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274835] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274849] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274885] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274838] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274866] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
[2026-04-17 22:41:56.971] [error] [1274835] UploadFile failed: TosClientError: {message=curlCode: 6, Couldn't resolve host name}
为什么当我上传很多数据的时候，是火山云 TOS的API不支持并发上传吗，会出现这个问题，只能成功一小部分