我这边的测试是能正常下载。您可以具体陈述，并附上日志吗。如果可能，可以附上您的 ~/.condarc。
$ wget https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/win-64/pytorch-1.8.1-py3.7_cuda10.2_cudnn7_0.tar.bz2 --2021-05-18 20:13:42-- https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/win-64/pytorch-1.8.1-py3.7_cuda10.2_cudnn7_0.tar.bz2 Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt' Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 2402:f000:1:408:8100::1, 101.6.8.193 Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|2402:f000:1:408:8100::1|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 900195167 (858M) [application/octet-stream] Saving to: ‘pytorch-1.8.1-py3.7_cuda10.2_cudnn7_0.tar.bz2’ pytorch-1.8.1-py3.7_cu 100%[=========================>] 858.49M 103MB/s in 8.0s 2021-05-18 20:13:50 (107 MB/s) - ‘pytorch-1.8.1-py3.7_cuda10.2_cudnn7_0.tar.bz2’ saved [900195167/900195167] -- GPG Fingerprint: 1127F188280AE3123619332987E17EEF9B18B6C9 -- 您收到此邮件是因为您订阅了 Google 网上论坛的“TUNA 主邮件列表”群组。 要退订此群组并停止接收此群组的电子邮件，请发送电子邮件到tuna-general+unsubscr...@googlegroups.com。 要在网络上查看此讨论，请访问 https://groups.google.com/d/msgid/tuna-general/YKOxMYfZGISmoic6%40Sun。
