你好，我正在尝试使用一些需要pytorch的python程序，当尝试使用命令安装它时

pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu118

这是我得到的错误

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x00000183D80F60B0>: Failed to establish a new connection: [Errno 11002] getaddrinfo failed')': /whl/cu118/torch/                                                     
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x00000183D80F63E0>: Failed to establish a new connection: [Errno 11002] getaddrinfo failed')': /whl/cu118/torch/                                                     
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x00000183D80F6590>: Failed to establish a new connection: [Errno 11002] getaddrinfo failed')': /whl/cu118/torch/                                                     
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x00000183D80F6740>: Failed to establish a new connection: [Errno 11002] getaddrinfo failed')': /whl/cu118/torch/                                                     
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x00000183D80F68F0>: Failed to establish a new connection: [Errno 11002] getaddrinfo failed')': /whl/cu118/torch/                                                     
ERROR: Could not find a version that satisfies the requirement torch (from versions: none)                              ERROR: No matching distribution found for torch                                                                         WARNING: There was an error checking the latest version of pip.

我可以通过使用vpn解决这个问题，但问题是pytorch是一个非常大的包，它不断被中断，我必须一次又一次地从头开始，所以我需要一种方法来下载软件包手动下载管理器支持下载恢复，并想知道如何才能做到这一点，因为我是一个noob当谈到python谢谢。