qq_62694304: 作者你好，在安装torchvision时下载速度很慢，最终报错：ERROR: Exception: Traceback (most recent call last): File "D:\Anaconda\lib\site-packages\pip\_vendor\urllib3\response.py", line 438, in _error_catcher yield File "D:\Anaconda\lib\site-packages\pip\_vendor\urllib3\response.py", line 519, in read data = self._fp.read(amt) if not fp_closed else b"" File "D:\Anaconda\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read data = self.__fp.read(amt) File "D:\Anaconda\lib\http\client.py", line 462, in read n = self.readinto(b) File "D:\Anaconda\lib\http\client.py", line 506, in readinto n = self.fp.readinto(b) File "D:\Anaconda\lib\socket.py", line 704, in readinto return self._sock.recv_into(b) File "D:\Anaconda\lib\ssl.py", line 1241, in recv_into return self.read(nbytes, buffer) File "D:\Anaconda\lib\ssl.py", line 1099, in read return self._sslobj.read(len, buffer) socket.timeout: The read operation timed out。 这是什么原因呢？