为python3.8.1安装pyqt5时出现的问题

C:\Users\86135>pip install pyqt5
Collecting pyqt5
Downloading https://files.pythonhosted.org/packages/46/83/7c27aec708a1eb12812a0b985eb42eebfe3bb87e294cdca1c4af308d2fa9/PyQt5-5.14.1-5.14.1-cp35.cp36.cp37.cp38-none-win_amd64.whl (53.1MB)
| | 204kB 6.2kB/s eta 2:22:38ERROR: Exception:

Traceback (most recent call last):
File “d:\python\python38\lib\site-packages\pip_vendor\urllib3\response.py”, line 397, in _error_catcher
yield
File “d:\python\python38\lib\site-packages\pip_vendor\urllib3\response.py”, line 479, in read
data = self._fp.read(amt)
File “d:\python\python38\lib\site-packages\pip_vendor\cachecontrol\filewrapper.py”, line 62, in read
data = self.__fp.read(amt)
File “d:\python\python38\lib\http\client.py”, line 454, in read
n = self.readinto(b)
File “d:\python\python38\lib\http\client.py”, line 498, in readinto
n = self.fp.readinto(b)
File “d:\python\python38\lib\socket.py”, line 669, in readinto
return self._sock.recv_into(b)
File “d:\python\python38\lib\ssl.py”, line 1241, in recv_into
return self.read(nbytes, buffer)
File “d:\python\python38\lib\ssl.py”, line 1099, in read
return self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out
各位这是怎么回事？？？