python用pip安装django报错，请问如何解决

Question

ERROR: Exception:Traceback (most recent call last):  File "d:\xunihuanjing\first\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcher    yield  File "d:\xunihuanjing\first\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in read    data = self._fp.read(amt) if not fp_closed else b""  File "d:\xunihuanjing\first\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 outDuring handling of the above exception, another exception occurred:Traceback (most recent call last):  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\cli\base_command.py", line 153, in _main    status = self.run(options, args)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\commands\install.py", line 382, in run    resolver.resolve(requirement_set)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\legacy_resolve.py", line 201, in resolve    self._resolve_one(requirement_set, req)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\legacy_resolve.py", line 365, in _resolve_one    abstract_dist = self._get_abstract_dist_for(req_to_install)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\legacy_resolve.py", line 312, in _get_abstract_dist_for    abstract_dist = self.preparer.prepare_linked_requirement(  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\operations\prepare.py", line 191, in prepare_linked_requirement    unpack_url(  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 459, in unpack_url    unpack_http_url(  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 312, in unpack_http_url    from_path, content_type = _download_http_url(link,  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 551, in _download_http_url    _download_url(resp, link, content_file, hashes, progress_bar)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 253, in _download_url    hashes.check_against_chunks(downloaded_chunks)  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\utils\hashes.py", line 80, in check_against_chunks    for chunk in chunks:  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 223, in written_chunks    for chunk in chunks:  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\utils\ui.py", line 160, in iter    for x in it:  File "d:\xunihuanjing\first\lib\site-packages\pip\_internal\download.py", line 188, in resp_read    for chunk in resp.raw.stream(  File "d:\xunihuanjing\first\lib\site-packages\pip\_vendor\urllib3\response.py", line 564, in stream    data = self.read(amt=amt, decode_content=decode_content)  File "d:\xunihuanjing\first\lib\site-packages\pip\_vendor\urllib3\response.py", line 529, in read    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)  File "d:\python\python38\Lib\contextlib.py", line 131, in __exit__    self.gen.throw(type, value, traceback)  File "d:\xunihuanjing\first\lib\site-packages\pip\_vendor\urllib3\response.py", line 430, in _error_catcher    raise ReadTimeoutError(self._pool, None, "Read timed out.")pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.