Python requests请求问题

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写了一个从学校服务器拿相关数据的请求，API调用起来特别慢，本地物理机测试平均要一分钟半的时间，问题就在这个请求上，本地调用能拿到返回结果，但部署到Docker容器里或阿里云主机上都是没办法拿，显示以下报错，Timeout也设置了，基本没有效果。求大佬解答问到底哪出了问题。

已连接到 pydev 调试器(内部版本号 211.7442.45)Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 169, in _new_conn
    conn = connection.create_connection(
  File "/usr/local/lib/python3.9/site-packages/urllib3/util/connection.py", line 96, in create_connection
    raise err
  File "/usr/local/lib/python3.9/site-packages/urllib3/util/connection.py", line 86, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 699, in urlopen
    httplib_response = self._make_request(
  File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 394, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 234, in request
    super(HTTPConnection, self).request(method, url, body=body, headers=headers)
  File "/usr/local/lib/python3.9/http/client.py", line 1257, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/local/lib/python3.9/http/client.py", line 1303, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.9/http/client.py", line 1252, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.9/http/client.py", line 1012, in _send_output
    self.send(msg)
  File "/usr/local/lib/python3.9/http/client.py", line 952, in send
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 200, in connect
    conn = self._new_conn()
  File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 181, in _new_conn
    raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0xffff80189f10>: Failed to establish a new connection: [Errno 111] Connection refused
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/requests/adapters.py", line 439, in send
    resp = conn.urlopen(
  File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 755, in urlopen
    retries = retries.increment(
  File "/usr/local/lib/python3.9/site-packages/urllib3/util/retry.py", line 574, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='service.xxx.cn', port=8188): Max retries exceeded with url: /cassyno/index (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0xffff80189f10>: Failed to establish a new connection: [Errno 111] Connection refused'))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/requests/api.py", line 61, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/requests/sessions.py", line 542, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.9/site-packages/requests/sessions.py", line 655, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/requests/adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='service.xxx.cn', port=8188): Max retries exceeded with url: /cassyno/index (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0xffff80189f10>: Failed to establish a new connection: [Errno 111] Connection refused'))
python-BaseException