服务器是 Mac 本，Xcode 9.2 版本，最新的 Macaca 版本，启动 Macaca 服务，我这里运行三天后，手机连接服务异常：

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/urllib3/connectionpool.py", line 601, in urlopen
    chunked=chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/urllib3/connectionpool.py", line 387, in _make_request
    six.raise_from(e, None)
  File "<string>", line 2, in raise_from
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/urllib3/connectionpool.py", line 383, in _make_request
    httplib_response = conn.getresponse()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 1174, in getresponse
    response.begin()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 282, in begin
    version, status, reason = self._read_status()
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 251, in _read_status
    raise RemoteDisconnected("Remote end closed connection without"
http.client.RemoteDisconnected: Remote end closed connection without response

有人碰到过这样的问题吗？如何解决的？