python -muiautomator2 init最后一步报错是怎么回事？

[chenabc1]

(venv) root@nd:/home/nd/cym/h5/atx# python -m uiautomator2 init --verbose
2018-04-19 13:08:02,050 - main.py:274 - INFO - Detect pluged devices: [u'b937d8fc']
2018-04-19 13:08:02,050 - main.py:291 - INFO - Device(b937d8fc) initialing ...
2018-04-19 13:08:02,384 - main.py:109 - DEBUG - install minicap.so
2018-04-19 13:08:02,385 - main.py:70 - DEBUG - file 'minicap.so' cached before
2018-04-19 13:08:02,527 - main.py:113 - INFO - install minicap
2018-04-19 13:08:02,527 - main.py:70 - DEBUG - file 'minicap' cached before
2018-04-19 13:08:02,763 - main.py:120 - INFO - install minitouch
2018-04-19 13:08:02,763 - main.py:70 - DEBUG - file 'minitouch' cached before
2018-04-19 13:08:03,241 - main.py:137 - INFO - apk(1.0.12) already installed, skip
2018-04-19 13:08:03,331 - main.py:175 - INFO - atx-agent(0.3.0) already installed, skip
2018-04-19 13:08:03,517 - main.py:212 - INFO - launch atx-agent daemon
2018-04-19 13:08:03,661 - main.py:219 - DEBUG - forward device(port:7912) -> 50396
2018-04-19 13:08:05,679 - main.py:243 - ERROR - failure

[codeskyblue]

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