unit2006

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![image](https://user-images.githubusercontent.com/37095235/105274694-a426c580-5bd8-11eb-9dc6-b179fb7e989a.png) 1. 修改device.py: p = subprocess.Popen(*args, **kwargs) 修改为: p = subprocess.Popen(*args, **kwargs,shell=True) 2. 重新执行:python main.py --server 10.252.25.198:4000