报这个错误怎么解决，求大佬！！

[songguowei]

PS E:\python\Douyin-Bot-master> python douyin-bot.py
检查设备是否连接...
Traceback (most recent call last):
File "douyin-bot.py", line 33, in
adb.test_device()
File "E:\python\Douyin-Bot-master\common\auto_adb.py", line 49, in test_device
if output[0].decode('utf8') == 'List of devices attached\n\n':
AttributeError: 'str' object has no attribute 'decode'
PS E:\python\Douyin-Bot-master>

[wank1r]

adb配置好了吗