参考：
https://www.youtube.com/watch?v=lPBYH5hiojY
https://github.com/k4m4/onioff
cd /tmp
git clone https://github.com/k4m4/onioff
cd onioff
sudo pip install -r requirements.txt
python onioff.py -h
service tor start
python onioff.py -f onion.txt -o output.txt
#自动检测onion里面的暗网链接是否正常，然后把结果输出到output里面
onion.txt