docker run -dt --name ss-server -p 6443:6443 -p 29900:29900/udp mritd/shadowsocks \
        -s "-s 0.0.0.0 -p 6443 -m rc4-md5 -k 123456 --fast-open" \
        -x -k " -l :29900 -t 127.0.0.1:6443 --key 123456 --mode fast2"