/usr/bin/ss-server[21116]: getpeername: Transport endpoint is not connected

[Borne912]

my shadowsocks don‘t work，the error as follow：
● shadowsocks-libev.service - Shadowsocks-libev Default Server Service
Loaded: loaded (/lib/systemd/system/shadowsocks-libev.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2022-03-24 16:37:00 CST; 1min 11s ago
Docs: man:shadowsocks-libev(8)
Main PID: 21116 (ss-server)
Tasks: 2 (limit: 1174)
CGroup: /system.slice/shadowsocks-libev.service
├─21116 /usr/bin/ss-server -c /etc/shadowsocks-libev/config.json -u
└─21120 obfs-server

Mar 24 16:38:03 CNMKY /usr/bin/ss-server[21116]: getpeername: Transport endpoint is not connected
Mar 24 16:38:03 CNMKY /usr/bin/ss-server[21116]: fast_open_connect: Network is unreachable
what should I do？Please help me.