主控检测已经安装，但是连接不上9999端口，我查看9999端口也没有程序占用
lsof -i:9999 没有任何输出

appnode agent status
● appnode-agent.service - AppNode Agent Server
Loaded: loaded (/usr/lib/systemd/system/appnode-agent.service; enabled; vendor preset: disabled)
Active: active (running) since 二 2019-03-26 15:04:41 CST; 15min ago
Main PID: 7378 (appnode-agent-s)
CGroup: /system.slice/appnode-agent.service
├─7378 /opt/appnode/agent/bin/appnode-agent-server
└─8701 lastb -Fwxai