==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9
- Deployed with iRedMail Easy or the downloadable installer? downladable isntaller
- Linux/BSD distribution name and version: Centos 7
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? iRedAdmin-Pro-LDAP-3.6
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
504 Gateway Time-out when accessing iredadmin page,i followed some iredmaiil forrum topics and stoped uwsgi,killed all other uwsgi process left and restarted uwsgi service,the error changed to  502 Bad Gateway

on nginx error log below is what i get

2019/05/14 10:13:26 [error] 29364#0: *332 connect() failed (111: Connection refused) while connecting to upstream, client: 41.221.1.8, server: servername, request: "GET /iredadmin HTTP/1.1", upstream: "uwsgi://127.0.0.1:7791", host: "servername

Please assist