Home can't find homebridge after entering in code

Hi all.
When I put the code into home, it just keeps trying to connect but never can.
I tried restarting and then upgrading but i still get the still same problem.
anyone got any ideas?

rebuilt whole server and it works now

我来自中国 翻墙来看你们 你可以尝试从启设备试试 从启启动 homebridge