There is a permission file problem on nodebb/build/public
After change permission and rebuild, it's ok now
Thanks @baris
http://prntscr.com/jzjkvo
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1186:14), code=ETIMEDOUT, errno=ETIMEDOUT, syscall=connect, address=159.203.9.60, port=443