i have two problems

1. i'm under twm. and install fcitx with the hlep wiki.but it doesn't work.
2.ethernet can not connected by dhcpcd that was the message :(with :dhcpcd enp8s0 )
dhcpcd[1313]: version 6.3.2 starting
dhcpcd[1313]: DUID 00:01:00:01:1b:14:95:e9:7c:05:07:22:e2:e2
dhcpcd[1313]: enp8s0: IAID 07:22:e2:e2
dhcpcd[1313]: enp8s0: soliciting an IPv6 router
dhcpcd[1313]: enp8s0: soliciting a DHCP lease
dhcpcd[1313]: enp8s0: no IPv6 Routers available
dhcpcd[1313]: timed out
dhcpcd[1313]: exited
____________________________________________________________
(use dhcpcd --noipv6)
dhcpcd[1454]: version 6.3.2 starting
dhcpcd[1454]: DUID 00:01:00:01:1b:14:95:e9:7c:05:07:22:e2:e2
dhcpcd[1454]: enp8s0: IAID 07:22:e2:e2
dhcpcd[1454]: enp8s0: soliciting a DHCP lease
ddhcpcd[1454]: timed out
dhcpcd[1454]: exited
_____________________________________________________________
I just want to cry . who give me a shoulder