I tried to put allow ip to 0.0.0.0/0 for the client but I do not have internet connection when i connect to the wireguard server. So I put it as 0.0.0.0/1 as mentioned in this thread :https://www.tp-link.com/us/support/faq/3772/

Im trying to have full tunnel vpn, is there any way to set it 0.0.0.0/0?

Here's some of screenshot of my setup :