OpenVPn client block internet

hi

i have configure my GL-AR150 with an openvpn Client
all its ok ( see pictures joined)
vpn

i can join and ping my open VPN server

AS i can ping my openvpn server i dont understand why i cant access to internet !!

if i stop my Vpn client , internet --> OK

is it an error in my ovpn file ? route ? *

thanks for your reply

How about the DNS settings?

Which vpn service provider are you using? Do they allow external dns resolving?