Eu resetei todos os HTMLs do hotspot pro arquivo radvert original voltasse, ai nesse arquivo eu somente traduzi oq tem escrito lá, e criei o arquivo aviso.html e block.html, o radvert realmente aparece na pagina, agora o aviso e block vem em pop-up!
ip hotspot user profile
set Wireless name="Wireless" idle-timeout=none keepalive-timeout=2m status-autorefresh=1m shared-users=1 \
transparent-proxy=no
add name="Atrazo" idle-timeout=none keepalive-timeout=20s status-autorefresh=1m shared-users=unlimited \
transparent-proxy=yes open-status-page=always advertise=yes \
advertise-url=http://auth.meganet.com.br/aviso.html,http://auth.meganet.com.br/aviso.html advertise-interval=20m \
advertise-timeout=immediately
add name="cortado" session-timeout=1m idle-timeout=none keepalive-timeout=20s status-autorefresh=1m shared-users=unlimited \
rate-limit="15k/15k" transparent-proxy=yes open-status-page=http-login advertise=yes \
advertise-url=http://auth.meganet.com.br/block.html,http://auth.meganet.com.br/block.html advertise-interval=1s,1s \
advertise-timeout=immediately