with this code it's working perfectly ! Thanks a lot guy !

But if a channel has a password how can i put the password in the code ? ...
on *:START:{
server irc.rizon.net
server -m irc.ogamenet.net
}
on *:CONNECT:{
if (Rizon isin $network) {
msg NickServ IDENTIFY pass
join #GrosCuls,#eFrance,#famille-en-chocolat,#laroulotteroumaine,#minsol
}
if (OnlineGamesNet isin $network) {
AuthServ auth ouraios pass
join #ogame.fr,#fr.uni64
}
}