eldritch knight

[Mage keeper]

guys is there a prestige class that give proficience with martial weapon and advance arcane caster level i need just for 1 level

[grarrrg]

guys is there a prestige class that give proficience with martial weapon and advance arcane caster level i need just for 1 level

There is not.
The closest is Hellknight Signifier, and they only gain "deity's favored weapon and Heavy armor" (and you need Medium armor prof. to enter, so it's usually a wash).

[Psyren]

Not in Pathfinder - 3.5 has Dragonslayer, you could ask your DM to let you use that.