i have question for
GPU FAN
in conf
-tt 56
-fanmin 20
-fanmax 80
but sometime i get info for all gpu .. 0 1 2 in miner
and often only gpu0 so miner only gpu0 is controling

bug or im doing someting wrong?
I never saw this situation in my rigs, probably is a bug. Try to open and close the miner 2-3 times to fix the right config.
It can be set per GPU, so I would try
-fanmin 20,18,20
-fanmax 80,75,82
but this is just a sample, replace "20,10,20" with what you want for GPU0, GPU1 & GPU2. Do the same thing for - fanmax and if you want all of them to be the same use "80,80,80" for example.