thank, finally i follow instructions of this thread https://ipcamtalk.com/threads/hikvis-ds-7608n-e2-8p-bricked-after-firmware-update.12845/ and also i use cross cable for TFTP ;)
I use the attached Files from "Hitesh" and i success to unbrick and update my NVR in 3.4.6 :)
Thanks for all yours...