Unhappy I`m stock in fastboot...Please help me..

i use F340S
and i erase system files by mistake....
when i turn on my Flex, LG logo is on and green light is on at notification light, also at computer The device is being recognized to use LG FLASH TOOL.
But Unfortunately, I can`t fined .TOT,.DLL file for my F340S ...


when i try to enter CWMrecovery it just enter Fastboot mode.....ㅠㅠㅠ

what can i do ...

PLEASE HELP ME!!!!!!!!!!!!!!!!


sorry for my bad English ability