i can just enter cwm recovery mode and download mode but cannot do any format or inst topic

hi folks
my Samsung galaxy siii i9300 was running cyanogen mod 11 nighty built. i had put my phone in charging at night and when i waked up i found it with boot loop and stuck on Samsung logo!!! i can just enter cwm recovery mode and download mode but cannot do any format or installing!!! i did try installing philz recovery, another cm-11 nighty built, odin, adb shell method with no success!! any idea?!!

am using cwm recovery v6.0.5.1

Sent from my GT-I9300