My Copter just crash with pixhawk mini (PX4 Flight stack)

Please help me. My hex-copter with pixhawk mini flight controller crash today.
I take off with stabilize mode, and the copter just go away. The roll, pitch and flight mode controls have no responding.
Copter frame: Tarot X6
Flight Controller: 3DR Pixhawk Mini
Receiver: Futaba 6208
Transmitter: Futaba 14SG
Motors: LD Power 5008
Propellers: 1855
Battery: Tattu 6S 22000mAh
I have not connect to my GCS and here is my dataflash log: