4、lightning金手指区域如果沾染可乐等液体请及时擦拭干净，否则长时间后腐蚀
金手指，导致cable无功能
4、If the lightning gold finger area is contaminated with coke or other liquid, please
clean it in time, otherwise gold finger will be corrode after a long time, it result cable
do not work
golden finger was OK
golden finger was oxidated
