the new IMG file PandaPiX_20200405.zip have been uploaded to MEGA. https://mega.nz/#F!qJgHzRwB!Sl6hKYqNDLAtKXnzekdB3A
Calibrate the motor native speed;open the runaway code;

new web marlin edit tool;

higher the marlin priority in OS;

fix U drive auto mount bug;