Cause derive from procedure of check Flat morning program.
That program have was the protrude 0.012mm at 3Dmodel of machining area.
Toolpath machine it is not complete at surface ,After we made 3D model for improve program the first time
tolerance revise by 0.01 update to 0.1, Toolpath machine it is not complete.
2nd. change revise for instruction program to choose as machining be specific at choose for surface only
in order that machine at surface complete.