KF的swept问题

帮忙解决下列程式的问题，KF的swept问题
#! UGNX/KF 2.0
DefClass: ex(ug_base_part);
  
(Canonical List Parameter Modifiable)    exx_Points: {{Point(-2,0,0)},{Point(0,0,0.3)},{Point(2,0,0)}};
  
(Child) exx_spline_thru: {
Class,        ug_spline_thru;
Points, exx_Points:;
};
  
(Canonical List Parameter Modifiable)    exy_Points: {{Point(0,-2,0)},{Point(0,0,0.3)},{Point(0,2,0)}};
  
(Child) exy_spline_thru: {
Class,        ug_spline_thru;
Points, exy_Points:;
};
  
(Child) Surface: {
Class, ug_swept;
Guide, {{FORWARD, exx_spline_thru:}};
Section, {{FORWARD, exy_spline_thru:}};
Spine,  {};
Orientation, {Orientation_Fixed};
Scaling,  {Scale_Constant,1};
Alignment,  Parameter;
Interpolation, None;
Tolerance, {0.001,0.5,0.02};
Body_Type,  sheet;
Operation, Unite;
Target, {};
Suppress?, FALSE;
  };