优化:避免错误

src/DatabaseServices/Entity/Extrude.ts

@@ -1171,6 +1171,12 @@ export class ExtrudeSolid extends Entity
                 return grooves;
             }
             // project.ApplyMatrix(target.OCSInv);
+            if (!(project.Area > 1))
+            {
+                Log("无法切割板", LogType.Info, [this, target]);
+                return [];
+            }
+
             project.Z0();
             let c1 = Contour.CreateContour(project);
             let c2 = Contour.CreateContour(target.ContourCurve);