清理代码

src/Geometry/SpaceParse/PointPickSpaceParse.ts

@@ -1,6 +1,6 @@
 import { Intersection, Object3D, Raycaster, Vector3 } from "three";
 import { Vec3DTo2D } from "../../Common/CurveUtils";
-import { Board, BoardType } from "../../DatabaseServices/Board";
+import { Board } from "../../DatabaseServices/Board";
 import { GenerateRaycaster, Raycast } from "../../Editor/PointPick";
 import { SelectLine } from "../../Editor/SelectLine";
 import { Viewer } from "../../GraphicsSystem/Viewer";