修正返回类型

src/DatabaseServices/Entity/Board.ts

@@ -543,7 +543,7 @@ export class Board extends ExtureSolid
         this.m_BoardProcessOption.highDrill = Array(cu.EndParam).fill(defaultType);
         super.ContourCurve = cu;
     }
-    GetBoardBoxInMat(mtx: Matrix4)
+    GetBoardBoxInMat(mtx: Matrix4): Box3Ext
     {
         let mtxC = mtx.clone().multiply(this.OCS);
         return this.BoundingBoxInOCS.applyMatrix4(mtxC);

src/DatabaseServices/Entity/Extrude.ts

@@ -10,6 +10,7 @@ import { CSG } from "../../csg/core/CSG";
 import { CSG2Geometry, Geometry2CSG } from "../../csg/core/Geometry2CSG";
 import { ObjectSnapMode } from "../../Editor/ObjectSnapMode";
 import { boardUVGenerator } from "../../Geometry/BoardUVGenerator";
+import { Box3Ext } from "../../Geometry/Box";
 import { BSPGroupParse } from "../../Geometry/BSPGroupParse";
 import { FastWireframe } from "../../Geometry/CreateWireframe";
 import { EdgesGeometry } from "../../Geometry/EdgeGeometry";
@@ -96,9 +97,9 @@ export class ExtureSolid extends Entity
         }
     }
 
-    get BoundingBoxInOCS()
+    get BoundingBoxInOCS(): Box3Ext
     {
-        return new Box3(new Vector3(), new Vector3(this.width, this.height, this.thickness));
+        return new Box3Ext(new Vector3(), new Vector3(this.width, this.height, this.thickness));
     }
 
     get GroovesAddLength()