diff --git a/dist/Material.d.ts b/dist/Material.d.ts
index 39afb83..3ed908e 100644
--- a/dist/Material.d.ts
+++ b/dist/Material.d.ts
@@ -1,3 +1,4 @@
 import { MeshBasicMaterial, LineBasicMaterial } from "three";
 export declare let boardMaterial: MeshBasicMaterial;
+export declare let selectMaterial: MeshBasicMaterial;
 export declare let edgeMaterial: LineBasicMaterial;
diff --git a/dist/Material.js b/dist/Material.js
index 8e06455..c3d7ebb 100644
--- a/dist/Material.js
+++ b/dist/Material.js
@@ -8,6 +8,12 @@ exports.boardMaterial = new three_1.MeshBasicMaterial({
     polygonOffsetFactor: 1,
     polygonOffsetUnits: 1
 });
+exports.selectMaterial = new three_1.MeshBasicMaterial({
+    color: new three_1.Color(0.1, 0.5, 0.5),
+    polygonOffset: true,
+    polygonOffsetFactor: 1,
+    polygonOffsetUnits: 1
+});
 //线框的材质
 exports.edgeMaterial = new three_1.LineBasicMaterial({ linewidth: 2, color: new three_1.Color(0, 0, 0) });
 //# sourceMappingURL=Material.js.map
\ No newline at end of file
diff --git a/dist/Material.js.map b/dist/Material.js.map
index 4ba7f6c..dde979c 100644
--- a/dist/Material.js.map
+++ b/dist/Material.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"Material.js","sourceRoot":"","sources":["../src/Material.ts"],"names":[],"mappings":";;AAAA,iCAAoE;AAEpE,uBAAuB;AACZ,QAAA,aAAa,GAAG,IAAI,yBAAiB,CAAC;IAC7C,KAAK,EAAE,IAAI,aAAK,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,CAAC;IAC/B,aAAa,EAAE,IAAI;IACnB,mBAAmB,EAAE,CAAC;IACtB,kBAAkB,EAAE,CAAC;CACxB,CAAC,CAAC;AAEQ,QAAA,cAAc,GAAG,IAAI,yBAAiB,CAAC;IAC9C,KAAK,EAAE,IAAI,aAAK,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,CAAC;IAC/B,aAAa,EAAE,IAAI;IACnB,mBAAmB,EAAE,CAAC;IACtB,kBAAkB,EAAE,CAAC;CACxB,CAAC,CAAC;AAEH,OAAO;AACI,QAAA,YAAY,GAAG,IAAI,yBAAiB,CAAC,EAAE,SAAS,EAAE,CAAC,EAAE,KAAK,EAAE,IAAI,aAAK,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/dist/Viewer.js b/dist/Viewer.js
index 5940540..1a8bcd6 100644
--- a/dist/Viewer.js
+++ b/dist/Viewer.js
@@ -5,7 +5,6 @@ const CameraUpdate_1 = require("./CameraUpdate");
 const GeUtils_1 = require("./GeUtils");
 const PlaneExt_1 = require("./PlaneExt");
 const _1 = require(".");
-const three_1 = require("three");
 class Viewer {
     //构造
     constructor(canvasContainer) {
@@ -38,8 +37,6 @@ class Viewer {
         window.addEventListener("resize", () => {
             this.OnSize();
         });
-        //选中
-        let selectMaterial = new three_1.MeshBasicMaterial({ color: new three_1.Color(0.1, 0.5, 0.5) });
         let oldMesh;
         this.m_Render.domElement.addEventListener("mousemove", (e) => {
             let mesh = _1.PointPick(this, e.offsetX, e.offsetY);
@@ -47,9 +44,9 @@ class Viewer {
                 oldMesh.material = _1.boardMaterial;
             if (mesh) {
                 oldMesh = mesh;
-                mesh.material = selectMaterial;
-                this.m_bNeedUpdate = true;
+                mesh.material = _1.selectMaterial;
             }
+            this.m_bNeedUpdate = true;
         });
     }
     //初始化render
diff --git a/dist/Viewer.js.map b/dist/Viewer.js.map
index 92bb169..767f7ce 100644
--- a/dist/Viewer.js.map
+++ b/dist/Viewer.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"Viewer.js","sourceRoot":"","sources":["../src/Viewer.ts"],"names":[],"mappings":";;AACA,+BAA+B;AAC/B,iDAA8C;AAC9C,uCAAwD;AACxD,yCAAsC;AACtC,wBAA6E;AAG7E;IAaI,IAAI;IACJ,YAAY,eAA4B;QAXxC,aAAQ,GAAiB,IAAI,2BAAY,EAAE,CAAC;QAC5C,kBAAa,GAAY,IAAI,CAAC;QAO9B,YAAO,GAAgB,IAAI,KAAK,CAAC,KAAK,EAAE,CAAC;QAkEzC,WAAM,GAAG,CAAC,KAAM,EAAE,MAAO,EAAE,EAAE;YAEzB,IAAI,CAAC,MAAM,GAAG,KAAK,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,WAAW,CAAC;YACvD,IAAI,CAAC,OAAO,GAAG,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,YAAY,CAAC;YAE3D,oBAAoB;YACpB,IAAI,IAAI,CAAC,MAAM,GAAG,CAAC,IAAI,CAAC;gBACpB,IAAI,CAAC,MAAM,IAAI,CAAC,CAAC;YACrB,IAAI,IAAI,CAAC,OAAO,GAAG,CAAC,IAAI,CAAC;gBACrB,IAAI,CAAC,OAAO,IAAI,CAAC,CAAC;YAEtB,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;YACjD,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;QACrD,CAAC,CAAA;QAED,gBAAW,GAAG,GAAG,EAAE;YAEf,qBAAqB,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC;YACxC,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,IAAI,IAAI,CAAC,aAAa,EAC9C;gBACI,IAAI,CAAC,MAAM,EAAE,CAAC;gBACd,IAAI,CAAC,aAAa,GAAG,KAAK,CAAC;aAC9B;QACL,CAAC,CAAA;QApFG,IAAI,CAAC,OAAO,GAAG,eAAe,CAAC;QAC/B,IAAI,CAAC,UAAU,CAAC,eAAe,CAAC,CAAC;QACjC,IAAI,CAAC,MAAM,EAAE,CAAC;QACd,IAAI,CAAC,WAAW,EAAE,CAAC;QACnB,IAAI,iBAAc,CAAC,IAAI,CAAC,CAAC;QACzB,MAAM,CAAC,gBAAgB,CAAC,QAAQ,EAAE,GAAG,EAAE;YAEnC,IAAI,CAAC,MAAM,EAAE,CAAC;QAClB,CAAC,CAAC,CAAC;QAEH,IAAI,OAAa,CAAC;QAClB,IAAI,CAAC,QAAQ,CAAC,UAAU,CAAC,gBAAgB,CAAC,WAAW,EAAE,CAAC,CAAa,EAAE,EAAE;YAErE,IAAI,IAAI,GAAG,YAAS,CAAC,IAAI,EAAE,CAAC,CAAC,OAAO,EAAE,CAAC,CAAC,OAAO,CAAC,CAAC;YACjD,IAAI,OAAO;gBACP,OAAO,CAAC,QAAQ,GAAG,gBAAa,CAAC;YACrC,IAAI,IAAI,EACR;gBACI,OAAO,GAAG,IAAI,CAAC;gBACf,IAAI,CAAC,QAAQ,GAAG,iBAAc,CAAC;aAClC;YACD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;QAC9B,CAAC,CAAC,CAAA;IACN,CAAC;IAED,WAAW;IACX,UAAU,CAAC,eAA4B;QAEnC,IAAI,CAAC,QAAQ,GAAG,IAAI,KAAK,CAAC,aAAa,CACnC;YACI,SAAS,EAAE,IAAI;YACf,SAAS,EAAE,OAAO;YAClB,KAAK,EAAE,IAAI;SAKd,CACJ,CAAC;QACF,MAAM;QACN,eAAe,CAAC,WAAW,CAAC,IAAI,CAAC,QAAQ,CAAC,UAAU,CAAC,CAAC;QAEtD,IAAI,CAAC,QAAQ,CAAC,SAAS,GAAG,IAAI,CAAC;QAE/B,sCAAsC;QACtC,mCAAmC;QACnC,oCAAoC;QACpC,0CAA0C;QAC1C,yDAAyD;QACzD,kCAAkC;QAClC,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,gBAAgB,CAAC,CAAC;QACrD,IAAI,CAAC,QAAQ,CAAC,uBAAuB,GAAG,IAAI,CAAC;QAC7C,2FAA2F;QAE3F,YAAY;QACZ,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAC;QAGzC,IAAI,CAAC,MAAM,EAAE,CAAC;IAClB,CAAC;IA0BD,MAAM;QAEF,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;IAC7D,CAAC;IAED,aAAa,CAAC,EAAiB,EAAE,OAAuB;QAEpD,QAAQ;QACR,IAAI,IAAI,GAAG,IAAI,mBAAQ,CAAC,OAAO,IAAI,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QAC/D,IAAI,SAAS,GAAG,IAAI,KAAK,CAAC,SAAS,EAAE,CAAC;QACtC,gBAAgB;QAChB,SAAS,CAAC,aAAa,CACnB;YACI,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,GAAG,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,GAAG,CAAC;YAC/B,CAAC,EAAE,CAAE,CAAC,EAAE,CAAC,CAAC,GAAG,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,GAAG,CAAC;SACrC,EACC,IAAI,CAAC,QAAQ,CAAC,MAAM,CACzB,CAAA;QACD,IAAI,CAAC,YAAY,CAAC,SAAS,CAAC,GAAG,EAAE,EAAE,EAAE,IAAI,CAAC,CAAC;IAC/C,CAAC;IACD,aAAa,CAAC,EAAiB;QAE3B,IAAI,SAAS,GAAG,IAAI,CAAC,MAAM,GAAG,GAAG,CAAC;QAClC,IAAI,UAAU,GAAG,IAAI,CAAC,OAAO,GAAG,GAAG,CAAC;QAEpC,EAAE,CAAC,OAAO,CAAC,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;QAEjC,EAAE,CAAC,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,SAAS,CAAC,GAAG,SAAS,CAAC;QACtC,EAAE,CAAC,CAAC,GAAG,CAAE,CAAC,EAAE,CAAC,CAAC,GAAG,UAAU,CAAC,GAAG,UAAU,CAAC;IAC9C,CAAC;IAED;;;;OAIG;IACH,gBAAgB;QAEZ,IAAI,UAAU,GAAG,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC,GAAG,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;QACnF,IAAI,GAAG,GAAG,mBAAS,CAAC,UAAU,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC;QAC1D,IAAI,GAAG;YACH,IAAI,CAAC,YAAY,GAAG,GAAG,CAAC,SAAS,CAAC,IAAI,KAAK,CAAC,OAAO,EAAE,CAAC,CAAC;;YAEvD,IAAI,CAAC,YAAY,GAAG,kBAAQ,CAAC;IACrC,CAAC;IACD,MAAM,CAAC,SAAwB;QAE3B,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,SAAS,EAAE,IAAI,CAAC,YAAY,CAAC,CAAC;QACnD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IACD,GAAG,CAAC,SAAwB;QAExB,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC;QAC7B,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IACD,IAAI,CAAC,KAAa,EAAE,MAAsB;QAEtC,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,EAAE,MAAM,CAAC,CAAC;QAClC,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IACD,OAAO;QAEH,IAAI,CAAC,QAAQ,CAAC,cAAc,CAAC,gBAAM,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC;QACzD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IAED,SAAS;QAEL,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;QAClD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IACD,WAAW;QAEP,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QACjD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;IACD,WAAW;QAEP,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;QAClD,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;IAC9B,CAAC;CACJ;AAtLD,wBAsLC"}
\ No newline at end of file
diff --git a/dist/createBoard.js b/dist/createBoard.js
index 195f8b9..3df1af6 100644
--- a/dist/createBoard.js
+++ b/dist/createBoard.js
@@ -109,13 +109,28 @@ function createBoard(boardData) {
     //外边.
     let edges = [createEdge(ext)];
     //差集
-    if (boardData["SubBoardLocal"].length > 0) {
-        let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
+    if (checkObjectArray(boardData, "SubBoardLocal")
+        || checkObjectArray(boardData, "Drillings")) {
         let thisCsg = new ThreeCSG_1.ThreeBSP(ext);
-        for (let br of subBoardList) {
-            edges.push(...br.edges);
-            let subCsg = new ThreeCSG_1.ThreeBSP(br.mesh);
-            thisCsg = thisCsg.subtract(subCsg);
+        if (boardData["SubBoardLocal"]) {
+            let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
+            for (let br of subBoardList) {
+                edges.push(...br.edges);
+                let subCsg = new ThreeCSG_1.ThreeBSP(br.mesh);
+                thisCsg = thisCsg.subtract(subCsg);
+            }
+        }
+        if (boardData["Drillings"]) {
+            let dris = boardData["Drillings"];
+            for (let dri of dris) {
+                let geo = new three_1.CylinderGeometry(dri.r, dri.r, dri.h, 32);
+                geo.rotateX(Math.PI * 0.5);
+                geo.translate(dri.x, dri.y, 0);
+                geo.applyMatrix(boardMat);
+                edges.push(createEdge(geo));
+                let subCsg = new ThreeCSG_1.ThreeBSP(geo);
+                thisCsg = thisCsg.subtract(subCsg);
+            }
         }
         ext = thisCsg.toGeometry();
     }
@@ -125,6 +140,9 @@ function createBoard(boardData) {
     return { mesh, edges };
 }
 exports.createBoard = createBoard;
+function checkObjectArray(obj, key) {
+    return obj[key] && obj[key].length > 0;
+}
 function createTemplateBoard(brDataList) {
     let meshs = [];
     let edgesa = [];
diff --git a/dist/createBoard.js.map b/dist/createBoard.js.map
index e63b43b..3ce9dbb 100644
--- a/dist/createBoard.js.map
+++ b/dist/createBoard.js.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/src/Material.ts b/src/Material.ts
index 53b5316..b30fff6 100644
--- a/src/Material.ts
+++ b/src/Material.ts
@@ -8,6 +8,13 @@ export let boardMaterial = new MeshBasicMaterial({
     polygonOffsetUnits: 1
 });
 
+export let selectMaterial = new MeshBasicMaterial({
+    color: new Color(0.1, 0.5, 0.5),
+    polygonOffset: true,
+    polygonOffsetFactor: 1, // positive value pushes polygon further away
+    polygonOffsetUnits: 1
+});
+
 //线框的材质
 export let edgeMaterial = new LineBasicMaterial({ linewidth: 2, color: new Color(0, 0, 0) });
 
diff --git a/src/Viewer.ts b/src/Viewer.ts
index 3d736ad..ccadb95 100644
--- a/src/Viewer.ts
+++ b/src/Viewer.ts
@@ -3,7 +3,7 @@ import * as THREE from "three";
 import { CameraUpdate } from "./CameraUpdate";
 import { GetBox, GetBoxArr, cZeroVec } from "./GeUtils";
 import { PlaneExt } from "./PlaneExt";
-import { PointPick, boardMaterial, CameraControls } from ".";
+import { PointPick, boardMaterial, CameraControls, selectMaterial } from ".";
 import { MeshBasicMaterial, Color, Mesh } from "three";
 
 export class Viewer
@@ -32,9 +32,6 @@ export class Viewer
             this.OnSize();
         });
 
-        //选中
-        let selectMaterial = new MeshBasicMaterial({ color: new Color(0.1, 0.5, 0.5) });
-
         let oldMesh: Mesh;
         this.m_Render.domElement.addEventListener("mousemove", (e: MouseEvent) =>
         {
@@ -45,8 +42,8 @@ export class Viewer
             {
                 oldMesh = mesh;
                 mesh.material = selectMaterial;
-                this.m_bNeedUpdate = true;
             }
+            this.m_bNeedUpdate = true;
         })
     }
 
diff --git a/src/createBoard.ts b/src/createBoard.ts
index f962376..94d6e57 100644
--- a/src/createBoard.ts
+++ b/src/createBoard.ts
@@ -1,5 +1,5 @@
 import * as THREE from 'three';
-import { Geometry, LineSegments, Shape, Vector2 } from 'three';
+import { Geometry, LineSegments, Shape, Vector2, CylinderGeometry } from 'three';
 import { polar } from './GeUtils';
 import { boardMaterial, edgeMaterial } from './Material';
 import { RotateUVs } from './RotateUV';
@@ -90,7 +90,6 @@ export function createBoard(boardData: object)
     let matInv: THREE.Matrix4 = new THREE.Matrix4();
     //InitBoardMat
     {
-
         let xD = getVec(boardData["XVec"]);
         let yD = getVec(boardData["YVec"]);
         let ZD = getVec(boardData["ZVec"]);
@@ -139,17 +138,39 @@ export function createBoard(boardData: object)
 
     //外边.
     let edges = [createEdge(ext)];
+
+
     //差集
-    if (boardData["SubBoardLocal"].length > 0)
+    if (checkObjectArray(boardData, "SubBoardLocal")
+        || checkObjectArray(boardData, "Drillings"))
     {
-        let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
         let thisCsg = new ThreeBSP(ext);
 
-        for (let br of subBoardList)
+        if (boardData["SubBoardLocal"])
         {
-            edges.push(...br.edges);
-            let subCsg = new ThreeBSP(br.mesh);
-            thisCsg = thisCsg.subtract(subCsg);
+            let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
+            for (let br of subBoardList)
+            {
+                edges.push(...br.edges);
+                let subCsg = new ThreeBSP(br.mesh);
+                thisCsg = thisCsg.subtract(subCsg);
+            }
+        }
+        if (boardData["Drillings"])
+        {
+            let dris = boardData["Drillings"];
+            for (let dri of dris)
+            {
+                let geo = new CylinderGeometry(dri.r, dri.r, dri.h, 32);
+                geo.rotateX(Math.PI * 0.5);
+                geo.translate(dri.x, dri.y, 0);
+                geo.applyMatrix(boardMat);
+
+                edges.push(createEdge(geo));
+
+                let subCsg = new ThreeBSP(geo);
+                thisCsg = thisCsg.subtract(subCsg);
+            }
         }
         ext = thisCsg.toGeometry();
     }
@@ -161,6 +182,11 @@ export function createBoard(boardData: object)
     return { mesh, edges };
 }
 
+function checkObjectArray(obj: any, key: string)
+{
+    return obj[key] && obj[key].length > 0;
+}
+
 export function createTemplateBoard(brDataList: any[])
 {
     let meshs = [];