diff --git a/src/example/example1.js b/src/example/example1.js
index 4a919ab..6368283 100644
--- a/src/example/example1.js
+++ b/src/example/example1.js
@@ -168,10 +168,51 @@ export default {
             extendColumns: true,
             columnSpacing: 1,
             bays: [
-              { bayWidth: 1.275, levelHeight: [1.4, 1.4, 1.4] },
-              { bayWidth: 1.275, levelHeight: [1.4, 1.4, 1.4] },
-              { bayWidth: 1.275, levelHeight: [1.4, 1.4, 1.4] },
-              { bayWidth: 1.275, levelHeight: [1.4, 1.4, 1.4] }],
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] },
+              { bayWidth: 1.275, levelHeight: [1.4, 1.4,1.4, 1.4,1.4, 1.4, 1.4] }],
             center: [],
             in: [],
             out: []
diff --git a/src/modules/rack/RackRenderer.ts b/src/modules/rack/RackRenderer.ts
index db47d38..cc3e2e3 100644
--- a/src/modules/rack/RackRenderer.ts
+++ b/src/modules/rack/RackRenderer.ts
@@ -3,6 +3,7 @@ import BaseRenderer from '@/core/base/BaseRenderer.ts'
 import { Line2 } from 'three/examples/jsm/lines/Line2.js'
 import { LineGeometry } from 'three/examples/jsm/lines/LineGeometry.js'
 import { LineMaterial } from 'three/examples/jsm/lines/LineMaterial.js'
+import * as BufferGeometryUtils from "three/addons/utils/BufferGeometryUtils.js";
 import { decimalSumBy } from '@/core/ModelUtils'
 import Constract from '@/core/Constract.ts'
 import Plastic_Rough_JPG from '@/assets/Models/Plastic_Rough.jpg'
@@ -155,41 +156,66 @@ export default class RackRenderer extends BaseRenderer {
   rackVerticalBarGeometry: BufferGeometry = null
   rackVerticalBarMaterial: Material = null
 
+  rackLinkBarColor = 0xFF35499C
+  rackLinkBarGeometry: BufferGeometry = null
+  rackLinkBarMaterial: Material = null
+
   rackHorizontalBarWidth = 0.1
   rackHorizontalBarDepth = 0.08
   rackHorizontalBarColor = 0xFFF97F27
   rackHorizontalBarGeometry: BufferGeometry = null
   rackHorizontalBarMaterial: Material = null
 
-  sectionPoints = [
+  bottomBarHeight = 0.2
+  bottomLinkHeight = 0.2
+
+  barSectionPoints = [
     {x: -0.05, y: -0.05},
     {x: -0.025, y: -0.05},
-    {x: 0.04-0.05, y: 0.005-0.05},
-    {x: 0.06-0.05, y: 0.005-0.05},
-    {x: 0.075-0.05, y: 0-0.05},
-    {x: 0.1-0.05, y: 0-0.05},
-    {x: 0.1-0.05, y: 0.092-0.05},
-    {x: 0.092-0.05, y: 0.1-0.05},
-    {x: 0.075-0.05, y: 0.1-0.05},
-    {x: 0.075-0.05, y: 0.092-0.05},
-    {x: 0.092-0.05, y: 0.092-0.05},
-    {x: 0.092-0.05, y: 0.008-0.05},
-    {x: 0.008-0.05, y: 0.008-0.05},
-    {x: 0.008-0.05, y: 0.092-0.05},
-    {x: 0.025-0.05, y: 0.092-0.05},
-    {x: 0.025-0.05, y: 0.1-0.05},
-    {x: 0.008-0.05, y: 0.1-0.05},
-    {x: 0-0.05, y: 0.092-0.05},
-    {x: 0-0.05, y: 0-0.05}
+    {x: -0.01, y: -0.045},
+    {x: 0.05, y: -0.045},
+    {x: 0.025, y: -0.05},
+    {x: 0.05, y: -0.05},
+    {x: 0.05, y: 0.042},
+    {x: 0.042, y: 0.05},
+    {x: 0.025, y: 0.05},
+    {x: 0.025, y: 0.042},
+    {x: 0.042, y: 0.042},
+    {x: 0.042, y: -0.042},
+    {x: -0.042, y: -0.042},
+    {x: -0.042, y: 0.042},
+    {x: -0.025, y: 0.042},
+    {x: -0.025, y: 0.05},
+    {x: -0.042, y: 0.05},
+    {x: -0.05, y: 0.042},
+    {x: -0.05, y: -0.05}
+  ]
+
+  linkSectionPoints = [
+    {x: -0.05, y: -0.05},
+    {x: -0.05, y: 0.05},
+    {x: 0, y: 0.05},
+    {x: 0, y: 0.06},
+    {x: -0.06, y: 0.06},
+    {x: -0.06, y: -0.05},
+    {x: -0.05, y: -0.05}
+  ]
+
+  linkBarSectionPoints = [
+    {x: -0.025, y: -0.025},
+    {x: 0.025, y: -0.025},
+    {x: 0.025, y: 0.025},
+    {x: -0.025, y: 0.025},
+    {x: -0.025, y: -0.025}
   ]
 
   createVerticalBar(x, y, z, length): THREE.BufferGeometry {
 
     // 创建一个形状 柱子的截面形状
     const shape = new THREE.Shape();
-    shape.moveTo(this.sectionPoints[0].x, this.sectionPoints[0].y);
-    for (let i = 1; i < this.sectionPoints.length; i++) {
-      shape.lineTo(this.sectionPoints[i].x , this.sectionPoints[i].y);
+    shape.moveTo(this.barSectionPoints[0].x, this.barSectionPoints[0].y);
+    for (let i = 1; i < this.barSectionPoints.length; i++) {
+      shape.lineTo(this.barSectionPoints[i].x , this.barSectionPoints[i].y);
     }
 
     // 拉伸轨迹线
@@ -243,18 +269,110 @@ export default class RackRenderer extends BaseRenderer {
     return material;
   }
 
+  createLinkBar(x, y, z, vBarLength, depth, bottomDistance, topDistance): THREE.BufferGeometry {
+
+    const bgs: BufferGeometry[] = []
+    const top = vBarLength - topDistance
+    // 创建一个形状 柱子的截面形状
+    const shape = new THREE.Shape();
+    shape.moveTo(this.linkBarSectionPoints[0].x, this.linkBarSectionPoints[0].y);
+    for (let i = 1; i < this.linkBarSectionPoints.length; i++) {
+      shape.lineTo(this.linkBarSectionPoints[i].x, this.linkBarSectionPoints[i].y);
+    }
+
+    // 拉伸轨迹线 横向 底部
+    const curveHBottom = new THREE.CatmullRomCurve3(
+      [new THREE.Vector3(0, bottomDistance, 0), new THREE.Vector3(0, bottomDistance, depth)],
+      false,  // 闭合曲线
+      'catmullrom',
+      0
+    );
+
+    // 挤出几何图形 参数
+    const optionsHBottom = {
+      steps: 1,
+      bevelEnabled: false,
+      extrudePath: curveHBottom, //  设置挤出轨迹
+    };
+
+    // 拉伸轨迹线 横向 底部
+    const curveHTop = new THREE.CatmullRomCurve3(
+      [new THREE.Vector3(0, top, 0), new THREE.Vector3(0, top, depth)],
+      false,  // 闭合曲线
+      'catmullrom',
+      0
+    );
+
+    // 挤出几何图形 参数
+    const optionsHTop = {
+      steps: 1,
+      bevelEnabled: false,
+      extrudePath: curveHTop, //  设置挤出轨迹
+    };
+
+    // 创建挤出几何体
+    const geometryHBottom = new THREE.ExtrudeGeometry(shape, optionsHBottom);
+    const geometryHTop  = new THREE.ExtrudeGeometry(shape, optionsHTop);
+    bgs.push(geometryHBottom, geometryHTop)
+
+    let remainingHeight  = vBarLength - bottomDistance - topDistance
+
+    // 需要创建斜杆
+
+    for (let i = 0; i < Math.floor(remainingHeight / depth); i++) {
+      // 拉伸轨迹线 斜向
+      const curveD = new THREE.CatmullRomCurve3(
+        (i%2 == 0) ? [new THREE.Vector3(0, bottomDistance + depth * i, 0), new THREE.Vector3(0, bottomDistance + depth * (i+1), depth)]
+          : [new THREE.Vector3(0, bottomDistance + depth * (i+1), 0), new THREE.Vector3(0, bottomDistance + depth * (i), depth)],
+        false,  // 闭合曲线
+        'catmullrom',
+        0
+      );
+
+      const optionsD = {
+        steps: 1,
+        bevelEnabled: false,
+        extrudePath: curveD, //  设置挤出轨迹
+      };
+
+      const geometryD = new THREE.ExtrudeGeometry(shape, optionsD);
+      bgs.push(geometryD)
+    }
+
+    if (vBarLength - bottomDistance - topDistance > depth) {
+
+
+
+    }
+
+    // 调整uv方便正确贴图
+    // this.resetUVs(geometry);
+    return BufferGeometryUtils.mergeGeometries(bgs)
+  }
+
+  createLinkBarMaterial(): THREE.Material {
+
+    const material = new THREE.MeshPhongMaterial();
+    material.color.setHex(this.rackLinkBarColor, "srgb");
+    material.specular.setHex(0xff6d6d6d, 'srgb');
+    material.transparent = true;
+    material.needsUpdate = true;
+
+    return material;
+  }
+
   createHorizontalBar(x, y, z, length): THREE.BufferGeometry {
 
     // 创建一个形状 柱子的截面形状
     const shape = new THREE.Shape();
-    shape.moveTo(this.sectionPoints[0].x, this.sectionPoints[0].y);
-    for (let i = 1; i < this.sectionPoints.length; i++) {
-      shape.lineTo(this.sectionPoints[i].x , this.sectionPoints[i].y);
+    shape.moveTo(this.barSectionPoints[0].x, this.barSectionPoints[0].y);
+    for (let i = 1; i < this.barSectionPoints.length; i++) {
+      shape.lineTo(this.barSectionPoints[i].x , this.barSectionPoints[i].y);
     }
 
     // 拉伸轨迹线
     const curve = new THREE.CatmullRomCurve3(
-      [new THREE.Vector3(0, 0, 0), new THREE.Vector3(length, 0, 0)],
+      [new THREE.Vector3(0.05, 0, 0), new THREE.Vector3(length -0.05, 0, 0)],
       false,  // 闭合曲线
       'catmullrom',
       0
@@ -268,9 +386,41 @@ export default class RackRenderer extends BaseRenderer {
     };
     // 创建挤出几何体
     const geometry = new THREE.ExtrudeGeometry(shape, options);
+
+    const linkShapeL = new THREE.Shape();
+    const linkShapeR = new THREE.Shape();
+    linkShapeL.moveTo(this.linkSectionPoints[0].x, this.linkSectionPoints[0].y);
+    linkShapeR.moveTo(this.linkSectionPoints[0].x + (length), this.linkSectionPoints[0].y);
+    for (let i = 1; i < this.linkSectionPoints.length; i++) {
+      linkShapeL.lineTo(this.linkSectionPoints[i].x , this.linkSectionPoints[i].y);
+      linkShapeR.lineTo(this.linkSectionPoints[i].x + (length), this.linkSectionPoints[i].y);
+    }
+
+    // 拉伸轨迹线
+    const linkCurve = new THREE.CatmullRomCurve3(
+      [new THREE.Vector3(0, 0, -0.08), new THREE.Vector3(0, 0, 0.08)],
+      false,  // 闭合曲线
+      'catmullrom',
+      0
+    );
+
+    // 挤出几何图形 参数
+    const linkOptions = {
+      steps: 1,
+      bevelEnabled: false,
+      extrudePath: linkCurve, //  设置挤出轨迹
+    };
+    // 创建挤出几何体
+    const linkGeometryL = new THREE.ExtrudeGeometry(linkShapeL, linkOptions);
+    linkGeometryL.rotateZ(-Math.PI / 2)
+    const linkGeometryR = new THREE.ExtrudeGeometry(linkShapeR, linkOptions);
+    linkGeometryR.rotateX(-Math.PI)
+    linkGeometryR.rotateZ(-Math.PI / 2)
+
+
     // 调整uv方便正确贴图
-    this.resetUVs(geometry);
-    return geometry
+    // this.resetUVs(geometry);
+    return BufferGeometryUtils.mergeGeometries([geometry, linkGeometryL, linkGeometryR])
   }
 
   createHorizontalBarMaterial(): THREE.Material {
@@ -307,6 +457,9 @@ export default class RackRenderer extends BaseRenderer {
     // 计算立住坐标点和长度
     const vBarMatrix: {x: number, y: number, z: number, sx: number, sy: number, sz: number, rx: number, ry: number, rz: number, l: number}[] = [];
 
+    // 计算
+    const linkBarMatrix: {x: number, y: number, z: number, sx: number, sy: number, sz: number, rx: number, ry: number, rz: number, l: number}[] = [];
+
     let distanceX = 0, distanceY = 0;
 
     for (let i = -1; i < item.dt.bays.length; i++) {
@@ -338,16 +491,31 @@ export default class RackRenderer extends BaseRenderer {
         rz: 0,
         l: rackHeight
       })
+      linkBarMatrix.push({
+        x: rackPoint.x + distanceX,
+        y: rackPoint.y,
+        z: i%2 == 0 ? (rackPoint.z + item.dt.rackDepth) : rackPoint.z,
+        sx: 1,
+        sy: 1,
+        sz: 1,
+        rx: 0,
+        ry: i%2 == 0 ? Math.PI : 0,
+        rz: 0,
+        l: rackHeight
+      })
     }
 
     // 计算横梁数量
     const hBarMatrix: {x: number, y: number, z: number, sx: number, sy: number, sz: number, rx: number, ry: number, rz: number, l: number}[] = [];
     distanceX = 0;
     for (let i = 0; i < item.dt.bays.length; i++) {
-      distanceY = 0;
+      distanceY = this.bottomBarHeight;
       const bay = item.dt.bays[i]
       for (let j = 0; j < bay.levelHeight.length; j++) {
         const levelHeight = bay.levelHeight[j]
+        if (distanceY <= 0) {
+          continue
+        }
         hBarMatrix.push({
           x: rackPoint.x + distanceX,
           y: rackPoint.y + distanceY,
@@ -399,6 +567,26 @@ export default class RackRenderer extends BaseRenderer {
       meshes.push(vBarMesh)
     }
 
+    if (linkBarMatrix.length > 0) {
+      if (!this.rackLinkBarGeometry) {
+        this.rackLinkBarGeometry = this.createLinkBar(linkBarMatrix[0].x, linkBarMatrix[0].y, linkBarMatrix[0].z, rackHeight, item.dt.rackDepth, this.bottomLinkHeight, 0.2)
+      }
+      if (!this.rackLinkBarMaterial) {
+        this.rackLinkBarMaterial = this.createLinkBarMaterial()
+      }
+      const dummy = new THREE.Object3D();
+      const linkBarMesh = new THREE.InstancedMesh(this.rackLinkBarGeometry, this.rackLinkBarMaterial, linkBarMatrix.length);
+      for (let i = 0; i < linkBarMatrix.length; i++) {
+        const lp = linkBarMatrix[i]
+        dummy.position.set(lp.x, lp.y, lp.z);
+        dummy.rotation.set(lp.rx, lp.ry, lp.rz);
+        dummy.scale.set(lp.sx, lp.sy, lp.sz);
+        dummy.updateMatrix();
+        linkBarMesh.setMatrixAt(i, dummy.matrix);
+      }
+      meshes.push(linkBarMesh)
+    }
+
     if (hBarMatrix.length > 0) {
       if (!this.rackHorizontalBarGeometry) {
         this.rackHorizontalBarGeometry = this.createHorizontalBar(hBarMatrix[0].x, hBarMatrix[0].y, hBarMatrix[0].z, hBarMatrix[0].l)