diff --git a/src/modules/clx/Clx3dObject.ts b/src/modules/clx/Clx3dObject.ts
index 9851c83..749a888 100644
--- a/src/modules/clx/Clx3dObject.ts
+++ b/src/modules/clx/Clx3dObject.ts
@@ -362,11 +362,45 @@ export default class Clx3dObject extends THREE.Object3D {
     return mergeGeometries(geometries)
   }
 
+  // 创建clx叉的背板
+  private static createClxForkBasePlate(): THREE.BufferGeometry {
+    // 606.5
+    const width = 0.3
+    const depth = 1.188
+    const dd = 0.05
+    const fdx = 0.06
+    const fdy = 0.03
+
+    const shape = new THREE.Shape();
+    shape.moveTo(-0.744 + 0.1, -0.5);
+    shape.lineTo(-0.744 + 0.1, 0.5);
+    shape.lineTo(-0.744 + 0.2, 0.5);
+    shape.lineTo(-0.744 + 0.2, -0.5);
+    shape.closePath()
+
+    const curve = new THREE.CatmullRomCurve3(
+      [new THREE.Vector3(0, 0.02, 0), new THREE.Vector3(0, 1.287, 0)],
+      false,  // 闭合曲线
+      'catmullrom',
+      0
+    )
+    const options = {
+      steps: 1,
+      bevelSegments: 0.05,
+      bevelEnabled: true,
+      extrudePath: curve //  设置挤出轨迹
+    }
+    const geometry = new THREE.ExtrudeGeometry(shape, options)
+
+    return geometry
+  }
+
   private static clxPedestalGeometry: THREE.BufferGeometry = null
   private static clxPillarGeometry: THREE.BufferGeometry = null
   private static clxForkGeometry: THREE.BufferGeometry = null
   private static clxGemelGeometryL: THREE.BufferGeometry = null
   private static clxGemelGeometryR: THREE.BufferGeometry = null
+  private static clxForkBasePlateGeometry: THREE.BufferGeometry = null
 
   constructor(item: ItemJson, option?: RendererCudOption) {
     super()