diff --git a/src/utils/html_generator.py b/src/utils/html_generator.py
index 5736de0..eeb4745 100644
--- a/src/utils/html_generator.py
+++ b/src/utils/html_generator.py
@@ -184,10 +184,11 @@ class HTMLGenerator:
 
     <script>
         // 全局变量
-        let productMesh, cavityMesh, coreMesh, partingMesh;
+        let productMesh, cavityMesh, coreMesh, partingMesh, pointcloudMesh;
         let productVisible = true;
         let moldVisible = true;
         let partingVisible = true;
+        let pointcloudVisible = true;
         
         // 初始化Three.js场景
         const scene = new THREE.Scene();
@@ -214,13 +215,6 @@ class HTMLGenerator:
         const cavityData = {json.dumps(cavity_data, indent=2) if cavity_data else 'null'};
         const pointcloudData = {json.dumps(pointcloud_data, indent=2) if pointcloud_data else 'null'};
         
-        // 全局变量
-        let productMesh, cavityMesh, coreMesh, partingMesh, pointcloudMesh;
-        let productVisible = true;
-        let moldVisible = true;
-        let partingVisible = true;
-        let pointcloudVisible = true;
-        
         // 根据边界框创建几何体
         const bbox = geometryData.bounding_box;
         if (bbox) {{