diff --git a/index.html b/index.html
index 025c4c6..91bfccd 100644
--- a/index.html
+++ b/index.html
@@ -329,8 +329,8 @@
                 </div>
                 <div class="category-content">
                     <div class="option-group">
-                        <button class="option-btn" data-option="louver-1">111</button>
-                        <button class="option-btn" data-option="louver-2">百叶2</button>
+                        <button class="option-btn" data-option="louver-1">整体</button>
+                        <button class="option-btn" data-option="louver-2">3m百叶</button>
                         <button class="option-btn" data-option="louver-3">百叶3</button>
                         <button class="option-btn" data-option="louver-4">百叶4</button>
                         <button class="option-btn" data-option="louver-4">卷帘小</button>
@@ -519,7 +519,11 @@
         let sku = ""
         const skuToFunc = async (currentText) => {
             sku = currentText;
-            placementWall(1);
+            if(currentText.includes("3m")){
+                await placementWall(3);
+            }else{
+                await placementWall(1);
+            }
 
         }
 
@@ -814,8 +818,8 @@
                     },
                     {
                         name: 'back',
-                        startPoint: [1.37, baseY, 1.4],
-                        endPoint: [-1.43, baseY, 1.4],
+                        startPoint: [1.4, baseY, 1.4],
+                        endPoint: [-1.43, baseY, 1.37],
                         height: 2.2,
                         divisions: divisions,
                         offset: wallOffset
@@ -852,7 +856,9 @@
 
         // 监听放置区域点击事件
         kernel.on('dropzone:click', async (dropzone_data) => {
-            const { position,rotation } = dropzone_data.transform;
+            console.log(dropzone_data);
+
+            const { position, rotation } = dropzone_data.transform;
 
             // 将模型放置到该区域
             try {
@@ -866,11 +872,13 @@
                     // 使用 for...of 循环以支持 await
                     for (const event of result.data.events) {
                         if (event.event_type === 'change_model') {
-                            const { file_url, model_control_type, category } = event.target_data;
+                            console.log( event.target_data);
+                            
+                            const {id, name,file_url, model_control_type, category } = event.target_data;
                             console.log('替换百叶模型:', event);
-
-                            await kernel.model.replace({
-                                modelId: category,
+                            console.log('替换百叶模型类型:', category);
+                            await kernel.model.add({
+                                modelId: id+Date.now(),
                                 modelUrl: file_url,
                                 modelControlType: model_control_type,
                                 drag: {
@@ -885,7 +893,7 @@
                                 }
                             });
 
-                            console.log(`百叶模型已替换为 ${currentText}`);
+                            console.log(`百叶模型已替换为 ${name}`);
                         }
 
                         if (event.event_type === 'change_color') {
diff --git a/src/babylonjs/AppRay.ts b/src/babylonjs/AppRay.ts
index 6358180..a6db1e3 100644
--- a/src/babylonjs/AppRay.ts
+++ b/src/babylonjs/AppRay.ts
@@ -93,7 +93,7 @@ class AppRay extends Monobehiver {
         const clickedZone = zones.find(zone => zone.mesh === pickInfo.pickedMesh);
         if (clickedZone) {
           // 计算该放置区域的目标位置和旋转
-          const offsetDistance = 0.1;
+          const offsetDistance = 0.05;  // 增加偏移距离，让模型更往外
           const targetPosition = clickedZone.center.add(clickedZone.normal.scale(offsetDistance));
           const targetDirection = clickedZone.normal.scale(-1);
           const angle = Math.atan2(targetDirection.x, targetDirection.z);