diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 25b633880..b5bef02c9 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -319,10 +319,10 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
             currentAttachments.length + i
           );
           
-          // 添加到附件列表（带物品信息）
+          // 添加到附件列表（带物品信息，原图片 URL 会发送给 AI 用于多图融合编辑）
           currentAttachments.push({
-            url: picked.imageUrl,
-            name: `🎯 ${picked.objectName}`,
+            url: picked.imageUrl,  // 原图片 URL
+            name: `${picked.objectName}-${picked.objectPosition}`,  // 物品名称-位置
             contentType: 'image/jpeg',
             pickedObject: {
               objectName: picked.objectName,