From 0d7584edf117468e788637e03e5b46c38e21ce36 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Sun, 18 Jan 2026 11:43:12 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=9C=A8=20Response=20=E7=BB=84?=
 =?UTF-8?q?=E4=BB=B6=E7=9A=84=20key=20=E4=B8=AD=E5=8C=85=E5=90=AB=E5=A4=84?=
 =?UTF-8?q?=E7=90=86=E7=8A=B6=E6=80=81?=
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- 确保 isProcessing* 状态变化时整个 Response/Streamdown 重新创建
- 解决 Streamdown 内部缓存导致 ImagePreview 不更新的问题
---
 components/message.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/message.tsx b/components/message.tsx
index 75f2f2957..7a75aba2d 100644
--- a/components/message.tsx
+++ b/components/message.tsx
@@ -301,9 +301,11 @@ const PurePreviewMessage = ({
                             </span>
                           );
                         }
+                        // 使用处理状态作为 key 的一部分，确保状态变化时 Streamdown 重新渲染
+                        const processingKey = `${isProcessingEnhance}-${isProcessingRmbg}-${isProcessingExtend}-${isProcessingAngleEdit}`;
                         return (
                           <Response 
-                            key={partIndex} 
+                            key={`${partIndex}-${processingKey}`} 
                             onImageEdit={onImageEdit} 
                             onDrawingComplete={onDrawingComplete}
                             onImageEnhance={onImageEnhance}