From dab44f38255591896528ed5a707b843803ff61d1 Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Tue, 7 Jul 2026 21:21:12 +0800
Subject: [PATCH] fix canvas agent duplicate user message

---
 components/canvas/CanvasChatPanel.tsx | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index d9eadd00f..96e36c683 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -11006,20 +11006,16 @@ export function CanvasChatPanel({
       metadata: optimisticUserMetadata,
     } as ChatMessage;
 
-    setMessages((previousMessages) =>
-      sortCanvasMessagesByCreatedAt([
-        ...previousMessages.filter((message) => message.id !== userMessageId),
-        optimisticUserMessage,
-      ])
-    );
-
     // 使用与 multimodal-input 相同的格式发送消息
     try {
       sendMessage(optimisticUserMessage as any);
-    } catch (error) {
       setMessages((previousMessages) =>
-        previousMessages.filter((message) => message.id !== userMessageId)
+        sortCanvasMessagesByCreatedAt([
+          ...previousMessages.filter((message) => message.id !== userMessageId),
+          optimisticUserMessage,
+        ])
       );
+    } catch (error) {
       releaseSendGuard(activeChatId);
       if (shouldShowOptimisticImageGeneration) {
         clearStreamImageGenerationStateForChat(activeChatId);