From 96e4c8ebe078c1e8790f9d4ee62b630e3c3ceb66 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Sun, 1 Feb 2026 16:48:40 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E7=94=BB=E5=B8=83=E8=81=8A=E5=A4=A9?=
 =?UTF-8?q?=E9=9D=A2=E6=9D=BF=E8=BF=87=E6=BB=A4=E7=A9=BA=E6=B6=88=E6=81=AF?=
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Co-authored-by: Cursor <cursoragent@cursor.com>
---
 components/canvas/CanvasChatPanel.tsx | 34 ++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index f5804d8ae..11256b6d3 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -675,7 +675,34 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
             </div>
           )}
           
-          {messages.map((message) => (
+          {messages.map((message) => {
+            // 🆕 清理消息中的内部标记并检查是否有实际内容
+            const cleanedParts = message.parts?.map((part: any) => {
+              if (part.type === 'text' && part.text) {
+                return {
+                  ...part,
+                  text: part.text.replace(/\n*<!-- GENERATING_IMAGE -->\n*/g, '').trim()
+                };
+              }
+              return part;
+            });
+            
+            // 检查清理后是否有内容
+            const hasContent = cleanedParts?.some((part: any) => {
+              if (part.type === 'text') return part.text && part.text.trim().length > 0;
+              if (part.type === 'file' || part.type === 'image') return part.url;
+              return true;
+            });
+            
+            // 没有内容则不渲染
+            if (!hasContent && cleanedParts?.length > 0) {
+              return null;
+            }
+            
+            // 使用清理后的消息
+            const cleanedMessage = { ...message, parts: cleanedParts };
+            
+            return (
             <div
               key={message.id}
               className={cn(
@@ -731,7 +758,7 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
                   
                   {/* 消息内容 */}
                   <div className="whitespace-pre-wrap break-words leading-relaxed">
-                    {message.parts?.map((part: any, i: number) => {
+                    {cleanedMessage.parts?.map((part: any, i: number) => {
                       if (part.type === 'text') {
                         // 提取并显示图片
                         const imageUrls = extractImageUrls(part.text || '');
@@ -766,7 +793,8 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
                 </div>
               </div>
             </div>
-          ))}
+          );
+          })}
           
           {isLoading && (
             <div className="flex gap-3">