From ffa8738a78e48460119286c8356d95b375ea839a Mon Sep 17 00:00:00 2001
From: balibabu <cike8899@users.noreply.github.com>
Date: Wed, 22 Apr 2026 23:22:51 +0800
Subject: [PATCH] Fix: Remove duplicate text output from the thought model on
 the chat page. (#14301)

### What problem does this PR solve?

Fix: Remove duplicate text output from the thought model on the chat
page.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 web/src/hooks/logic-hooks.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/src/hooks/logic-hooks.ts b/web/src/hooks/logic-hooks.ts
index 1ef34170c0..dd4e6446f4 100644
--- a/web/src/hooks/logic-hooks.ts
+++ b/web/src/hooks/logic-hooks.ts
@@ -275,7 +275,7 @@ export const useSendMessageWithSse = () => {
                 if (typeof d !== 'boolean') {
                   setAnswer((prev) => {
                     const prevAnswer = prev.answer || '';
-                    const currentAnswer = d.answer || '';
+                    const currentAnswer = d.final ? '' : d.answer || '';
 
                     let newAnswer: string;
                     if (prevAnswer && currentAnswer.startsWith(prevAnswer)) {