From 2c5dc64e1f76fa6e71c519db66cd347b865fcdc2 Mon Sep 17 00:00:00 2001
From: tt-P607 <68868379+tt-P607@users.noreply.github.com>
Date: Thu, 23 Oct 2025 02:25:15 +0800
Subject: [PATCH] =?UTF-8?q?feat(chat):=20=E4=B8=BA=E7=9F=A5=E8=AF=86?=
 =?UTF-8?q?=E5=BA=93=E6=AE=B5=E8=90=BD=E5=A2=9E=E5=8A=A0=E7=9B=B8=E5=85=B3?=
 =?UTF-8?q?=E6=80=A7=E9=98=88=E5=80=BC=E8=BF=87=E6=BB=A4?=
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根据 `qa_paragraph_threshold` 配置，跳过相关性得分低于阈值的知识库段落。

这可以防止低相关性的知识污染上下文，从而提高生成回答的质量和准确性。
---
 src/chat/utils/prompt.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/chat/utils/prompt.py b/src/chat/utils/prompt.py
index 74bbd16cd..2931b1b08 100644
--- a/src/chat/utils/prompt.py
+++ b/src/chat/utils/prompt.py
@@ -748,6 +748,8 @@ class Prompt:
                     if content:
                         try:
                             relevance_float = float(relevance)
+                            if relevance_float < global_config.lpmm_knowledge.qa_paragraph_threshold:
+                                continue  # 跳过不符合阈值的知识
                             relevance_str = f"{relevance_float:.2f}"
                         except (ValueError, TypeError):
                             relevance_str = str(relevance)