diff --git a/dsRag/Start.py b/dsRag/Start.py
index 4092d5d9..d8807fbf 100644
--- a/dsRag/Start.py
+++ b/dsRag/Start.py
@@ -1,27 +1,26 @@
-import asyncio
+import urllib.parse
 from contextlib import asynccontextmanager
+from io import BytesIO
 from logging.handlers import RotatingFileHandler
 
+import html2text
 import jieba  # 导入 jieba 分词库
 import uvicorn
+from docx import Document
 from fastapi import FastAPI, Request, HTTPException
-from pydantic import BaseModel, Field, ValidationError
 from fastapi.staticfiles import StaticFiles
-from openai import OpenAI
-from sse_starlette.sse import EventSourceResponse
 from gensim.models import KeyedVectors
+from openai import OpenAI
+from pydantic import BaseModel, Field, ValidationError
 from starlette.responses import StreamingResponse
 
 from Config import Config
-from Config.Config import MS_MODEL_PATH, MS_MODEL_LIMIT, MS_HOST, MS_PORT, MS_MAX_CONNECTIONS, MS_NPROBE, DEEPSEEK_API_KEY, DEEPSEEK_URL, MS_COLLECTION_NAME
+from Config.Config import MS_MODEL_PATH, MS_MODEL_LIMIT, MS_HOST, MS_PORT, MS_MAX_CONNECTIONS, MS_NPROBE, \
+    MS_COLLECTION_NAME
 from Milvus.Utils.MilvusCollectionManager import MilvusCollectionManager
 from Milvus.Utils.MilvusConnectionPool import *
 from Milvus.Utils.MilvusConnectionPool import MilvusConnectionPool
-from docx import Document
-from docx.shared import Inches
-from io import BytesIO
-import html2text
-import urllib.parse
+
 # 初始化日志
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
@@ -93,7 +92,7 @@ async def generate_stream(client, milvus_pool, collection_manager, query):
         results = collection_manager.search(current_embedding, search_params, limit=5)  # 返回 2 条结果
 
         # 3. 处理搜索结果
-        logger.info("最相关的历史对话:")
+        logger.info("最相关的知识库内容:")
         context = ""
         if results:
             for hits in results:
@@ -101,17 +100,18 @@ async def generate_stream(client, milvus_pool, collection_manager, query):
                     try:
                         # 查询非向量字段
                         record = collection_manager.query_by_id(hit.id)
-                        logger.info(f"ID: {hit.id}")
-                        logger.info(f"标签: {record['tags']}")
-                        logger.info(f"用户问题: {record['user_input']}")
-                        
-                        # 获取完整内容
-                        full_content = record['tags'].get('full_content', record['user_input'])
-                        context = context + full_content
-                        
-                        logger.info(f"时间: {record['timestamp']}")
-                        logger.info(f"距离: {hit.distance}")
-                        logger.info("-" * 40)  # 分隔线
+                        if hit.distance < 0.88: # 设置距离阈值
+                            logger.info(f"ID: {hit.id}")
+                            logger.info(f"标签: {record['tags']}")
+                            logger.info(f"用户问题: {record['user_input']}")
+
+                            logger.info(f"时间: {record['timestamp']}")
+                            logger.info(f"距离: {hit.distance}")
+                            logger.info("-" * 40)  # 分隔线
+                            # 获取完整内容
+                            full_content = record['tags'].get('full_content', record['user_input'])
+                            context = context + full_content
+
                     except Exception as e:
                         logger.error(f"查询失败: {e}")
         else: