chore(dialog): 调整相似度阈值以优化匹配效果

- 在 dialog_service.py 中设置更小的相似度阈值（从 0.1 调整到 0.01）
- 更新 docker-compose.yml 和 docker-compose_gpu.yml，挂载 dialog_service.py 文件

api/db/services/dialog_service.py

@@ -495,8 +495,10 @@ def ask(question, kb_ids, tenant_id):
     max_tokens = chat_mdl.max_length
     # 获取所有知识库的租户ID并去重
     tenant_ids = list(set([kb.tenant_id for kb in kbs]))
+    # 设置更小的相似度阈值以适配更好的效果(原始值0.1)
+    similarity_threshold = 0.01
     # 调用检索器检索相关文档片段
-    kbinfos = retriever.retrieval(question, embd_mdl, tenant_ids, kb_ids, 1, 12, 0.1, 0.3, aggs=False, rank_feature=label_question(question, kbs))
+    kbinfos = retriever.retrieval(question, embd_mdl, tenant_ids, kb_ids, 1, 12, similarity_threshold, 0.3, aggs=False, rank_feature=label_question(question, kbs))
     # 将检索结果格式化为提示词，并确保不超过模型最大token限制
     knowledges = kb_prompt(kbinfos, max_tokens)
     prompt = """

docker/docker-compose.yml

@@ -18,6 +18,7 @@ services:
       - ./nginx/proxy.conf:/etc/nginx/proxy.conf
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf
       - ../api/db/services/database.py:/ragflow/api/db/services/database.py
+      - ../api/db/services/dialog_service.py:/ragflow/api/db/services/dialog_service.py
     env_file: .env
     environment:
       - TZ=${TIMEZONE}

docker/docker-compose_gpu.yml

@@ -18,6 +18,7 @@ services:
       - ./nginx/proxy.conf:/etc/nginx/proxy.conf
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf
       - ../api/db/services/database.py:/ragflow/api/db/services/database.py
+      - ../api/db/services/dialog_service.py:/ragflow/api/db/services/dialog_service.py
     env_file: .env
     environment:
       - TZ=${TIMEZONE}