From b8b73e4932342197d6e21bf498e63f5a6a3738fa Mon Sep 17 00:00:00 2001
From: Wenjie Zhang <xerrors@163.com>
Date: Mon, 6 Oct 2025 21:56:48 +0800
Subject: [PATCH] =?UTF-8?q?fix(knowledge):=20=E4=BF=AE=E5=A4=8D=20get=5Fkb?=
 =?UTF-8?q?=20=E4=B8=8D=E5=AD=98=E5=9C=A8=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/knowledge/manager.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/knowledge/manager.py b/src/knowledge/manager.py
index 1fcf6274..2733c0ff 100644
--- a/src/knowledge/manager.py
+++ b/src/knowledge/manager.py
@@ -123,6 +123,14 @@ class KnowledgeBaseManager:
     # 统一的外部接口 - 与原始 LightRagBasedKB 兼容
     # =============================================================================
 
+    def get_kb(self, db_id: str) -> KnowledgeBase:
+        """Public accessor to fetch the underlying knowledge base instance by database id.
+
+        This provides a simple compatibility layer for callers that expect a
+        `get_kb` method on the manager.
+        """
+        return self._get_kb_for_database(db_id)
+
     def get_databases(self) -> dict:
         """获取所有数据库信息"""
         all_databases = []