diff --git a/server/knowledge_base/kb_cache/faiss_cache.py b/server/knowledge_base/kb_cache/faiss_cache.py
index 325c7bb..8cc3c31 100644
--- a/server/knowledge_base/kb_cache/faiss_cache.py
+++ b/server/knowledge_base/kb_cache/faiss_cache.py
@@ -58,21 +58,22 @@ class _FaissPool(CachePool):
 
 class KBFaissPool(_FaissPool):
     def load_vector_store(
-        self,
-        kb_name: str,
-        create: bool = True,
-        embed_model: str = EMBEDDING_MODEL,
-        embed_device: str = embedding_device(),
+            self,
+            kb_name: str,
+            vector_name: str = "vector_store",
+            create: bool = True,
+            embed_model: str = EMBEDDING_MODEL,
+            embed_device: str = embedding_device(),
     ) -> ThreadSafeFaiss:
         self.atomic.acquire()
-        cache = self.get(kb_name)
+        cache = self.get(kb_name+vector_name)
         if cache is None:
             item = ThreadSafeFaiss(kb_name, pool=self)
-            self.set(kb_name, item)
+            self.set(kb_name+vector_name, item)
             with item.acquire(msg="初始化"):
                 self.atomic.release()
-                logger.info(f"loading vector store in '{kb_name}' from disk.")
-                vs_path = get_vs_path(kb_name)
+                logger.info(f"loading vector store in '{kb_name}/{vector_name}' from disk.")
+                vs_path = get_vs_path(kb_name, vector_name)
 
                 if os.path.isfile(os.path.join(vs_path, "index.faiss")):
                     embeddings = self.load_kb_embeddings(kb_name=kb_name, embed_device=embed_device)
@@ -89,7 +90,7 @@ class KBFaissPool(_FaissPool):
                 item.finish_loading()
         else:
             self.atomic.release()
-        return self.get(kb_name)
+        return self.get(kb_name+vector_name)
 
 
 class MemoFaissPool(_FaissPool):
@@ -144,7 +145,7 @@ if __name__ == "__main__":
         if r == 3: # delete docs
             logger.warning(f"清除 {vs_name} by {name}")
             kb_faiss_pool.get(vs_name).clear()
-    
+
     threads = []
     for n in range(1, 30):
         t = threading.Thread(target=worker,
@@ -152,6 +153,6 @@ if __name__ == "__main__":
                              daemon=True)
         t.start()
         threads.append(t)
-    
+
     for t in threads:
         t.join()
diff --git a/server/knowledge_base/utils.py b/server/knowledge_base/utils.py
index 033b48d..d38d9c6 100644
--- a/server/knowledge_base/utils.py
+++ b/server/knowledge_base/utils.py
@@ -8,8 +8,8 @@ from configs import (
     CHUNK_SIZE,
     OVERLAP_SIZE,
     ZH_TITLE_ENHANCE,
-    logger, 
-    log_verbose, 
+    logger,
+    log_verbose,
     text_splitter_dict,
     LLM_MODEL,
     TEXT_SPLITTER_NAME,
@@ -42,8 +42,8 @@ def get_doc_path(knowledge_base_name: str):
     return os.path.join(get_kb_path(knowledge_base_name), "content")
 
 
-def get_vs_path(knowledge_base_name: str):
-    return os.path.join(get_kb_path(knowledge_base_name), "vector_store")
+def get_vs_path(knowledge_base_name: str, vector_name: str):
+    return os.path.join(get_kb_path(knowledge_base_name), vector_name)
 
 
 def get_file_path(knowledge_base_name: str, doc_name: str):
@@ -391,4 +391,4 @@ if __name__ == "__main__":
     pprint(docs[-1])
 
     docs = kb_file.file2text()
-    pprint(docs[-1])
\ No newline at end of file
+    pprint(docs[-1])