diff --git a/libs/chatchat-server/chatchat/server/knowledge_base/kb_cache/faiss_cache.py b/libs/chatchat-server/chatchat/server/knowledge_base/kb_cache/faiss_cache.py
index ec8adba2..36d21162 100644
--- a/libs/chatchat-server/chatchat/server/knowledge_base/kb_cache/faiss_cache.py
+++ b/libs/chatchat-server/chatchat/server/knowledge_base/kb_cache/faiss_cache.py
@@ -110,7 +110,8 @@ class KBFaissPool(_FaissPool):
 
                     if os.path.isfile(os.path.join(vs_path, "index.faiss")):
                         embeddings = get_Embeddings(embed_model=embed_model)
-                        vector_store = FAISS.load_local(vs_path, embeddings, normalize_L2=True)
+                        vector_store = FAISS.load_local(vs_path, embeddings, normalize_L2=True,
+                                                        allow_dangerous_deserialization=True)
                     elif create:
                         # create an empty vector store
                         if not os.path.exists(vs_path):