diff --git a/app/rag_chain.py b/app/rag_chain.py
index 99f6425..ffd1bda 100644
--- a/app/rag_chain.py
+++ b/app/rag_chain.py
@@ -2,10 +2,8 @@
 import os
 import weaviate
 from weaviate.classes.init import Auth
-from langchain.embeddings import HuggingFaceEmbeddings  # 필요 시 HuggingFaceEmbeddings로 교체 가능
 from langchain.vectorstores import Weaviate
 from langchain.chains import RetrievalQA
-from langchain.llms import HuggingFaceHub
 from langchain.chat_models import ChatOpenAI
 from langchain.embeddings import OpenAIEmbeddings
 
@@ -13,12 +11,23 @@ def build_rag_chain():
     # 1. Weaviate 클라이언트
     auth_config = weaviate.AuthApiKey(api_key="01jryrcctd8c8vxbj4bs2ywrgs")
 
-    client = weaviate.connect_to_weaviate_cloud(cluster_url="http://183.111.96.67:32668", 
-                             auth_credentials=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),
-                            headers={
-        "X-OpenAI-Api-Key": "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"  # 필요할 경우
-    })
-    
+    # client = weaviate.connect_to_weaviate_cloud(cluster_url="http://183.111.96.67:32668", 
+    #                          auth_credentials=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),
+    #                         headers={
+    #     "X-OpenAI-Api-Key": "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"  # 필요할 경우
+    # })
+    client = weaviate.Client(
+        url="http://183.111.96.67:32668",  # 예: "http://183.111.96.67:32668"
+        auth_client_secret=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),  # 필요 없으면 제거
+        additional_headers={
+            "X-OpenAI-Api-Key": "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"  # 필요할 경우
+        }  
+    )
+
+  if client.is_ready():
+    print("Weaviate 연결 성공!")
+  else:
+    print("연결 실패. 서버 상태를 확인하세요.")
 
 
     # 2. 벡터스토어