change to milvus standlone

data_handling.py

@@ -14,6 +14,7 @@ from config import (
     MILVUS_PERSIST_BASE_DIR,
     MILVUS_INDEX_PARAMS,
     MILVUS_SEARCH_PARAMS,
+    MILVUS_STAND_URI,
 )
 
 logger = logging.getLogger(__name__)  # Use logger
@@ -38,7 +39,7 @@ def initialize_milvus_lite(user_id: str) -> MilvusDocumentStore:
     print(f"Expecting Embedding Dimension (for first write): {OPENAI_EMBEDDING_DIM}")
 
     document_store = MilvusDocumentStore(
-        connection_args={"uri": milvus_uri},
+        connection_args={"uri": MILVUS_STAND_URI},
         collection_name=user_id,  # Default or customize
         index_params=MILVUS_INDEX_PARAMS,  # Pass index config
         search_params=MILVUS_SEARCH_PARAMS,  # Pass search config