diff --git a/vdb/milvus.py b/vdb/milvus.py
index 9a1471a..41114fa 100644
--- a/vdb/milvus.py
+++ b/vdb/milvus.py
@@ -24,7 +24,7 @@ class MilvusManager(BaseVDB):
 	def __new__(cls, *args, **kwargs):
 		with cls._lock:
 			if cls._instance is None:
-				cls._instance = super(MilvusDBConnection, cls).__new__(cls)
+				cls._instance = super(MilvusManager, cls).__new__(cls)
 				cls._instance._initialized = False
 			return cls._instance
 
@@ -34,7 +34,7 @@ class MilvusManager(BaseVDB):
 			return
 		try:
 			config = getConfig()
-			self.db_path = config['milvus_db']
+			self.db_path = config.milvus_db
 			debug(f"dbpath: {self.db_path}")
 		except KeyError as e:
 			error(f"配置文件缺少必要字段: {str(e)}")