diff --git a/db_utils.py b/db_utils.py
index 8ce0a17..4c2f1bb 100644
--- a/db_utils.py
+++ b/db_utils.py
@@ -1,12 +1,8 @@
 #!/usr/bin/env python3
 # -*- coding:utf-8 -*-
-from loguru import logger
 from sqlalchemy import Column, Integer, String, create_engine
 from sqlalchemy.orm import declarative_base, sessionmaker
 
-from bak.evolve_config2 import train_data
-from bak.init_data import BatchDataBase
-
 Base = declarative_base()
 # 创建 SQLite 数据库引擎
 engine = create_engine('sqlite:///data.db', echo=False)
@@ -30,4 +26,4 @@ class BatchData(Base):
 Base.metadata.create_all(engine)
 
 Session = sessionmaker(bind=engine, )
-session = Session()
\ No newline at end of file
+session = Session()