diff --git a/ClickHouse/C1_GetStructure.py b/ClickHouse/C1_GetStructure.py
index 2ab24475..39cadee4 100644
--- a/ClickHouse/C1_GetStructure.py
+++ b/ClickHouse/C1_GetStructure.py
@@ -1,6 +1,5 @@
 import pymysql
 import re
-from config.db_config import *
 from config.db_config import MYSQL_CONFIG
 
 def get_mysql_table_structure(config, table):
@@ -135,8 +134,8 @@ def generate_clickhouse_ddl(table_name, columns, indexes, primary_keys):
 
 # 使用示例
 if __name__ == '__main__':
+    # 生成 t_station表的DDL
     table = 't_station'
-
     # 获取表结构
     columns, indexes, primary_keys = get_mysql_table_structure(MYSQL_CONFIG, table)