diff --git a/influxdb_api.py b/influxdb_api.py
index 31d93fa..bc4c877 100644
--- a/influxdb_api.py
+++ b/influxdb_api.py
@@ -3361,7 +3361,6 @@ def query_corresponding_query_id_and_element_id(name: str) -> None:
     :return:
     """
     # 连接数据库
-    conn_string = f"dbname={db_name} host={db_host} user={db_user} password={db_password}"
     conn_string = get_pgconn_string(db_name=name)
     try:
         with psycopg.connect(conn_string) as conn: