diff --git a/dev/workflow/TK_Cust/ser_main/服务器维护/wf_dag_ser_main.py b/dev/workflow/TK_Cust/ser_main/服务器维护/wf_dag_ser_main.py
index 5bda871..228ca9b 100644
--- a/dev/workflow/TK_Cust/ser_main/服务器维护/wf_dag_ser_main.py
+++ b/dev/workflow/TK_Cust/ser_main/服务器维护/wf_dag_ser_main.py
@@ -24,7 +24,7 @@ default_args = {
 }
 
 dag = DAG('wf_dag_ser_main', default_args=default_args,
-schedule_interval="0 0 * * *",
+schedule_interval="0 0 * * 6",
 catchup=False,
 dagrun_timeout=timedelta(minutes=160),
 max_active_runs=3)