diff --git a/prefect.yaml b/prefect.yaml
index 3a55074..5d6b33a 100644
--- a/prefect.yaml
+++ b/prefect.yaml
@@ -16,10 +16,7 @@ deployments:
       - feishu
       - channel-inventory-sync
     schedules:
-      - cron: "15 9 * * *"
-        timezone: "Asia/Shanghai"
-        active: true
-      - cron: "15 19 * * *"
+      - cron: "15 9,19 * * *"
         timezone: "Asia/Shanghai"
         active: true
     work_pool:
@@ -39,10 +36,7 @@ deployments:
       - feishu
       - batch-inventory-report
     schedules:
-      - cron: "15 9 * * *"
-        timezone: "Asia/Shanghai"
-        active: true
-      - cron: "15 19 * * *"
+      - cron: "15 9,19 * * *"
         timezone: "Asia/Shanghai"
         active: true
     work_pool:
diff --git a/prefect_inventory_scheduler.py b/prefect_inventory_scheduler.py
index b718650..2728227 100644
--- a/prefect_inventory_scheduler.py
+++ b/prefect_inventory_scheduler.py
@@ -155,14 +155,14 @@ def main() -> None:
     if args.serve_channel_inventory_sync:
         inventory_channel_inventory_sync_flow.serve(
             name="channel-inventory-sync-0915-1915",
-            cron=("15 9 * * *", "15 19 * * *"),
+            cron="15 9,19 * * *",
             tags=["inventory", "feishu", "channel-inventory-sync"],
         )
         return
     if args.serve_batch_inventory_report:
         inventory_batch_inventory_report_flow.serve(
             name="batch-inventory-report-0915-1915",
-            cron=("15 9 * * *", "15 19 * * *"),
+            cron="15 9,19 * * *",
             parameters=flow_kwargs,
             tags=["inventory", "feishu", "batch-inventory-report"],
         )