diff --git a/src/future/order.rs b/src/future/order.rs
index d10d6e2..08bd648 100644
--- a/src/future/order.rs
+++ b/src/future/order.rs
@@ -297,11 +297,11 @@ pub async fn monitoring_unfilled_order(
         let server_epoch = get_server_epoch().await;
         let orders_outdated = open_positioning_orders
             .iter()
-            .filter(|&element| server_epoch - element.transact_time >= 60_000)
+            .filter(|&element| server_epoch - element.registered_server_epoch >= 60_000)
             .collect::<Vec<&PositionCoinList>>(); // wait up to 60 secs
         let orders_to_be_queried = open_positioning_orders
             .iter()
-            .filter(|&element| server_epoch - element.transact_time < 60_000)
+            .filter(|&element| server_epoch - element.registered_server_epoch < 60_000)
             .collect::<Vec<&PositionCoinList>>();
 
         // cancel orders outdated over 3mins and delete the records in [buy_ordered_coin_list]