diff --git a/src/coex/order_team.rs b/src/coex/order_team.rs
index b75ec9d..c26415a 100644
--- a/src/coex/order_team.rs
+++ b/src/coex/order_team.rs
@@ -343,7 +343,7 @@ pub async fn limit_order_buy(
                             .unwrap()
                             .base_asset_precision;
                         let buy_price = decimal_div(cummulative_quote_qty, base_qty_ordered)
-                            .round_dp_with_strategy(base_asset_precision, RoundingStrategy::ToZero);
+                            .round_dp_with_strategy(8, RoundingStrategy::ToZero);
 
                         insert_value_container.push(cummulative_quote_qty.to_string()); // used_usdt
                         insert_value_container.push(0.0.to_string()); // expected_get_usdt
@@ -564,7 +564,7 @@ pub async fn monitoring_filled_buy_order(
                                     target_profit_percent(0.2)
                                 );
                                 is_sell = true;
-                            } else if server_epoch - element.close_time > (1_800) * 10 // 30min * 10
+                            } else if server_epoch - element.close_time > (1_800_000) * 10 // 30min * 10
                             {
                                 println!(
                                     "selling {} due to time up {:.3}",
@@ -1240,7 +1240,7 @@ pub async fn cancel_buy_order(
                             .unwrap()
                             .base_asset_precision;
                         let buy_price = decimal_div(cummulative_quote_qty, base_qty_ordered)
-                            .round_dp_with_strategy(base_asset_precision, RoundingStrategy::ToZero);
+                            .round_dp_with_strategy(8, RoundingStrategy::ToZero);
 
                         let update_values = vec![
                             (String::from("status"), status_value_build), // status
@@ -1719,7 +1719,7 @@ pub async fn query_buy_order(
                         .unwrap()
                         .base_asset_precision;
                     let buy_price = decimal_div(cummulative_quote_qty, base_qty_ordered)
-                        .round_dp_with_strategy(base_asset_precision, RoundingStrategy::ToZero);
+                        .round_dp_with_strategy(8, RoundingStrategy::ToZero);
 
                     let update_values = vec![
                         (String::from("status"), value_build), // status