diff --git a/src/future/order.rs b/src/future/order.rs
index 3d3b91e..80d581e 100644
--- a/src/future/order.rs
+++ b/src/future/order.rs
@@ -336,7 +336,7 @@ pub async fn limit_order_close(
                         let mut update_values = vec![];
                         update_values.push((String::from("order_type"), (String::from("CLOSING"))));
                         update_values.push((String::from("order_id"), T.get("orderId").unwrap().as_u64().unwrap().to_string()));
-                        update_values.push((String::from("transact_time"), server_epoch.to_string()));
+                        update_values.push((String::from("registered_server_epoch"), server_epoch.to_string()));
 
                         // status
                         if T.get("status").unwrap().as_str().unwrap() == "NEW" {
@@ -423,6 +423,21 @@ pub async fn monitoring_unfilled_order(
 
     let open_closing_orders = select_open_closing_orders().await;
     if !open_closing_orders.is_empty() {
+        let server_epoch = get_server_epoch().await;
+        for element in open_closing_orders {
+            query_open_closing_order(&element, &client).await;
+        }
+        
+        // let orders_outdated = open_closing_orders
+        //     .iter()
+        //     .filter(|&element| server_epoch - element.registered_server_epoch >= 30_000)
+        //     .collect::<Vec<&PositionCoinList>>(); // wait up to 30 secs
+        // let orders_to_be_queried = open_closing_orders
+        //     .iter()
+        //     .filter(|&element| server_epoch - element.registered_server_epoch < 30_000)
+        //     .collect::<Vec<&PositionCoinList>>();
+
+        
     }
 
     Ok(())
@@ -670,6 +685,117 @@ pub async fn query_open_positioning_order(
     Ok(())
 }
 
+pub async fn query_open_closing_order(
+    order: &PositionCoinList,
+    client: &Client,
+) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
+    // building URL and API-keys
+    let mut url = String::new();
+    let mut api_key = String::new();
+    unsafe {
+        if RUNNING_MODE == TEST {
+            url.push_str(FUTURES_URL_TEST);
+            api_key = API_KEY_TESTNET.to_string();
+        } else if RUNNING_MODE == REAL {
+            url.push_str(FUTURES_URL);
+            api_key = API_KEY.to_string();
+        }
+    }
+
+    let endpoint_url = "/fapi/v1/order?";
+    url.push_str(endpoint_url);
+
+    let mut url_build = String::new();
+
+    // add parameters into URL
+    url_build.push_str("&symbol=");
+    url_build.push_str(&order.symbol);
+    url_build.push_str("&orderId=");
+    url_build.push_str(order.order_id.to_string().as_str());
+
+    hmac_signature(&mut url_build).await;
+    url.push_str(&url_build);
+
+    let res = client
+        .get(&url)
+        .header("X-MBX-APIKEY", api_key)
+        .send()
+        .await?;
+
+    let body = res.text_with_charset("utf-8").await.unwrap();
+    println!("body: {}", body);
+    // deserialize JSON and then update record in table
+    let v = serde_json::from_str::<Value>(body.as_str());
+
+    // match v {
+    //     Ok(T) => {
+    //         if T.get("status")
+    //             .is_some_and(|a| a.as_str().unwrap() == "FILLED")
+    //             || T.get("status")
+    //                 .is_some_and(|a| a.as_str().unwrap() == "PARTIALLY_FILLED")
+    //         {
+    //             if exchange_info_map.contains_key(&order.symbol)
+    //                 && trade_fee_map.contains_key(&order.symbol)
+    //             {
+    //                 let quote_asset_precision = exchange_info_map
+    //                     .get(&order.symbol)
+    //                     .unwrap()
+    //                     .quote_asset_precision;
+    //                 let trade_fee = trade_fee_map.get(&order.symbol).unwrap().takercommission;
+    //                 let get_usdt = rust_decimal::prelude::FromStr::from_str(
+    //                     T.get("cummulativeQuoteQty").unwrap().as_str().unwrap(),
+    //                 )
+    //                 .unwrap();
+    //                 let get_usdt_fee_adjusted =
+    //                     decimal_mul(get_usdt, decimal_sub(dec!(1), trade_fee))
+    //                         .round_dp_with_strategy(
+    //                             quote_asset_precision,
+    //                             RoundingStrategy::ToZero,
+    //                         );
+    //                 let ordered_base_qty = rust_decimal::prelude::FromStr::from_str(
+    //                     T.get("executedQty").unwrap().as_str().unwrap(),
+    //                 )
+    //                 .unwrap();
+    //                 let sell_price = decimal_div(get_usdt, ordered_base_qty)
+    //                     .round_dp_with_strategy(quote_asset_precision, RoundingStrategy::ToZero);
+    //                 let pure_profit_percent = decimal_mul(
+    //                     decimal_sub(decimal_div(get_usdt_fee_adjusted, order.used_usdt), dec!(1)),
+    //                     dec!(100),
+    //                 )
+    //                 .round_dp(2);
+
+    //                 let table_name = String::from("sell_ordered_coin_list");
+    //                 let mut value_build = String::from("\'");
+    //                 value_build.push_str(T.get("status").unwrap().as_str().unwrap());
+    //                 value_build.push('\'');
+
+    //                 let update_values = vec![
+    //                     (String::from("status"), value_build),
+    //                     (String::from("get_usdt"), get_usdt.to_string()),
+    //                     (
+    //                         String::from("get_usdt_fee_adjusted"),
+    //                         get_usdt_fee_adjusted.to_string(),
+    //                     ),
+    //                     (String::from("sell_price"), sell_price.to_string()),
+    //                     (
+    //                         String::from("pure_profit_percent"),
+    //                         pure_profit_percent.to_string(),
+    //                     ),
+    //                 ];
+    //                 let update_condition = vec![(String::from("id"), order.id.to_string())];
+    //                 update_record3(&table_name, &update_values, &update_condition)
+    //                     .await
+    //                     .unwrap();
+    //             }
+    //         }
+    //     }
+    //     Err(e) => {
+    //         log::warn!("query sell order failed!: {}", body);
+    //     }
+    // }
+    Ok(())
+}
+
 // 
 pub async fn set_initial_leverage(symbol: &String, leverage_ratio: i32, client: &Client) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     // building URL and API-keys