diff --git a/src/coex/assets_managing_team.rs b/src/coex/assets_managing_team.rs
index c27efff..474ea22 100644
--- a/src/coex/assets_managing_team.rs
+++ b/src/coex/assets_managing_team.rs
@@ -10,6 +10,7 @@ use rust_decimal::{prelude::ToPrimitive, Decimal, RoundingStrategy};
 use rust_decimal_macros::dec;
 use serde_json::{Result, Value};
 use sqlx::FromRow;
+use crate::coex::order_team::DBlist;
 
 #[derive(Debug, FromRow)]
 pub struct AssetInfo {
@@ -23,6 +24,22 @@ pub struct AssetInfo {
     pub unit_trade_usdt: Decimal,
 }
 
+impl DBlist for AssetInfo {
+    fn new() -> AssetInfo {
+        let a = AssetInfo {
+            initial_usdt: Decimal::new(0, 8),
+            current_total_usdt: Decimal::new(0, 8),
+            profit: Decimal::new(0, 8),
+            realtime_expected_total_usdt: 0.0,
+            realtime_profit: 0.0,
+            available_usdt: Decimal::new(0, 8),
+            is_tradable: 0,
+            unit_trade_usdt: Decimal::new(0, 8),
+        };
+        a
+    }
+}
+
 #[derive(Debug, FromRow)]
 pub struct WalletInfo {
     pub asset: String,
@@ -30,29 +47,49 @@ pub struct WalletInfo {
     pub locked: Decimal,
 }
 
+impl DBlist for WalletInfo {
+    fn new() -> WalletInfo {
+        let a = WalletInfo {
+            asset: String::new(),
+            free: Decimal::new(0, 8),
+            locked: Decimal::new(0, 8),
+        };
+        a
+    }
+}
+
 // set unit_trade_usdt
 pub async fn set_unit_usdt() {
     let asset_info = select_asset_manage_announcement().await;
     let mut set_unit_trade_usdt = Decimal::new(0, 8);
 
-    // define protect_rate and unit_trade_usdt as high as total_usdt_amount
-    if dec!(0.0) <= asset_info.current_total_usdt && asset_info.current_total_usdt < dec!(1000.0) {
+    if RUNNING_MODE == SIMUL {
         set_unit_trade_usdt = dec!(100.0); // $100 for each trade
-                                           // set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.8));  // 80% of total usdt
-    } else if dec!(1000.0) <= asset_info.current_total_usdt
-    {
-        // set_unit_trade_usdt = dec!(150.0); // $150 for each trade
-        set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.1));
-        let truncated = decimal_mul(decimal_mul(set_unit_trade_usdt, dec!(0.1)).trunc(), dec!(10));
-        let difference = decimal_sub(set_unit_trade_usdt, truncated);
+    } else if RUNNING_MODE == REAL {
+        // define protect_rate and unit_trade_usdt as high as total_usdt_amount
+        if dec!(0.0) <= asset_info.current_total_usdt && asset_info.current_total_usdt < dec!(1000.0) {
+            set_unit_trade_usdt = dec!(50.0); // $100 for each trade
+                                            // set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.8));  // 80% of total usdt
+        } else if dec!(1000.0) <= asset_info.current_total_usdt
+        {
+            // set_unit_trade_usdt = dec!(150.0); // $150 for each trade
+            set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.05));
+            
+            if set_unit_trade_usdt <= dec!(20) {
+                set_unit_trade_usdt = dec!(0);
+            } else {
+                let truncated = decimal_mul(decimal_mul(set_unit_trade_usdt, dec!(0.1)).trunc(), dec!(10));
+                let difference = decimal_sub(set_unit_trade_usdt, truncated);
 
-        if difference >= dec!(5) {
-            set_unit_trade_usdt = decimal_add(truncated, dec!(5));
-        } else {
-            set_unit_trade_usdt = truncated;
+                if difference >= dec!(5) {
+                    set_unit_trade_usdt = decimal_add(truncated, dec!(5));
+                } else {
+                    set_unit_trade_usdt = truncated;
+                }
+            }
         }
     }
-
+    
     // update fields in [asset_manage_announcement] table
     let update_table_name = String::from("asset_manage_announcement");
     let update_values = vec![(
@@ -396,11 +433,7 @@ pub async fn select_asset_manage_announcement() -> AssetInfo {
 
 // fetch free usdt from wallet
 pub async fn fetch_free_usdt() -> Decimal {
-    let wallet_info = WalletInfo {
-        asset: String::new(),
-        free: Decimal::new(0, 8),
-        locked: Decimal::new(0, 8),
-    };
+    let wallet_info = WalletInfo::new();
     let select_table_name = {
         if RUNNING_MODE == SIMUL || RUNNING_MODE == REAL {
             String::from("wallet")