diff --git a/Binance.TradeRobot.Business/Business/TradeBusiness/Spot/D21TradeBusiness.cs b/Binance.TradeRobot.Business/Business/TradeBusiness/Spot/D21TradeBusiness.cs
index c5b38a1..d851a28 100644
--- a/Binance.TradeRobot.Business/Business/TradeBusiness/Spot/D21TradeBusiness.cs
+++ b/Binance.TradeRobot.Business/Business/TradeBusiness/Spot/D21TradeBusiness.cs
@@ -131,7 +131,7 @@ namespace Binance.TradeRobot.Business
                     #region 验证借币
                     step = "验证借币";
                     diffAmount = previewTradeAmount - balance;
-                    var diffRatio = diffAmount / balance * 100;     //借币比例
+                    var diffRatio = Math.Round(diffAmount / balance * 100, 2);     //借币比例
 
                     #region 验证策略中的最大借币比例
                     if (diffRatio > d21Robot.D21Policy.MaxExchangeLoanRatio)
@@ -142,7 +142,7 @@ namespace Binance.TradeRobot.Business
                             SourceSingal = Enums.SingalType.多交叉,
                             RobotId = robot.Id,
                             CreateTime = DateTime.Now,
-                            Content = $"触发策略中交易所最大借币比例限制,交易所最大借币比例{d21Robot.D21Policy.MaxExchangeLoanRatio}%,当前借币比例{diffRatio}%,按交易所最大借币比例借币"
+                            Content = $"触发策略中交易所最大借币比例限制,交易所最大借币比例{d21Robot.D21Policy.MaxExchangeLoanRatio}%,当前借币比例{diffRatio}%,下单仓位:{previewTradeAmount},账户余额:{balance},按交易所最大借币比例借币"
                         });
                         diffAmount = previewTradeAmount * (d21Robot.D21Policy.MaxExchangeLoanRatio / 100M);
                         //previewTradeAmount = balance + diffAmount; //在策略允许的借币比例范围内的最大下单金额
diff --git a/SDKAdapter/WebSockets/Order/Spot/BinanceSpotOrderWebSocketClient.cs b/SDKAdapter/WebSockets/Order/Spot/BinanceSpotOrderWebSocketClient.cs
index 4680749..aba61b2 100644
--- a/SDKAdapter/WebSockets/Order/Spot/BinanceSpotOrderWebSocketClient.cs
+++ b/SDKAdapter/WebSockets/Order/Spot/BinanceSpotOrderWebSocketClient.cs
@@ -19,6 +19,9 @@ namespace SDKAdapter.WebSockets.Order.Spot
         private CancellationTokenSource cancellationTokenSource;
         private string listenKey;
         private IList<Binance.Net.Enums.OrderStatus> ignoreOrderStateList;
+        private System.Threading.Timer timer;
+        private readonly long extendListenKeyPeriod = 1000 * 60 * 30;  //30分钟
+        private string isolateMarginSymbol = ""; //逐仓杠杆专用
 
         public BinanceSpotOrderWebSocketClient(Enums.BusinessType businessType,
                                                long accountId,
@@ -57,6 +60,8 @@ namespace SDKAdapter.WebSockets.Order.Spot
                 Binance.Net.Enums.OrderStatus.Insurance,
                 Binance.Net.Enums.OrderStatus.Adl
             };
+            timer = new Timer(new TimerCallback(ExtendListenKey), null, -1, extendListenKeyPeriod);
+
         }
 
         public override void Start(string symbol = "")
@@ -64,8 +69,9 @@ namespace SDKAdapter.WebSockets.Order.Spot
             if (IsConnected)
                 return;
             IsConnected = true;
+            isolateMarginSymbol = symbol;
             cancellationTokenSource = new CancellationTokenSource();
-            var getListenKeyResponse = binanceClient.SpotApi.Account.StartIsolatedMarginUserStreamAsync(symbol).Result;
+            var getListenKeyResponse = binanceClient.SpotApi.Account.StartIsolatedMarginUserStreamAsync(isolateMarginSymbol).Result;
             if (!getListenKeyResponse.Success)
                 throw new Exception(getListenKeyResponse.Error?.Message ?? "");
             listenKey = getListenKeyResponse.Data;
@@ -169,6 +175,11 @@ namespace SDKAdapter.WebSockets.Order.Spot
 
                 },
                 cancellationTokenSource.Token);
+            try
+            {
+                timer.Change(extendListenKeyPeriod, extendListenKeyPeriod);
+            }
+            catch { }
         }
 
         public override void Stop(string symbol = "")
@@ -181,6 +192,19 @@ namespace SDKAdapter.WebSockets.Order.Spot
             cancellationTokenSource = null;
             _ = binanceClient.SpotApi.Account.CloseIsolatedMarginUserStreamAsync(symbol, listenKey).Result;
             listenKey = string.Empty;
+            try
+            {
+                timer.Change(-1, extendListenKeyPeriod);
+            }
+            catch { }
+        }
+
+        private void ExtendListenKey(object? o)
+        {
+            if (string.IsNullOrEmpty(listenKey))
+                return;
+            if (BusinessType == Enums.BusinessType.IsolateMargin)
+                _ = binanceClient.SpotApi.Account.KeepAliveIsolatedMarginUserStreamAsync(isolateMarginSymbol, listenKey);
         }
     }
 }
diff --git a/SDKTestConsole/Program.cs b/SDKTestConsole/Program.cs
index d855305..774b9a4 100644
--- a/SDKTestConsole/Program.cs
+++ b/SDKTestConsole/Program.cs
@@ -5,26 +5,25 @@ using CryptoExchange.Net.Authentication;
 using Newtonsoft.Json;
 using SDKAdapter.APIClient;
 using System;
-using Binance.TradeRobot.Common.Extensions;
-using SDKAdapter.WebSockets.Order.SpotOrder;
-using NLog;
 
 namespace SDKTestConsole
 {
     internal class Program
     {
+        private static System.Threading.Timer timer;
+
         static void Main(string[] args)
         {
-            var apiKey = "NnLXgcdUAZ8FAye4Qge3zrrdg5o7ufoWbgtYsKzgfIXz0OMz27G1Kx4SykMzw7YS";
-            var secret = "lpJ3t50osPx6lEUerVFMdoKsZ6uHPc769OFPGtfhcoPANpv97CEcvR3pz3Bezhhv";
+            var apiKey = "RsQ5RuhYbNRXCTGAQXhwb5Dt3jgPnwKXfR1OXz0qWmf3IsAC7zPQd14WGIr18rDA";
+            var secret = "yxW4PPb65rVpdo7fMt2mZcbNOtjOe3J4fMSRVtX5YJfj7kRzHW3dY6xfoW4jje1I";
             var client = BaseAPIClient.Create(Enums.Exchange.Binance, 0, apiKey, secret);
 
             //逐仓杠杆账户资产
-            //var marginList = client.GetIsolatedMarginAccountAssets();
-            //var s = JsonConvert.SerializeObject(marginList);
+            var marginList = client.GetIsolatedMarginAccountAssets();
+            var s = JsonConvert.SerializeObject(marginList);
 
             //查询最大借币额度
-            //var maxLoan = client.QueryMaxLoanAmount("ETHUSDT");
+            var maxLoan = client.QueryMaxLoanAmount("GMTUSDT");
             //Console.WriteLine(maxLoan);
 
             //借币
@@ -134,7 +133,27 @@ namespace SDKTestConsole
             //Console.WriteLine(s);
             //var orderClient = new BinanceSpotOrderWebSocketClient(Enums.BusinessType.IsolateMargin, 0, apiKey, secret, LogManager.GetCurrentClassLogger());
             //orderClient.Start("ETHUSDT");
+
+           //timer = new System.Threading.Timer(new System.Threading.TimerCallback(Callback), null, -1, 5000);
+           //while (true)
+           //{
+           //    var input = Console.ReadLine();
+           //    if (input == "start")
+           //        timer.Change(3000, 5000);
+           //    else if (input == "stop")
+           //        timer.Change(-1, 5000);
+           //    else if (input == "close")
+           //    {
+           //        timer.Dispose();
+           //        break;
+           //    }
+           //}
             Console.ReadKey();
         }
+
+        private static void Callback(object? o)
+        {
+            Console.WriteLine($"Callback on {DateTime.Now}");
+        }
     }
 }