diff --git a/Binance.TradeRobot.Business/Business/TradeBusiness/D21TradeBusiness.cs b/Binance.TradeRobot.Business/Business/TradeBusiness/D21TradeBusiness.cs
index 5d2bf40..d01380e 100644
--- a/Binance.TradeRobot.Business/Business/TradeBusiness/D21TradeBusiness.cs
+++ b/Binance.TradeRobot.Business/Business/TradeBusiness/D21TradeBusiness.cs
@@ -145,7 +145,7 @@ namespace Binance.TradeRobot.Business
                 if (balance < previewTradeAmount)
                 {
                     #region 借币
-                    step = "借币";
+                    step = "验证借币比例";
                     diffAmount = previewTradeAmount - balance;
                     var diffRatio = diffAmount / balance * 100;     //借币比例
 
@@ -168,6 +168,7 @@ namespace Binance.TradeRobot.Business
                     #region 验证交易所的最大可借额度
                     try
                     {
+                        step = "验证交易所的最大可借额度";
                         var exchangeMaxLoanAmount = apiClient.QueryMaxLoanAmount(robot.Symbol);
                         if (exchangeMaxLoanAmount < diffAmount)
                         {
@@ -199,7 +200,24 @@ namespace Binance.TradeRobot.Business
                 #region 借币
                 if (diffAmount > 0M)
                 {
+                    step = "借币";
+                    try
+                    {
 
+                    }
+                    catch (Exception borrowex)
+                    {
+                        logList.Add(new ExecutionLog()
+                        {
+                            Id = idGenerator.NewLong(),
+                            SourceSingal = Enums.SingalType.多交叉,
+                            RobotId = robot.Id,
+                            CreateTime = DateTime.Now,
+                            Content = $"借币失败 {borrowex.Message}"
+                        });
+                        previewTradeAmount = balance;  //无法借币,使用余额下单
+                        diffAmount = 0M;
+                    }
                 }
                 #endregion
 
diff --git a/Binance.TradeRobot.Model/Db/Order/SpotOrder.cs b/Binance.TradeRobot.Model/Db/Order/SpotOrder.cs
index 3fc7970..5bc66b5 100644
--- a/Binance.TradeRobot.Model/Db/Order/SpotOrder.cs
+++ b/Binance.TradeRobot.Model/Db/Order/SpotOrder.cs
@@ -97,6 +97,18 @@ namespace Binance.TradeRobot.Model.Db
         [Column(MapType = typeof(int), DbType = "int")]
         public Enums.OrderType OrderType { get; set; }
 
+
+        /// <summary>
+        /// 借币金额
+        /// </summary>
+        [Column(DbType = "decimal(18,8)")]
+        public decimal LoanAmount { get; set; } = 0.0M;
+
+        /// <summary>
+        /// 借币利息
+        /// </summary>
+        [Column(DbType = "decimal(18,8)")]
+        public decimal LoanInterest { get; set; } = 0.0M;
     }
 
 }
diff --git a/SDKAdapter/APIClient/BaseAPIClient.cs b/SDKAdapter/APIClient/BaseAPIClient.cs
index 3fa81ef..c9c55e2 100644
--- a/SDKAdapter/APIClient/BaseAPIClient.cs
+++ b/SDKAdapter/APIClient/BaseAPIClient.cs
@@ -63,7 +63,7 @@ namespace SDKAdapter.APIClient
         /// <param name="symbol"></param>
         /// <param name="repayAmount"></param>
         /// <returns>还币利息</returns>
-        public virtual decimal IsolatedMarginRepayLoan(string symbol, decimal repayAmount)
+        public virtual decimal IsolatedMarginRepay(string symbol, decimal repayAmount)
         {
             throw new NotImplementedException();
         }
diff --git a/SDKAdapter/APIClient/BinanceAPIClient.cs b/SDKAdapter/APIClient/BinanceAPIClient.cs
index 3df96fa..c8dc2e3 100644
--- a/SDKAdapter/APIClient/BinanceAPIClient.cs
+++ b/SDKAdapter/APIClient/BinanceAPIClient.cs
@@ -82,9 +82,25 @@ namespace SDKAdapter.APIClient
             };
         }
 
-        public override decimal IsolatedMarginRepayLoan(string symbol, decimal repayAmount)
+        public override decimal IsolatedMarginRepay(string symbol, decimal repayAmount)
         {
-            return base.IsolatedMarginRepayLoan(symbol, repayAmount);
+            var r = binanceClient.SpotApi.Account.MarginRepayAsync("USDT", repayAmount, true, symbol).Result;
+            if (!r.Success)
+                throw new Exception($"还币失败 {r.Error?.Message}");
+            var txId = r.Data.TransactionId;
+
+            var r1 = binanceClient.SpotApi.Account.GetMarginRepaysAsync("USDT", txId, isolatedSymbol: symbol).Result;
+            if (!r1.Success)
+                throw new Exception($"还币成功,查询还贷记录失败 {r1.Error?.Message}");
+            try
+            {
+                return r1.Data.Rows.ToList().Sum(x => x.Interest);
+            }
+            catch
+            {
+                return 0M;
+            }
+
         }
     }
 }
diff --git a/SDKTestConsole/Program.cs b/SDKTestConsole/Program.cs
index 232873c..446fc67 100644
--- a/SDKTestConsole/Program.cs
+++ b/SDKTestConsole/Program.cs
@@ -11,12 +11,22 @@ namespace SDKTestConsole
             var apiKey = "NnLXgcdUAZ8FAye4Qge3zrrdg5o7ufoWbgtYsKzgfIXz0OMz27G1Kx4SykMzw7YS";
             var secret = "lpJ3t50osPx6lEUerVFMdoKsZ6uHPc769OFPGtfhcoPANpv97CEcvR3pz3Bezhhv";
             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 maxLoan = client.QueryMaxLoanAmount("ETHUSDT");
-            Console.WriteLine(maxLoan);
+            //查询最大借币额度
+            //var maxLoan = client.QueryMaxLoanAmount("ETHUSDT");
+            //Console.WriteLine(maxLoan);
+
+            //var r1 = client.IsolatedMarginLoan("ETHUSDT", 10M);
+            //var r2 = client.IsolatedMarginLoan("ETHUSDT", 10M);
+            //Console.WriteLine(r2.AccountLoanAmount);
+
+
+            var r3 = client.IsolatedMarginRepay("ETHUSDT", 20M);
+            Console.WriteLine(r3);
             Console.ReadKey();
         }
     }