diff --git a/Binance.TradeRobot.Business/Business/SingalBusiness.cs b/Binance.TradeRobot.Business/Business/SingalBusiness.cs
index 761b01b..0ae3fef 100644
--- a/Binance.TradeRobot.Business/Business/SingalBusiness.cs
+++ b/Binance.TradeRobot.Business/Business/SingalBusiness.cs
@@ -74,5 +74,12 @@ namespace Binance.TradeRobot.Business
                 }
             }
         }
+
+        public void D21Remedy()
+        {
+            var d21RobotList = robotBusiness.GetD21PolicyRobotList(robotState: Enums.RobotState.Runing, isLoadRecentTradeProfit: false, isLoadAPIKey: true);
+            if (d21RobotList == null || d21RobotList.Count() == 0)
+                throw new BusinessException("未找到符合条件的机器人");
+        }
     }
 }