diff --git a/src/main/java/com/sztzjy/forex/trading_trading/controller/TradingController.java b/src/main/java/com/sztzjy/forex/trading_trading/controller/TradingController.java
index 667118d..eed91ab 100644
--- a/src/main/java/com/sztzjy/forex/trading_trading/controller/TradingController.java
+++ b/src/main/java/com/sztzjy/forex/trading_trading/controller/TradingController.java
@@ -444,8 +444,8 @@ public class TradingController {
             }
         }
         Double marginAfterTrading=(buyTotalMargin+sellTotalMargin)/totalVolumeTransaction*Constant.LEVERQUANTITY*highVolumeTransaction;
-//        margin=marginAfterTrading-marginBeforeTrading;
-        return marginAfterTrading;
+        margin=marginAfterTrading-marginBeforeTrading;
+        return margin;
     }
 
     //获取可用资金