update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/SellOrderServiceImpl.java

@@ -570,8 +570,16 @@ public class SellOrderServiceImpl extends BaseServiceImpl<Integer, SellOrder> im
             BigDecimal detailTotalPrice = orderDetails.stream().map(StudentPaymentOrderDetail::getPrice).reduce(BigDecimal.ZERO, BigDecimal::add);
             //商品销售占的余额
             BigDecimal detailTotalBalance = detailTotalPrice.multiply(totalBalance).divide(totalPrice, 2, BigDecimal.ROUND_DOWN);
-
-            sellAmount.put("actualAmount", detailTotalPrice.subtract(detailTotalBalance).subtract(cloudIncome));
+            
+            if(detailTotalBalance.subtract(cloudBalanceIncome).compareTo(BigDecimal.ZERO) < 0) {
+            	detailTotalBalance = cloudBalanceIncome;
+            }
+            
+            if(detailTotalPrice.subtract(detailTotalBalance).subtract(cloudIncome).compareTo(BigDecimal.ZERO) < 0){
+            	sellAmount.put("actualAmount", BigDecimal.ZERO);
+            }else{
+            	sellAmount.put("actualAmount", detailTotalPrice.subtract(detailTotalBalance).subtract(cloudIncome));
+            }
             sellAmount.put("balance", detailTotalBalance.subtract(cloudBalanceIncome));
             return sellAmount;
         }