diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
index d691498d..b9448080 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
@@ -1181,10 +1181,16 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
                 pointPrice=achPrice.subtract(oldAchPrice).setScale(4, RoundingMode.HALF_UP);
             } else {
                 // 自己砍：按百分比计算
-                pointPrice = oldAchPrice.multiply(new BigDecimal(point))
-                        .divide(new BigDecimal(10), 4, RoundingMode.HALF_UP)
-                        .setScale(4, RoundingMode.HALF_UP);
-                achPrice = oldAchPrice.add(pointPrice);
+                if(point==1){//没有摇中
+                    achPrice=oldAchPrice;
+                    pointPrice=BigDecimal.ZERO;
+                }else {
+                    pointPrice = oldAchPrice.multiply(new BigDecimal(point))
+                            .divide(new BigDecimal(10), 4, RoundingMode.HALF_UP)
+                            .setScale(4, RoundingMode.HALF_UP);
+                    achPrice = oldAchPrice.add(pointPrice);
+                }
+
             }
             achPrice= BigDecimalFormatter.formatWithoutTrailingZerosBigDecimal(achPrice);
             pointPrice= BigDecimalFormatter.formatWithoutTrailingZerosBigDecimal(pointPrice);