diff --git a/serverlogic/src/main/java/com/ljsd/jieling/logic/store/StoreLogic.java b/serverlogic/src/main/java/com/ljsd/jieling/logic/store/StoreLogic.java
index 36dc06493..6dfe39f00 100644
--- a/serverlogic/src/main/java/com/ljsd/jieling/logic/store/StoreLogic.java
+++ b/serverlogic/src/main/java/com/ljsd/jieling/logic/store/StoreLogic.java
@@ -511,8 +511,7 @@ public class StoreLogic implements IEventHandler {
 //                    add += orDefault;
 //                }
 //            }
-            float addPercentage=add / 10000f;
-            dropItems[i][1] = (int)((goods[i][1] + levelAdd) * itemNum * addPercentage);
+            dropItems[i][1] = ((goods[i][1] + levelAdd) * itemNum * (add / 1000)) / 10;
         }
         CommonProto.Drop.Builder drop = ItemUtil.drop(user, dropItems, BIReason.STORE_BUY_ITEM);
         if(!storeGiftType.contains(SStoreTypeConfig.getsStoreTypeConfigMap().get(storeId).getStoreType() )){