diff --git a/src/main/java/com/vverp/service/MaterialOrderService.java b/src/main/java/com/vverp/service/MaterialOrderService.java
index 940fa60..53c2ed5 100644
--- a/src/main/java/com/vverp/service/MaterialOrderService.java
+++ b/src/main/java/com/vverp/service/MaterialOrderService.java
@@ -679,10 +679,10 @@ public class MaterialOrderService extends BaseOrderService<MaterialOrder, Long>
                             +"_"+materialOrderItem.getMakeCode()+"_"+materialOrderItem.getMaterialType()
                             +"_"+materialOrderItem.getEndFace()+"_"+materialOrderItem.getPressureLevel();
                     if (!countMap.containsKey(str)){
-                        countMap.put(str,materialOrderItem.getCount());
+                        countMap.put(str,materialOrderItem.getCount().compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : materialOrderItem.getCount());
                     }else {
                         BigDecimal count = countMap.get(str);
-                        count = count.add(materialOrderItem.getCount());
+                        count = count.add(materialOrderItem.getCount().compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : materialOrderItem.getCount());
                         countMap.put(str,count);
                     }
                 }
@@ -1093,9 +1093,9 @@ public class MaterialOrderService extends BaseOrderService<MaterialOrder, Long>
 //                            }
                             item.setTotalWeight(totalWeight == null ? (product.getgWeight()==null?BigDecimal.ZERO:product.getgWeight()).multiply(count) : totalWeight);
                             orderCount = orderCount.add(count);
-                            if(negativeCount.compareTo(BigDecimal.ZERO)<0){//后续阶段数量意外减少,采购数量为负数
-                                orderCount = orderCount.add(negativeCount);
-                            }
+//                            if(negativeCount.compareTo(BigDecimal.ZERO)<0){//后续阶段数量意外减少,采购数量为负数
+//                                orderCount = orderCount.add(negativeCount);
+//                            }
 
                             item.setSupplierIds(new ArrayList<>());
                             for (Integer key : valueMap.keySet()) {
@@ -1248,11 +1248,12 @@ public class MaterialOrderService extends BaseOrderService<MaterialOrder, Long>
                         +"_"+prevItem.getProductCode()+"_"+prevItem.getPurchaseCode()
                         +"_"+prevItem.getMakeCode()+"_"+prevItem.getMaterialType()
                         +"_"+prevItem.getEndFace()+"_"+prevItem.getPressureLevel();
+                // 如果 prevItem.getCount()的值 小于0，则返回 BigDecimal.ZERO, 大于或等于0，返回 prevItem.getCount()本身。
                 if (!prevMap.containsKey(str)){
-                    prevMap.put(str,prevItem.getCount());
+                    prevMap.put(str,prevItem.getCount().compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : prevItem.getCount());
                     prevMapM.put(str,prevItem);
                 }else {
-                    BigDecimal prevCount = prevMap.get(str).add(prevItem.getCount());
+                    BigDecimal prevCount = prevMap.get(str).add(prevItem.getCount().compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : prevItem.getCount());
                     prevMap.put(str,prevCount);
                     prevMapM.put(str,prevItem);
                 }