diff --git a/src/main/java/com/spring/modules/shipment/service/impl/ShipmentRollServiceImpl.java b/src/main/java/com/spring/modules/shipment/service/impl/ShipmentRollServiceImpl.java
index 58218c3..8995cdf 100644
--- a/src/main/java/com/spring/modules/shipment/service/impl/ShipmentRollServiceImpl.java
+++ b/src/main/java/com/spring/modules/shipment/service/impl/ShipmentRollServiceImpl.java
@@ -133,7 +133,7 @@ public class ShipmentRollServiceImpl extends ServiceImpl<ShipmentRollMapper, Shi
                 //.eq(ShipmentRoll::getBoxNo, shipmentRollVo.getBoxNo())
                 .eq(ShipmentRoll::getSite, shipmentRollVo.getSite()).count();
         BigDecimal needRollNum = num.subtract(new BigDecimal(count));
-        if (BigDecimal.ZERO.compareTo(needRollNum) <= 0){
+        if (BigDecimal.ZERO.compareTo(needRollNum) == 0){
             throw new RuntimeException("该物料已满足发货数量,无法再次添加!");
         }
         log.info("needNum:{}",needRollNum);