diff --git a/src/main/java/com/gaotao/modules/boxManage/dao/BoxForNotificationMapper.java b/src/main/java/com/gaotao/modules/boxManage/dao/BoxForNotificationMapper.java
index c4754cb..c97a58e 100644
--- a/src/main/java/com/gaotao/modules/boxManage/dao/BoxForNotificationMapper.java
+++ b/src/main/java/com/gaotao/modules/boxManage/dao/BoxForNotificationMapper.java
@@ -21,6 +21,18 @@ public interface BoxForNotificationMapper {
 
      void newSoReceiveBoxesData(SoReceiveBoxesData data);
 
+     /**
+      * 查询指定订单号下已有的所有箱号
+      * 用于生成新箱号时断号取号
+      */
+     List<String> getExistingBoxNosByOrderNo(@Param("site") String site, @Param("buNo") String buNo, @Param("orderNo") String orderNo);
+
+     /**
+      * 查询以指定销售订单号为前缀的所有箱号
+      * 用于生成新箱号时断号取号
+      */
+     List<String> getExistingBoxNosBySaleOrderNo(@Param("site") String site, @Param("buNo") String buNo, @Param("saleOrderNo") String saleOrderNo);
+
      List<SoReceiveBoxRollsData> searchBoxRollDetail(SoReceiveBoxesData data);
 
      SoReceiveBoxesData searchBoxData(SoReceiveBoxesData data);
diff --git a/src/main/java/com/gaotao/modules/boxManage/entity/SoReceiveBoxesDto.java b/src/main/java/com/gaotao/modules/boxManage/entity/SoReceiveBoxesDto.java
index 67f989d..16435c1 100644
--- a/src/main/java/com/gaotao/modules/boxManage/entity/SoReceiveBoxesDto.java
+++ b/src/main/java/com/gaotao/modules/boxManage/entity/SoReceiveBoxesDto.java
@@ -85,6 +85,11 @@ public class SoReceiveBoxesDto {
      */
     private Integer stdPackingQty;
 
+    /**
+     * 销售订单号，用于生成箱号
+     */
+    private String saleOrderNo;
+
     public Integer getId() {
         return id;
     }
@@ -212,4 +217,12 @@ public class SoReceiveBoxesDto {
     public void setStdPackingQty(Integer stdPackingQty) {
         this.stdPackingQty = stdPackingQty;
     }
+
+    public String getSaleOrderNo() {
+        return saleOrderNo;
+    }
+
+    public void setSaleOrderNo(String saleOrderNo) {
+        this.saleOrderNo = saleOrderNo;
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/gaotao/modules/boxManage/service/impl/BoxForNotificationServiceImpl.java b/src/main/java/com/gaotao/modules/boxManage/service/impl/BoxForNotificationServiceImpl.java
index ef151cb..f1f49a4 100644
--- a/src/main/java/com/gaotao/modules/boxManage/service/impl/BoxForNotificationServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/boxManage/service/impl/BoxForNotificationServiceImpl.java
@@ -47,13 +47,57 @@ public  class BoxForNotificationServiceImpl implements BoxForNotificationService
 
     @Override
     public String newSoReceiveBoxesData(SoReceiveBoxesData inData){
-        TransNoControl transNo = transNoService.getTransNo(inData.getSite(),"BOX",inData.getBuNo());
-        if(transNo == null){
-            throw new RuntimeException("箱号生成失败，请联系管理员!");
+        // 生成箱号：销售订单号 + 三位流水号，支持断号取号
+        String saleOrderNo = inData.getSaleOrderNo();
+        if (saleOrderNo == null || saleOrderNo.isEmpty()) {
+            throw new RuntimeException("销售订单号不能为空!");
         }
-        inData.setBoxNo(transNo.getNewTransNo());
+
+        // 查询以该销售订单号为前缀的所有箱号（用于断号取号）
+        List<String> existingBoxNos = boxForNotificationMapper.getExistingBoxNosBySaleOrderNo(
+                inData.getSite(), inData.getBuNo(), saleOrderNo);
+
+        // 生成新的箱号（断号取号），使用销售订单号作为前缀
+        String newBoxNo = generateBoxNoWithGapFilling(saleOrderNo, existingBoxNos);
+        inData.setBoxNo(newBoxNo);
         boxForNotificationMapper.newSoReceiveBoxesData(inData);
-        return transNo.getNewTransNo();
+        return newBoxNo;
+    }
+
+    /**
+     * 生成箱号，支持断号取号
+     * 格式：订单号 + 三位流水号（001-999）
+     * 例如：已有AAA001和AAA003，下次生成AAA002
+     */
+    private String generateBoxNoWithGapFilling(String orderNo, List<String> existingBoxNos) {
+        // 提取已使用的流水号
+        java.util.Set<Integer> usedSeqNos = new java.util.HashSet<>();
+        String prefix = orderNo;
+
+        for (String boxNo : existingBoxNos) {
+            if (boxNo != null && boxNo.startsWith(prefix) && boxNo.length() == prefix.length() + 3) {
+                try {
+                    String seqStr = boxNo.substring(prefix.length());
+                    int seqNo = Integer.parseInt(seqStr);
+                    usedSeqNos.add(seqNo);
+                } catch (NumberFormatException e) {
+                    // 忽略非数字后缀的箱号
+                }
+            }
+        }
+
+        // 找到第一个未使用的流水号（断号取号）
+        int newSeqNo = 1;
+        while (usedSeqNos.contains(newSeqNo) && newSeqNo <= 999) {
+            newSeqNo++;
+        }
+
+        if (newSeqNo > 999) {
+            throw new RuntimeException("箱号流水号已达到上限999，无法继续生成!");
+        }
+
+        // 生成三位流水号
+        return prefix + String.format("%03d", newSeqNo);
     }
 
     @Override
diff --git a/src/main/resources/mapper/boxManage/BoxForNotificationMapper.xml b/src/main/resources/mapper/boxManage/BoxForNotificationMapper.xml
index c1b63eb..ac7a3de 100644
--- a/src/main/resources/mapper/boxManage/BoxForNotificationMapper.xml
+++ b/src/main/resources/mapper/boxManage/BoxForNotificationMapper.xml
@@ -54,9 +54,28 @@
              version,WareHouseID,bu_no) values
             (#{site},#{boxNo},#{orderNo},#{status},#{rollsQty},#{boxType},'Y',GetDate(),#{createdBy},
              0,#{wareHouseID},#{buNo})
-
     </insert>
 
+    <!-- 查询指定订单号下已有的所有箱号，用于断号取号 -->
+    <select id="getExistingBoxNosByOrderNo" resultType="java.lang.String">
+        SELECT box_no
+        FROM so_receive_boxes
+        WHERE site = #{site}
+          AND bu_no = #{buNo}
+          AND order_no = #{orderNo}
+        ORDER BY box_no
+    </select>
+
+    <!-- 查询以指定销售订单号为前缀的所有箱号，用于断号取号 -->
+    <select id="getExistingBoxNosBySaleOrderNo" resultType="java.lang.String">
+        SELECT box_no
+        FROM so_receive_boxes
+        WHERE site = #{site}
+          AND bu_no = #{buNo}
+          AND box_no LIKE #{saleOrderNo} + '%'
+        ORDER BY box_no
+    </select>
+
     <select id="searchBoxRollDetail" resultType="SoReceiveBoxRollsData">
         select ROW_NUMBER() OVER (ORDER BY a.received_date) orderId, a.id,a.site,a.bu_no,a.box_no,a.final_roll_no,a.roll_qty,a.received_by,a.received_date,a.WareHouseID,a.part_no
         from so_receive_box_rolls a