diff --git a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
index b176b45b..dc892244 100644
--- a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
@@ -2337,9 +2337,37 @@ public class CoDelExcelTXServiceImpl implements CoDelExcelTXService {
         // 获取partNo列表
         List<Map> partNos = coDelMapper.getDeclarationElements(data);
         List<String> partNoList = partNos.stream().map(map -> map.get("partNo").toString()).collect(Collectors.toList());
+        // 按通知明细item_no顺序记录partNo出现次序，后续用于稳定排序
+        Map<String, Integer> partNoOrderMap = new HashMap<>();
+        for (int i = 0; i < partNos.size(); i++) {
+            Map partNoMap = partNos.get(i);
+            String partNo = partNoMap.get("partNo") != null ? partNoMap.get("partNo").toString() : "";
+            if (StringUtils.isBlank(partNo)) {
+                continue;
+            }
+            if (!partNoOrderMap.containsKey(partNo)) {
+                partNoOrderMap.put(partNo, i);
+            }
+        }
         // 根据partNo获取hsCode
         List<Map> hsCodes = coDelMapper.getHsCodeByPartNo(data.getSite(), partNoList);
-        Map<String, Map> hsCodeMap = new HashMap<>();
+        hsCodes.sort((left, right) -> {
+            String leftPartNo = left.get("part_no") != null ? left.get("part_no").toString() : "";
+            String rightPartNo = right.get("part_no") != null ? right.get("part_no").toString() : "";
+            Integer leftOrder = partNoOrderMap.get(leftPartNo);
+            Integer rightOrder = partNoOrderMap.get(rightPartNo);
+            if (leftOrder == null && rightOrder == null) {
+                return 0;
+            }
+            if (leftOrder == null) {
+                return 1;
+            }
+            if (rightOrder == null) {
+                return -1;
+            }
+            return leftOrder.compareTo(rightOrder);
+        });
+        Map<String, Map> hsCodeMap = new LinkedHashMap<>();
         // 用于收集每个hsCode对应的SKU列表
         Map<String, List<String>> hsCodeSkuListMap = new HashMap<>();
         for (int i = 0; i < hsCodes.size(); i++) {
diff --git a/src/main/resources/mapper/ecss/CoDelMapper.xml b/src/main/resources/mapper/ecss/CoDelMapper.xml
index 16dc7354..4b48857c 100644
--- a/src/main/resources/mapper/ecss/CoDelMapper.xml
+++ b/src/main/resources/mapper/ecss/CoDelMapper.xml
@@ -703,6 +703,10 @@ create_by,create_date,update_by,update_date
             ecss_CoDelNotifyDetail a left join part b on a.site=b.site and a.part_no=b.part_no
         where a.site =#{site} and a.delNo=#{delNo} and a.qty>0  and a.bu_no=#{buNo}
         GROUP BY  b.hsCodeDesc,b.hsCode,b.brand,LEFT(a.currency,3)
+        ORDER BY
+            CASE WHEN MIN(TRY_CONVERT(BIGINT, a.item_no)) IS NULL THEN 1 ELSE 0 END,
+            MIN(TRY_CONVERT(BIGINT, a.item_no)),
+            MIN(a.item_no)
     </select>
 
     <select id="getDefaultEcssDeclarationDetailDataTX" resultType="EcssDeclarationDetailData">
@@ -758,6 +762,10 @@ create_by,create_date,update_by,update_date
             ecss_CoDelNotifyDetail a left join part b on a.site=b.site and a.part_no=b.part_no
         where a.site =#{site} and a.delNo=#{delNo} and a.qty>0  and a.bu_no=#{buNo}
         GROUP BY  b.hsCodeDesc,b.hsCode,b.brand,b.ecss_umid,LEFT(a.currency,3)
+        ORDER BY
+            CASE WHEN MIN(TRY_CONVERT(BIGINT, a.item_no)) IS NULL THEN 1 ELSE 0 END,
+            MIN(TRY_CONVERT(BIGINT, a.item_no)),
+            MIN(a.item_no)
     </select>
 
 
@@ -954,10 +962,14 @@ create_by,create_date,update_by,update_date
     </select>
 
     <select id="getDeclarationElements" resultType="java.util.Map">
-        select part_no as partNo,bu_no as buNo
+        select part_no as partNo,bu_no as buNo,MIN(item_no) as itemNo
         from ecss_CoDelNotifyDetail
         where site=#{site} and delNo=#{delNo} and qty>0
         GROUP BY part_no,bu_no
+        ORDER BY
+            CASE WHEN MIN(TRY_CONVERT(BIGINT, item_no)) IS NULL THEN 1 ELSE 0 END,
+            MIN(TRY_CONVERT(BIGINT, item_no)),
+            MIN(item_no)
     </select>
 
     <select id="getHsCodeByPartNo" resultType="java.util.Map">