diff --git a/src/main/java/com/xujie/sys/modules/ecss/mapper/CoDelMapper.java b/src/main/java/com/xujie/sys/modules/ecss/mapper/CoDelMapper.java
index 5a6bb78c..29aae760 100644
--- a/src/main/java/com/xujie/sys/modules/ecss/mapper/CoDelMapper.java
+++ b/src/main/java/com/xujie/sys/modules/ecss/mapper/CoDelMapper.java
@@ -149,6 +149,10 @@ public interface CoDelMapper {
 
     List<EcssDeclarationDetailData> getDefaultEcssDeclarationDetailData( @Param("site") String site,@Param("delNo") String delNo,@Param("destination") String destination,@Param("buNo") String buNo);
     List<EcssDeclarationDetailData> getDefaultEcssDeclarationDetailData2( @Param("site") String site,@Param("delNo") String delNo,@Param("destination") String destination,@Param("buNo") String buNo);
+
+    List<EcssDeclarationDetailData> getDefaultEcssDeclarationDetailDataTX( @Param("site") String site,@Param("delNo") String delNo,@Param("destination") String destination,@Param("buNo") String buNo);
+    List<EcssDeclarationDetailData> getDefaultEcssDeclarationDetailData2TX( @Param("site") String site,@Param("delNo") String delNo,@Param("destination") String destination,@Param("buNo") String buNo);
+
     void saveEcssDeclarationHeader(EcssDeclarationHeaderData inData);
     void saveEcssDeclarationDetail(EcssDeclarationDetailData inData);
 
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 e2af5487..fdb82b04 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
@@ -561,7 +561,7 @@ public class CoDelExcelTXServiceImpl implements CoDelExcelTXService {
                     palletHeader.setSeqNo(palletSeqNo);
                     palletHeader.setPalletNo(palletNo);
                     palletHeader.setPalletQty(palletCount);
-                    palletHeader.setVolume(volume);
+                    palletHeader.setVolume(volume!= null ? volume : BigDecimal.ZERO);
 
                     if (outerSizeStr != null && !outerSizeStr.isEmpty()) {
                         String[] sizes = outerSizeStr.split("\\*");
@@ -2243,7 +2243,7 @@ public class CoDelExcelTXServiceImpl implements CoDelExcelTXService {
                 Integer palletQty = palletQtyMap.get(palletSeqNo);
                 eorder.put("total_pallets", showPalletQty ? (palletQty != null ? palletQty : 1) : "");
                 eorder.put("volume", isFirstRow ? volume : "");
-                eorder.put("gross_weight", isFirstRow ? ((BigDecimal) list.get(m).get("gross_weight")).setScale(2, RoundingMode.HALF_UP) : "");
+                //eorder.put("gross_weight", isFirstRow ? ((BigDecimal) list.get(m).get("gross_weight")).setScale(2, RoundingMode.HALF_UP) : "");
                 eorder.put("net_weight",isFirstRow ? ((BigDecimal) list.get(m).get("net_weight")).setScale(2, RoundingMode.HALF_UP) : "");
 
                 // 构建artNo内容
diff --git a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelServiceImpl.java b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelServiceImpl.java
index ab4deed0..e9f91658 100644
--- a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelServiceImpl.java
@@ -976,6 +976,33 @@ public class CoDelServiceImpl implements CoDelService {
                 List<Map> hsCodeList = coDelMapper.searchHsCodeList(paramData);
                 data.setUnit(!hsCodeList.isEmpty() ? (String) hsCodeList.get(0).get("unit") : "");
             }
+        } else if (notifyHeaderData.getBuNo().equals("04-MHM")) {
+            List<EcssDeclarationDetailData> rows1 = coDelMapper.getDefaultEcssDeclarationDetailDataTX(inData.getSite(), inData.getDelNo(),
+                    notifyHeaderData.getCnative(),inData.getBuNo());
+            Map<String, EcssDeclarationDetailData> dataMap = rows1.stream()
+                    .collect(Collectors.toMap(o -> StringUtils.defaultString(o.getHsCodeDesc())
+                            + "$" + StringUtils.defaultString(o.getHsCode()) + "$"
+                            + StringUtils.defaultString(o.getBrand())+
+                            "$"+ StringUtils.defaultString(o.getUnit()), o -> o, (oldValue, newValue) -> oldValue));
+            EcssDeclarationHeaderData declarationHeaderData = new EcssDeclarationHeaderData();
+            declarationHeaderData.setSite(notifyHeaderData.getSite());
+            declarationHeaderData.setDelNo(notifyHeaderData.getDelNo());
+            List<Map> detailList = coDelMapper.exportEcssCoDelNotifyDetail(declarationHeaderData);
+            rows2 = coDelMapper.getDefaultEcssDeclarationDetailData2TX(inData.getSite(), inData.getDelNo(),
+                    notifyHeaderData.getCnative(),inData.getBuNo());
+            for (EcssDeclarationDetailData data : rows2){
+                String dataKey = StringUtils.defaultString(data.getHsCodeDesc())
+                        + "$" + StringUtils.defaultString(data.getHsCode()) + "$"
+                        + StringUtils.defaultString(data.getBrand())+
+                        "$"+ StringUtils.defaultString(data.getUnit());
+                EcssDeclarationDetailData matchedData = dataMap.get(dataKey);
+                if (matchedData != null) {
+                    data.setNetWeight(matchedData.getNetWeight());
+                } else {
+                    data.setNetWeight(BigDecimal.ZERO);
+                    log.warn("未匹配到净重数据: hsCodeDesc={}, hsCode={}, brand={}", data.getHsCodeDesc(), data.getHsCode(), data.getBrand());
+                }
+            }
         } else {
             Map<String, EcssDeclarationDetailData> dataMap = rows.stream()
                     .collect(Collectors.toMap(o -> StringUtils.defaultString(o.getHsCodeDesc()) + "$" + StringUtils.defaultString(o.getHsCode()) + "$"
diff --git a/src/main/resources/mapper/ecss/CoDelMapper.xml b/src/main/resources/mapper/ecss/CoDelMapper.xml
index 250a4d56..757dc3af 100644
--- a/src/main/resources/mapper/ecss/CoDelMapper.xml
+++ b/src/main/resources/mapper/ecss/CoDelMapper.xml
@@ -701,6 +701,61 @@ create_by,create_date,update_by,update_date
         GROUP BY  b.hsCodeDesc,b.hsCode,b.brand,LEFT(a.currency,3)
     </select>
 
+    <select id="getDefaultEcssDeclarationDetailDataTX" resultType="EcssDeclarationDetailData">
+        -- 修复净重计算问题：按数量比例分配箱子净重，避免重复计算
+        -- 一个箱子(BoxList)可能包含多个零件(PalletDetail)，这些零件可能有相同的hsCode
+        -- 需要按每个零件的数量占该箱子总数量的比例来分配净重
+        WITH BoxDetail AS (
+            -- 计算每个箱子中每个零件的数量及其占比
+            SELECT
+                d.site,
+                d.bu_no,
+                d.delNo,
+                d.seq_no,
+                p.hsCode,
+                p.hsCodeDesc,
+                p.brand,
+                p.ecss_umid as unit,
+                d.qty,
+                b.net_weight,
+                -- 计算该零件数量占该箱子总数量的比例
+                CASE
+                    WHEN SUM(d.qty) OVER (PARTITION BY d.site, d.bu_no, d.delNo, d.seq_no) > 0
+                    THEN d.qty * 1.0 / SUM(d.qty) OVER (PARTITION BY d.site, d.bu_no, d.delNo, d.seq_no)
+                    ELSE 0
+                    END as qtyRatio
+            FROM ecss_CoDelPalletDetail d
+                     LEFT JOIN part p ON d.site=p.site AND d.part_no=p.part_no
+                     LEFT JOIN ecss_CoDelBoxList b ON d.site=b.site AND d.bu_no=b.bu_no AND d.delNo=b.delNo AND d.seq_no=b.item_no
+            WHERE d.site=#{site} AND d.delNo=#{delNo} AND d.bu_no=#{buNo}
+        )
+        SELECT
+            #{site} as site,
+            hsCode,
+            hsCodeDesc,
+            brand,
+            unit,
+            SUM(qty) as qty,
+            -- 按数量比例分配净重后汇总
+            CONVERT(DECIMAL(20,2), SUM(ISNULL(net_weight, 0) * qtyRatio)) as NetWeight,
+            'CNY' as currency,
+            '中国' as madeArea,
+            #{destination} as destination,
+            '南通其他' as sourceArea,
+            '照章征免' as levy
+        FROM BoxDetail
+        GROUP BY hsCode, hsCodeDesc, brand,unit
+    </select>
+
+    <select id="getDefaultEcssDeclarationDetailData2TX" resultType="EcssDeclarationDetailData">
+        select #{site} as site, b.hsCode,b.hsCodeDesc as hsCodeDesc,b.brand as brand,sum( a.qty) as qty ,sum(a.ttl_amount) as totalPrice,
+               CONVERT(DECIMAL(20, 6),sum(a.ttl_amount)/sum( a.qty)) as  unitPrice,b.ecss_umid as unit,
+            LEFT(a.currency, 3) AS currency,'中国' as madeArea,#{destination} as destination,'南通其他' as sourceArea  ,'照章征免' as levy  from
+            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)
+    </select>
+
 
     <insert id="saveEcssDeclarationHeader">
         insert into ecss_declaration_header (site,declaration_no,customs_office_code,input_code,local_shipper,local_ship_address,ship_type,ship_date,submit_date,
diff --git a/src/main/resources/templates/ALPHA/declaration-all-template.xlsx b/src/main/resources/templates/ALPHA/declaration-all-template.xlsx
index b5484cd6..3fb0baf6 100644
Binary files a/src/main/resources/templates/ALPHA/declaration-all-template.xlsx and b/src/main/resources/templates/ALPHA/declaration-all-template.xlsx differ
diff --git a/src/main/resources/templates/ALPHA/export-goods-template.xlsx b/src/main/resources/templates/ALPHA/export-goods-template.xlsx
index b71f28a8..f8b9d1f9 100644
Binary files a/src/main/resources/templates/ALPHA/export-goods-template.xlsx and b/src/main/resources/templates/ALPHA/export-goods-template.xlsx differ
diff --git a/src/main/resources/templates/YB/declaration-all-template.xlsx b/src/main/resources/templates/YB/declaration-all-template.xlsx
index df5c7efa..bbf827a3 100644
Binary files a/src/main/resources/templates/YB/declaration-all-template.xlsx and b/src/main/resources/templates/YB/declaration-all-template.xlsx differ
diff --git a/src/main/resources/templates/YB/export-goods-template.xlsx b/src/main/resources/templates/YB/export-goods-template.xlsx
index b71f28a8..f714e151 100644
Binary files a/src/main/resources/templates/YB/export-goods-template.xlsx and b/src/main/resources/templates/YB/export-goods-template.xlsx differ