diff --git a/src/views/modules/ecss/components/PackingDetailTabPallet.vue b/src/views/modules/ecss/components/PackingDetailTabPallet.vue
index a432752..1322df8 100644
--- a/src/views/modules/ecss/components/PackingDetailTabPallet.vue
+++ b/src/views/modules/ecss/components/PackingDetailTabPallet.vue
@@ -57,6 +57,18 @@
           <span class="box-weight-text">{{ scope.row.net_weight || '-' }}</span>
         </template>
       </el-table-column>
+      <el-table-column v-if="isMhmBu" :key="'box_no_after_net'" label="箱号" prop="box_no" min-width="120" align="center">
+        <template slot-scope="scope">
+          <span class="detail-text">{{ scope.row.box_no || '-' }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column v-if="isMhmBu" :key="'volume_per_box_after_net'" label="体积/箱" prop="volume_per_box" min-width="120" align="center">
+        <template slot-scope="scope">
+          <span class="detail-text">
+            {{ scope.row.volume_per_box !== null && scope.row.volume_per_box !== undefined && scope.row.volume_per_box !== '' ? Number(scope.row.volume_per_box).toFixed(2) : '-' }}
+          </span>
+        </template>
+      </el-table-column>
       <el-table-column v-if="isMhmBu" :key="'box_qty_after_net'" label="箱数" prop="box_qty" min-width="100" align="center">
         <template slot-scope="scope">
           <span class="detail-text">{{ scope.row.box_qty || '-' }}</span>
@@ -220,10 +232,41 @@ export default {
           detailsMap.get(boxItemNo).push(detail);
         });
 
+        // 兜底：部分历史数据可能没有托盘头，但存在箱和明细，按箱的seq_no自动分组展示
+        let palletSource = pallets || [];
+        if (palletSource.length === 0 && boxes.length > 0) {
+          const derivedPalletMap = new Map();
+          boxes.forEach(box => {
+            const seqNo = String(box.seq_no || box.seqNo || '');
+            if (!seqNo) {
+              return;
+            }
+            if (!derivedPalletMap.has(seqNo)) {
+              derivedPalletMap.set(seqNo, {
+                seqNo: seqNo,
+                palletNo: seqNo,
+                palletQty: '',
+                volume: null
+              });
+            }
+          });
+          palletSource = Array.from(derivedPalletMap.values()).sort((a, b) => {
+            const seqA = Number(a.seqNo);
+            const seqB = Number(b.seqNo);
+            if (!isNaN(seqA) && !isNaN(seqB)) {
+              return seqA - seqB;
+            }
+            return String(a.seqNo).localeCompare(String(b.seqNo));
+          });
+        }
+
         const flattenedData = [];
 
-        pallets.forEach(pallet => {
-          const palletSeqNo = String(pallet.seqNo);
+        palletSource.forEach(pallet => {
+          const palletSeqNo = String(pallet.seqNo || pallet.seq_no || '');
+          if (!palletSeqNo) {
+            return;
+          }
           const palletBoxes = boxesMap.get(palletSeqNo) || [];
 
           let palletRowSpan = 0;
@@ -243,9 +286,11 @@ export default {
                     _isFirstRowOfPallet: boxIdx === 0 && detailIdx === 0,
                     _isFirstRowOfBox: detailIdx === 0,
                     _boxRowSpan: detailIdx === 0 ? boxDetails.length : 0,
-                    pallet_no: pallet.palletNo,
-                    pallet_qty: pallet.palletQty,
+                    pallet_no: pallet.palletNo || pallet.pallet_no || palletSeqNo,
+                    pallet_qty: pallet.palletQty || pallet.pallet_qty || '',
                     volume: pallet.volume,
+                    box_no: box.item_no || box.itemNo,
+                    volume_per_box: box.volume,
                     gross_weight: box.gross_weight || box.grossWeight,
                     net_weight: box.net_weight || box.netWeight,
                     _hasDetail: true,
@@ -266,9 +311,11 @@ export default {
                   _isFirstRowOfPallet: boxIdx === 0,
                   _isFirstRowOfBox: true,
                   _boxRowSpan: 1,
-                  pallet_no: pallet.palletNo,
-                  pallet_qty: pallet.palletQty,
+                  pallet_no: pallet.palletNo || pallet.pallet_no || palletSeqNo,
+                  pallet_qty: pallet.palletQty || pallet.pallet_qty || '',
                   volume: pallet.volume,
+                  box_no: box.item_no || box.itemNo,
+                  volume_per_box: box.volume,
                   gross_weight: box.gross_weight || box.grossWeight,
                   net_weight: box.net_weight || box.netWeight,
                   _hasDetail: false,
@@ -288,9 +335,11 @@ export default {
               _isFirstRowOfPallet: true,
               _isFirstRowOfBox: true,
               _boxRowSpan: 1,
-              pallet_no: pallet.palletNo,
-              pallet_qty: pallet.palletQty,
+              pallet_no: pallet.palletNo || pallet.pallet_no || palletSeqNo,
+              pallet_qty: pallet.palletQty || pallet.pallet_qty || '',
               volume: pallet.volume,
+              box_no: '',
+              volume_per_box: '',
               gross_weight: '',
               net_weight: '',
               _hasDetail: false,
@@ -350,6 +399,8 @@ export default {
       const shouldMergeByBox =
         columnProp === 'gross_weight' ||
         columnProp === 'net_weight' ||
+        (this.isMhmBu && columnProp === 'box_no') ||
+        (this.isMhmBu && columnProp === 'volume_per_box') ||
         (this.isMhmBu && columnProp === 'box_qty');
       if (shouldMergeByBox) {
         if (row._isFirstRowOfBox) {
@@ -383,7 +434,7 @@ export default {
       if (column.property === 'pallet_no' || column.property === 'pallet_qty' || column.property === 'volume') {
         this.hoveredPalletKey = row._palletKey;
         this.hoveredBoxKey = null;
-      } else if (column.property === 'gross_weight' || column.property === 'net_weight' || (this.isMhmBu && column.property === 'box_qty')) {
+      } else if (column.property === 'gross_weight' || column.property === 'net_weight' || (this.isMhmBu && column.property === 'box_no') || (this.isMhmBu && column.property === 'volume_per_box') || (this.isMhmBu && column.property === 'box_qty')) {
         this.hoveredBoxKey = row._boxKey;
         this.hoveredPalletKey = null;
       }
@@ -398,7 +449,7 @@ export default {
       const columnProp = column.property;
       if (columnProp === 'pallet_no' || columnProp === 'pallet_qty' || columnProp === 'volume') {
         return 'pallet-header';
-      } else if (columnProp === 'gross_weight' || columnProp === 'net_weight' || (this.isMhmBu && columnProp === 'box_qty')) {
+      } else if (columnProp === 'gross_weight' || columnProp === 'net_weight' || (this.isMhmBu && columnProp === 'box_no') || (this.isMhmBu && columnProp === 'volume_per_box') || (this.isMhmBu && columnProp === 'box_qty')) {
         return 'box-header';
       } else if (columnProp === 'pn' || columnProp === 'qty' || columnProp === 'qty_per_box' || (!this.isMhmBu && columnProp === 'box_qty')) {
         return 'detail-header';
@@ -410,7 +461,7 @@ export default {
       const columnProp = column.property;
       if (columnProp === 'pallet_no' || columnProp === 'pallet_qty' || columnProp === 'volume') {
         return 'pallet-cell';
-      } else if (columnProp === 'gross_weight' || columnProp === 'net_weight' || (this.isMhmBu && columnProp === 'box_qty')) {
+      } else if (columnProp === 'gross_weight' || columnProp === 'net_weight' || (this.isMhmBu && columnProp === 'box_no') || (this.isMhmBu && columnProp === 'volume_per_box') || (this.isMhmBu && columnProp === 'box_qty')) {
         return 'box-cell';
       } else if (columnProp === 'pn' || columnProp === 'qty' || columnProp === 'qty_per_box' || (!this.isMhmBu && columnProp === 'box_qty')) {
         return 'detail-cell';