diff --git a/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java b/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
index 9b4982e87..336b55d5b 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
@@ -1584,6 +1584,8 @@ public class StockReceiptOrderApplicationService {
             // 主项子项结构：将 children 第一条（parent_copy）赋值给主项并删除
             assignFirstChildToParentAndRemove(stockReceiptOrderDO);
         }
+        // PDA 抄码收货不要求毛重/体积/面积，提交侧统一置 0，避免展示累计值误入本次增量
+        normalizePdaCopyReceiptGrossVolumeAreaToZero(stockReceiptOrderDO.getMaterialDetailList());
         // 供 assembleParamByReceipt 识别：方案二将单次实收拆成 level2 子行；fromPda 须在装配前设置
         // 若仅有 getInfoByApp 挂的 parent_copy：assign 后 children 已空，不可再 skip，否则从不走 inject、只会 UPDATE 主行
         // 注意 ensureFirstItemAsParent 可能替换 materialDetailList，须用 DO 上最新列表判断
@@ -2117,6 +2119,39 @@ public class StockReceiptOrderApplicationService {
                 || StringUtils.isNotBlank(line.getPalletNumber());
     }
 
+    /**
+     * PDA 抄码收货不采集毛重、体积、面积：在装配前将对应请求字段置 0，避免 getInfo 带回的累计展示值被当作本次增量。
+     */
+    private static void normalizePdaCopyReceiptGrossVolumeAreaToZero(List<ReceiptMaterialDetailDO> lines) {
+        if (CollectionUtils.isEmpty(lines)) {
+            return;
+        }
+        for (ReceiptMaterialDetailDO line : lines) {
+            if (line == null) {
+                continue;
+            }
+            if (isPdaCopyReceiptLine(line)) {
+                line.setReceiptGrossWeight(BigDecimal.ZERO);
+                line.setTotalGrossWeight(BigDecimal.ZERO);
+                line.setReceiptVolume(BigDecimal.ZERO);
+                line.setTotalVolume(BigDecimal.ZERO);
+                line.setReceiptArea(BigDecimal.ZERO);
+                line.setTotalArea(BigDecimal.ZERO);
+            }
+            normalizePdaCopyReceiptGrossVolumeAreaToZero(line.getChildren());
+        }
+    }
+
+    private static boolean isPdaCopyReceiptLine(ReceiptMaterialDetailDO line) {
+        if (line == null) {
+            return false;
+        }
+        if (line.getCopyCode() != null && line.getCopyCode() == 1) {
+            return true;
+        }
+        return StringUtils.isNotBlank(line.getCopyDetails()) || StringUtils.isNotBlank(line.getCopyQuantity());
+    }
+
     /**
      * PDA 收货回传时，将 materialDetailList 的第一项作为主项（level 1），其余项作为其子项（level 2）
      * 仅当数据库中第二项为 level 2（真实子项）时才转换，避免将两条平铺明细错误转为父子导致第一条被覆盖
diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/todo/ReceiptMaterialDetailDO.java b/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/todo/ReceiptMaterialDetailDO.java
index 96243e151..94c1a2dfb 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/todo/ReceiptMaterialDetailDO.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/todo/ReceiptMaterialDetailDO.java
@@ -351,4 +351,7 @@ public class ReceiptMaterialDetailDO extends BaseVOEntity {
     @ApiModelProperty("抄码数量克重详情")
     @Excel(name = "抄码数量克重详情")
     private String copyDetails;
+
+    @ApiModelProperty("是否抄码：1-是 2-否（与物料主数据同源，PDA/PC 透传）")
+    private Integer copyCode;
 }