diff --git a/src/main/java/com/gaotao/modules/automatedWarehouse/entity/WmsWcsInventoryDiscrepancyData.java b/src/main/java/com/gaotao/modules/automatedWarehouse/entity/WmsWcsInventoryDiscrepancyData.java
index 5833344..d0ecba1 100644
--- a/src/main/java/com/gaotao/modules/automatedWarehouse/entity/WmsWcsInventoryDiscrepancyData.java
+++ b/src/main/java/com/gaotao/modules/automatedWarehouse/entity/WmsWcsInventoryDiscrepancyData.java
@@ -1,5 +1,6 @@
 package com.gaotao.modules.automatedWarehouse.entity;
 
+import com.alibaba.fastjson2.JSONArray;
 import com.baomidou.mybatisplus.annotation.TableField;
 import lombok.Data;
 import org.apache.ibatis.type.Alias;
@@ -48,23 +49,33 @@ public class WmsWcsInventoryDiscrepancyData extends WmsWcsInventoryDiscrepancy {
     private Integer pageSize;
     
     /**
-     * @Description 获取WMS缺失数量（计算列） - rqrq
+     * @Description 获取WMS缺失数量（计算列）- 从wms_missing_barcodes JSON数组中统计 - rqrq
      * @return Integer
      */
     public Integer getWmsMissingQuantity() {
-        if (getWmsTotalQuantity() != null && getWcsTotalQuantity() != null) {
-            return getWmsTotalQuantity() - getWcsTotalQuantity();
+        try {
+            if (getWmsMissingBarcodes() != null && !getWmsMissingBarcodes().isEmpty()) {
+                JSONArray jsonArray = JSONArray.parseArray(getWmsMissingBarcodes());
+                return jsonArray.size();
+            }
+        } catch (Exception e) {
+            // 解析失败，返回0
         }
         return 0;
     }
     
     /**
-     * @Description 获取WCS多余数量（计算列） - rqrq
+     * @Description 获取WCS多余数量（计算列）- 从wcs_extra_barcodes JSON数组中统计 - rqrq
      * @return Integer
      */
     public Integer getWcsExtraQuantity() {
-        if (getWcsTotalQuantity() != null && getWmsTotalQuantity() != null) {
-            return getWcsTotalQuantity() - getWmsTotalQuantity();
+        try {
+            if (getWcsExtraBarcodes() != null && !getWcsExtraBarcodes().isEmpty()) {
+                JSONArray jsonArray = JSONArray.parseArray(getWcsExtraBarcodes());
+                return jsonArray.size();
+            }
+        } catch (Exception e) {
+            // 解析失败，返回0
         }
         return 0;
     }
diff --git a/src/main/java/com/gaotao/modules/automatedWarehouse/service/impl/InventoryDiscrepancyServiceImpl.java b/src/main/java/com/gaotao/modules/automatedWarehouse/service/impl/InventoryDiscrepancyServiceImpl.java
index 640cc07..d39631e 100644
--- a/src/main/java/com/gaotao/modules/automatedWarehouse/service/impl/InventoryDiscrepancyServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/automatedWarehouse/service/impl/InventoryDiscrepancyServiceImpl.java
@@ -57,7 +57,12 @@ public class InventoryDiscrepancyServiceImpl implements InventoryDiscrepancyServ
             List<PalletDetailData> wmsDetailList = wcsIntegrationMapper.getPalletDetailsData(
                 callback.getSite(), callback.getPalletId());
             
-            // 3. 解析WCS扫描的条码列表 - rqrq
+            // 3. 提取WMS所有条码 - rqrq
+            List<String> wmsBarcodeList = wmsDetailList.stream()
+                .map(PalletDetailData::getSerialNo)
+                .collect(Collectors.toList());
+            
+            // 4. 解析WCS扫描的条码列表 - rqrq
             List<String> wcsBarcodeList = new ArrayList<>();
             if (callback.getWcsBarcodeList() != null && !callback.getWcsBarcodeList().isEmpty()) {
                 try {
@@ -70,74 +75,58 @@ public class InventoryDiscrepancyServiceImpl implements InventoryDiscrepancyServ
                 }
             }
             
-            // 4. 按物料分组对比 - rqrq
-            Map<String, List<String>> wmsPartBarcodes = wmsDetailList.stream()
-                .collect(Collectors.groupingBy(
-                    PalletDetailData::getPartNo,
-                    Collectors.mapping(PalletDetailData::getSerialNo, Collectors.toList())
-                ));
+            // 5. 对比整个栈板的差异（不按物料分组）- rqrq
+            Set<String> wmsSet = new HashSet<>(wmsBarcodeList);
+            Set<String> wcsSet = new HashSet<>(wcsBarcodeList);
             
-            // WCS按物料分组（需要从handlingUnit表查询serialNo对应的partNo）- rqrq
-            Map<String, List<String>> wcsPartBarcodes = groupWcsBarcodesByPartNo(callback.getSite(), wcsBarcodeList);
+            // WMS有但WCS没有的条码 - rqrq
+            Set<String> missingBarcodes = new HashSet<>(wmsSet);
+            missingBarcodes.removeAll(wcsSet);
             
-            // 5. 对比并生成差异记录 - rqrq
-            List<WmsWcsInventoryDiscrepancy> discrepancyList = new ArrayList<>();
-            Set<String> allPartNos = new HashSet<>();
-            allPartNos.addAll(wmsPartBarcodes.keySet());
-            allPartNos.addAll(wcsPartBarcodes.keySet());
+            // WCS有但WMS没有的条码 - rqrq
+            Set<String> extraBarcodes = new HashSet<>(wcsSet);
+            extraBarcodes.removeAll(wmsSet);
             
-            for (String partNo : allPartNos) {
-                List<String> wmsBarcodes = wmsPartBarcodes.getOrDefault(partNo, new ArrayList<>());
-                List<String> wcsBarcodes = wcsPartBarcodes.getOrDefault(partNo, new ArrayList<>());
-                
-                // 计算差异 - rqrq
-                Set<String> wmsSet = new HashSet<>(wmsBarcodes);
-                Set<String> wcsSet = new HashSet<>(wcsBarcodes);
-                
-                // WMS有但WCS没有的条码 - rqrq
-                Set<String> missingBarcodes = new HashSet<>(wmsSet);
-                missingBarcodes.removeAll(wcsSet);
-                
-                // WCS有但WMS没有的条码 - rqrq
-                Set<String> extraBarcodes = new HashSet<>(wcsSet);
-                extraBarcodes.removeAll(wmsSet);
-                
-                // 如果有差异，生成记录 - rqrq
-                if (!missingBarcodes.isEmpty() || !extraBarcodes.isEmpty()) {
-                    WmsWcsInventoryDiscrepancy discrepancy = new WmsWcsInventoryDiscrepancy();
-                    discrepancy.setSite(callback.getSite());
-                    discrepancy.setCallbackId(callback.getId());
-                    discrepancy.setPalletId(callback.getPalletId());
-                    discrepancy.setTaskNo(callback.getTaskNo());
-                    discrepancy.setItemNo(callback.getItemNo());
-                    discrepancy.setOperationType("picking");
-                    discrepancy.setOperationTime(callback.getWcsScanTime());
-                    discrepancy.setPartNo(partNo);
-                    
-                    discrepancy.setWmsTotalQuantity(wmsBarcodes.size());
-                    discrepancy.setWcsTotalQuantity(wcsBarcodes.size());
-                    
-                    discrepancy.setWmsBarcodeList(JSONObject.toJSONString(wmsBarcodes));
-                    discrepancy.setWcsBarcodeList(JSONObject.toJSONString(wcsBarcodes));
-                    discrepancy.setWmsMissingBarcodes(JSONObject.toJSONString(new ArrayList<>(missingBarcodes)));
-                    discrepancy.setWcsExtraBarcodes(JSONObject.toJSONString(new ArrayList<>(extraBarcodes)));
-                    
-                    discrepancy.setStatus(0); // 待处理 - rqrq
-                    discrepancy.setRemark("系统自动对账生成");
-                    
-                    discrepancyList.add(discrepancy);
-                }
-            }
+            // 6. 生成一条差异记录（无论是否有差异都记录，便于追踪）- rqrq
+            WmsWcsInventoryDiscrepancy discrepancy = new WmsWcsInventoryDiscrepancy();
+            discrepancy.setSite(callback.getSite());
+            discrepancy.setCallbackId(callback.getId());
+            discrepancy.setPalletId(callback.getPalletId());
+            discrepancy.setTaskNo(callback.getTaskNo());
+            discrepancy.setItemNo(callback.getItemNo());
+            discrepancy.setOperationType("picking");
+            discrepancy.setOperationTime(callback.getWcsScanTime());
+            discrepancy.setPartNo(""); // 不再按物料分组，留空 - rqrq
+            
+            discrepancy.setWmsTotalQuantity(wmsBarcodeList.size());
+            discrepancy.setWcsTotalQuantity(wcsBarcodeList.size());
+            
+            discrepancy.setWmsBarcodeList(JSONObject.toJSONString(wmsBarcodeList));
+            discrepancy.setWcsBarcodeList(JSONObject.toJSONString(wcsBarcodeList));
+            discrepancy.setWmsMissingBarcodes(JSONObject.toJSONString(new ArrayList<>(missingBarcodes)));
+            discrepancy.setWcsExtraBarcodes(JSONObject.toJSONString(new ArrayList<>(extraBarcodes)));
             
-            // 6. 批量插入差异记录 - rqrq
-            if (!discrepancyList.isEmpty()) {
-                wmsWcsInventoryDiscrepancyMapper.batchInsert(discrepancyList);
-                System.out.println("生成库存差异记录 - rqrq，数量=" + discrepancyList.size());
+            // 如果有差异，标记为待处理；无差异，标记为已处理 - rqrq
+            if (!missingBarcodes.isEmpty() || !extraBarcodes.isEmpty()) {
+                discrepancy.setStatus(0); // 待处理 - rqrq
+                discrepancy.setRemark("系统自动对账生成 - 发现差异");
             } else {
-                System.out.println("对账完成，无差异记录 - rqrq");
+                discrepancy.setStatus(2); // 已处理（无差异）- rqrq
+                discrepancy.setRemark("系统自动对账生成 - 无差异");
             }
             
-            // 7. 更新回调记录状态为已完成 - rqrq
+            // 7. 插入差异记录（改为单条插入）- rqrq
+            List<WmsWcsInventoryDiscrepancy> discrepancyList = new ArrayList<>();
+            discrepancyList.add(discrepancy);
+            wmsWcsInventoryDiscrepancyMapper.batchInsert(discrepancyList);
+            
+            System.out.println("生成库存差异记录 - rqrq，栈板=" + callback.getPalletId() 
+                + "，WMS条码数=" + wmsBarcodeList.size() 
+                + "，WCS条码数=" + wcsBarcodeList.size()
+                + "，缺失=" + missingBarcodes.size()
+                + "，多余=" + extraBarcodes.size());
+            
+            // 8. 更新回调记录状态为已完成 - rqrq
             wcsCallbackPalletScanMapper.updateProcessStatus(callback.getId(), "COMPLETED", null);
             
             System.out.println("WCS回调扫描记录对账完成 - rqrq，palletId=" + callback.getPalletId() 
@@ -157,34 +146,6 @@ public class InventoryDiscrepancyServiceImpl implements InventoryDiscrepancyServ
         }
     }
     
-    /**
-     * @Description 将WCS条码按物料分组 - rqrq
-     * @Title groupWcsBarcodesByPartNo
-     * @param site 工厂编码
-     * @param wcsBarcodeList WCS条码列表
-     * @return Map<String, List<String>>
-     * @author rqrq
-     * @date 2025/10/07
-     */
-    private Map<String, List<String>> groupWcsBarcodesByPartNo(String site, List<String> wcsBarcodeList) {
-        Map<String, List<String>> result = new HashMap<>();
-        
-        for (String serialNo : wcsBarcodeList) {
-            try {
-                // 从handlingUnit表查询serialNo对应的partNo - rqrq
-                Map<String, Object> labelInfo = wcsIntegrationMapper.validateLabel(site, serialNo);
-                if (labelInfo != null && labelInfo.get("part_no") != null) {
-                    String partNo = (String) labelInfo.get("part_no");
-                    result.computeIfAbsent(partNo, k -> new ArrayList<>()).add(serialNo);
-                }
-            } catch (Exception e) {
-                System.err.println("查询条码对应物料失败 - rqrq，serialNo=" + serialNo + "，错误：" + e.getMessage());
-            }
-        }
-        
-        return result;
-    }
-    
     /**
      * @Description 分页查询库存差异记录 - rqrq
      * @Title queryPage
@@ -215,11 +176,6 @@ public class InventoryDiscrepancyServiceImpl implements InventoryDiscrepancyServ
             wrapper.like("task_no", data.getTaskNo());
         }
         
-        // 物料编号条件 - rqrq
-        if (StringUtils.hasText(data.getPartNo())) {
-            wrapper.like("part_no", data.getPartNo());
-        }
-        
         // 状态条件 - rqrq
         if (data.getStatus() != null) {
             wrapper.eq("status", data.getStatus());