diff --git a/src/main/java/com/gaotao/modules/check/entity/RfidCountHeader.java b/src/main/java/com/gaotao/modules/check/entity/RfidCountHeader.java
index b61204b..7931b76 100644
--- a/src/main/java/com/gaotao/modules/check/entity/RfidCountHeader.java
+++ b/src/main/java/com/gaotao/modules/check/entity/RfidCountHeader.java
@@ -83,18 +83,23 @@ public class RfidCountHeader {
     private Date countTime;
     
     /**
-     * 标签数量（定时任务填充后更新）
+     * 标签数量（定时任务填充后更新，表示该次盘点的标签数量）
      */
     @TableField("label_count")
     private Integer labelCount;
     
     /**
-     * 是否已使用（是否已生成盘点单）
+     * 是否已使用（是否已处理）
      * <p><b>枚举值说明：</b></p>
      * <ul>
-     *   <li>N = 未使用，可以生成盘点单</li>
-     *   <li>Y = 已使用，已生成盘点单</li>
+     *   <li>N = 未处理，定时任务会填充明细和快照表</li>
+     *   <li>Y = 已处理，定时任务不再处理此记录</li>
      * </ul>
+     * <p><b>⚠️ 重要说明：</b></p>
+     * <pre>
+     * is_used='Y'表示定时任务已处理完成（填充了子表和快照表）
+     * 后续人工可以基于此数据生成正式盘点单（count_result）
+     * </pre>
      */
     @TableField("is_used")
     private String isUsed;
diff --git a/src/main/java/com/gaotao/modules/check/service/RfidCountHeaderService.java b/src/main/java/com/gaotao/modules/check/service/RfidCountHeaderService.java
index ab8b9f7..4578996 100644
--- a/src/main/java/com/gaotao/modules/check/service/RfidCountHeaderService.java
+++ b/src/main/java/com/gaotao/modules/check/service/RfidCountHeaderService.java
@@ -25,14 +25,15 @@ public interface RfidCountHeaderService extends IService<RfidCountHeader> {
      * 
      * <p><b>业务逻辑：</b></p>
      * <pre>
-     * 1. 查询rfid_count_header（is_used='N'且label_count=null的记录）
+     * 1. 查询rfid_count_header（is_used='N'的记录）
      * 2. 遍历每条记录：
      *    - 从pallet_detail查询标签列表（site+pallet_id）
-     *    - 从mes_unit查询标签详细信息
+     *    - 从handling_unit查询标签详细信息
      *    - 批量保存到rfid_count_detail
      *    - 更新或新增到rfid_count_snapshot
-     *    - 更新rfid_count_header的label_count
+     *    - 更新rfid_count_header：label_count=标签数量，is_used='Y'
      * 3. 事务处理：每条主表记录独立事务
+     * 4. label_count仅记录标签数量，is_used='Y'表示已处理
      * </pre>
      * 
      * @author rqrq
diff --git a/src/main/java/com/gaotao/modules/check/service/impl/RfidCountHeaderServiceImpl.java b/src/main/java/com/gaotao/modules/check/service/impl/RfidCountHeaderServiceImpl.java
index 9e4d502..df53358 100644
--- a/src/main/java/com/gaotao/modules/check/service/impl/RfidCountHeaderServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/check/service/impl/RfidCountHeaderServiceImpl.java
@@ -104,13 +104,13 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
      * 
      * <p><b>业务逻辑：</b></p>
      * <pre>
-     * 1. 查询未填充的主表记录（is_used='N' AND label_count IS NULL）
+     * 1. 查询未处理的主表记录（is_used='N'）
      * 2. 遍历每条记录：
      *    - 从pallet_detail查询标签列表
      *    - 从handling_unit查询标签详细信息
      *    - 批量保存到rfid_count_detail
      *    - 更新或新增到rfid_count_snapshot
-     *    - 更新rfid_count_header的label_count
+     *    - 更新rfid_count_header：label_count=标签数量，is_used='Y'
      * 3. 每条主表记录独立事务处理
      * </pre>
      * 
@@ -122,24 +122,23 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
         log.info("开始填充RFID日常入库盘点明细和快照表 - rqrq");
         
         try {
-            // 1. 查询未填充的主表记录 - rqrq
-            List<RfidCountHeader> unfilledHeaders = this.lambdaQuery()
+            // 1. 查询未处理的主表记录（只查is_used='N'）- rqrq
+            List<RfidCountHeader> unprocessedHeaders = this.lambdaQuery()
                     .eq(RfidCountHeader::getIsUsed, "N")
-                    .isNull(RfidCountHeader::getLabelCount)
                     .list();
             
-            if (unfilledHeaders.isEmpty()) {
-                log.info("没有待填充的盘点记录 - rqrq");
+            if (unprocessedHeaders.isEmpty()) {
+                log.info("没有待处理的盘点记录 - rqrq");
                 return;
             }
             
-            log.info("查询到{}条待填充的盘点记录 - rqrq", unfilledHeaders.size());
+            log.info("查询到{}条待处理的盘点记录 - rqrq", unprocessedHeaders.size());
             
             int successCount = 0;
             int failCount = 0;
             
             // 2. 遍历处理每条记录 - rqrq
-            for (RfidCountHeader header : unfilledHeaders) {
+            for (RfidCountHeader header : unprocessedHeaders) {
                 try {
                     processOneHeader(header);
                     successCount++;
@@ -152,7 +151,7 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
             }
             
             log.info("填充RFID日常入库盘点明细完成 - rqrq，总数={}, 成功={}, 失败={}",
-                    unfilledHeaders.size(), successCount, failCount);
+                    unprocessedHeaders.size(), successCount, failCount);
             
         } catch (Exception e) {
             log.error("填充RFID日常入库盘点明细失败 - rqrq：{}", e.getMessage(), e);
@@ -178,8 +177,9 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
         if (palletDetailList == null || palletDetailList.isEmpty()) {
             log.warn("托盘无标签明细 - rqrq，site={}, palletId={}", 
                     header.getSite(), header.getPalletId());
-            // 更新label_count为0 - rqrq
+            // 更新label_count为0，is_used='Y' - rqrq
             header.setLabelCount(0);
+            header.setIsUsed("Y");
             this.updateById(header);
             return;
         }
@@ -245,7 +245,7 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
             log.info("保存{}条明细记录 - rqrq，palletId={}", detailList.size(), header.getPalletId());
         }
         
-        // 6. 更新或新增快照 - rqrq
+        // 6. 更新或新增快照（联合主键需要用LambdaUpdateWrapper）- rqrq
         if (!snapshotList.isEmpty()) {
             for (RfidCountSnapshot snapshot : snapshotList) {
                 // 查询是否已存在 - rqrq
@@ -256,19 +256,25 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
                 );
                 
                 if (existSnapshot != null) {
-                    // 存在则更新 - rqrq
-                    existSnapshot.setPartNo(snapshot.getPartNo());
-                    existSnapshot.setQty(snapshot.getQty());
-                    existSnapshot.setBatchNo(snapshot.getBatchNo());
-                    existSnapshot.setLocationId(snapshot.getLocationId());
-                    existSnapshot.setWarehouseId(snapshot.getWarehouseId());
-                    existSnapshot.setWdr(snapshot.getWdr());
-                    existSnapshot.setLastCountDate(snapshot.getLastCountDate());
-                    existSnapshot.setPalletId(snapshot.getPalletId());
-                    existSnapshot.setCountResult(snapshot.getCountResult());
-                    existSnapshot.setCountTimes(existSnapshot.getCountTimes() + 1);  // 累加次数 - rqrq
-                    existSnapshot.setUpdatedDate(new Date());
-                    rfidCountSnapshotMapper.updateById(existSnapshot);
+                    // 存在则更新（使用LambdaUpdateWrapper，因为是联合主键）- rqrq
+                    int countTimes = existSnapshot.getCountTimes() != null ? existSnapshot.getCountTimes() + 1 : 1;
+                    
+                    rfidCountSnapshotMapper.update(null,
+                            new com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper<RfidCountSnapshot>()
+                                    .eq(RfidCountSnapshot::getSite, snapshot.getSite())
+                                    .eq(RfidCountSnapshot::getUnitId, snapshot.getUnitId())
+                                    .set(RfidCountSnapshot::getPartNo, snapshot.getPartNo())
+                                    .set(RfidCountSnapshot::getQty, snapshot.getQty())
+                                    .set(RfidCountSnapshot::getBatchNo, snapshot.getBatchNo())
+                                    .set(RfidCountSnapshot::getLocationId, snapshot.getLocationId())
+                                    .set(RfidCountSnapshot::getWarehouseId, snapshot.getWarehouseId())
+                                    .set(RfidCountSnapshot::getWdr, snapshot.getWdr())
+                                    .set(RfidCountSnapshot::getLastCountDate, snapshot.getLastCountDate())
+                                    .set(RfidCountSnapshot::getPalletId, snapshot.getPalletId())
+                                    .set(RfidCountSnapshot::getCountResult, snapshot.getCountResult())
+                                    .set(RfidCountSnapshot::getCountTimes, countTimes)
+                                    .set(RfidCountSnapshot::getUpdatedDate, new Date())
+                    );
                 } else {
                     // 不存在则新增 - rqrq
                     snapshot.setCountTimes(1);
@@ -280,11 +286,12 @@ public class RfidCountHeaderServiceImpl extends ServiceImpl<RfidCountHeaderMappe
             log.info("更新{}条快照记录 - rqrq，palletId={}", snapshotList.size(), header.getPalletId());
         }
         
-        // 7. 更新主表的label_count - rqrq
+        // 7. 更新主表：label_count=标签数量，is_used='Y'（标记已处理）- rqrq
         header.setLabelCount(detailList.size());
+        header.setIsUsed("Y");
         this.updateById(header);
         
-        log.info("处理盘点记录完成 - rqrq，site={}, palletId={}, labelCount={}",
+        log.info("处理盘点记录完成 - rqrq，site={}, palletId={}, labelCount={}, is_used=Y",
                 header.getSite(), header.getPalletId(), detailList.size());
     }
 }