diff --git a/src/main/java/com/gaotao/modules/check/service/impl/PhysicalInventoryServiceImpl.java b/src/main/java/com/gaotao/modules/check/service/impl/PhysicalInventoryServiceImpl.java
index e944b9b..978bd3f 100644
--- a/src/main/java/com/gaotao/modules/check/service/impl/PhysicalInventoryServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/check/service/impl/PhysicalInventoryServiceImpl.java
@@ -49,6 +49,12 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
     @Autowired
     private WcsApiService wcsApiService;  // rqrq - 注入WCS接口服务
 
+    /** 多行 VALUES 批量插入每批最大行数（count_label/count_pallet/count_result），避免 SQL Server 2100 参数上限 - rqrq */
+    private static final int BATCH_INSERT_MAX_ROWS = 100;
+
+    /** unit_id IN 列表分批大小（每 id 一个参数，另含 site 等，宜小于 2100）- rqrq */
+    private static final int UNIT_ID_IN_CLAUSE_CHUNK_SIZE = 2000;
+
     // ==================== 盘点主表 ====================
 
     @Override
@@ -285,7 +291,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countLabels.isEmpty()) {
-            baseMapper.batchInsertCountLabel(countLabels);
+            batchInsertCountLabelInChunks(countLabels);
         }
         
         // 12. 创建盘点栈板子表 - rqrq
@@ -318,7 +324,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countPallets.isEmpty()) {
-            baseMapper.batchInsertCountPallet(countPallets);
+            batchInsertCountPalletInChunks(countPallets);
         }
         
         log.info("createCycleCount 结束，盘点单号: {}", countNo);
@@ -517,7 +523,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countLabels.isEmpty()) {
-            baseMapper.batchInsertCountLabel(countLabels);
+            batchInsertCountLabelInChunks(countLabels);
         }
         
         // 7. 创建/更新盘点栈板子表 - rqrq
@@ -563,7 +569,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countPallets.isEmpty()) {
-            baseMapper.batchInsertCountPallet(countPallets);
+            batchInsertCountPalletInChunks(countPallets);
         }
         
         log.info("addMaterialToCount 结束，新增标签数: {}", countLabels.size());
@@ -643,7 +649,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countLabels.isEmpty()) {
-            baseMapper.batchInsertCountLabel(countLabels);
+            batchInsertCountLabelInChunks(countLabels);
         }
         
         // 8. 创建/更新盘点栈板子表 - rqrq
@@ -682,7 +688,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!countPallets.isEmpty()) {
-            baseMapper.batchInsertCountPallet(countPallets);
+            batchInsertCountPalletInChunks(countPallets);
         }
         
         log.info("quickAddMaterialByPartNo 结束，新增标签数: {}", countLabels.size());
@@ -1628,6 +1634,68 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
                 .orElse(null);
     }
 
+    /**
+     * @Description 分批插入 count_label，每批最多 100 行（BATCH_INSERT_MAX_ROWS）- rqrq
+     */
+    private void batchInsertCountLabelInChunks(List<CountLabel> countLabels) {
+        if (countLabels == null || countLabels.isEmpty()) {
+            return;
+        }
+        int total = countLabels.size();
+        for (int from = 0; from < total; from += BATCH_INSERT_MAX_ROWS) {
+            int to = Math.min(from + BATCH_INSERT_MAX_ROWS, total);
+            baseMapper.batchInsertCountLabel(countLabels.subList(from, to));
+            log.info("batchInsertCountLabel 分批写入 {}~{}/{} 条 - rqrq", from + 1, to, total);
+        }
+    }
+
+    /**
+     * @Description 分批插入 count_pallet，避免单条 INSERT 参数超过 SQL Server 限制 - rqrq
+     */
+    private void batchInsertCountPalletInChunks(List<CountPallet> countPallets) {
+        if (countPallets == null || countPallets.isEmpty()) {
+            return;
+        }
+        int total = countPallets.size();
+        for (int from = 0; from < total; from += BATCH_INSERT_MAX_ROWS) {
+            int to = Math.min(from + BATCH_INSERT_MAX_ROWS, total);
+            baseMapper.batchInsertCountPallet(countPallets.subList(from, to));
+            log.info("batchInsertCountPallet 分批写入 {}~{}/{} 条 - rqrq", from + 1, to, total);
+        }
+    }
+
+    /**
+     * @Description 分批插入 count_result，避免单条 INSERT 参数超过 SQL Server 限制 - rqrq
+     */
+    private void batchInsertCountResultInChunks(List<CountResult> resultList) {
+        if (resultList == null || resultList.isEmpty()) {
+            return;
+        }
+        int total = resultList.size();
+        for (int from = 0; from < total; from += BATCH_INSERT_MAX_ROWS) {
+            int to = Math.min(from + BATCH_INSERT_MAX_ROWS, total);
+            baseMapper.batchInsertCountResult(resultList.subList(from, to));
+            log.info("batchInsertCountResult 分批写入 {}~{}/{} 条 - rqrq", from + 1, to, total);
+        }
+    }
+
+    /**
+     * @Description 按 unit_id 列表分批查询 handling_unit，避免 IN 子句参数超过 SQL Server 限制 - rqrq
+     */
+    private List<CountLabelData> getHandlingUnitsByUnitIdListInChunks(String site, List<String> unitIdList) {
+        if (unitIdList == null || unitIdList.isEmpty()) {
+            return Collections.emptyList();
+        }
+        List<CountLabelData> merged = new ArrayList<>();
+        int total = unitIdList.size();
+        for (int from = 0; from < total; from += UNIT_ID_IN_CLAUSE_CHUNK_SIZE) {
+            int to = Math.min(from + UNIT_ID_IN_CLAUSE_CHUNK_SIZE, total);
+            merged.addAll(baseMapper.getHandlingUnitsByUnitIdList(site, unitIdList.subList(from, to)));
+        }
+        log.info("getHandlingUnitsByUnitIdList 分批查询 unitId 数: {} - rqrq", total);
+        return merged;
+    }
+
     /**
      * @Description 创建盘点标签实体 - rqrq
      * @param site 工厂编码
@@ -1766,7 +1834,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         if (!surplusUnitIds.isEmpty()) {
             // 查询多盘标签的详细信息 - rqrq
             List<String> surplusList = new ArrayList<>(surplusUnitIds);
-            List<CountLabelData> surplusLabels = baseMapper.getHandlingUnitsByUnitIdList(site, surplusList);
+            List<CountLabelData> surplusLabels = getHandlingUnitsByUnitIdListInChunks(site, surplusList);
             
             for (CountLabelData surplus : surplusLabels) {
                 CountResult result = new CountResult();
@@ -1823,7 +1891,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         
         // 6. 批量写入盘点结果 - rqrq
         if (!resultList.isEmpty()) {
-            baseMapper.batchInsertCountResult(resultList);
+            batchInsertCountResultInChunks(resultList);
             log.info("写入盘点结果数量: {}", resultList.size());
         }
         
@@ -2168,7 +2236,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!resultList.isEmpty()) {
-            baseMapper.batchInsertCountResult(resultList);
+            batchInsertCountResultInChunks(resultList);
             log.info("已插入盘点结果，数量: {}", resultList.size());
         }
         
@@ -2296,7 +2364,7 @@ public class PhysicalInventoryServiceImpl extends ServiceImpl<PhysicalInventoryM
         }
         
         if (!resultList.isEmpty()) {
-            baseMapper.batchInsertCountResult(resultList);
+            batchInsertCountResultInChunks(resultList);
             log.info("已插入盘点结果，数量: {}", resultList.size());
         }
         
diff --git a/src/main/resources/mapper/check/PhysicalInventoryMapper.xml b/src/main/resources/mapper/check/PhysicalInventoryMapper.xml
index c48ef2f..6becc5d 100644
--- a/src/main/resources/mapper/check/PhysicalInventoryMapper.xml
+++ b/src/main/resources/mapper/check/PhysicalInventoryMapper.xml
@@ -197,7 +197,7 @@
         ORDER BY l.pallet_id, l.unit_id
     </select>
 
-    <!-- rqrq - 批量插入盘点标签 -->
+    <!-- rqrq - 批量插入盘点标签（单批行数由 PhysicalInventoryServiceImpl 按 100 条分批调用，避免超 2100 参数） -->
     <insert id="batchInsertCountLabel">
         INSERT INTO count_label (site, count_no, unit_id, part_no, qty, batch_no, location_id, warehouse_id, wdr, pallet_id, label_type, count_flag, created_by, created_date)
         VALUES
@@ -259,7 +259,7 @@
         ORDER BY pp.seq_no
     </select>
 
-    <!-- rqrq - 批量插入盘点栈板 -->
+    <!-- rqrq - 批量插入盘点栈板（行数由 Service 按 BATCH_INSERT_MAX_ROWS 分批） -->
     <insert id="batchInsertCountPallet">
         INSERT INTO count_pallet (site, count_no, seq_no, pallet_id, count_flag, label_count, checked_count, location_z, created_by, created_date)
         VALUES
@@ -363,7 +363,7 @@
                 GETDATE(), #{result.countUser}, #{result.countResult}, #{result.diffQty}, #{result.handleFlag}, #{result.handleType}, #{result.remark}, #{result.createdBy}, GETDATE())
     </insert>
     
-    <!-- rqrq - 批量插入盘点结果（包含diff_qty、handle_flag、handle_type字段）-->
+    <!-- rqrq - 批量插入盘点结果（行数由 Service 按 BATCH_INSERT_MAX_ROWS 分批） -->
     <insert id="batchInsertCountResult">
         INSERT INTO count_result (site, count_no, unit_id, pallet_id, part_no, qty, batch_no, location_id, warehouse_id, wdr, count_date, count_user, count_result, diff_qty, handle_flag, handle_type, remark, created_by, created_date)
         VALUES
@@ -412,7 +412,7 @@
         WHERE site = #{site} AND count_no = #{countNo} AND pallet_id = #{palletId}
     </update>
     
-    <!-- rqrq - 根据标签号列表查询handling_unit信息 -->
+    <!-- rqrq - 根据标签号列表查询handling_unit（列表过长时由 Service 按 UNIT_ID_IN_CLAUSE_CHUNK_SIZE 分批） -->
     <select id="getHandlingUnitsByUnitIdList" resultType="CountLabelData">
         SELECT 
             h.site,