diff --git a/com.awspaas.user.apps.bnbm.datalinkup/com.awspaas.user.apps.bnbm.datalinkup/src/main/java/com/awspaas/user/apps/bnbm/datalinkup/service/impl/PurchaseDataSyncServiceImpl.java b/com.awspaas.user.apps.bnbm.datalinkup/com.awspaas.user.apps.bnbm.datalinkup/src/main/java/com/awspaas/user/apps/bnbm/datalinkup/service/impl/PurchaseDataSyncServiceImpl.java
index 5b569f0..e2b8910 100644
--- a/com.awspaas.user.apps.bnbm.datalinkup/com.awspaas.user.apps.bnbm.datalinkup/src/main/java/com/awspaas/user/apps/bnbm/datalinkup/service/impl/PurchaseDataSyncServiceImpl.java
+++ b/com.awspaas.user.apps.bnbm.datalinkup/com.awspaas.user.apps.bnbm.datalinkup/src/main/java/com/awspaas/user/apps/bnbm/datalinkup/service/impl/PurchaseDataSyncServiceImpl.java
@@ -18,6 +18,7 @@ import org.slf4j.LoggerFactory;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -81,6 +82,7 @@ public class PurchaseDataSyncServiceImpl implements DataSyncService {
         String targetTable = mainConfig.getString("LDB");
         String ccId = mainConfig.getString("CC_ID");
         String partitionField = mainConfig.getString("FQBZD");
+        String tablename = mainConfig.getString("TABLENAME");
         String bkgs = mainConfig.getString("BKGS");
         DateRange dateRange = new DateRange();
 
@@ -102,6 +104,35 @@ public class PurchaseDataSyncServiceImpl implements DataSyncService {
         Date startDate = null;
         Date endDate = null;
 
+        // 判断库存同步明细和汇总明细，如果是月初第一天就将上月最后一天数据存储到快照表
+        if("库存".equals(tablename)){
+            if (LocalDate.now().getDayOfMonth() == 1) {
+                // 执行同步逻辑
+                List<BO> list = SDK.getBOAPI().query(targetTable).list();
+                int pageSize = 1000;
+                int total = list.size();
+
+                // 分页处理并批量插入
+                for (int start = 0; start < total; start += pageSize) {
+                    int end = Math.min(start + pageSize, total);
+                    List<BO> subList = list.subList(start, end);
+
+                    // 将子列表转换为目标BO的实例（如果需要字段映射，需在此处实现）
+                    ArrayList<BO> boList = new ArrayList<>();
+                    for (BO sourceBo : subList) {
+                        // 这里应根据实际字段映射关系复制属性
+                        // 例如：targetBo.set("fieldName", sourceBo.get("fieldName"));
+                        boList.add(sourceBo);
+                    }
+
+                    // 批量插入当前分页数据
+                    if (!boList.isEmpty()) {
+                        SDK.getBOAPI().createDataBO("BO_EU_CG_KC_YDKBB", boList, UserContext.fromUID("admin"));
+                    }
+                }
+            }
+        }
+
         // 删除目标表数据（根据时间字段是否为空决定删除范围）
         if (timeField == null || timeField.isEmpty()) {
             // 全量删除