diff --git a/SC-boot/linkage-scm/src/main/java/jnpf/purchaseorder/service/impl/PurchaseorderitemServiceImpl.java b/SC-boot/linkage-scm/src/main/java/jnpf/purchaseorder/service/impl/PurchaseorderitemServiceImpl.java
index e6cdb4d1..7765727a 100644
--- a/SC-boot/linkage-scm/src/main/java/jnpf/purchaseorder/service/impl/PurchaseorderitemServiceImpl.java
+++ b/SC-boot/linkage-scm/src/main/java/jnpf/purchaseorder/service/impl/PurchaseorderitemServiceImpl.java
@@ -39,6 +39,7 @@ import jnpf.permission.util.PermissionUtil;
 import jnpf.poundlist.entity.PoundlistEntity;
 import jnpf.poundlist.mapper.PoundlistMapper;
 import jnpf.poundlist.service.PoundlistService;
+import jnpf.purchaseback.entity.PurchaseorderEntity;
 import jnpf.purchaseorder.entity.*;
 import jnpf.purchaseorder.mapper.Purchaseorder_item0Mapper;
 import jnpf.purchaseorder.mapper.PurchaseorderitemMapper;
@@ -1032,8 +1033,8 @@ public class PurchaseorderitemServiceImpl extends ServiceImpl<PurchaseorderitemM
         } else {
             try {
                 String sidx = purchaseorderPagination.getSidx();
-                PoundlistEntity poundlistEntity = new PoundlistEntity();
-                Field declaredField = poundlistEntity.getClass().getDeclaredField(sidx);
+                PurchaseorderEntity purchaseorderEntity = new PurchaseorderEntity();
+                Field declaredField = purchaseorderEntity.getClass().getDeclaredField(sidx);
                 declaredField.setAccessible(true);
                 String value = declaredField.getAnnotation(TableField.class).value();
                 purchaseorderPagination.setSidx(value);