diff --git a/lc123/cloud/app/plugin/form/pm/PuroderBillShareRefundPlugin.java b/lc123/cloud/app/plugin/form/pm/PuroderBillShareRefundPlugin.java
index 99e7334..bf90e0d 100644
--- a/lc123/cloud/app/plugin/form/pm/PuroderBillShareRefundPlugin.java
+++ b/lc123/cloud/app/plugin/form/pm/PuroderBillShareRefundPlugin.java
@@ -1,6 +1,7 @@
 package tqq9.lc123.cloud.app.plugin.form.pm;
 
 import com.google.gson.Gson;
+import kd.bamp.bastax.common.util.DateUtils;
 import kd.bos.bill.AbstractBillPlugIn;
 import kd.bos.dataentity.entity.DynamicObject;
 import kd.bos.dataentity.entity.DynamicObjectCollection;
@@ -16,6 +17,7 @@ import kd.bos.logging.LogFactory;
 import kd.bos.orm.query.QCP;
 import kd.bos.orm.query.QFilter;
 import kd.bos.servicehelper.BusinessDataServiceHelper;
+import kd.bos.servicehelper.QueryServiceHelper;
 import tqq9.lc123.cloud.app.eip.iscb.LCLogService;
 import tqq9.lc123.cloud.app.eip.iscb.impl.LCLogServiceImpl;
 import tqq9.lc123.cloud.app.plugin.utils.HttpRequestUtils;
@@ -23,10 +25,8 @@ import tqq9.lc123.cloud.app.plugin.utils.HttpRequestUtils;
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * 采购订单
@@ -430,6 +430,47 @@ public class PuroderBillShareRefundPlugin extends AbstractBillPlugIn {
                         getModel().setValue("tqq9_zgcgxj", tqq9_maxprice_gz, rowIndex);
                     }
                 }
+
+                //物料值改变事件，获取过去6个月事件内的最低成本单价
+                Date sixMonthsAgo = DateUtils.addMonth((Date) getModel().getValue("biztime"), -6);
+                QFilter q1 = new QFilter("biztime", ">=", sixMonthsAgo);// 时间 大于等于 六个月
+                QFilter q2 = new QFilter("billentry.material.masterid.id", "=", bd_material.getPkValue());//物料与当前行的物料相同
+                QFilter q3 = new QFilter("billentry.tqq9_disandrefoundprice", "!=", 0);//明细-有优惠有返利单价不等于0
+                QFilter q4 = new QFilter("billentry.tqq9_hfamount", "=", 0);// 明细-的货返金额等于0
+                DynamicObjectCollection dymObjectCollerction = QueryServiceHelper.query("pm_purorderbill",
+                        "id,billentry,billentry.tqq9_disandrefoundprice,billentry.tqq9_hfamount,billentry.tqq9_disprice,billentry.material.id",
+                        new QFilter[]{q1,q2,q3,q4}, "billentry.tqq9_disprice asc", 1);
+                List<DynamicObject> menuNotes = new ArrayList<>();
+
+                if(dymObjectCollerction != null && dymObjectCollerction.size() > 0){
+                    DynamicObject doj = dymObjectCollerction.get(0);
+                    BigDecimal tqq9_disprice = doj.getBigDecimal("billentry.tqq9_disprice");
+                    getModel().setValue("tqq9_costprice", tqq9_disprice, rowIndex);
+                }
+
+//                for (DynamicObject doj : dymObjectCollerction) {
+//                    if (doj.getBigDecimal("billentry.tqq9_disandrefoundprice").compareTo(BigDecimal.ZERO) != 0
+//                            && doj.getBigDecimal("billentry.tqq9_hfamount").compareTo(BigDecimal.ZERO) == 0) {
+//                        menuNotes.add(doj);
+//                    }
+//                }
+//                // 冒泡排序升序排列
+//                for (int i = 0; i < menuNotes.size() - 1; i++) {
+//                    for (int j = 0; j < menuNotes.size() - 1 - i; j++) {
+//                        BigDecimal price1 = menuNotes.get(j).getBigDecimal("billentry.tqq9_disprice");
+//                        BigDecimal price2 = menuNotes.get(j + 1).getBigDecimal("billentry.tqq9_disprice");
+//                        if (price1 == null) price1 = BigDecimal.ZERO;
+//                        if (price2 == null) price2 = BigDecimal.ZERO;
+//                        if (price1.compareTo(price2) > 0) {
+//                            // 交换元素
+//                            DynamicObject temp = menuNotes.get(j);
+//                            menuNotes.set(j, menuNotes.get(j + 1));
+//                            menuNotes.set(j + 1, temp);
+//                        }
+//                    }
+//                }
+//                DynamicObject minPricesObj = menuNotes.get(0);
+//                getModel().setValue("tqq9_costprice", minPricesObj.getBigDecimal("billentry.tqq9_disprice"), rowIndex);
             }
         }
         if (StringUtils.equals("priceandtax", name)) {