diff --git a/lc123/cloud/app/plugin/form/pm/PurorderEntryIntroPaybillPlugin.java b/lc123/cloud/app/plugin/form/pm/PurorderEntryIntroPaybillPlugin.java
index cd49599..47a7fb3 100644
--- a/lc123/cloud/app/plugin/form/pm/PurorderEntryIntroPaybillPlugin.java
+++ b/lc123/cloud/app/plugin/form/pm/PurorderEntryIntroPaybillPlugin.java
@@ -29,10 +29,7 @@ import kd.bos.servicehelper.BusinessDataServiceHelper;
 import kd.bos.servicehelper.user.UserServiceHelper;
 
 import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.EventObject;
-import java.util.List;
+import java.util.*;
 
 /**
  * 采购订单界面插件
@@ -82,12 +79,48 @@ public class PurorderEntryIntroPaybillPlugin extends AbstractBillPlugIn implemen
                     int rowIndex = selectRows[0];
                     ListSelectedRow listSelectedRow = ((ListSelectedRowCollection) returnData).get(0);
                     DynamicObject dynamicObject = BusinessDataServiceHelper.loadSingle(listSelectedRow.toString(), "cas_paybill");
-                    BigDecimal unsettleamount = dynamicObject.getBigDecimal("unsettleamount");
+                    if (null != dynamicObject) {
+                        //查询非当前订单，已提交已审核的订单
+                        DynamicObject[] pm_purorderbills = BusinessDataServiceHelper.load("pm_purorderbill",
+                                "id,billno,purbillentry_pay.tqq9_paybillno,purbillentry_pay.isprepay,purbillentry_pay.tqq9_settleamount"
+                                , new QFilter[]{new QFilter("purbillentry_pay.tqq9_paybillno", QCP.in, dynamicObject.getString("billno"))
+                                        , new QFilter("billno", QCP.not_equals, this.getModel().getValue("billno"))
+                                        , new QFilter("billstatus", QCP.in, new String[]{"B", "C"})});
+                        //历史采购订单的付款单map
+                        Map<String, BigDecimal> settleMap = new HashMap<>();
+                        if (null != pm_purorderbills && pm_purorderbills.length > 0) {
+                            for (DynamicObject pm_purorderbill : pm_purorderbills) {
+                                DynamicObjectCollection purbillentry_pay = pm_purorderbill.getDynamicObjectCollection("purbillentry_pay");
+                                for (DynamicObject object : purbillentry_pay) {
+                                    boolean isprepay = object.getBoolean("isprepay");//是否预付
+                                    if (isprepay) {
+                                        String tqq9_paybillno = object.getString("tqq9_paybillno");//付款处理单
+                                        if (kd.bos.util.StringUtils.isNotEmpty(tqq9_paybillno)) {
+                                            BigDecimal tqq9_settleamount = object.getBigDecimal("tqq9_settleamount") == null
+                                                    ? BigDecimal.ZERO : object.getBigDecimal("tqq9_settleamount");//本次结算金额
+                                            if (!settleMap.containsKey(tqq9_paybillno)) {
+                                                settleMap.put(tqq9_paybillno, tqq9_settleamount);
+                                            } else {
+                                                BigDecimal bigDecimal = settleMap.get(tqq9_paybillno);
+                                                settleMap.put(tqq9_paybillno, tqq9_settleamount.add(bigDecimal));
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
 
-                    model.setValue("tqq9_paybillno", dynamicObject.getString("billno"));//付款单
-                    model.setValue("joinpayamount", unsettleamount, rowIndex);//关联付款金额
-                    model.setValue("paidamount", unsettleamount, rowIndex);//已付金额
-                    model.setValue("tqq9_settleamount", unsettleamount, rowIndex);//本次结算金额
+                        BigDecimal actpayamt = dynamicObject.getBigDecimal("actpayamt") == null
+                                ? BigDecimal.ZERO : dynamicObject.getBigDecimal("actpayamt");//付款金额
+                        String casPayBillNo = dynamicObject.getString("billno");
+                        BigDecimal settleamount = settleMap.get(casPayBillNo) == null ? BigDecimal.ZERO : settleMap.get(casPayBillNo);//历史已结算金额
+                        BigDecimal leftAmount = actpayamt.subtract(settleamount);//剩余结算金额
+
+                        model.setValue("tqq9_paybillno", dynamicObject.getString("billno"));//付款单
+                        model.setValue("joinpayamount", leftAmount, rowIndex);//关联付款金额
+                        model.setValue("paidamount", leftAmount, rowIndex);//已付金额
+                        model.setValue("tqq9_settleamount", leftAmount, rowIndex);//本次结算金额
+                    }
                 }
             }