diff --git a/lc123/cloud/app/plugin/form/pm/PurorderCalculateBillPlugin.java b/lc123/cloud/app/plugin/form/pm/PurorderCalculateBillPlugin.java
index 95a37f1..0705a21 100644
--- a/lc123/cloud/app/plugin/form/pm/PurorderCalculateBillPlugin.java
+++ b/lc123/cloud/app/plugin/form/pm/PurorderCalculateBillPlugin.java
@@ -12,7 +12,7 @@ import java.math.BigDecimal;
 
 /**
  * 采购订单计算
- *      供应商发生改变，历史未到账余额，历史未到账数量
+ * 供应商发生改变，历史未到账余额，历史未到账数量
  */
 public class PurorderCalculateBillPlugin extends AbstractBillPlugIn {
 
@@ -23,39 +23,42 @@ public class PurorderCalculateBillPlugin extends AbstractBillPlugIn {
         String name = e.getProperty().getName();
         ChangeData[] changeSet = e.getChangeSet();
         Object newValue = changeSet[0].getNewValue();
-        if("supplier".equals(name)){
+        if ("supplier".equals(name)) {
             BigDecimal totalAmount = BigDecimal.ZERO;
             BigDecimal totalCount = BigDecimal.ZERO;
             DynamicObject supplier = (DynamicObject) newValue;
-            // 查询正常的采购订单 总额，总数量
-            QFilter f1 = new QFilter("supplier.id", "=", supplier.getPkValue());
-            QFilter f2 = new QFilter("billstatus", "=", "C");//已审核的订单
-            QFilter f3 = new QFilter("closestatus", "=", "A");//排除已关闭的订单
-            DynamicObject[] pmBillArr = BusinessDataServiceHelper.load("pm_purorderbill",
-                    "id,billno,totalamount,billentry.qty",
-                    new QFilter[]{f1, f2, f3});
-            for (DynamicObject bill : pmBillArr) {
-                totalAmount = totalAmount.add(bill.getBigDecimal("totalamount"));
-                DynamicObjectCollection entries = bill.getDynamicObjectCollection("billentry");
-                for (DynamicObject entry : entries) {
-                    totalCount = totalCount.add(entry.getBigDecimal("qty"));
+            if (null != supplier) {
+                // 查询正常的采购订单 总额，总数量
+                QFilter f1 = new QFilter("supplier.id", "=", supplier.getPkValue());
+                QFilter f2 = new QFilter("billstatus", "=", "C");//已审核的订单
+                QFilter f3 = new QFilter("closestatus", "=", "A");//排除已关闭的订单
+                DynamicObject[] pmBillArr = BusinessDataServiceHelper.load("pm_purorderbill",
+                        "id,billno,totalamount,billentry.qty",
+                        new QFilter[]{f1, f2, f3});
+                for (DynamicObject bill : pmBillArr) {
+                    totalAmount = totalAmount.add(bill.getBigDecimal("totalamount"));
+                    DynamicObjectCollection entries = bill.getDynamicObjectCollection("billentry");
+                    for (DynamicObject entry : entries) {
+                        totalCount = totalCount.add(entry.getBigDecimal("qty"));
+                    }
                 }
-            }
-            //查询采购入库单的总金额，总数量
-            QFilter qf1 = new QFilter("supplier.id", "=", supplier.getPkValue());
-            QFilter qf2 = new QFilter("billstatus", "=", "C");
-            DynamicObject[] imBillArr = BusinessDataServiceHelper.load("im_purinbill",
-                    "id,billno,billentry.qty,billentry.amountandtax",
-                    new QFilter[]{qf1, qf2});
-            for (DynamicObject bill : imBillArr) {
-                DynamicObjectCollection entries = bill.getDynamicObjectCollection("billentry");
-                for (DynamicObject entry : entries) {
-                    totalAmount = totalAmount.subtract(entry.getBigDecimal("amountandtax"));
-                    totalCount = totalCount.subtract(entry.getBigDecimal("qty"));
+                //查询采购入库单的总金额，总数量
+                QFilter qf1 = new QFilter("supplier.id", "=", supplier.getPkValue());
+                QFilter qf2 = new QFilter("billstatus", "=", "C");
+                DynamicObject[] imBillArr = BusinessDataServiceHelper.load("im_purinbill",
+                        "id,billno,billentry.qty,billentry.amountandtax",
+                        new QFilter[]{qf1, qf2});
+                for (DynamicObject bill : imBillArr) {
+                    DynamicObjectCollection entries = bill.getDynamicObjectCollection("billentry");
+                    for (DynamicObject entry : entries) {
+                        totalAmount = totalAmount.subtract(entry.getBigDecimal("amountandtax"));
+                        totalCount = totalCount.subtract(entry.getBigDecimal("qty"));
+                    }
                 }
+                this.getModel().setValue("tqq9_lswdhje", totalAmount);
+                this.getModel().setValue("tqq9_lswdhsl", totalCount);
             }
-            this.getModel().setValue("tqq9_lswdhje", totalAmount);
-            this.getModel().setValue("tqq9_lswdhsl", totalCount);
+
         }
     }
 }