diff --git a/lc123/cloud/app/plugin/form/sys/MaterialBillPlugin.java b/lc123/cloud/app/plugin/form/sys/MaterialBillPlugin.java
index 02b0fe0..e0570c8 100644
--- a/lc123/cloud/app/plugin/form/sys/MaterialBillPlugin.java
+++ b/lc123/cloud/app/plugin/form/sys/MaterialBillPlugin.java
@@ -297,26 +297,30 @@ public class MaterialBillPlugin extends AbstractBillPlugIn {
         }
         if("copyandchange".equals(operateKey)) {
             super.beforeDoOperation(args);
+            this.getPageCache().put("copyMatId", this.getModel().getValue("id").toString());
             FormOperate operate = (FormOperate) args.getSource();
             String operateNo = operate.getOperateKey();
-            if(operateNo.equalsIgnoreCase("copy")){
+            if(operateNo.equalsIgnoreCase("copyandchange")){
                 DynamicObject bill = this.getModel().getDataEntity();
                 this.getView().getFormShowParameter().setCustomParam("copySrcBillName", bill.getString("name"));
                 this.getView().getFormShowParameter().setCustomParam("copySrcBillNumber", bill.getString("number"));
+                this.getView().getFormShowParameter().setCustomParam("operateKey", "copyandchange");
             }
         }
     }
 
-
     @Override
     public void afterCopyData(EventObject e) {
         super.afterCopyData(e);
-        String copySrcBillName = this.getView().getFormShowParameter().getCustomParam("copySrcBillName");
-        String copySrcBillNumber = this.getView().getFormShowParameter().getCustomParam("copySrcBillNumber");
-        DynamicObject dataEntity = this.getModel().getDataEntity(true);
-        dataEntity.set("name", copySrcBillName + "_copy");
-        dataEntity.set("tqq9_srcnumber", copySrcBillNumber);
-        this.getView().invokeOperation("save");
+        String operateKey = this.getView().getFormShowParameter().getCustomParam("operateKey");
+        if("copyandchange".equals(operateKey)){
+            String copySrcBillName = this.getView().getFormShowParameter().getCustomParam("copySrcBillName");
+            String copySrcBillNumber = this.getView().getFormShowParameter().getCustomParam("copySrcBillNumber");
+            DynamicObject dataEntity = this.getModel().getDataEntity(true);
+            dataEntity.set("name", copySrcBillName + "_copy");
+            dataEntity.set("tqq9_srcnumber", copySrcBillNumber);
+            this.getView().invokeOperation("save");
+        }
     }
 
     public void afterDoOperation(AfterDoOperationEventArgs evt) {
diff --git a/lc123/cloud/app/plugin/form/sys/MaterialListPlugin.java b/lc123/cloud/app/plugin/form/sys/MaterialListPlugin.java
index 2257082..87620be 100644
--- a/lc123/cloud/app/plugin/form/sys/MaterialListPlugin.java
+++ b/lc123/cloud/app/plugin/form/sys/MaterialListPlugin.java
@@ -229,6 +229,7 @@ public class MaterialListPlugin extends AbstractListPlugin implements Plugin {
             BillShowParameter parameter = e.getParameter();
             parameter.setCustomParam("copySrcBillName",bd_material.getString("name"));
             parameter.setCustomParam("copySrcBillNumber",bd_material.getString("number"));
+            this.getView().getFormShowParameter().setCustomParam("operateKey", "copyandchange");
         }
 
     }