复制后，订单日期需要为当天日期

src/views/purchase/purchase-order/add/index.vue

@@ -109,6 +109,7 @@ export default {
             status: "0",
             source: "3",
             isClose:'N',
+            billDate: new Date().Format('yyyy-MM-dd'),
             closeTime:'',
             isInvoice:'N',
             isSendWms:'N',