发票登记进行勾选取消操作后，点击登记报错系统繁忙

src/views/inout/InvoiceCkeck.vue

@@ -482,7 +482,7 @@ export default {
   components: {AcceptOrder, DialogInvoice, InvoiceRegister, ElImageViewer},
   methods: {
     onSubmit() {
-      if (this.invoiceRow == null) {
+      if (this.invoiceRow == null|| this.invoiceRow.length === 0) {
         this.$message.error("请选择要登记的物资! ");
         return false;
       }