修改单位

src/views/InvoiceSales/invoiceApply/addview.vue

@@ -1394,7 +1394,8 @@ export default {
           if (v1.total_fee === 0) {
             isok = false;
           }
-          if (v1.unit === "") {
+          console.log(v1.unit);
+          if (v1.unit === "" || v1.unit === undefined || v1.unit === null) {
             isok = false;
           }
           let str = v1.remark.replace(/\s*/g, "");