修改翻包扫描不是推荐批次报错问题

src/pages/package/coms/comScanPackagePack.vue

@@ -242,7 +242,7 @@ import { getDirectoryItemArray } from '@/common/directory';
 							let record = batch.Records.find(r => r.packingNumber == packingCode);
 							if (record == undefined) {
 								//如果有推荐箱码
-								if (batch.Recommends.length > 0) {
+								if (batch.Recommends&&batch.Recommends.length > 0) {
 									let recommend = batch.Recommends.find(r => r.packingNumber == packingCode);
 									if (recommend != undefined) {
 										that.addRecord(batch, label, balance, packageInfo)