修复微信小程序上空值是undefined导致的台桌接口报错和确认订单商品不展示的问题

pagesCreateOrder/choose-table/choose-table.vue

@@ -166,7 +166,7 @@
 	async function getTable() {
 		// let state=status.list[status.active].key
 		// state=state?(state=='all'?'':state):''
-		const areaId=area.list[area.defaultCateIndex].id
+		const areaId=area.list[area.defaultCateIndex].id||''
 		let {
 			content,total
 		} = await $table.get({...query,areaId,name:searchValue.value,state:'idle'})