修复后付费模式下点餐有历史订单时，跳转结账返回菜单定位失效问题

pages/product/index.vue

@@ -776,6 +776,7 @@
 	} from '@/stores/order.js';
 	import {
 		computed,
+		nextTick,
 		provide,
 		reactive
 	} from 'vue';
@@ -933,6 +934,9 @@
 
 	//左侧导航点击
 	const leftTap = (index) => {
+		console.log('topArr.value[index] ',topArr.value[index] );
+		console.log('store.height',store.height);
+		console.log('scrollTop',topArr.value[index] - store.height);
 		uni.pageScrollTo({
 			scrollTop: topArr.value[index] - store.height,
 			duration: 0
@@ -947,6 +951,7 @@
 
 	/* 获取元素顶部信息 */
 	const getElementTop = () => {
+		console.log('getElementTop');
 		new Promise((resolve, reject) => {
 			let view = uni.createSelectorQuery().selectAll('.main-item');
 			view.boundingClientRect(async (data) => {
@@ -2723,14 +2728,17 @@
 			tableCode: uni.cache.get('tableCode')
 		});
 		oldOrder.value = res;
+		nextTick(()=>{
+			getElementTop();
+		})
 		if (res && res.id && shopInfo.registerType == 'after' && !e.noJump) {
 			toHistory();
 			return;
 		}
+		
 		setTimeout(() => {
 			// 启动网络监听
 			useSocket.initNetworkListener();
-			getElementTop();
 		}, 500);
 	});
 
@@ -2811,6 +2819,9 @@
 				id: ''
 			};
 		}
+		// if(!topArr.value.length){
+		// 	getElementTop()
+		// }
 	});
 
 	//是否自动关闭socket