diff --git a/components/navseat.vue b/components/navseat.vue
index 2bcc098..d218c4b 100644
--- a/components/navseat.vue
+++ b/components/navseat.vue
@@ -58,22 +58,26 @@
 				type: Boolean,
 				default: false
 			},
-			titleshow: {//标题是否显示
+			titleshow: { //标题是否显示
 				type: Boolean,
 				default: false
 			},
-			heightshow: {//是否要占位高度
+			heightshow: { //是否要占位高度
 				type: Boolean,
 				default: false
 			},
-			iconshow: {//返回键是否显示
+			iconshow: { //返回键是否显示
 				type: Boolean,
 				default: true
 			},
-			iconcolor:{//返回键颜色
+			iconcolor: { //返回键颜色
 				type: String,
 				default: '#000'
 			},
+			navigateBacknavtitle: {
+				type: Boolean,
+				default: false
+			}
 		},
 		computed: {
 			HeighT() { //手机类型的尺寸
@@ -95,7 +99,11 @@
 				})
 			},
 			clicknavigateBack() {
-				uni.navigateBack()
+				if (this.navigateBacknavtitle) {
+					this.$emit('navigateBacknav')
+				} else {
+					uni.navigateBack()
+				}
 			}
 		}
 
diff --git a/pages/order_food/order_food.vue b/pages/order_food/order_food.vue
index c5cdde3..b961bc6 100644
--- a/pages/order_food/order_food.vue
+++ b/pages/order_food/order_food.vue
@@ -8,9 +8,11 @@
 		</view>
 		<!-- 顶部面板 -->
 		<view class="top--panel">
-			<navseat :opacity='opacity' :titleshow='true'></navseat>
+			<navseat :opacity='opacity' :titleshow='true' @navigateBacknav='navigateBacknav' :navigateBacknavtitle='true'></navseat>
 			<!-- 顶部面板，可添加所需要放在页面顶部的内容代码。比如banner图 -->
-			<image class="panelimgbackground" :src="shopInfo.storeInfo.coverImg||'https://czg-qr-order.oss-cn-beijing.aliyuncs.com/shopDetails/topBanner.png'" mode="aspectFill">
+			<image class="panelimgbackground"
+				:src="shopInfo.storeInfo.coverImg||'https://czg-qr-order.oss-cn-beijing.aliyuncs.com/shopDetails/topBanner.png'"
+				mode="aspectFill">
 			</image>
 			<view class="panelone">
 				{{ shopInfo.storeInfo.shopName }}
@@ -393,6 +395,10 @@
 			this.fixedtrue = true
 		},
 		onShow() {
+			uni.pageScrollTo({
+				scrollTop: 0,
+				duration: 0
+			});
 			console.log(!uni.cache.get('token'))
 			if (!uni.cache.get('token')) {
 				uni.login({
@@ -427,6 +433,9 @@
 			}
 		},
 		methods: {
+			navigateBacknav() {
+				uni.pro.switchTab('index/index')
+			},
 			getQueryString(url, name) { //解码
 				var reg = new RegExp('(^|&|/?)' + name + '=([^&|/?]*)(&|/?|$)', 'i')
 				var r = url.substr(1).match(reg)
@@ -469,26 +478,6 @@
 				}
 
 			},
-
-			/**
-			 * 获取商品数据
-			 */
-			async productqueryProduct() {
-				let res = await this.api.productqueryProduct({
-					"shopId": uni.cache.get('shopUser'),
-					"productGroupId": ''
-				})
-				if (res.code == 0) {
-					this.shopProductList = res.data;
-					if (this.cartLists && this.cartLists.data && this.cartLists.data.length >= 0) {
-						this.setNumber()
-					}
-					setTimeout(() => {
-						this.getElementTop();
-					}, 100);
-				}
-			},
-
 			/**
 			 * 商品数量增加/减少
 			 * @param {Object} item
@@ -832,18 +821,41 @@
 					this.socketTicket.send(data);
 				}
 			},
+			/**
+			 * 获取商品数据
+			 */
+			async productqueryProduct() {
+				let res = await this.api.productqueryProduct({
+					"shopId": uni.cache.get('shopUser'),
+					"productGroupId": ''
+				})
+				if (res.code == 0) {
+					this.shopProductList = res.data;
+					if (this.cartLists && this.cartLists.data && this.cartLists.data.length >= 0) {
+						this.setNumber()
+					}
+					this.scrollTopSize = 0
+					this.scrollHeight = 1000
+					this.topArr = []
+					setTimeout(() => {
+						this.getElementTop();
+					}, 500);
+				}
+			},
 
 			/* 获取元素顶部信息 */
 			getElementTop() {
 				new Promise((resolve, reject) => {
 					let view = uni.createSelectorQuery().selectAll('.main-item');
 					view.boundingClientRect(async data => {
+						console.log(data, 840)
 						resolve(data);
 					}).exec();
 					this.$u.getRect('.scroll-panel').then(res => {
 						this.scrollTopSize = res.top; //元素距离顶部的距离  
 					})
 				}).then((res) => {
+					console.log(res, 111)
 					let topArr = res.map((item) => {
 						return item.top; /* 减去滚动容器距离顶部的距离 加导航栏高度*/
 					});
@@ -876,14 +888,14 @@
 						}
 					}
 					const lastElement = this.topArr[this.topArr.length - 1];
-					const currentElement = this.topArr[this.leftIndex];
+					const currentElement = this.topArr[index];
 					const diff = lastElement - currentElement;
 					console.log(diff)
-					// if (diff > this.scrollHeight) {
-					this.leftIndex = (index < 0 ? 0 : index);
-					// } else {
-					// 	this.leftIndex = this.leftIndex
-					// }
+					if (diff > this.scrollHeight) {
+						this.leftIndex = (index < 0 ? 0 : index);
+					} else {
+						this.leftIndex = this.leftIndex
+					}
 				}
 			},
 			/* 左侧导航点击 */
@@ -892,9 +904,7 @@
 					scrollTop: this.topArr[index] - this.HeighT,
 					duration: 0
 				});
-				setTimeout(() => {
-					this.leftIndex = index
-				}, 500)
+				this.leftIndex = index
 			}
 		}
 	}
@@ -957,6 +967,7 @@
 				font-size: 24rpx;
 				color: #999999;
 				padding: 0 20rpx;
+
 				.paneltheretext {
 					font-family: Source Han Sans CN, Source Han Sans CN;
 					font-weight: 400;
@@ -985,6 +996,7 @@
 			.panelfive {
 				width: 100%;
 				padding: 0 20rpx;
+
 				.panelfive_list {
 					display: flex;
 				}