fix:修复bug

src/pages/home/components/tabbar-home/tabbar-home.vue

@@ -93,7 +93,7 @@ function appMarketActivityList() {
 }
 
 // 滚动信息获取 APP-商家标签分类控制器(用户端首页上面左右滚动的)
-const appMerchantLabelList = ref([])
+const appMerchantLabelList = ref<any>([])
 function getAppMerchantLabelList() {
   appRecipeCategoryListGet({}).then(res => {
     console.log('滚动信息获取 APP-商家标签分类控制器(用户端首页上面左右滚动的)', res)
@@ -167,6 +167,20 @@ function getList(pageNum: number, pageSize: number) {
   })
 }
 
+// 回到顶部
+const showBackToTop = ref(false)
+function scrollToTop() {
+  if (paging.value) {
+    paging.value.scrollToTop()
+  }
+}
+
+// 监听页面滚动
+function onPageScroll(e: any) {
+  // 滚动距离大于60时显示，小于等于60时隐藏
+  showBackToTop.value = e.detail.scrollTop > 120
+}
+
 // 点击头部分类
 const merchantLabelId = ref('')
 function handleItemClick(e) {
@@ -186,7 +200,7 @@ const isShowMerchant = computed(()=> {
   if(!selfPickup.value && !discount.value && !props.scoreRange && !props.price && !currentCategory.value) {
     return true // 没有筛选条件时显示
   } else {
-    return false // 有筛选条件时隐藏
+    return true // 有筛选条件时隐藏
   }
 })
 
@@ -249,7 +263,7 @@ const debouncedEmit = debounce(1300, (isCollected: boolean, id: string, type: Co
       },
     ]"
   >
-      <z-paging @onRefresh="onRefresh" ref="paging" v-model="dataList" :auto="false" @query="queryList" :refresher-enabled="true" :auto-show-back-to-top="false">
+      <z-paging @onRefresh="onRefresh" ref="paging" v-model="dataList" :auto="false" @query="queryList" @scroll="onPageScroll" :refresher-enabled="true" :auto-show-back-to-top="false">
         <template #top>
           <status-bar />
           <view class="flex items-center pt-18rpx px-30rpx pb-20rpx">
@@ -402,6 +416,11 @@ const debouncedEmit = debounce(1300, (isCollected: boolean, id: string, type: Co
       <view class="w-8rpx h-8rpx rounded-50% bg-white mx-8rpx"></view>
       <text>{{ userStore.userCartAllData[0]?.merchantCartVoList?.length || 0 }}</text>
     </view>
+    
+    <!-- 回到顶部按钮 -->
+    <view v-if="showBackToTop" @click="scrollToTop" class="back-to-top-btn">
+      <image src="@img/chef/119.png" class="w-40rpx h-40rpx shrink-0 rotate-180"></image>
+    </view>
   </view>
 </template>
 
@@ -426,4 +445,19 @@ const debouncedEmit = debounce(1300, (isCollected: boolean, id: string, type: Co
   background-size: 100% 100%;
   background-repeat: no-repeat;
 }
+
+.back-to-top-btn {
+  position: fixed;
+  bottom: 148rpx;
+  left: 30rpx;
+  width: 88rpx;
+  height: 88rpx;
+  background-color: #14181B;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.15);
+  z-index: 998;
+}
 </style>