新增移动端公告横纵向设置，我的足迹以及秒杀活动展示优化

buyer/src/components/indexDecorate/modelList/Seckill.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="seckill">
+  <div class="seckill" v-if="goodsList.length">
     <div class="aside hover-pointer" @click="goToSeckill">
       <div class="title">{{ actName }}</div>
       <div class="hour">

buyer/src/pages/home/userCenter/MyTracks.vue

@@ -111,8 +111,8 @@ export default {
       this.spinShow = true;
       tracksList(this.params).then((res) => {
         this.spinShow = false;
-        if (res.success && res.result) {
-          this.list = res.result;
+        if (res.success && res.result.records.length) {
+          this.list = res.result.records;
         } else {
           this.list = [];
         }