fix:修复【C端】商品列表，搜索框没有展示返回按钮且没有居中。

coupon/couponCollection.html

@@ -43,7 +43,7 @@
                     background:(viewConfig.search.iswitch==='1'?(viewConfig.search.bgColor):'none'),
                     position:'fixed'
                 }">
-                    <img class="backpresty" @click="backHandler" v-if="goodsShow&&!isKey"
+                    <img class="backpresty" @click="backHandler"
                         src="https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/img/backprepageBtn.png"
                         alt="">
                     <div class="search-box" v-if="viewConfig.search.iswitch==='1'" @click="searchFn">
@@ -332,10 +332,7 @@
             },
 
             backHandler () {
-                let backUrl = window.history.length;
-                if (window.history.length) {
-                    history.go(-backUrl + 1);
-                }
+                window.location.replace(localStorage.getItem('entryLink'))
             },
 
             // 单条弹框