对导航部分进行重新排列，对器件详情业的空状态进行优化

components/main/Nav.vue

@@ -9,6 +9,7 @@
       </nuxt-link>
       <nuxt-link to="/supplier" class="item">
         <span>供应商</span>
+        <img class="new-animate" src="/images/all/banner-cuxiao03.png" alt="">
       </nuxt-link>
       <nuxt-link to="/product/brand/brandList/ABC" class="item">
         <span>品牌中心</span>
@@ -27,7 +28,6 @@
       </nuxt-link>
       <nuxt-link to="/applyPurchase" class="item">
         <span>求购询价</span>
-        <img class="new-animate" src="/images/all/banner-cuxiao03.png" alt="">
       </nuxt-link>
       <nuxt-link to="/news" class="item">
         <span>优软快讯</span>

components/supplier/details.vue

@@ -43,9 +43,9 @@
       </div>
       <div class="detail">
         <div class="info_title">
-          <p>产品参数<span>（仅供参考，以实际产品为准）</span></p> <a v-if="cmpInfo.properties && cmpInfo.properties.length > 6" @click="hasDown = !hasDown">更多 <i class="el-icon-arrow-down" v-if="hasDown"></i> <i v-if="!hasDown" class="el-icon-arrow-up"></i></a>
+          <p>产品参数<span>（仅供参考，以实际产品为准）</span></p> <a v-if="detail.cmpUuId && cmpInfo.properties && cmpInfo.properties.length > 6" @click="hasDown = !hasDown">{{hasDown ? '更多' : '收起'}} <i class="el-icon-arrow-down" v-if="hasDown"></i> <i v-if="!hasDown" class="el-icon-arrow-up"></i></a>
         </div>
-        <div class="empty" v-if="!cmpInfo.properties">
+        <div class="empty" v-if="!detail.cmpUuId || (cmpInfo.properties && cmpInfo.properties.length === 0)">
           <img src="/images/supplier/icon/empty.png">
           <div class="info">
             <p>产品暂无参数</p>