change: 处理mediacard组件控制台代码报错.

components/MediaCard.vue

@@ -17,7 +17,7 @@
         <p class="card-info-point">{{ cardData.description }}</p>
         <ul class="card-info-label">
           <li v-for="(l, index) of cardData.mapLabel" :key="index" @click="emitLabel(l)">{{ l }}</li>
-          <nuxt-link :to="{ name: 'product-code', params: { code: item } }" v-for="item of cardData.sku"
+          <nuxt-link :to="{ name: 'product-code', params: { code: item } }" v-for="(item, key) of cardData.sku" :key="key"
             target="_blank">
             <li :key="item">{{ item }}</li>
           </nuxt-link>