（又）完善Lab3代码

src/views/store/StoreDetail.vue

@@ -76,7 +76,7 @@ function toBackPage() {
         <span class="product-list-title">商品列表</span>
       </div>
       <div class="all-product-main">
-        <productItem class="product-item-list"
+        <ProductItem class="product-item-list"
                      v-for="productVO in productList" :productId="productVO.id"
                      @click="toProductDetailPage(productVO.id)"/>
       </div>