diff --git a/components/ProductWindow.vue b/components/ProductWindow.vue
index 5895cb4..004747d 100644
--- a/components/ProductWindow.vue
+++ b/components/ProductWindow.vue
@@ -1,11 +1,8 @@
 <template>
   <view>
     <view
-      :class="{
-        'on': attr.cartAttr === true,
-        [className]: className
-      }"
-      :style="{paddingBottom: paddingBottom}"
+      :class="[{ on: attr.cartAttr === true }, className]"
+      :style="{ paddingBottom: paddingBottom }"
       class="product-window"
     >
       <view class="textpic acea-row row-between-wrapper">