【缺陷修复】s-layout bgStyle 样式对齐

pages/index/cart.vue

@@ -1,5 +1,5 @@
 <template>
-  <s-layout :bgStyle="{ color: '#fff' }" tabbar="/pages/index/cart" title="购物车">
+  <s-layout :bgStyle="{ backgroundColor: '#fff' }" tabbar="/pages/index/cart" title="购物车">
     <s-empty v-if="state.list.length === 0" icon="/static/cart-empty.png" text="购物车空空如也,快去逛逛吧~" />
 
     <!-- 头部 -->

pages/index/category.vue

@@ -1,6 +1,6 @@
 <!-- 商品分类列表 -->
 <template>
-  <s-layout title="分类" tabbar="/pages/index/category" :bgStyle="{ color: '#fff' }">
+  <s-layout :bgStyle="{ backgroundColor: '#fff' }" tabbar="/pages/index/category" title="分类">
     <view class="s-category">
       <view class="three-level-wrap ss-flex ss-col-top" :style="[{ height: pageHeight + 'px' }]">
         <!-- 商品分类（左） -->

pages/index/search.vue

@@ -1,6 +1,6 @@
 <!-- 搜索界面 -->
 <template>
-  <s-layout class="set-wrap" title="搜索" :bgStyle="{ color: '#FFF' }">
+  <s-layout :bgStyle="{ backgroundColor: '#FFF' }" class="set-wrap" title="搜索">
     <view class="ss-p-x-24">
       <view class="ss-flex ss-col-center">
         <uni-search-bar