update sticky-header.uvue 适配 拉齐web与app端差异

pages/component/sticky-header/sticky-header.uvue

@@ -3,7 +3,7 @@
     :refresher-enabled="refresher_enabled_boolean" :refresher-triggered="refresher_triggered_boolean"
     @refresherrefresh="list_view_refresherrefresh">
     <list-item type=1>
-      <swiper indicator-dots="true" circular="true">
+      <swiper indicator-dots="true" circular="true" style="height: 240px;">
         <swiper-item v-for="i in 3" :item-id="i + ''">
           <image src="/static/shuijiao.jpg" style="height: 240px; width: 100%;"></image>
           <text style="position: absolute;">{{i}}</text>