修改发票管理页面排版

pages/mobile/center/user/invoice/waitinvoice.vue

@@ -17,7 +17,7 @@
     </div>
     <div class="invoice-wrapper-el" id="invoicewrapperel">
       <div class="search-content mi-search-content">
-        <input type="text" placeholder="商家名称/订单号" v-model="keyword">
+        <input type="text" placeholder="卖家/订单号/收票人/联系电话" v-model="keyword">
         <span @click="searchMore()"><i class="iconfont icon-sousuo"></i></span>
       </div>
       <div class="mobile-invoice" >