modify: 优惠券上拉下一页

src/pages/coupons/coupons.wxml

 <!--pages/userCenter.wxml-->
 <view class='page-coupons'>
-	<!--<view class='tabs-wrap'>
-     <view wx:for='{{nav}}' wx:key='{{index}}' class="tab-nav fs-25 {{navIndex == item.type ? 'nav-active' : ''}}" data-index='{{item.type}}' bindtap='switchTab'>{{item.name}}({{item.type ? totalElements:invalidTotalElements }})</view>
-   </view>-->
-
 	<view class="swiper-tab">
 		<view class="swiper-tab-item {{currentTab==0?'active':''}}" data-current="0" bindtap="clickTab">可使用 ({{totalElements}})</view>
 		<view class="swiper-tab-item {{currentTab==1?'active':''}}" data-current="1" bindtap="clickTab">已失效 ({{invalidTotalElements}})</view>

src/pages/coupons/coupons.wxss

@@ -130,5 +130,6 @@ swiper {
   height:100vh;
   padding-bottom:20rpx;
   position: absolute;
+  overflow: scroll;
   top: 100rpx;
 }