图片自适应

pages/welfareMall/writeOff/writeOff.wxml

@@ -31,7 +31,7 @@
     <view class="content-line line-top"></view>
     <view class="content-middle flex-row">
       <view class="middle-it flex-row">
-        <image class="middle-img" src="{{item.fullCoverImage}}" />
+        <image class="middle-img" src="{{item.fullCoverImage}}" mode="aspectFit" />
         <view class="middle-text over-ellipsis">{{item.couponTitle}}</view>
       </view>
       <!-- <view class="middle-num flex-column">