配置活动id

pages/play/play.wxml

@@ -10,7 +10,7 @@
         <swiper autoplay circular interval="2000" next-margin="64rpx" bindchange="eventBannerChange">
             <block wx:for="{{banner}}" wx:for-index="index" wx:for-item="item" wx:key="index">
                 <swiper-item>
-                    <image src="{{item.cover}}" class="{{bannerIndex !== index ? 'banner-content': 'banner-content-active'}}" data-item="{{item}}" bindtap="onActivityDetail"/>
+                    <image src="{{item.cover}}" class="{{bannerIndex !== index ? 'banner-content': 'banner-content-active'}}" data-id="{{item.id}}" bindtap="onActivityDetail"/>
                 </swiper-item>
             </block>
         </swiper>