Merge branch 'master' of http://118.190.145.217:3000/xiaojincai/yifengxcx

pages/subject/subject.wxml

@@ -4,7 +4,7 @@
   <view class="count">倒计时 {{time}}</view>
 </view>
 <!-- 判断 -->
-<view class="content" wx:for="{{data.questions}}"  hidden="{{idx != index+1}}">
+<view class="content" wx:for="{{data.questions}}"  hidden="{{idx != index+1}}" wx:key="idx">
     <view class="num">{{index+1}}、{{item.title}}
     <image wx:if="{{item.type == 1}}" src="../../images/danx.svg" mode="widthFix"></image>
     <image wx:if="{{item.type == 2}}" src="../../images/duox.svg" mode="widthFix"></image>