no message

pages/activity_list/activity_list.js

@@ -65,6 +65,7 @@ Page({
               pageNum: that.data.pageNum + 1
             });
           }
+          console.log(that.data.repos);
         } else {
           wx.showToast({
             title: res.data.msg,

pages/activity_list/activity_list.wxml

@@ -1,7 +1,7 @@
 <!--pages/activity_list/activity_list.wxml-->
 <view wx:if="{{repos.length > 0}}">
 
-  <view wx:for="{{repos}}" wx:key="activityNo">
+  <view wx:for="{{repos}}" wx:key="groupNo">
 
     <view class="weui-media-box weui-media-box_appmsg" hover-class="weui-cell_active" bindtap="itemClick" data-activityNo="{{item.activityNo}}" data-groupNo="{{item.groupNo}}">