@@ -1,4 +1,4 @@
-<navigator class="my-card" url="#" wx:for="{{list}}" data-item="{{item}}" bindtap="openFile">
+<navigator class="my-card" url="#" wx:for="{{list}}" data-item="{{item}}" wx:key="item.attachmentid" bindtap="openFile">
<view class="flie-left">
<image class="image" src="{{item.cover}}" />
<view class="details">
