picker日期控件平年和闰年二月最后一天反了 picker mode=data

<picker bindchange="bindAge" mode="date" start="1978-01-01" end="2000-12-31" class='basic-item clearfix' value="{{ageData}}">

<view class="picker">

生日

<view class='fr picker-info'>

{{ageData}}

<image src='../../assets/icon_profile_arrows_normal.png' class='jt-right fr'></image>

</view>

</view>

</picker>