<picker bindchange="chooseEduction" mode="time" start="{{start}}" end="{{end}}">
<view class="info-item">入学时间
<input type="text" disabled placeholder="请选择" value="{{startYear}}" />
</view>
</picker>
data: {
end: '18:02',
start:'10:00'
},
给一个value试试，<picker bindchange="chooseEduction" mode="time" start="{{start}}" end="{{end}}" value="{{start}}">