My97datepicker设置后一个日期大于前一个日期

<@e.text label="开始时间" name="mtpiStratTime" required="true" class="dfinput validate[required]" id="mtpiStratTime" onfocus="WdatePicker({maxDate:'#F{$dp.$D(\\'mtpiStratTime\\')}',startDate:'%y-%M-%d 00:00:00', dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>
<@e.text label="结束时间" name="mtpiEndTime" required="true" class="dfinput validate[required]" id="mtpiEndTime" onfocus="WdatePicker({minDate:'#F{$dp.$D(\\'mtpiStratTime\\')}',startDate:'%y-%M-%d 00:00:00', dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>