BoostrapDateTimePicker仅显示时间

$(document).ready(function(){
  $("#datetimepicker").datetimepicker({
    pickDate: false,
    minuteStep: 15,
    pickerPosition: 'bottom-right',
    format: 'HH:ii p',
    autoclose: true,
    showMeridian: true,
    startView: 1,
    maxView: 1,
  });
  $(".datetimepicker").find('thead th').remove();
  $(".datetimepicker").find('thead').append($('').text('Pick Time'));
  $('.switch').css('width','190px');
  });