问数据表中有图标的数据表中没有基于其他列的排序列

EN

var displayinfo = [];
displayinfo.push({
                Vehicle: "05", Serial: "925", Power:"30V", 
                Lock: 1
            });
displayinfo.push({
                Vehicle: "06", Serial: "937", Power:"60V", 
                Lock: 0
            });
displayinfo.push({
                Vehicle: "07", Serial: "835", Power:"50V", 
                Lock: 1
            });
TableC = $("#TableC").DataTable({
    data: displayInfo,
    ordering: true,
    paging: false,
    //"searching": false,
    "info": false,
    "searching": false,
    columns: [ 
      { data: "Vehicle", title: "Vehicle" },
      { data: "Serial", title: "Serial" },
      { data: "Power", title: "Power" },
      { data: "Lock", title: "Lock" },
      { data: "Lock", title: "Lock2" }
    ],
    "columnDefs": [ {
       "targets": 3,
       "render": function ( data, type, full, meta ) {
          // If it is rendering the cell contents
          if(type === 'display') {
             switch(data) {
                case 0:
                  return '<span style="font-size:75%" class="fa-stack fa-lg"><i class="fa fa-unlock fa-stack-2x" style="color:#71BF3D"></i></span>';
                case 1:
                  return '<span style="font-size:75%" class="fa-stack fa-lg"><i class="fa fa-lock fa-stack-2x" style="color:#E74C3C"></i></span>';
                default:
                  return '<span>-</span>';
               }
             }

             // Your code implies that lock could be a number or a string ('-')
             // So checking it first to see if we can convert it.  If not then
             // assign -1 as our numeric value.  If we can convert it to a
             // numeric value for sorting and filtering.
             return (isNaN(data)) ? -1 : +data;
          }
      }, 
{
       "targets": 4,
       "render": function ( data, type, full, meta ) {
          // If it is rendering the cell contents
          if(type === 'display') {
              return data;
          }

          // Your code implies that lock could be a number or a string ('-')
          // So checking it first to see if we can convert it.  If not then
          // assign -1 as our numeric value.  If we can convert it to a
          // numeric value for sorting and filtering.
          return (isNaN(data)) ? -1 : +data;
        }
      }]
});