问Blueimp文件上传:我的删除链接不起作用

EN

<span class="btn btn-success fileinput-button">
    <span>Select files...</span>
    <input id="fileupload" type="file" name="files[]" multiple>
</span>
<br>
<div id="files" class="files"></div>

$(function () {
    $('#fileupload').fileupload({
        url: 'server/php/',
        dataType: 'json',
        add: function (e, data) {
            data.context = $('<p/>').text('Uploading...').appendTo('#files');
            data.submit();
        },
        done: function (e, data) {
            $.each(data.result.files, function (index, file) {
                $('<p/>').html('<a href="#" class="text-danger delete" data-type="' + file.deleteType + '" data-url="' + file.deleteUrl + '" title="Delete">Delete</a>').appendTo('#files');
            });
        }
    });
});