easyui动态加载丢失css

  $("#more").on("click", function (event) {          imgnum = imgnum + 1;          var html = '<tr id="tr' + imgnum + '"><td class="text-content" style="border-right:dashed 1px #ddd; height:100px"><img  alt="请选择图片" src=""  id="img' + imgnum + '" style="width:100px;height:70px" /><br /><input type="file" name="file" id="file' + imgnum + '" onchange=\'upload("file' + imgnum + '","img' + imgnum + '","picpath' + imgnum + '")\'/></td>'+'<td class="text-content">图片标题: <input type="text"id="imgname'+imgnum+'" name="imgname'+imgnum+'" value="" class="easyui-textbox theme-textbox-radius" >'                    +'<input id="picpath'+imgnum+'" type="hidden" value=""></td></tr>'          $("#table").append(html);          $.parser.parse();      })；