text: document.querySelector('.note').addEventListener('click',function(){
  	if (document.getElementById('searchNoteInput')) return;
  	$(".readerNotePanel").prepend(`<div id='noteTools' style="display: flex;flex-direction: column;align-items: stretch;"><input type="text" id="searchNoteInput" style="background:transparent; font-size: 16px;padding: 12px 20px 12px 40px;border:1px groove; flex-grow: 1;" placeholder="搜索..."></div>`);
  	$('#searchNoteInput').keyup(function (e) {
  		let input = $(this);
  		let filter = input.val().toUpperCase();
  		$(".sectionListItem").each((index, el)=>{
  			let div = $(el);
  			let text = div.find("div.text").text().toUpperCase();
  			let abstract = div.find("div.abstract").text().toUpperCase();
  			let title = div.find('div.sectionListItem_title').text();
  			if (text.indexOf(filter) > -1 || abstract.indexOf(filter) > -1 || title.indexOf(filter) > -1) {
  				div.css('display', 'block');
  			} else {
  				div.css('display', 'none');
  			}
  		})
  	});
  });