src/lay/modules/flow.js
function(){
      lock = true;
      more.find('a').html(ELEM_LOAD);
      typeof options.done === 'function' && options.done(++page, next);
    }
function(){
      lock = true;
      more.find('a').html(ELEM_LOAD);
      typeof options.done === 'function' && options.done(++page, next);
    }
触发请求