区域滚动不了

html+='<div class="mui-content-padded"><p class="item">'+data[i].window_title+'</p><div><ul class="mui-table-view">'+html2+'</ul></div><a href="#topPopover'+data[i].window_id+'" class="mui-btn mui-btn-primary mui-btn-block">选择菜品</a></div><div id="topPopover'+data[i].window_id+'" class="mui-popover "><div class="mui-popover-arrow"></div><div class="mui-scroll-wrapper"><div class="mui-scroll"><ul class="mui-table-view"><p class="item">'+data[i].window_title+'</p>'+html3+'</ul><button onclick="topbtn('+data[i].window_id+')" type="button" class="mui-btn mui-btn-success " style="padding:5px 25px;margin:0 0 20px 100px">确定</button></div></div></div>';