layui弹出层配合使用另一个三级联动的js，结果三级联动失效

layer.open({
type : 1 // Page层类型
,
area : [ '250px', '470px' ],
title : '注册',
shade : 0 // 遮罩透明度
,
anim : 3// 0-6的动画形式，-1不开启
,
shadeClose : true // 点击遮罩关闭
,
content : '<form id="createAform"><div id="createAdiv" style="text-align:center;">'
+ '<input autocomplete="off" class="form-control" name="userName" style="width:180px;margin-top:20px;margin-left:35px" placeholder="请输入用户名"></br>'
+ '<input autocomplete="off" class="form-control" style="width:180px;margin-left:35px" type="password" placeholder="请输入账号"></br>'
+ '<input autocomplete="off" class="form-control" style="width:180px;margin-left:35px" type="password" placeholder="请输入密码"></br>'
+ '<input autocomplete="off" class="form-control" name="password" style="width:180px;margin-left:35px" type="password" placeholder="请确认密码"></br>'
+ '<div id="dist" data-toggle="distpicker">'
+ '<select class="form-control" style="width:180px;margin-left:35px"></select>'
+ '<select class="form-control" style="width:180px;margin-left:35px;margin-top:8px"></select>'
+ '<select class="form-control" style="width:180px;margin-left:35px;margin-top:8px"></select>'
+ '</div>'
+ '<input onclick="create()" style="outline:none;width: 180px;margin-top:7%;border:0px;border-radius:5px;background:rgba(135,206,235,1)" type="button" value="确认">'
+ '</div></form>'
});