springboot gradle用easyui布局后左侧引入菜单树href怎么生效？

Question

<script type="text/javascript">
        $(function(){
            $('#layout').layout({fit:true})
            $('#layout').layout('add',{
                region:'north',
                height:'20px',
                title:'Welcom'
            })
            $('#layout').layout('add',{
                region:'west',
                width:'220px',
                href:'th:href="@{west.html}"',
                collapsible:true,
                split:false,
                border:false,
                expandMode:null
            })
            $('#layout').layout('add',{
                region:'center',
                content:'<iframe id="iframe" src=""></iframe>'
            })
    })