Ztree自动触发第一个节点的点击事件

    $(function () {
        var setting = {
            //check属性放在data属性之后，复选框不起作用
            //check: {
            //    enable: true
            //},
            data: {
                simpleData: {
                    enable: true
                },
            },
            view: {
                showIcon: false

            },
            callback: {
                onClick: roleClick
            }
        };
        //加载所有角色
        $.ajax({
            url: "/Role/GetRole",
            type: "get",
            success: function (data)
            {
                var roletree = $.fn.zTree.init($("#roletree"), setting, data);
                var node = roletree.getNodes()[0];
                roletree.selectNode(node);
                setting.callback.onClick(null, roletree.setting.treeId, node);

            }
        });
    });