请问在使用tree时，怎么取消父级默认点击事件echarts 配置项内容和展示

取消默认点击事件，自定义事件

      option = {
    series: [{
        type: "tree",
        data: [{
            name: "root",
            children: [{
                name: "Child A",
                children: [{
                    name: "Leaf C"
                }, {
                    name: "Leaf D"
                }, {
                    name: "Leaf E"
                }, {
                    name: "Leaf F"
                }]
            }, {
                name: "Child B",
                children: [{
                    name: "Leaf G"
                }, {
                    name: "Leaf H"
                }]
            }, {
                name: "Child D"
            }, {
                name: "Child F",
                children: [{
                    name: "Leaf J"
                }, {
                    name: "Leaf K"
                }]
            }]
        }],
        label: {
            position: "right"
        }
    }]
}