树型图表LABEL要如何才能点击echarts tree配置项内容和展示

比如想点击“违约金”这汉字，点不了。

      option = {
    tooltip: {
        trigger: 'item',
        triggerOn: 'mousemove'
    },
    series: [{
        type: 'tree',
        data: [{
            "name": "大堂经理",
            "children": [{
                "name": "张三",
                "children": [{
                    "name": "\u8fdd\u7ea6\u91d1",
                    "value": 93,
                    "label": {
                        "color": "orange"
                    },
                    "itemStyle": {
                        "color": "orange",
                        "borderColor": "orange"
                    }
                }, {
                    "name": "李四",
                    "children": [{
                        "name": "\u5916\u6446\u4f7f\u7528\u8d39",
                        "value": 92,
                        "label": {
                            "color": "red"
                        },
                        "itemStyle": {
                            "color": "red",
                            "borderColor": "red"
                        }
                    }, {
                        "name": "\u7279\u5356\u6536\u5165",
                        "value": 91,
                        "label": {
                            "color": "orange"
                        },
                        "itemStyle": {
                            "color": "orange",
                            "borderColor": "orange"
                        }
                    }],
                    "label": {
                        "color": "green"
                    },
                    "itemStyle": {
                        "color": "green",
                        "borderColor": "green"
                    }
                }, {
                    "name": "\u79df\u91d1\u6536\u5165",
                    "value": 88,
                    "label": {
                        "color": "green"
                    },
                    "itemStyle": {
                        "color": "green",
                        "borderColor": "green"
                    }
                }, {
                    "name": "\u8054\u8425\u6536\u5165",
                    "value": 369,
                    "label": {
                        "color": "red"
                    },
                    "itemStyle": {
                        "color": "red",
                        "borderColor": "red"
                    }
                }]
            }, {
                "name": "李四",
                "children": [{
                    "name": "\u8425\u8fd0\u5176\u4ed6",
                    "value": 108,
                    "label": {
                        "color": "orange"
                    },
                    "itemStyle": {
                        "color": "orange",
                        "borderColor": "orange"
                    }
                }, {
                    "name": "\u5e7f\u544a\u4f4d\u79df\u91d1",
                    "value": 107,
                    "label": {
                        "color": "red"
                    },
                    "itemStyle": {
                        "color": "red",
                        "borderColor": "red"
                    }
                }, {
                    "name": "\u7f5a\u6b3e",
                    "value": 106,
                    "label": {
                        "color": "blue"
                    },
                    "itemStyle": {
                        "color": "blue",
                        "borderColor": "blue"
                    }
                }, {
                    "name": "\u7edf\u4ed3\u6536\u5165",
                    "value": 368,
                    "label": {
                        "color": "blue"
                    },
                    "itemStyle": {
                        "color": "blue",
                        "borderColor": "blue"
                    }
                }]
            }, {
                "name": "王五",
                "children": []
            }]
        }],
        triggerEvent: true,
        top: '1%',
        left: '12%',
        bottom: '1%',
        right: '35%',
        symbolSize: 60, // 圆圈大小
        label: {
            normal: {
                position: 'left',
                verticalAlign: 'middle',
                align: 'right',
                fontSize: 12

            },

        },
        leaves: {
            label: {
                normal: {
                    position: 'right',
                    verticalAlign: 'middle',
                    align: 'left'
                }
            }
        },

        expandAndCollapse: true,
        animationDuration: 550,
        animationDurationUpdate: 750
    }]
}
console.log(myChart)