liunuxuan opened a new issue #14107:
URL: https://github.com/apache/echarts/issues/14107


   let option = {
           color: this.getColors(),
           series: [
             {
               radius: ["65%", "88%"],
               type: "sunburst",
               sort: null,
               // highlightPolicy: "ancestor",
               // minAngle: 30, //最小角度
               startAngle: 160, //起始角度
               avoidLabelOverlap: false,
               itemStyle: {
                 emphasis: {
                   // 普通图表的高亮颜色
                   color: new echarts.graphic.LinearGradient(1, 1, 0, 0, [
                     {
                       offset: 0,
                       color: "#0F5AD1",
                     },
                     {
                       offset: 0.5,
                       color: "#01C2FE",
                     },
                     {
                       offset: 1,
                       color: "#0F5AD1",
                     },
                   ]),
                 },
   
                 normal: {
                   borderWidth: 0,
                   shadowColor: "#016bbc",
                   shadowBlur: 1,
                 },
                 borderWidth: 1,
               },
               label: {
                 normal: {
                   show: true,
                   position: "inside",
                 },
                 rotate: 'tangential',
               },
               emphasis: {
                 label: {
                   show: true,
                   fontSize: "18",
                   fontWeight: "600",
                   color: "#fefb01",
                 },
               },
               data: data,
             },
           ],
         };
   
   我使用的echarts版本:  "echarts": "^4.9.0",
   
   
   展示效果如下:
   文字旋转效果无效;
   
   
![image](https://user-images.githubusercontent.com/32322814/105672683-cc3b5f00-5f1f-11eb-84f7-eed701b9ab9a.png)
   
   
   


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