echarts饼图自定义颜色

series : [
     {
        name: '收入(单位：万元)',
        type: 'pie',
        radius : '55%',
        center: ['50%', '60%'],
        data:[
           {value:335, name:'1月'},
           {value:310, name:'2月'},
           {value:234, name:'3月'},
           {value:135, name:'4月'},
           {value:1548, name:'5月'},
           {value:335, name:'6月'},
           {value:310, name:'7月'},
           {value:234, name:'8月'},
           {value:135, name:'9月'},
           {value:1548, name:'10月'},
           {value:135, name:'11月'},
           {value:1548, name:'12月'}
         ],
                           
         itemStyle: {
                 emphasis: {
                     shadowBlur: 10,
                     shadowOffsetX: 0,
                     shadowColor: 'rgba(0, 0, 0, 0.5)'
                  },
                 normal:{
                     color:function(params) {
                     //自定义颜色
                     var colorList = [           
                             '#C1232B','#B5C334','#FCCE10','#E87C25','#27727B',                                    
                             '#FE8463','#9BCA63','#FAD860','#F3A43B','#60C0DD',                                            
                             '#D7504B','#C6E579','#F4E001','#F0805A','#26C0C0'
                         ];
                         return colorList[params.dataIndex]
                      }
                 }
           }
       }
]