秋云 ucharts echarts 在抖音小程序中报错 context.createRadialGradient is not a function

[TMA] TypeError: at setTimeout callback context.createRadialGradient is not a function
at VM211 u-charts.js:4791
at Array.forEach (<anonymous>)
at drawPieDataPoints (VM211 u-charts.js:4770)
at Object.onProcess (VM211 u-charts.js:6519)
at Animation.step (VM211 u-charts.js:6053)
at VM211 u-charts.js:6027
at VM161 tma-core.js:2
at Et (VM161 tma-core.js:2)
at t (VM161 tma-core.js:2)