src/components/qiun-data-charts/components/qiun-data-charts/qiun-data-charts.vue
@@ -869,9 +869,12 @@ const ctx = cfu.option[cid].context; if(typeof ctx === "object" && !!!cfu.option[cid].update){ ctx.clearRect(0, 0, this.cWidth*this.pixel, this.cHeight*this.pixel); // 旧版 canvas 需 draw() 上屏;canvas2d 的 CanvasRenderingContext2D 无 draw 方法 if (typeof ctx.draw === 'function') { ctx.draw(); } } } }, init() { let cid = this.cid