Failed to execute ‘drawImage‘ on ‘CanvasRenderingContext2D‘: The image argument is a canvas element

Echarts重绘报错，原因在于绘制时，未正确获取到画布的宽高，可在容器内写入行内样式，即可解决

<template>
  <div class="g2-chart-container" style="height: 300px;">
    <div
      v-show="hasData"
      :id="id"
      class="g2-chart"
      style="height: 300px; width: 100%;"
    />
    <div v-show="!hasData" class="noData">
      暂无数据
    </div>
  </div>
</template>