Ovilia edited a comment on issue #9305: Uncaught DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or height of 0. URL: https://github.com/apache/incubator-echarts/issues/9305#issuecomment-471398658 这个问题的本质原因是点击「加载地图」后没有销毁 resize 事件。 ```js $(window).resize(function() { setTimeout(function (){mapCharts.resize(); }, 500); }); ``` 调用到 `mapCharts.resize` 时，这个对象还是存在的，但是对应的 DOM 节点已经不存在了，所以宽高是 0。
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