Echarts4.0 在IE浏览器中用SVG模式渲染图表legend无法点击

[petezhang]

One-line summary [问题简述]

Echarts4.0 SVG模式渲染图表交互事件不响应，如legend无法点击，图表节点无法点击

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:4.0.4
• Browser version [浏览器类型和版本]:IE11.371.16299.0
• OS Version [操作系统类型和版本]:win10 16299.371

Expected behaviour [期望结果]

交互操作正常

ECharts option [ECharts配置项]

option = {

}

Other comments [其他信息]

[stale]

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