ElemeFE / ElemeFE/react-amap

网络较慢时报Cannot read property 'Q' of null,自定义DOM组件不显示

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JavaScript
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Description

我只使用了自定义DOM组件,类似官网(代码如下)
```
render(){
return





A Custom Layer


Current Center Is: {this.state.center}




Another Custom Layer


{alert('You Clicked!')}}>An Ant Design Button



}
```
当网络较慢且第一次加载时,有大概率报`Cannot read property 'Q' of null`,然后地图会继续慢慢加载出来,但是自定义的DOM组件不会跟着出现。
Chrome的network设置成Slow 3G可能会复现,如有翻墙工具,开全局翻墙基本能够复现

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