Request a feature or report a bug? [这是一个需求还是一个缺陷]

One-line summary [问题简述]

Version [产品及版本]

• iClient product (for leaflet,for openlayers,for mapboxgl,classic)[iClient 产品]:
• iClient version [iClient 版本]:
• Browser version [浏览器类型和版本]:
• OS Version [操作系统类型和版本]:

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Actual Behavior [当前现象]

Expected Behavior [期望现象]

Example of reproducing the issue [重现现象的例子]

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What is motivation or use case for changing the behavior? [需求的场景和目的是什么？]