按照官方教程 https://docs.unrealengine.com/latest/CHN/Engine/OpenWorldTools/ProceduralFoliage/QuickStart/1/index.html 导入开放世界工具包之后，创建了地形。但是在Add New里怎么也找不到Procedural Foliage Spawner
解决方案：
https://answers.unrealengine.com/questions/263662/cannot-find-the-procedural-foliage-spawnernode.html
Dude, go to "Edit" -> "Editor Preferences" -> "Experimental" -> "Foliage" -> Enable "Procedural Foliage" and then check again. Its a Feature that they've quickly developed for a specific Task (Open World Foliage Generaion) and is not really integrated by standard, so you have to enable it first.
