[LayaAir3]unity导出插件，报错

ArgumentNullException: Value cannot be null.
Parameter name: key
System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) (at <b5ac4fa8faf34bc9be9b9c54f8ce8a43>:0)
System.Collections.Generic.Dictionary`2[TKey,TValue].ContainsKey (TKey key) (at <b5ac4fa8faf34bc9be9b9c54f8ce8a43>:0)
NodeMap.getRefectIndex (UnityEngine.GameObject gameObject, System.Boolean contentRoot) (at ./Library/PackageCache/com.layaair.export-tool@bca6fc3236/Editor/Export/resoure/NodeMap.cs:148)