我的kotlin类为classCenter:Serializable{varactive:Boolean?=nullvaraddress:String?=nullvarisJobAccessGranted:Boolean?=null}这是我获得值(value)的方式//fromjavaclass@OverridepublicvoidonChildChanged(DataSnapshotdataSnapshot,Strings){centerMap.put(dataSnapshot.getKey(),dataSnapshot.getValue(Center.class));}但问题是我得

我的kotlin类为classCenter:Serializable{varactive:Boolean?=nullvaraddress:String?=nullvarisJobAccessGranted:Boolean?=null}这是我获得值(value)的方式//fromjavaclass@OverridepublicvoidonChildChanged(DataSnapshotdataSnapshot,Strings){centerMap.put(dataSnapshot.getKey(),dataSnapshot.getValue(Center.class));}但问题是我得