排行榜中存放玩家信息和成绩，排行榜对应record文件。如删除该文件，则调用系统后，会初始化排行榜，重新建立该文件，并设置初始的玩家名和游戏记录。-Player list stored information and results, list the corresponding record documents. Such as delete the file, then call the system will initialize the list to re-establish the