@[kingxbz](/user/244059) 因为全局变量递归后会改变的，而你没加else，加上应该可以 by jiangby @ 2020-09-27 12:48:58
@[卖报纸就找我](/user/75982) 哦哦好的，蟹蟹大佬 by king_xbz @ 2020-09-27 14:27:13