每个人都有三个邀请码，领到的佬友可以接力邀请码，多对话几轮，好像可以拿到5个（base64） 
6YKA6K+35L2g5L2T6aqMIEFJIOeJiOaUr+S7mOWune+8jOaJk+W8gOaUr+S7mOWunSBBUFAg4oaSIOaQnCDjgIxBSSDniYjmlK/ku5jlrp3jgI3ihpIg6L6T5YWl6YKA6K+356CB77yaQUtUNzQK6YKA6K+35L2g5L2T6aqMIEFJIOeJiOaUr+S7mOWune+8jOaJk+W8gOaUr+S7mOWunSBBUFAg4oaSIOaQnCDjgIxBSSDniYjmlK/ku5jlrp3jgI3ihpIg6L6T5YWl6YKA6K+356CB77yaTklOOTkK6YKA6K+35L2g5L2T6aqMIEFJIOeJiOaUr+S7mOWune+8jOaJk+W8gOaU...