这是数据库billing表那几个项的内容：
server_info
num ip maxcon name
1000 0 0 client
2001 192.168.1.8 500 login
3001 192.168.1.8 500 game
server_conx
num port server_num u_num
3001 4012 2001 47
2001 4013 3001 6
1000 3010 3001 11
server_acceptx
num port server_num u_num
3001 4013 2001 1
3001 3010 1000 2
2001 4012 3000 13
2001 3153 1000 14