参与投票（一个 ip地址在一定时间里只能投票一次，使投票结果更加真实）、查看投票结果、自己设定调查项目、可放在服务器上让其他人来申请、可自己设定每个被调查项目问题的背景色-Vote (ip address in a certain time can only vote once, so that the voting results more realistic) view the poll results, set their own research projects, may be pla