2~6个汉字内

bunengskdlskfl

4-12个字符(只能含字母,数字或汉字,
其中一个汉字占两个字符)

bunengskdlskfl

bunengskdlskfl

获取验证码

bunengskdlskfl

8~16个字符(只能含字母、数字或下划线)

bunengskdlskfl

bunengskdlskfl

bunengskdlskfl