邮箱不能为空
密码不能为空
电子邮件格式错误
电子邮件已经存在
6-20 个字符（仅限字母加数字）
密码不一致
电子邮件不存在
Name can't be empty
Email can't be empty
Phone can't be empty
Positions required can't be empty
Message can't be empty
Company can't be empty
