Input Format: xxxxx/xx ( 5 digit of serial number before "/" , 2 digit of year after "/")
    If the serial number less then 5 digit, system will make up a zero in front of the serial number automatically. Otherwise, just input 2 digit of year. (Example: 2007, input 07)
    Input Example: xxxxx/07 or xxxx/07
    Please input application serial number：