No system account, unable to login?    

The date of the meeting: April 18 to 21, 2019
Meeting location: chengdu in sichuan province
Technical advice:
If you never use meeting academic conference platform management system, please log in the platform system for attendance register before submission, new account to create business platform system, and then use the account and password to log in the system. If you have used meeting general platform system registered account, please use the original account and password login directly, don't repeat registered accounts. In use process have any questions, please consult: