In order to improve the stability and security, the Siacoin wallet on YUNBI exchange is under major upgrade and maintenance. The deposit and withdrawal of Siacoin has been suspended, and the creation of new Siacoin address has also been suspended during the maintenance. The maintenance could take as long as 72 hours, the estimated resume time is 12:00, April 11th, 2017 (UTC+8). After the maintenance, the deposits, withdrawals and the creation of new Siacoin address will be resumed.
We apologize for the inconvenience during the maintenance, thanks for your understanding.