为了能够提供更好的服务支持，计划将对服务器进行升级维护，平台所有系统将于2019年2月21日，21:30 - 22:00进行停服维护，届时将暂停平台网站服务，对此造成的不便，敬请谅解。
In order to provide better service support, it is planned that the server will be upgraded and maintained. All systems of the platform will be suspended at 21:30-22:00 on February 21, 2019. The service of the platform website will be suspended at that time. We apologize for the inconvenience caused by this.