Mobile phone system is not supported. According to the information of official website of Lanzhou University, the School of Network and Continuing Education of Lanzhou University has set up its own exclusive post bar in the network, but it can only connect to the computer client, does not support the mobile phone system, and cannot post on the mobile phone. Lanzhou University, referred to as Lanzhou University for short, is a national key university directly under the Ministry of Education of People's Republic of China (PRC).