This question might require further investigation to get a definite answer. However, under normal circumstances, there might be several possible reasons for the failure of setting a name on Weibo: 1 Internet connection problem: If the network connection is unstable, it may cause Weibo to be unable to respond to the operation. He could try reconnecting to the network or changing the device to solve the problem. 2. System Busy: If the system of Weibo is busy, the response may be delayed. He could try to wait for a while or try again. 3. Operation error: Sometimes, the wrong operation information may cause the operation to fail. You can try to check the input information required for the operation to ensure that the input is correct. 4. Abnormal account: If the account has been blocked or logged out, the operation may fail. You can try to register a new account or contact the customer service on Weibo to solve this problem. If the problem still exists, it is recommended to contact the customer service of Weibo or the network operator to solve the problem.