In general, Weibo, who reported the crime at the crack station or Dafen, will tell you the options to choose when reporting, and some fans will directly jump to the link of the report page, so we can see some report contents by clicking in, such as false information and personal attacks. The letter combination sent in your title is the content of these reports. If you don't know what it means, just use the initials of each option on the report page. Then hacking the homepage generally means that you can directly hack the homepage of the reported person (usually a sunspot) or some will directly let you report that account. The operation steps of the mobile phone client are to enter the homepage of the account that needs to be hacked (or reported), click "…" in the upper right corner, and select hacked (or reported) in the following menu.