The circle of friends has a background and a signature. According to the information on the official website of Ruidaxin, after being blocked and deleted by the other party, the software will show a circle of friends, a background, a signature, and a strikethrough and other information. After Ruidaxin is deleted, the message will be sent again. It will be displayed that you are not a friend of the other party. Please add the other party as a friend before you can start the conversation.