Joke Collection Website - Mood Talk - Excuse me, if the signature of QQ WeChat refers to someone who quotes others' words, is this an infringement? Do you know that?/You know what?

Excuse me, if the signature of QQ WeChat refers to someone who quotes others' words, is this an infringement? Do you know that?/You know what?

Excuse me, if the signatures of qq and WeChat say what others have said, do you know if this is infringement? In general, because he didn't specify what others used, it should be said that it was not infringement, because he didn't specify what others used, it was his personal train.