Details of personalized signature and avatar settings are as follows:

/viewtread.pp？ tid= 128505 16。 page= 1。 from uid = 8 19 16 1 # PID 6 1890 1

As for the forum avatar, you can try to get some slightly larger avatars, which will make it look clearer. It is best to take screenshots with QQ to make them clearer.