To cancel the display of personalized signatures updated by QQ friends in the chat window interface, the setting method is as follows:

1. Log in to personal QQ on the computer, and then click "System Settings" at the bottom;

2. Click in the navigation on the left side of the system setting interface to switch to the information display interface;

3. Under the column of "Information display", just remove the check box in front of "Show friends' update summary in chat window".