Do you need to light up the icon of the QQ chat interface or the icon of the QQ game lobby? If it is an icon on the QQ chat interface, you can try the following methods: 1. Click the "Settings" icon in the upper right corner of the QQ chat interface, and then select the "Appearance" option. 2. In the appearance settings interface, you can see icons such as the QQ logo and chat bubbles. 3. Click on the icon you want to light up and select the style you like. If it is the icon of QQ Game Hall, you can refer to the following steps: 1. Enter the main interface of QQ Game Hall and find the "Game Settings" button. 2. In the game settings, you can find the "Game Icon Settings" option. 3. Select the game icons you want to light up and set them to "Show" status.