The font of the information notification barrage of Xiaomi 8 mobile phone has become smaller. How to increase?

System Settings-Display-Font Size and set it.

Click Show MIUI to set a large font. The method and steps are as follows: 1. Locate the settings on the home screen, and then click Enter Settings. 2. Find the display option in the settings, and then move the slider to adjust the font size. You can see that there is an option to adjust the font size of the system. 3. Click on the font