1. Adjust game settings: In the game settings of Peace Elite, find the options of "screen settings" or "display settings", and then adjust the resolution and screen ratio. Generally, adjusting the resolution to a lower level (such as 720P) will make the screen look smaller.

2. Adjust the screen size: You can try to adjust the screen size. In the game, find the settings or options menu, and then find the screen size or similar options. By adjusting the screen size, you can change the display ratio and screen size of the game.