meituan APP can't set the screen to be unlocked, but it can set the system to never sleep, so that you can always use meituan and never lock the screen/screen. The detailed steps are as follows:
Demo tools/versions: Huawei P5, HarmonyOS2..
1. Open the phone settings and click Display and Brightness.
2. Enter the display and brightness, and click Sleep.
3. A prompt pops up, and click Never.
With this operation, you can always use Meituan without locking the screen. Try it as soon as you learn ~