How can Huawei's mobile phone chat background turn black and return to normal?

Huawei mobile phone has introduced dark mode into the system. First of all, it can save electricity and increase battery life. Second, the poor light environment at night can protect your eyesight. It can be turned off in phone settings and screen management. You can also re-select a theme application with a non-black background in the theme mall. The solution is as follows:

Preparation materials: Huawei nova4

1. Find the settings on your phone and click Open.

2. After opening the settings, locate the Accessibility button and click Open.

3. After the new interface appears, find "Accessibility" and click "Open".

4. After the new interface pops up, find the color correction and click Open.

5. Turn off the color correction button in the new interface, so that the background color will return to normal.