Wechat and SMS are both in the same background. What's going on here?

Because it should be a mobile phone theme bug.

Find a pinion on the desktop of your mobile phone, which is the setting key. Find the desktop and wallpaper on the main page of this setting, click Enter, find the theme on the desktop and wallpaper page, click Enter, and then you will enter the theme software. Click on mine in the lower right corner, click on the theme, and you will enter the theme stored in your mobile phone. Click to enter a theme, and then click the application below to change the theme or set it as the initial theme, and bring back the icons of WeChat and SMS.