Modify:
1 Settings->Device Preference-->About added "WiFi standard" display to the penultimate item to identify wifi5/wifi6
2 Settings-->Display-->Add the "Status Bar Status" switch to solve the problem that the top status bar will be displayed when the YouTube video is played
3 Change "Root swich" to "Root Switch" in developer mode
4 Settings-->"Flie server" changed to "File server"
5 When you click the select button for local upgrade, if the USB flash drive or SD card is not inserted, it prompts to insert the SD card or USB flash drive: {Change USB flash drive to USB flash drive"}