RG406V-V1.26

1. Optimize the system And fix errors 

2. Support RetroArch update to version 1.20.0 (At GameMode, open the toolbar (short press SE) ->Tools ->Reinstall RetroArch and Update RA overlays)

RG406V-V1.26

https://we.tl/t-1OpOsLwr2b

RG406V--V1.24

https://we.tl/t-XrXe93u4py

1.Optimize system;