thanks for helping me
I put the patch in /root
Then execute the command :patch -p1 < af426db0e78c3880a6bfe26fa97ae03caccce783.patch
The result
BusyBox v1.30.1 () built-in shell (ash)
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
OpenWrt 19.07.7, r11306-c4a6851c72
-----------------------------------------------------
root@android-c3d25de4cd69a:~# patch -p1 < af426db0e78c3880a6bfe26fa97ae03caccce7
83.patch
-ash: patch: not found
Could you help the instructions on the next page
https://oldwiki.archive.openwrt.org/doc/devel/patches