驱动地址

https://www.lulian/video/943.html

https://www.lulian/search/index.php?lang=cn&stype=0&searchword=cm448

打开  /driver/rtl8821CU_rtl8731AU_WiFi_linux_v5.8.1.5_36625.20200416_COEX20200321-4141

sudo make

sudo make install