https://lamirs.vercel.app/wsl-ubuntu-%E9%85%8D%E7%BD%AE%E4%B8%BB%E9%A2%98-%E9%85%8D%E7%BD%AEqt5%E5%92%8Cgtk
export QT_QPA_PLATFORMTHEME=qt5ct运行 qt5ct 以设置图标主题,更改 QT 的默认主题
export QT_QPA_PLATFORMTHEME=qt5ct
qt5ct
sudo apt install qt5-style-plugins
export QT_QPA_PLATFORMTHEME=gtk3