diff --git a/gentoo_portage/make.conf b/gentoo_portage/make.conf
index c7bc6c0..94978ff 100644
--- a/gentoo_portage/make.conf
+++ b/gentoo_portage/make.conf
@@ -29,14 +29,14 @@ EMERGE_DEFAULT_OPTS="--buildpkg --buildpkg-exclude \"virtual/* sys-kernel/*-sour
 ALSA_CARDS="hda-intel"
 GRUB_PLATFORMS="efi-64"
 INPUT_DEVICES="libinput"
-VIDEO_CARDS="amdgpu dummy nouveau radeon radeonsi vesa fbdev nvidia"
+VIDEO_CARDS="amdgpu dummy nouveau radeon radeonsi vesa fbdev"
 
 GENTOO_MIRRORS="
 https://mirrors.ustc.edu.cn/gentoo/
 http://distfiles.gentoo.org/
 https://mirrors.tuna.tsinghua.edu.cn/gentoo/
 "
-MAKEOPTS="-j9 ${MAKEOPTS}"
+MAKEOPTS="-j4 ${MAKEOPTS}"
 
 DESKTOP_USE="X alsa apng dbus fbcon ffmpeg flac fuse gif gtk gtk2 gtk3 http2 icu jack jpeg mp3 mp4 mpeg mtp nvidia ogg opengl pdf png pipewire pulseaudio svg tiff unicode vaapi vdpau webp xinerama xv xvmc"
 #USE="${USE} ${DESKTOP_USE} consolekit cups policykit pulseaudio truetype udev xft xcb xkb -bluetooth -gpm -libva -modemmanager"