diff --git a/gentoo_portage/package.license b/gentoo_portage/package.license
index 4a552e6..60d5580 100644
--- a/gentoo_portage/package.license
+++ b/gentoo_portage/package.license
@@ -6,8 +6,8 @@ app-office/wps-office WPS-EULA
 dev-embedded/sdcc MicroChip-SDCC
 dev-db/mongodb SSPL-1
 dev-libs/cudnn NVIDIA-cuDNN
-dev-util/nvidia-cuda-toolkit NVIDIA-CUDA
 dev-util/android-studio android
+dev-util/nvidia-cuda-toolkit NVIDIA-CUDA
 dev-util/pycharm-community JetBrains-business JSON
 dev-util/pycharm-professional JetBrains-business JSON
 media-fonts/font-bh-ttf bh-luxi
diff --git a/gentoo_portage/package.mask b/gentoo_portage/package.mask
index c1d6f4b..7a4c217 100644
--- a/gentoo_portage/package.mask
+++ b/gentoo_portage/package.mask
@@ -1,3 +1,3 @@
 dev-lang/rust
 net-proxy/shadowsocks-rust::gentoo-zh
->=x11-drivers/nvidia-drivers-581
\ No newline at end of file
+>=x11-drivers/nvidia-drivers-581