diff --git a/scripts/patches.sh b/scripts/patches.sh
index cebfaca..58fdd40 100644
--- a/scripts/patches.sh
+++ b/scripts/patches.sh
@@ -93,8 +93,17 @@ if [[ $DEVICE == 'r1s' ]]; then
   git show 124116564e8a6081e79cb2e87b0d87b2af99c583 632c4c91e7640a354dc421fa324fd705b734252d 7fb1b00f5f6214bf7a29d3781d260a7e7c8547c9 >> r1s.diff
   cd ~/lede && chmod +x target/linux/sunxi/base-files/etc/board.d/* && git apply ~/immortalwrt/r1s.diff
   merge_package https://github.com/immortalwrt/immortalwrt/branches/openwrt-18.06-k5.4/package/emortal/autocore
-elif [[ $DEVICE == 'r2s' || $DEVICE == 'r2c' || $DEVICE == 'r1p' || $DEVICE == 'r1p-lts' ]]; then
-  sed -i 's/5.15/5.4/g' target/linux/rockchip/Makefile
+fi
+
+if [[ $DEVICE == 'r2s' || $DEVICE == 'r2c' || $DEVICE == 'r1p' || $DEVICE == 'r1p-lts' ]]; then
+  sed -i 's/5.10/5.4/g' target/linux/rockchip/Makefile
+fi
+
+if [[ $DEVICE == 'r4s' || $DEVICE == 'r2s' || $DEVICE == 'r2c' || $DEVICE == 'r1p' || $DEVICE == 'r1p-lts' ]]; then
+  line_number_CONFIG_CRYPTO_LIB_BLAKE2S=$[`grep -n 'CONFIG_CRYPTO_LIB_BLAKE2S' package/kernel/linux/modules/crypto.mk | cut -d: -f 1`+1]
+  sed -i $line_number_CONFIG_CRYPTO_LIB_BLAKE2S' s/HIDDEN:=1/DEPENDS:=@(LINUX_5_4||LINUX_5_10)/' package/kernel/linux/modules/crypto.mk
+  sed -i 's/libblake2s.ko@lt5.9/libblake2s.ko/;s/libblake2s-generic.ko@lt5.9/libblake2s-generic.ko/' package/kernel/linux/modules/crypto.mk
+  echo 'kmod-wireguard' >> `ls staging_dir/target-*/pkginfo/linux.default.install`
 fi
 
 # ...