diff --git a/.github/workflows/lo-test.yml b/.github/workflows/lo-test.yml
index 9314bb1..73af28e 100644
--- a/.github/workflows/lo-test.yml
+++ b/.github/workflows/lo-test.yml
@@ -91,27 +91,7 @@ jobs:
       - name: Build and deploy packages
         run: |
           cd ~/lede
-
-          if [ ! -d build_dir ]; then
-          if [[ $DEVICE =~ ('r2s'|'r4s') ]]; then
-            sdk_src='https://downloads.openwrt.org/snapshots/targets/rockchip/armv8/openwrt-sdk-rockchip-armv8_gcc-8.4.0_musl.Linux-x86_64.tar.xz'
-          elif [[ $DEVICE == 'r1s' ]]; then
-            sdk_src='https://downloads.openwrt.org/snapshots/targets/sunxi/cortexa53/openwrt-sdk-sunxi-cortexa53_gcc-8.4.0_musl.Linux-x86_64.tar.xz'
-          elif [ $DEVICE == 'r1s-h3' ]; then
-            sdk_src='https://downloads.openwrt.org/snapshots/targets/sunxi/cortexa7/openwrt-sdk-sunxi-cortexa7_gcc-8.4.0_musl_eabi.Linux-x86_64.tar.xz'
-          fi
-          mkdir sdk && wget -qO- $sdk_src | tar -xJf - -C sdk
-          rm -rf build_dir staging_dir; mv sdk/*/build_dir ./ && rsync -a --ignore-existing sdk/*/staging_dir/ ./staging_dir/
-          rm -rf sdk
-          fi
-          sed -i '/182.140.223.146/d' scripts/download.pl
-          sed -i '/\.cn\//d' scripts/download.pl
-          sed -i '/tencent/d' scripts/download.pl
-          make defconfig && make tools/upx/compile -j$(($(nproc) + 1))
-          sed -i '/\(tools\|toolchain\)\/Makefile/d' Makefile
-
           cat $GITHUB_WORKSPACE/extra_packages.seed >> .config
-          echo -e '# CONFIG_SIGNED_PACKAGES is not set\n' >> .config
           find package/ -type d -name luci-app-* | rev | cut -d'/' -f1 | rev | xargs -n1 -i echo CONFIG_PACKAGE_{}=y >> .config
           make defconfig && cat .config
           while true; do make download -j && break || true; done
@@ -122,7 +102,6 @@ jobs:
           gzip -f bin/targets/*/*/packages/Packages
 
           cat $GITHUB_WORKSPACE/$DEVICE.config.seed | sed '/CONFIG_PACKAGE_luci-app-/d' > .config
-          echo -e '# CONFIG_SIGNED_PACKAGES is not set\n' >> .config
           find package/ -type d -name luci-app-* | rev | cut -d'/' -f1 | rev | xargs -n1 -i echo "# CONFIG_PACKAGE_{} is not set" >> .config
           make defconfig
           mkdir -p files/local_feed/core files/local_feed/base
@@ -242,7 +221,6 @@ jobs:
           mkdir lede && sudo mount -o nossd,compress=zstd $LOOP_DEVICE lede
           cd lede
           cat $GITHUB_WORKSPACE/$DEVICE.config.seed > .config
-          echo -e '# CONFIG_SIGNED_PACKAGES is not set\n' >> .config
           make defconfig && make -j$(($(nproc) + 1))
           mkdir -p $GITHUB_WORKSPACE/release
           mv $(ls -1 ./bin/targets/*/*/*img.gz) $GITHUB_WORKSPACE/release/$DEVICE.img.gz
diff --git a/patches.sh b/patches.sh
index 872b80a..0dea10f 100644
--- a/patches.sh
+++ b/patches.sh
@@ -31,3 +31,7 @@ if [[ $DEVICE =~ ('r2s'|'r4s') ]]; then
     git apply f341ef96fe4b509a728ba1281281da96bac23673.patch
     rm f341ef96fe4b509a728ba1281281da96bac23673.patch
 fi
+
+sed -i '/182.140.223.146/d' scripts/download.pl
+sed -i '/\.cn\//d' scripts/download.pl
+sed -i '/tencent/d' scripts/download.pl
diff --git a/r1s-h3.config.seed b/r1s-h3.config.seed
index 8e89e7b..bf099f4 100644
--- a/r1s-h3.config.seed
+++ b/r1s-h3.config.seed
@@ -8,6 +8,9 @@ CONFIG_TARGET_OPTIMIZATION="-O3 -pipe -mtune=cortex-a7"
 CONFIG_TARGET_ROOTFS_PARTSIZE=400
 CONFIG_TARGET_ROOTFS_EXT4FS=y
 # CONFIG_TARGET_ROOTFS_SQUASHFS is not set
+# CONFIG_SIGNED_PACKAGES is not set
+CONFIG_IB=y
+CONFIG_IB_STANDALONE=y
 
 CONFIG_PACKAGE_dnsmasq_full_dhcpv6=y
 CONFIG_PACKAGE_ipv6helper=y
diff --git a/r1s.config.seed b/r1s.config.seed
index 5f2fda2..e2b257d 100644
--- a/r1s.config.seed
+++ b/r1s.config.seed
@@ -8,6 +8,9 @@ CONFIG_TARGET_OPTIMIZATION="-O3 -pipe -march=armv8-a+crypto+crc -mcpu=cortex-a53
 CONFIG_TARGET_ROOTFS_PARTSIZE=400
 CONFIG_TARGET_ROOTFS_EXT4FS=y
 # CONFIG_TARGET_ROOTFS_SQUASHFS is not set
+# CONFIG_SIGNED_PACKAGES is not set
+CONFIG_IB=y
+CONFIG_IB_STANDALONE=y
 
 CONFIG_PACKAGE_dnsmasq_full_dhcpv6=y
 CONFIG_PACKAGE_ipv6helper=y
diff --git a/r2s.config.seed b/r2s.config.seed
index b7be2f2..588a4d0 100644
--- a/r2s.config.seed
+++ b/r2s.config.seed
@@ -8,6 +8,9 @@ CONFIG_TARGET_OPTIMIZATION="-O3 -pipe -march=armv8-a+crypto+crc -mcpu=cortex-a53
 CONFIG_TARGET_ROOTFS_PARTSIZE=400
 CONFIG_TARGET_ROOTFS_EXT4FS=y
 # CONFIG_TARGET_ROOTFS_SQUASHFS is not set
+# CONFIG_SIGNED_PACKAGES is not set
+CONFIG_IB=y
+CONFIG_IB_STANDALONE=y
 
 CONFIG_PACKAGE_dnsmasq_full_dhcpv6=y
 CONFIG_PACKAGE_ipv6helper=y
diff --git a/r4s.config.seed b/r4s.config.seed
index 90951aa..2402fa5 100644
--- a/r4s.config.seed
+++ b/r4s.config.seed
@@ -8,6 +8,9 @@ CONFIG_TARGET_OPTIMIZATION="-O3 -pipe -march=armv8-a+crypto+crc -mcpu=cortex-a72
 CONFIG_TARGET_ROOTFS_PARTSIZE=400
 CONFIG_TARGET_ROOTFS_EXT4FS=y
 # CONFIG_TARGET_ROOTFS_SQUASHFS is not set
+# CONFIG_SIGNED_PACKAGES is not set
+CONFIG_IB=y
+CONFIG_IB_STANDALONE=y
 
 CONFIG_PACKAGE_dnsmasq_full_dhcpv6=y
 CONFIG_PACKAGE_ipv6helper=y