diff --git a/.github/workflows/r1s_lean.yml b/.github/workflows/r1s_lean.yml
index 90705d1d4d..c51888c153 100644
--- a/.github/workflows/r1s_lean.yml
+++ b/.github/workflows/r1s_lean.yml
@@ -31,7 +31,8 @@ jobs:
           sudo apt-get update
           sudo apt-get -y --no-install-recommends install build-essential asciidoc binutils bzip2 gawk gettext git libncurses5-dev libz-dev patch python3 unzip zlib1g-dev lib32gcc1 libc6-dev-i386 subversion flex uglifyjs gcc-multilib g++-multilib p7zip p7zip-full msmtp libssl-dev texinfo libglib2.0-dev xmlto qemu-utils upx libelf-dev autoconf automake libtool autopoint device-tree-compiler
           curl https://raw.githubusercontent.com/friendlyarm/build-env-on-ubuntu-bionic/master/install.sh  | sed '/#/d' | sed 's/\\//g' | sed 's/exit 0//g' | sed 's/sudo apt -y install//g' | sed 's/sudo apt-get -y install//g' | sed 's/:i386//g' | xargs sudo apt-get -y --no-install-recommends install
-          sudo rm -rf /usr/share/dotnet /usr/local/lib/android/sdk
+          docker rmi `docker images -q`
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android/sdk /usr/local/share/boost /opt/ghc
 
       - name: Install Repo
         run: |
@@ -45,7 +46,7 @@ jobs:
           repo init -u https://github.com/friendlyarm/friendlywrt_manifests -b master -m h5.xml --repo-url=https://github.com/friendlyarm/repo --no-clone-bundle --depth=1
           repo sync -c --no-tags --no-clone-bundle -j8
           cd friendlywrt/ && git fetch --unshallow
-          
+
       - name: Mods
         run: |
           cd friendlywrt-h5
@@ -85,7 +86,7 @@ jobs:
           sed -i '/exit/i\find /etc/rc.d/ -name *docker* -delete' package/lean/default-settings/files/zzz-default-settings
           sed -i 's/option fullcone\t1/option fullcone\t0/' package/network/config/firewall/files/firewall.config
           sed -i '/8.8.8.8/d' package/base-files/files/root/setup.sh
-          echo -e '\nDYC Build\n'  >> package/base-files/files/etc/banner
+          echo -e '\nDYC Build\n' >> package/base-files/files/etc/banner
 
       - name: Build FriendlyWrt
         run: |
@@ -158,4 +159,3 @@ jobs:
           asset_path: ./artifact.zip
           asset_name: ${{ steps.assemble_artifact.outputs.release_tag }}-ROM.zip
           asset_content_type: application/zip
-