diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4d1a71d..3eafca3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -266,8 +266,14 @@ jobs:
         run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install kpartx build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabihf libssl-dev lzop qemu-user-static debootstrap
+      - name: Upgrade pip and setuptools
+        run: pip3 install -U pip setuptools
+      - name: Install pyelftools
+        run: pip3 install pyelftools
+      - name: Build Boot4u
+        run: make boot4ubuild
       - name: Configure for U-Boot
-        run: make udefconfig-x1
+        run: make udefconfig-h1
       - name: Build U-Boot
         run: make ubuild
       - name: Configure for Linux
diff --git a/image/build_image.sh b/image/build_image.sh
index 73aaf85..6de8584 100755
--- a/image/build_image.sh
+++ b/image/build_image.sh
@@ -6,6 +6,7 @@ REPO=$(git rev-parse --show-toplevel)
 WORK=${REPO}/image/work
 LINUX=${REPO}/linux-brain
 IMG=${REPO}/image/sd.img
+export CROSS_COMPILE=arm-linux-gnueabi-
 
 mkdir -p ${WORK}
 
diff --git a/image/build_image_x1.sh b/image/build_image_x1.sh
index 8afadb2..2238d73 100755
--- a/image/build_image_x1.sh
+++ b/image/build_image_x1.sh
@@ -5,7 +5,8 @@ JOBS=$(nproc)
 REPO=$(git rev-parse --show-toplevel)
 WORK=${REPO}/image/work
 LINUX=${REPO}/linux-brain
-IMG=${REPO}/image/sd.img
+IMG=${REPO}/image/sd_x1.img
+export CROSS_COMPILE=arm-linux-gnueabihf-
 
 mkdir -p ${WORK}
 
@@ -24,7 +25,7 @@ sfdisk ${IMG} < ${WORK}/part.sfdisk
 
 sudo kpartx -av ${IMG}
 
-LOOPDEV=$(losetup -l | grep sd.img | grep -o 'loop.')
+LOOPDEV=$(losetup -l | grep sd_x1.img | grep -o 'loop.')
 
 sudo mkfs.fat -F32 -v -I /dev/mapper/${LOOPDEV}p1
 sudo mkfs.ext4 /dev/mapper/${LOOPDEV}p2
@@ -38,7 +39,7 @@ sudo cp ${LINUX}/arch/arm/boot/dts/imx7ulp-pwh*.dtb ${WORK}/p1/
 
 sudo cp ${REPO}/u-boot-brain/u-boot.bin ${WORK}/p1/
 
-mkdir -p ${WORK}/p1/App/boot4u
+sudo mkdir -p ${WORK}/p1/App/boot4u
 sudo cp ${REPO}/boot4u/AppMain.bin ${WORK}/p1/App/boot4u/
 sudo touch ${WORK}/p1/App/boot4u/index.din
 
diff --git a/os-brainux/override.sh b/os-brainux/override.sh
index 966e62d..89cd76b 100755
--- a/os-brainux/override.sh
+++ b/os-brainux/override.sh
@@ -15,7 +15,9 @@ install -g root -o root -m 0644 $SRC/etc/X11/Xsession.d/96calibrate $DST/etc/X11
 
 install -g root -o root -m 0644 -D $SRC/etc/xdg/weston/weston.ini $DST/etc/xdg/weston/weston.ini
 
-install -g 1000 -o 1000 -m 0644 -D $SRC/home/user/.xprofile $DST/home/user/.xprofile
-install -g 1000 -o 1000 -m 0644 -D $SRC/home/user/.config/fcitx/profile $DST/home/user/.config/fcitx/profile
-install -g 1000 -o 1000 -m 0644 -D $SRC/home/user/lxterminal/lxterminal.conf $DST/home/user/lxterminal/lxterminal.conf
+install -g 1000 -o 1000 -m 0644 $SRC/home/user/.xprofile $DST/home/user/.xprofile
+sudo -u#1000 -g#1000 mkdir -p $DST/home/user/.config/fcitx
+install -g 1000 -o 1000 -m 0644 $SRC/home/user/.config/fcitx/profile $DST/home/user/.config/fcitx/profile
+sudo -u#1000 -g#1000 mkdir -p $DST/home/user/lxterminal
+install -g 1000 -o 1000 -m 0644 $SRC/home/user/lxterminal/lxterminal.conf $DST/home/user/lxterminal/lxterminal.conf
 install -g root -o root -m 0644 -D $SRC/etc/jwm/system.jwmrc $DST/etc/jwm/system.jwmrc
diff --git a/os-brainux/setup_brainux.sh b/os-brainux/setup_brainux.sh
index 019415b..f55d663 100755
--- a/os-brainux/setup_brainux.sh
+++ b/os-brainux/setup_brainux.sh
@@ -34,7 +34,8 @@ APT::Install-Suggests "0";
 EOF
 
 apt update -y
-apt install -y locales
+DEBIAN_FRONTEND=noninteractive \
+    apt install -y locales
 
 echo "$TIMEZONE" > /etc/timezone && \
     dpkg-reconfigure -f noninteractive tzdata && \
@@ -68,7 +69,8 @@ DEBIAN_FRONTEND=noninteractive \
 systemctl enable fake-hwclock
 
 # Ly
-apt install -y libpam0g-dev libxcb-xkb-dev
+DEBIAN_FRONTEND=noninteractive \
+    apt install -y libpam0g-dev libxcb-xkb-dev
 cd /
 git clone --recurse-submodules https://github.com/nullgemm/ly.git
 cd ly
diff --git a/u-boot-brain b/u-boot-brain
index b70f81f..0449ff1 160000
--- a/u-boot-brain
+++ b/u-boot-brain
@@ -1 +1 @@
-Subproject commit b70f81f47b904dca56677cd6cf0b215d3dcd06ff
+Subproject commit 0449ff1430e6d3eb3d0086aaab1e7a74078f8085