diff --git a/INSTALL/all_in_one.sh b/INSTALL/all_in_one.sh
index d87f713c..a01eefdd 100644
--- a/INSTALL/all_in_one.sh
+++ b/INSTALL/all_in_one.sh
@@ -1,32 +1,28 @@
 #!/bin/sh
 
 VTOY_PATH=$PWD/..
-LOGCON=$2
 
-logci() {
-    if [ -n "$LOGCON" ]; then
-        echo $* > $LOGCON
-    fi
-}
+LOG=$VTOY_PATH/DOC/build.log
+[ -f $LOG ] && rm -f $LOG
 
 cd $VTOY_PATH/DOC
-logci "prepare_env ..."
+echo "prepare_env ..."
 sh prepare_env.sh
 
 export PATH=$PATH:/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin:/opt/aarch64--uclibc--stable-2020.08-1/bin
 
 
-logci "build grub2 ..."
+echo "build grub2 ..."
 cd $VTOY_PATH/GRUB2
-sh buildgrub.sh || exit 1
+sh buildgrub.sh >> $LOG 2>&1 || exit 1
 
-logci "build ipxe ..."
+echo "build ipxe ..."
 cd $VTOY_PATH/IPXE
-sh buildipxe.sh || exit 1
+sh buildipxe.sh >> $LOG 2>&1 || exit 1
 
-logci "build edk2 ..."
+echo "build edk2 ..."
 cd $VTOY_PATH/EDK2
-sh buildedk.sh || exit 1
+sh buildedk.sh >> $LOG 2>&1 || exit 1
 
 
 
@@ -78,8 +74,7 @@ if [ "$1" = "CI" ]; then
     sed "s/VENTOY_VERSION=.*/VENTOY_VERSION=\"$Ver\"/"  -i ./grub/grub.cfg
 fi
 
-logci "packing ventoy-$Ver ..."
-sh ventoy_pack.sh $1 || exit 1
+echo "packing ventoy-$Ver ..."
+sh ventoy_pack.sh $1 >> $LOG 2>&1 || exit 1
 
-logci "==== finish ===="
 echo -e '\n============== SUCCESS ==================\n'
diff --git a/INSTALL/docker_ci_build.sh b/INSTALL/docker_ci_build.sh
index 45c68873..687e2d17 100644
--- a/INSTALL/docker_ci_build.sh
+++ b/INSTALL/docker_ci_build.sh
@@ -10,5 +10,4 @@ wget -q -O $VTOY_PATH/EDK2/edk2-edk2-stable201911.zip https://codeload.github.co
 wget -q -P /opt/ https://releases.linaro.org/components/toolchain/binaries/7.4-2019.02/aarch64-linux-gnu/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu.tar.xz
 wget -q -P /opt/ https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/tarballs/aarch64--uclibc--stable-2020.08-1.tar.bz2
 
-LOGCON=$(readlink /proc/self/fd/1)
-sh all_in_one.sh CI $LOGCON > $VTOY_PATH/DOC/build.log 2>&1
+sh all_in_one.sh CI