diff --git a/config.yaml b/config.yaml
index 5b08693..973ffe8 100644
--- a/config.yaml
+++ b/config.yaml
@@ -11,9 +11,9 @@ node:
 
 ## identity configurations
 identity:
-  ## the backup of chain controller account
+  ## the backup of chain account
   backup: ''
-  ## the password of chain controller account
+  ## the password of chain account
   password: ""
 
 ## chain configurations
diff --git a/scripts/online_install.sh b/scripts/online_install.sh
index 13fda3b..d1b4895 100755
--- a/scripts/online_install.sh
+++ b/scripts/online_install.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 version=$1
+shift
 
 if [ $(id -u) -ne 0 ]; then
     echo "Please run with sudo!"
@@ -20,7 +21,7 @@ if [ $res -ne 0 ]; then
     exit 1
 fi
 
-./crust-node-$version/install.sh
+./crust-node-$version/install.sh $@
 if [ $res -ne 0 ]; then
     echo "Install crust node $version failed"
     rm v$version.tar.gz
diff --git a/scripts/upgrade.sh b/scripts/upgrade.sh
deleted file mode 100755
index 41d41e7..0000000
--- a/scripts/upgrade.sh
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/bin/bash
-
-scriptdir=$(cd `dirname $0`;pwd)
-basedir=$(cd $scriptdir/..;pwd)
-config_file=$basedir/build/sworker/sworker_config.json
-builddir=$basedir/build
-
-source $scriptdir/utils.sh
-
-function upgrade_sworker()
-{
-    echo "upgrade...."
-    
-    upgrade_docker_image crustio/crust-sworker
-    if [ $? -ne 0 ]; then
-        return 1
-    fi
-
-    local a_or_b=`cat $basedir/etc/sWorker.ab`
-    if [ x"$a_or_b" = x"a" ]; then
-        a_or_b='b'
-    else
-        a_or_b='a'
-    fi
-
-    check_docker_status crust-sworker-a
-    local resa=$?
-    check_docker_status crust-sworker-b
-    local resb=$?
-
-    if [ $resa -eq 0 ] && [ $resb -eq 0 ] ; then
-        log_info "sworker A/B upgrade is running..."
-        return 0
-    fi
-
-    docker stop crust-sworker-$a_or_b &>/dev/null
-    docker rm crust-sworker-$a_or_b &>/dev/null
-    EX_SWORKER_ARGS=--upgrade docker-compose -f $builddir/docker-compose.yaml up -d crust-sworker-$a_or_b
-    if [ $? -ne 0 ]; then
-        echo "setup new sworker failed"
-        return 1
-    fi
-    
-    if [ x"$a_or_b" = x"a" ]; then
-        sed -i 's/b/a/g' $basedir/etc/sWorker.ab
-    else
-        sed -i 's/a/b/g' $basedir/etc/sWorker.ab
-    fi
-
-    echo "update start..., setup new sworker 'crust-sworker-$a_or_b'"
-}
-
-if [ x"$config_file" = x"" ]; then
-    echo "please give right config file"
-    exit 1
-fi
-
-api_base_url=`cat $config_file | jq .chain.base_url`
-sworker_base_url=`cat $config_file | jq .base_url`
-
-if [ x"$api_base_url" = x"" ] || [ x"$sworker_base_url" = x"" ]; then
-    echo "please give right config file"
-    exit 1
-fi
-
-api_base_url=`echo "$api_base_url" | sed -e 's/^"//' -e 's/"$//'`
-sworker_base_url=`echo "$sworker_base_url" | sed -e 's/^"//' -e 's/"$//'`
-
-echo "wait 100s for sworker to start"
-sleep 100s
-while :
-do
-
-system_health=`curl --max-time 30 $api_base_url/system/health 2>/dev/null`
-if [ x"$system_health" = x"" ]; then
-    echo "please run crust chain and api"
-    sleep 60
-    continue
-fi
-
-is_syncing=`echo $system_health | jq .isSyncing`
-if [ x"$is_syncing" = x"" ]; then
-    echo "crust api dose not connet to crust chain"
-    sleep 60
-    continue
-fi
-
-if [ x"$is_syncing" = x"true" ]; then
-    echo "crust chain is syncing"
-    sleep 60
-    continue
-fi
-
-code=`curl --max-time 30 $api_base_url/swork/code 2>/dev/null`
-if [ x"$code" = x"" ]; then
-    echo "please run chain and api"
-    sleep 60
-    continue
-fi
-
-if [[ ! "$code" =~ ^\"0x.* ]]; then
-    echo "please run chain and api"
-    sleep 60
-    continue
-fi
-
-code=`echo ${code: 3: 64}`
-echo "sWorker code on chain: $code"
-
-id_info=`curl --max-time 30 $sworker_base_url/enclave/id_info 2>/dev/null`
-if [ x"$id_info" = x"" ]; then
-    echo "please run sworker"
-    sleep 60
-    continue
-fi
-
-mrenclave=`echo $id_info | jq .mrenclave`
-if [ x"$mrenclave" = x"" ]; then
-    echo "waiting sworker ready"
-    sleep 60
-    continue
-fi
-mrenclave=`echo ${mrenclave: 1: 64}`
-
-echo "sWorker self code: $mrenclave"
-
-if [ x"$mrenclave" != x"$code" ] && [ ${#mrenclave} -eq ${#code} ]; then
-    upgrade_sworker
-fi
-
-sleep 60
-done