diff --git a/install.sh b/install.sh
index 480472e..91967cd 100755
--- a/install.sh
+++ b/install.sh
@@ -14,6 +14,7 @@ Usage:
     help                            show help information
     --update                        update crust node
     --registry {cn|en}              use registry to accelerate docker pull
+    --apiKey                        subscan api key
 EOF
 exit 0
 }
@@ -150,6 +151,9 @@ install_crust_node()
 
     echo "Install crust command line tool"
     cp $localscriptdir/crust.sh /usr/bin/crust
+    if [ x"$SUBSCANAPIKEY" != x"" ]; then
+        sed -i "/%SUBSCANAPIKEY%/ c SUBSCANAPIKEY=$SUBSCANAPIKEY" $installdir/scripts/add_spower.sh
+    fi
 
     log_success "------------Install success-------------"
 }
@@ -172,6 +176,13 @@ while true ; do
             region=$2
             shift 2
             ;;
+        --apiKey)
+            if [ x"$2" == x"" ]; then
+                help
+            fi
+            SUBSCANAPIKEY=$2
+            shift 2
+            ;;
         --update)
             update="true"
             shift 1
diff --git a/scripts/add_spower.sh b/scripts/add_spower.sh
new file mode 100755
index 0000000..90d1930
--- /dev/null
+++ b/scripts/add_spower.sh
@@ -0,0 +1,451 @@
+#!/bin/bash
+function get_number_by_cid()
+{
+    local cid=$1
+    local tail=$2
+    local number=0
+    for i in $(seq 1 $tail); do
+        tmp=${cid:len-i:1}
+        tmp=$(printf '%d' "'$tmp")
+        ((number=number+tmp))
+    done
+    echo $number
+}
+
+function is_number()
+{
+    if [[ $1 =~ ^[1-9]+[0-9]*$ ]] || [ x"$1" = x"0" ]; then
+        return 0
+    fi
+    return 1
+}
+
+function get_spower()
+{
+    local spower_t=$1
+    local unit=${spower_t##*[0-9]}
+    local size=${spower_t%%[a-zA-Z]*}
+    local res=""
+    if is_number $size && [ x"${unit_map[$unit]}" != x"" ]; then
+        res=$((size*${unit_map[$unit]}))
+    fi
+    echo $res
+}
+
+function max()
+{
+    local x1=$1
+    local x2=$2
+    if ! is_number $x1; then
+        x1=0
+    fi
+    if ! is_number $x2; then
+        x2=0
+    fi
+    if [ $x1 -gt $x2 ]; then
+        echo $x1
+    else
+        echo $x2
+    fi
+}
+
+function min()
+{
+    local x1=$1
+    local x2=$2
+    if ! is_number $x1; then
+        x1=0
+    fi
+    if ! is_number $x2; then
+        x2=0
+    fi
+    if [ $x1 -lt $x2 ]; then
+        echo $x1
+    else
+        echo $x2
+    fi
+}
+
+function is_enough()
+{
+    if [ x"$target_spower" != x"" ]; then
+        if ((spower_cur >= target_spower)); then
+            return 0
+        fi
+    fi
+    if [ x"$target_number" != x"" ]; then
+        if ((number_cur >= target_number)); then
+            return 0
+        fi
+    fi
+    return 1
+}
+
+function usage()
+{
+    echo "Usage:"
+    echo "     $0 [options]"
+    echo "Options:"
+    echo "     -n|--number <number>: Required, indicate add file number, cannot be set with -s"
+    echo "     -s|--spower <number><unit>: Required, indicate add spower whose unit must be g/G/t/T, cannot be set with -n"
+    echo "     --reset: Delete previous metadata"
+    echo "     --new: Get new order first, if not set, just load old order"
+    echo "     -h|--help: Display help message"
+}
+
+########## MAIN BODY ##########
+basedir=$(cd `dirname $0`; pwd)
+spower_dir=$basedir/spower
+TMPFILE=$spower_dir/tmp
+owned_cids_file=$spower_dir/owned_cids
+add_files_script=$spower_dir/add_files.sh
+prev_meta_file=$spower_dir/prev_meta
+crust_base_url="http://localhost:12222/api/v0"
+files_url="https://crust.webapi.subscan.io/api/scan/swork/member/files"
+# Color
+RED='\033[0;31m'
+HRED='\033[1;31m'
+GREEN='\033[0;32m'
+HGREEN='\033[1;32m'
+YELLOW='\033[0;33m'
+HYELLOW='\033[1;33m'
+NC='\033[0m'
+
+declare -A unit_map
+declare -A id_2_lblk
+
+unit_map[g]=$((1024*1024*1024))
+unit_map[G]=${unit_map[g]}
+unit_map[t]=$((${unit_map[g]}*1024))
+unit_map[T]=${unit_map[t]}
+
+# used to indicate fetching new or old order
+# 0 indicates get new order
+# 1 indicates get old order
+break_cond=1
+RESET=false
+GETNEW=false
+options=$(getopt -o n:s:h --long number,spower,reset,new,help -- "$@")
+[ $? -eq 0 ] || { 
+    echo "ERROR: incorrect options provided"
+    exit 1
+}
+eval set -- "$options"
+while true; do
+    case "$1" in
+    -n|--number)
+        if [ x"$target_spower" != x"" ]; then
+            usage
+            exit 1
+        fi
+        shift; # The arg is next in position args
+        FILENUM=$1
+        if ! is_number $FILENUM; then
+            echo "ERROR: Wrong -n argument which must be number"
+            usage
+            exit 1
+        fi
+        target_number=$FILENUM
+        ;;
+    -s|--spower)
+        if [ x"$target_number" != x"" ]; then
+            usage
+            exit 1
+        fi
+        shift; # The arg is next in position args
+        SPOWER=$1
+        target_spower=$(get_spower $SPOWER)
+        if [ x"$target_spower" = x"" ]; then
+            echo "ERROR: Wrong -s argument which should be like 11g"
+            usage
+            exit 1
+        fi
+        ;;
+    --reset)
+        RESET=true
+        ;;
+    --new)
+        GETNEW=true
+        ;;
+    -h|--help)
+        usage
+        exit 1
+        ;;
+    --)
+        shift
+        break
+        ;;
+    ?)
+        echo "ERROR: invalid option:-$1" 1>&2
+        usage
+        exit 1
+        ;;
+    esac
+    shift
+done
+if [ x"$target_number" = x"" ] && [ x"$target_spower" = x"" ]; then
+    usage
+    exit 1
+fi
+if $RESET; then
+    rm -rf $spower_dir &>/dev/null
+fi
+if $GETNEW; then
+    break_cond=0
+fi
+
+mkdir -p $spower_dir
+
+account=$(curl -s http://localhost:12222/api/v0/enclave/id_info | jq .account)
+if [ x"$account" = x"" ]; then
+    echo "ERROR: get sWorker account failed, please make sure sWorker is running!"
+    exit 1
+fi
+### Get owner id
+echo "INFO: get owner id by current account:'$account'..."
+subsquid_url="https://crust.indexer.gc.subsquid.io/v4/graphql"
+owner_id=$(curl -s -XPOST $subsquid_url --data-raw '{"query": "query MyQuery {\n  substrate_extrinsic(where: {signer: {_eq: \"'$account'\"}, method: {_eq: \"joinGroup\"}}, limit: 1) {\n    substrate_events(where: {method: {_eq: \"JoinGroupSuccess\"}}) {\n      data(path: \".param1.value\")\n    }\n  }\n}\n"}' | jq -r '.data.substrate_extrinsic|.[0].substrate_events|.[0].data')
+if [ x"$owner_id" = x"" ] || [ ${#owner_id} -ne ${#account} ]; then
+    echo "ERROR: cannot get owner account by current account:'$account', please try again"
+    exit 1
+fi
+echo "INFO: current account's owner:'$owner_id'"
+# If subscan api key indicated, replace this line with it. %SUBSCANAPIKEY%
+if [ x"$SUBSCANAPIKEY" != x"" ]; then
+    subscan_header="--header 'X-API-Key: $SUBSCANAPIKEY'"
+else
+    echo "WARN: no subscan api key indicated which may result in querying owner member failed. You can set value for SUBSCANAPIKEY env."
+fi
+member_ids=($(curl -s -XPOST 'https://crust.webapi.subscan.io/api/scan/swork/group/members' $subscan_header --data-raw '{"row": 1000, "page": 0, "group_owner": "'$owner_id'"}' | jq -r '.data.list|.[]|.account_id' | sort))
+if [ ${#member_ids[@]} -le 0 ]; then
+    echo "INFO: no member has been found"
+    exit 0
+fi
+echo "INFO: get ${#member_ids[@]} members for owner"
+
+### Get all owner files
+true > $TMPFILE
+if [ ! -e "$owned_cids_file" ]; then
+    rm $prev_meta_file &>/dev/null
+fi
+trap 'rm $TMPFILE' EXIT
+echo "INFO: get files from subsquid..."
+member_acc=0
+file_num=0
+fetched_lest_order_blk=0
+fetched_lest_report_blk=0
+# Get previous meta
+if [ -s $prev_meta_file ]; then
+    for el in $(cat $prev_meta_file 2>/dev/null); do
+        eval $el
+    done
+    echo "INFO: get previous running data"
+    echo "      current group total file number:$(cat $owned_cids_file | wc -l)"
+    echo "      searched newest order block:$fetch_start_blk_n"
+    echo "      searched oldest order block:$fetch_start_blk_o"
+    echo "      tips: if you want to reset search, add '--reset' option"
+fi
+for id in ${member_ids[@]}; do
+    if ! echo ${member_ids[@]} | grep $id &>/dev/null; then
+        rm -rf $spower_dir &>/dev/null
+        unset id_2_lblk
+        declare -A id_2_lblk
+    fi
+done
+for id in ${member_ids[@]}; do
+    ((member_acc++))
+    printf "%s" "INFO: id:'$id' files from subsquid...$member_acc/${#member_ids[@]}"
+    lest_report_blk=0
+    lest_order_blk=0
+
+    # Get files by account
+    cond=""
+    if [ x"${id_2_lblk[$id]}" != x"" ]; then
+        blk_num=${id_2_lblk[$id]}
+        cond="(where:{blockNum_gt:$blk_num})"
+    fi
+    curl -s -XPOST -H "content-type: application/json; charset=utf-8" 'https://app.gc.subsquid.io/beta/crust/001/graphql' --data-raw '{"query": "query MyQuery {\n  accountById(id: \"'$id'\") {\n    workReports'$cond' {\n      addedFiles\n      deletedFiles\n    blockNum\n    }\n  }\n}"}'  > $TMPFILE
+    if [ x"$(cat $TMPFILE | jq -r '.data.accountById.workReports|length')" = x"0" ]; then
+        echo " No more files can be got from block:${id_2_lblk[$id]}"
+        continue
+    elif ! cat $TMPFILE | jq . &>/dev/null; then
+        echo " Cannot get files from block:${id_2_lblk[$id]}, please try again"
+        exit 1
+    fi
+    declare -A acc_map
+    for el in $(cat $TMPFILE | jq -r ".data.accountById.workReports|.[]|.addedFiles|.[]|.[0]"); do
+        tmp=${acc_map[$el]}
+        if [ x"$tmp" = x"" ]; then
+            tmp=0
+        else
+            ((tmp++))
+        fi
+        acc_map[$el]=$tmp
+    done
+    for el in $(cat $TMPFILE | jq -r ".data.accountById.workReports|.[]|.deletedFiles|.[]|.[0]"); do
+        tmp=${acc_map[$el]}
+        acc_map[$el]=$((tmp-1))
+    done
+    for key in ${!acc_map}; do
+        if [ ${acc_map[$key]} -le 0 ]; then
+            unset 'acc_map[$key]'
+        fi
+    done
+    # Get latest block number
+    blocks_arry=($(cat $TMPFILE | jq '.data.accountById.workReports|.[]|.blockNum'))
+    lest_report_blk=$(max $lest_report_blk ${blocks_arry[len-1]})
+    # Get valid file cid
+    j=0
+    exist=false
+    for el in $(cat $TMPFILE | jq -r ".data.accountById.workReports|.[]|.addedFiles|.[]|.[0,2]"); do
+        if ((j % 2 == 0 )); then
+            exist=false
+            if [ x"${acc_map[$el]}" != x"" ]; then
+                cid=$(echo $el | xxd -r -p)
+                if ! grep $cid $owned_cids_file &>/dev/null; then
+                    echo $cid >> $owned_cids_file
+                fi
+                exist=true
+            fi
+        elif $exist; then
+            lest_order_blk=$(max $lest_order_blk $el)
+        fi
+        ((j++))
+    done
+    ((file_num=file_num+${#acc_map[@]}))
+    echo " Done: file number(current:${#acc_map[@]}, total:$file_num), latest block:$lest_report_blk"
+    unset acc_map
+    if [ $lest_report_blk -gt 0 ]; then
+        id_2_lblk[$id]=$lest_report_blk
+    fi
+    fetched_lest_order_blk=$(max $fetched_lest_order_blk $lest_order_blk)
+    fetched_lest_report_blk=$(max $fetched_lest_report_blk $lest_report_blk)
+done
+# In case of chain unstability
+fetched_lest_order_blk=$(min $fetched_lest_order_blk $fetched_lest_report_blk)
+if [ x"$fetch_start_blk_n" = x"" ]; then
+    fetch_start_blk_n=$fetched_lest_order_blk
+fi
+if [ x"$fetch_start_blk_o" = x"" ]; then
+    fetch_start_blk_o=$fetch_start_blk_n
+fi
+echo "INFO: newest order block:$fetch_start_blk_n"
+
+### Get old orders from the latest order block
+order_step=200
+number_cur=0
+spower_cur=0
+new_order_num=0
+new_order_size=0
+enough=false
+declare -A id_2_cids
+declare -A id_2_size
+if [ $break_cond -eq 0 ]; then
+    cond="{_gt:\\\"$fetch_start_blk_n\\\"}},order_by:{blockNumber:asc}"
+    echo "INFO: search newer order from block:$fetch_start_blk_n"
+else
+    cond="{_lt:\\\"$fetch_start_blk_o\\\"}},order_by:{blockNumber:desc}"
+    echo "INFO: search older order from block:$fetch_start_blk_o"
+fi
+while ! $enough ; do
+    file_arry=($(curl -s -XPOST $subsquid_url --data-raw '{"query": "query MyQuery {\n  substrate_extrinsic(limit: '$order_step', where: {method: {_eq: \"placeStorageOrder\"}, blockNumber: '$cond' ) {\n    args\n    blockNumber\n  }\n}\n"}' 2>/dev/null | jq -r '.data.substrate_extrinsic|.[]|[.args[0].value, .args[1].value, .blockNumber]' 2>/dev/null | jq -r '.[]' 2>/dev/null))
+    file_num=${#file_arry[@]}
+    if [ $file_num -gt 0 ]; then
+        if [ $break_cond -eq 0 ]; then
+            echo "INFO: fetched new order range => $fetch_start_blk_n ~ ${file_arry[2]}"
+            fetch_start_blk_n=${file_arry[2]}
+            cond="{_gt:\\\"$fetch_start_blk_n\\\"}},order_by:{blockNumber:asc}"
+        else
+            echo "INFO: fetched old order range => $fetch_start_blk_o ~ ${file_arry[$((file_num-1))]}"
+            fetch_start_blk_o=${file_arry[$((file_num-1))]}
+            cond="{_lt:\\\"$fetch_start_blk_o\\\"}},order_by:{blockNumber:desc}"
+        fi
+        i=0
+        added=false
+        for el in ${file_arry[@]}; do
+            if ((i % 3 == 0)); then
+                added=false
+                cid=$(echo $el | xxd -r -p)
+                if ! grep $cid $owned_cids_file &>/dev/null; then
+                    tag=$(get_number_by_cid $cid 3)
+                    ((tag=tag%${#member_ids[@]}))
+                    id=${member_ids[$tag]}
+                    if ! echo ${id_2_cids[$id]} | grep $cid &>/dev/null; then
+                        id_2_cids[$id]="${id_2_cids[$id]}$cid "
+                        ((number_cur++))
+                        added=true
+                    fi
+                fi
+            elif ((i % 3 == 1)); then
+                if $added; then
+                    ((spower_cur=spower_cur+$el))
+                    id_2_size[$id]=$((${id_2_size[$id]}+$el))
+                fi
+            else
+                if is_enough; then enough=true; fi
+                if $enough; then
+                    if [ $break_cond -eq 0 ]; then
+                        fetch_start_blk_n=$el
+                    else
+                        fetch_start_blk_o=$el
+                    fi
+                    break
+                fi
+            fi
+            ((i++))
+        done
+    elif [ $break_cond -lt 1 ]; then
+        new_order_num=$number_cur
+        new_order_size=$spower_cur
+        ((break_cond++))
+        cond="{_lt:\\\"$fetch_start_blk_o\\\"}},order_by:{blockNumber:desc}"
+        echo "INFO: search older order from block:$fetch_start_blk_o"
+    else
+        echo "INFO: no more files can be found, or network issue, please try again"
+        break
+    fi
+done
+if [ $break_cond -eq 0 ]; then
+    new_order_num=$number_cur
+    new_order_size=$spower_cur
+fi
+echo "INFO: get order number:$number_cur, size:$spower_cur"
+echo "      new order number:$new_order_num, size:$new_order_size"
+echo "      old order number:$((number_cur-new_order_num)), size:$((spower_cur-new_order_size))"
+
+### Generate add script
+if [ ${#id_2_cids[@]} -gt 0 ]; then
+cat << EOF > $add_files_script
+#!/bin/bash
+declare -A id_2_cids
+account=\$(curl -s http://localhost:12222/api/v0/enclave/id_info | jq .account)
+if [ x"\$account" = x"" ]; then
+    echo "ERROR: get sWorker account failed, please make sure sWorker is running!"
+    exit 1
+fi
+echo "INFO: account:\$account"
+
+$(
+    for id in ${!id_2_cids[@]}; do
+        echo "id_2_cids[$id]=\"${id_2_cids[$id]}\""
+        echo "id_2_size[$id]=\"${id_2_size[$id]}\""
+    done
+)
+
+cids=(\${id_2_cids[\$account]})
+echo "INFO: adding spower:\${id_2_size[\$account]}"
+for cid in \${cids[@]}; do
+    curl -XPOST 'http://127.0.0.1:42087/api/v0/insert' --data-raw '{"cid" : "'\$cid'"}'
+done
+EOF
+fi
+chmod +x $add_files_script
+{
+    for id in ${!id_2_lblk[@]}; do
+        echo "id_2_lblk[$id]=${id_2_lblk[$id]}"
+    done
+    echo "fetch_start_blk_o=$fetch_start_blk_o"
+    echo "fetch_start_blk_n=$fetch_start_blk_n"
+} > $prev_meta_file
+
+echo -e "INFO: ${HGREEN}add scripts has been generated at:${add_files_script}, copy and execute this script in your member machine to gain more spower.${NC}"
diff --git a/scripts/tools.sh b/scripts/tools.sh
index 1d1aa6a..d0aa2c9 100755
--- a/scripts/tools.sh
+++ b/scripts/tools.sh
@@ -18,6 +18,7 @@ Crust tools usage:
     ipfs {...}                                                 ipfs command, for example 'ipfs pin ls', 'ipfs swarm peers'
     watch-chain                                                generate watch chain node docker-compose file and show help
     set-sworker-debug {true|false}                             set sworker debug
+    spower                                                     get spower script
 EOF
 }
 
@@ -478,6 +479,11 @@ PS:
 EOF
 }
 
+spower()
+{
+    $basedir/scripts/add_spower.sh $@
+}
+
 tools()
 {
     case "$1" in
@@ -516,6 +522,10 @@ tools()
             shift
             ipfs_cmd $@
             ;;
+        spower)
+            shift
+            spower $@
+            ;;
         *)
             tools_help
     esac