diff --git a/initial.sh b/initial.sh
index bcc5150..af3dff7 100644
--- a/initial.sh
+++ b/initial.sh
@@ -4,8 +4,10 @@
 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 export PATH
 
-
 # step 0: prepare
+nml_user_name=${1}
+nml_user_home=${2}
+ss_user_name=${3}
 
 github_project="docker/compose"
 tag=$(wget -qO- -t1 -T2 "https://api.github.com/repos/${github_project}/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
@@ -17,6 +19,7 @@ echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf   #修改系统
 sysctl -p   #保存生效
 sysctl net.ipv4.tcp_available_congestion_control   #执行
 
+apt update
 apt -y install sudo wget curl ufw screen vim git python3-pip
 curl -fsSL https://get.docker.com | bash -s docker >${PWD}/step1 2>&1
 curl -L https://github.com/docker/compose/releases/download/${tag}/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose
@@ -24,12 +27,12 @@ echo "step 1: install has finished"
 
 
 # step 2: localize
-useradd -d /home/skf -m ${1}
-usermod -s /bin/bash ${1}
-usermod -aG sudo ${1}   # 有些发行版 RN 的就没有sudo adm
-usermod -aG adm ${1}
-usermod -aG docker ${1} && newgrp docker
-echo `groups ${1}`
+useradd -d /home/skf -m ${nml_user_name}
+usermod -s /bin/bash ${nml_user_name}
+usermod -aG sudo ${nml_user_name}   # 有些发行版 RN 的就没有sudo adm
+usermod -aG adm ${nml_user_name}
+usermod -aG docker ${nml_user_name}
+echo `groups ${nml_user_name}`
 
 timedatectl set-timezone Asia/Shanghai
 echo `date`
@@ -38,12 +41,14 @@ echo "step 2: localize has finished"
 
 
 # step 3: monitor
-mkdir -p ~${1}/myserve/serverstatus && wget --no-check-certificate -qO ~${1}/myserve/serverstatus/client-linux.py 'https://raw.githubusercontent.com/cppla/ServerStatus/master/clients/client-linux.py'
-chown -R ${1}:${1} ~${1}/myserve
+mkdir -p /home/${nml_user_home}/myserve/serverstatus && wget --no-check-certificate -qO /home/${nml_user_home}/myserve/serverstatus/client-linux.py 'https://raw.githubusercontent.com/cppla/ServerStatus/master/clients/client-linux.py'
+chown -R ${nml_user_name}:${nml_user_name} /home/${nml_user_home}/myserve
 
-nohup python3 ~${1}/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-${2} PASSWORD=A23456.. >/dev/null 2>&1 &
+nohup python3 /home/${nml_user_home}/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-${ss_user_name} PASSWORD=A23456.. >/dev/null 2>&1 &
 
-echo "@reboot python3 ~${1}/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-${2} PASSWORD=A23456.. >/dev/null 2>&1" >> /var/spool/cron/crontabs/${1}
+echo "@reboot python3 /home/${nml_user_home}/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-${ss_user_name} PASSWORD=A23456.. >/dev/null 2>&1" >> /var/spool/cron/crontabs/${nml_user_name}
+chown -R ${nml_user_name}:${nml_user_name} /var/spool/cron/crontabs/${nml_user_name}
+chmod 600 /var/spool/cron/crontabs/${nml_user_name}
 
 echo "step 3: monitor has finished"