diff --git a/scripts/update.sh b/scripts/update.sh
index 24b7e3e12..38783ab71 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -7,28 +7,28 @@ is64bit=`getconf LONG_BIT`
 startTime=`date +%s`
 
 _os=`uname`
-
 echo "use system: ${_os}"
-if [ "${_os}" == "Darwin" ] ; then
-	OSNAME='MAC'
+
+if [ "${_os}" == "Darwin" ]; then
+	OSNAME='macos'
 elif grep -Eqi "CentOS" /etc/issue || grep -Eq "CentOS" /etc/*-release; then
-	OSNAME='CentOS'
+	OSNAME='centos'
 elif grep -Eqi "Red Hat Enterprise Linux Server" /etc/issue || grep -Eq "Red Hat Enterprise Linux Server" /etc/*-release; then
-	OSNAME='RHEL'
+	OSNAME='rhel'
 elif grep -Eqi "Aliyun" /etc/issue || grep -Eq "Aliyun" /etc/*-release; then
-	OSNAME='Aliyun'
+	OSNAME='aliyun'
 elif grep -Eqi "Fedora" /etc/issue || grep -Eq "Fedora" /etc/*-release; then
-	OSNAME='Fedora'
+	OSNAME='fedora'
 elif grep -Eqi "Amazon Linux AMI" /etc/issue || grep -Eq "Amazon Linux AMI" /etc/*-release; then
-	OSNAME='Amazon'
+	OSNAME='amazon'
 elif grep -Eqi "Debian" /etc/issue || grep -Eq "Debian" /etc/*-release; then
-	OSNAME='Debian'
+	OSNAME='debian'
 elif grep -Eqi "Ubuntu" /etc/issue || grep -Eq "Ubuntu" /etc/*-release; then
-	OSNAME='Ubuntu'
+	OSNAME='ubuntu'
 elif grep -Eqi "Raspbian" /etc/issue || grep -Eq "Raspbian" /etc/*-release; then
-	OSNAME='Raspbian'
+	OSNAME='raspbian'
 elif grep -Eqi "Deepin" /etc/issue || grep -Eq "Deepin" /etc/*-release; then
-	OSNAME='Deepin'
+	OSNAME='deepin'
 else
 	OSNAME='unknow'
 fi
@@ -36,11 +36,11 @@ fi
 #pip uninstall public
 echo "use system version: ${OSNAME}"
 
-if [ "$OSNAME" == 'MAC' ];then
+if [ "$OSNAME" == 'macos' ]; then
 	echo 'The development environment only needs to be downloaded again!'
 	exit 0
 else
-	curl -fsSL  https://raw.githubusercontent.com/midoks/mdserver-web/master/scripts/update_centos.sh | sh
+	curl -fsSL  https://raw.githubusercontent.com/midoks/mdserver-web/master/scripts/update/${OSNAME}.sh | sh
 fi
 
 endTime=`date +%s`
diff --git a/scripts/update_centos.sh b/scripts/update/centos.sh
similarity index 100%
rename from scripts/update_centos.sh
rename to scripts/update/centos.sh