diff --git a/build.sh b/build.sh
index 0060646..193b21f 100755
--- a/build.sh
+++ b/build.sh
@@ -1,16 +1,9 @@
-sys=$1 #系统
 sysarch=$(arch)
-
-
-if [ "$sys" != "uos" ] && [ "$sys" != "kylin" ];then
-
-	echo "参数请设置根据系统设置,uos or kylin"
-	exit 1
-fi
-
+sys=$(cat /etc/issue)
+sys=${sys%% *}
 
 echo "------------------------------change cmake path:$1--------------------"
-if [ "$sys" == "uos" ];then
+if [ "$sys" == "UnionTech" ];then
     sed -i "s/kylin/$1/g"           hgdriver/wrapper/CMakeLists.txt
 elif [ "$sys" == "kylin" ];then
     sed -i "s/uos/$1/g"             hgdriver/wrapper/CMakeLists.txt