diff --git a/socat.sh b/socat.sh
index a979c20..7329e0e 100644
--- a/socat.sh
+++ b/socat.sh
@@ -66,7 +66,7 @@ start_socat(){
     source /etc/os-release &>/dev/null
     if [[ "${ID}" == "debian" && ${VERSION_ID} -ge 9 ]];then
     echo -e "${Green}检测到【Debian ${VERSION_ID}】无/etc/rc.local自启，正在为其配置... ${Font} "
-    elif [[ "${ID}" == "ubuntu" && `echo "${VERSION_ID}" | cut -d '.' -f1` -ge 18 ]];then
+    elif [[ "${ID}" == "ubuntu" && `echo "${VERSION_ID}" | cut -d '.' -f1` -ge 17 ]];then
     echo -e "${Green}检测到【Ubuntu ${VERSION_ID}】无/etc/rc.local自启，正在为其配置... ${Font} "
         echo "[Unit]
         Description=/etc/rc.local