diff --git a/README.md b/README.md
index d10b9d19..c1b8aa09 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ After you set ssl on settings
 - Ubuntu 20.04+
 - Debian 10+
 - CentOS 8+
-- Fedora 29+
+- Fedora 36+
 
 # Pictures
 
diff --git a/install.sh b/install.sh
index 9ea3eec1..cd36edb0 100644
--- a/install.sh
+++ b/install.sh
@@ -10,29 +10,18 @@ cur_dir=$(pwd)
 # check root
 [[ $EUID -ne 0 ]] && echo -e "${red}Fatal error：${plain} Please run this script with root privilege \n " && exit 1
 
-# Check OS
-if [[ -f /etc/redhat-release ]]; then
-    release="centos"
-    if grep -q "Fedora" /etc/redhat-release; then
-        release="fedora"
-    fi
-elif cat /etc/issue | grep -Eqi "debian"; then
-    release="debian"
-elif cat /etc/issue | grep -Eqi "ubuntu"; then
-    release="ubuntu"
-elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
-    release="centos"
-elif cat /proc/version | grep -Eqi "debian"; then
-    release="debian"
-elif cat /proc/version | grep -Eqi "ubuntu"; then
-    release="ubuntu"
-elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
-    release="centos"
-elif grep -q "Fedora" /etc/*-release; then
-    release="fedora"
+# Check OS and set release variable
+if [[ -f /etc/os-release ]]; then
+    source /etc/os-release
+    release=$ID
+elif [[ -f /usr/lib/os-release ]]; then
+    source /usr/lib/os-release
+    release=$ID
 else
-    echo -e "${red} Check system OS failed, please contact the author! ${plain}\n" && exit 1
+    echo "Failed to check the system OS, please contact the author!" >&2
+    exit 1
 fi
+echo "The OS release is: $release"
 
 arch=$(arch)
 
@@ -53,38 +42,29 @@ if [ $(getconf WORD_BIT) != '32' ] && [ $(getconf LONG_BIT) != '64' ]; then
 fi
 
 os_version=""
+os_version=$(grep -i version_id /etc/os-release | cut -d \" -f2 | cut -d . -f1)
 
-# get OS version
-if [[ -f /etc/os-release ]]; then
-    os_version=$(awk -F'[= ."]' '/VERSION_ID/{print $3}' /etc/os-release)
-fi
-if [[ -z "$os_version" && -f /etc/lsb-release ]]; then
-    os_version=$(awk -F'[= ."]+' '/DISTRIB_RELEASE/{print $2}' /etc/lsb-release)
+if [[ x"${release}" == x"centos" ]]; then
+    if [[ ${os_version} -lt 8 ]]; then
+        echo -e "${red} Please use CentOS 8 or higher ${plain}\n" && exit 1
+    fi
+elif [[ x"${release}" ==  "ubuntu" ]]; then
+    if [[ ${os_version} -lt 20 ]]; then
+        echo -e "${red}please use Ubuntu 20 or higher version！${plain}\n" && exit 1
+    fi
+
+elif [[ x"${release}" == "fedora" ]]; then
+    if [[ ${os_version} -lt 36 ]]; then
+        echo -e "${red}please use Fedora 36 or higher version！${plain}\n" && exit 1
+    fi
+
+elif [[ x"${release}" == "debian" ]]; then
+    if [[ ${os_version} -lt 10 ]]; then
+        echo -e "${red} Please use Debian 10 or higher ${plain}\n" && exit 1
+    fi
+    
 fi
 
-# set minimum version number for each OS
-case ${release} in
-    centos)
-        min_version=8
-        ;;
-    ubuntu)
-        min_version=20
-        ;;
-    debian)
-        min_version=10
-        ;;
-    fedora)
-        min_version=29
-        ;;
-    *)
-        echo -e "${red} Unsupported OS ${plain}\n" && exit 1
-        ;;
-esac
-
-# check if OS version meets minimum version requirement
-if [[ ${os_version} -lt ${min_version} ]]; then
-    echo -e "${red} Please use ${release^} ${min_version} or higher ${plain}\n" && exit 1
-fi
 
 install_base() {
     if [[ x"${release}" == x"centos" ]]; then
@@ -93,7 +73,6 @@ install_base() {
         apt install wget curl tar -y
     fi
 }
-
 #This function will be called when user installed x-ui out of sercurity
 config_after_install() {
     echo -e "${yellow}Install/update finished! For security it's recommended to modify panel settings ${plain}"
@@ -120,7 +99,6 @@ config_after_install() {
             echo -e "###############################################"
             echo -e "${green}user name:${usernameTemp}${plain}"
             echo -e "${green}user password:${passwordTemp}${plain}"
-            echo -e "${red}web port:${portTemp}${plain}"
             echo -e "###############################################"
             echo -e "${red}if you forgot your login info,you can type x-ui and then type 7 to check after installation${plain}"
         else
@@ -134,20 +112,20 @@ install_x-ui() {
     cd /usr/local/
 
     if [ $# == 0 ]; then
-        last_version=$(curl -Ls "https://api.github.com/repos/mhsanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+        last_version=$(curl -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
         if [[ ! -n "$last_version" ]]; then
             echo -e "${red}Failed to fetch x-ui version, it maybe due to Github API restrictions, please try it later${plain}"
             exit 1
         fi
         echo -e "Got x-ui latest version: ${last_version}, beginning the installation..."
-        wget -N --no-check-certificate -O /usr/local/x-ui-linux-${arch}.tar.gz https://github.com/mhsanaei/3x-ui/releases/download/${last_version}/x-ui-linux-${arch}.tar.gz
+        wget -N --no-check-certificate -O /usr/local/x-ui-linux-${arch}.tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${last_version}/x-ui-linux-${arch}.tar.gz
         if [[ $? -ne 0 ]]; then
             echo -e "${red}Downloading x-ui failed, please be sure that your server can access Github ${plain}"
             exit 1
         fi
     else
         last_version=$1
-        url="https://github.com/mhsanaei/3x-ui/releases/download/${last_version}/x-ui-linux-${arch}.tar.gz"
+        url="https://github.com/MHSanaei/3x-ui/releases/download/${last_version}/x-ui-linux-${arch}.tar.gz"
         echo -e "Begining to install x-ui $1"
         wget -N --no-check-certificate -O /usr/local/x-ui-linux-${arch}.tar.gz ${url}
         if [[ $? -ne 0 ]]; then
@@ -165,7 +143,7 @@ install_x-ui() {
     cd x-ui
     chmod +x x-ui bin/xray-linux-${arch}
     cp -f x-ui.service /etc/systemd/system/
-    wget --no-check-certificate -O /usr/bin/x-ui https://raw.githubusercontent.com/mhsanaei/3x-ui/main/x-ui.sh
+    wget --no-check-certificate -O /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh
     chmod +x /usr/local/x-ui/x-ui.sh
     chmod +x /usr/bin/x-ui
     config_after_install
diff --git a/x-ui.sh b/x-ui.sh
index c1dfa67e..366aef51 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -21,26 +21,12 @@ function LOGI() {
 [[ $EUID -ne 0 ]] && LOGE "ERROR: You must be root to run this script! \n" && exit 1
 
 # Check OS and set release variable
-if [[ -f /etc/redhat-release ]]; then
-    if grep -Eqi "CentOS" /etc/redhat-release; then
-        release="centos"
-    elif grep -Eqi "Fedora" /etc/redhat-release; then
-        release="fedora"
-    fi
-elif grep -Eqi "debian" /etc/issue; then
-    release="debian"
-elif grep -Eqi "ubuntu" /etc/issue; then
-    release="ubuntu"
-elif grep -Eqi "centos" /etc/issue; then
-    release="centos"
-elif grep -Eqi "debian" /proc/version; then
-    release="debian"
-elif grep -Eqi "ubuntu" /proc/version; then
-    release="ubuntu"
-elif grep -Eqi "centos" /proc/version; then
-    release="centos"
-elif grep -Eqi "fedora" /proc/version; then
-    release="fedora"
+if [[ -f /etc/os-release ]]; then
+    source /etc/os-release
+    release=$ID
+elif [[ -f /usr/lib/os-release ]]; then
+    source /usr/lib/os-release
+    release=$ID
 else
     echo "Failed to check the system OS, please contact the author!" >&2
     exit 1
@@ -48,48 +34,30 @@ fi
 
 echo "The OS release is: $release"
 
+
 os_version=""
+os_version=$(grep -i version_id /etc/os-release | cut -d \" -f2 | cut -d . -f1)
 
-# os version
-if [[ -f /etc/os-release ]]; then
-    os_version=$(awk -F'[= ."]' '/VERSION_ID/{print $3}' /etc/os-release)
-elif [[ -f /etc/lsb-release ]]; then
-    os_version=$(awk -F'[= ."]+' '/DISTRIB_RELEASE/{print $2}' /etc/lsb-release)
-elif [[ -f /etc/fedora-release ]]; then
-    os_version=$(awk -F'[= ]+' '/release/{print $3}' /etc/fedora-release)
+if [[ x"${release}" == x"centos" ]]; then
+    if [[ ${os_version} -lt 8 ]]; then
+        echo -e "${red} Please use CentOS 8 or higher ${plain}\n" && exit 1
+    fi
+elif [[ x"${release}" ==  "ubuntu" ]]; then
+    if [[ ${os_version} -lt 20 ]]; then
+        echo -e "${red}please use Ubuntu 20 or higher version！${plain}\n" && exit 1
+    fi
+
+elif [[ x"${release}" == "fedora" ]]; then
+    if [[ ${os_version} -lt 36 ]]; then
+        echo -e "${red}please use Fedora 36 or higher version！${plain}\n" && exit 1
+    fi
+
+elif [[ x"${release}" == "debian" ]]; then
+    if [[ ${os_version} -lt 10 ]]; then
+        echo -e "${red} Please use Debian 10 or higher ${plain}\n" && exit 1
+    fi
 fi
 
-case "${release}" in
-    centos)
-        if [[ ${os_version} -le 8 ]]; then
-            echo "Please use CentOS 8 or higher version!"
-            exit 2
-        fi
-        ;;
-    ubuntu)
-        if [[ ${os_version} -lt 20 ]]; then
-            echo "Please use Ubuntu 20 or higher version!"
-            exit 2
-        fi
-        ;;
-    debian)
-        if [[ ${os_version} -lt 10 ]]; then
-            echo "Please use Debian 10 or higher version!"
-            exit 2
-        fi
-        ;;
-    fedora)
-        if [[ ${os_version} -lt 29 ]]; then
-            echo "Please use Fedora 29 or higher version!"
-            exit 2
-        fi
-        ;;
-    *)
-        echo "Unknown release type '${release}'"
-        exit 2
-        ;;
-esac
-
 
 confirm() {
     if [[ $# > 1 ]]; then
@@ -122,7 +90,7 @@ before_show_menu() {
 }
 
 install() {
-    bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/main/install.sh)
+    bash <(curl -Ls https://raw.githubusercontent.com/MHSanaei/3x-ui/main/install.sh)
     if [[ $? == 0 ]]; then
         if [[ $# == 0 ]]; then
             start
@@ -141,7 +109,7 @@ update() {
         fi
         return 0
     fi
-    bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/main/install.sh)
+    bash <(curl -Ls https://raw.githubusercontent.com/MHSanaei/3x-ui/main/install.sh)
     if [[ $? == 0 ]]; then
         LOGI "Update is complete, Panel has automatically restarted "
         exit 0
@@ -354,7 +322,7 @@ fi
 }
 
 update_shell() {
-    wget -O /usr/bin/x-ui -N --no-check-certificate https://github.com/mhsanaei/3x-ui/raw/main/x-ui.sh
+    wget -O /usr/bin/x-ui -N --no-check-certificate https://github.com/MHSanaei/3x-ui/raw/main/x-ui.sh
     if [[ $? != 0 ]]; then
         echo ""
         LOGE "Failed to download script，Please check whether the machine can connect Github"
@@ -709,8 +677,8 @@ show_menu() {
   ${green}11.${plain} Check x-ui Status
   ${green}12.${plain} Check x-ui Logs
 ————————————————
-  ${green}13.${plain} Enable x-ui On Sysyem Startup
-  ${green}14.${plain} Disabel x-ui On Sysyem Startup
+  ${green}13.${plain} Enable x-ui On System Startup
+  ${green}14.${plain} Disabel x-ui On System Startup
 ————————————————
   ${green}15.${plain} Enable BBR 
   ${green}16.${plain} Issuse Certs