diff --git a/README.es_ES.md b/README.es_ES.md
index efbc846d..cc935be3 100644
--- a/README.es_ES.md
+++ b/README.es_ES.md
@@ -222,7 +222,7 @@ location /sub {
 - Arch Linux
 - Manjaro
 - Armbian
-- AlmaLinux 9+
+- AlmaLinux 8+
 - Rockylinux 9+
 - OpenSUSE Tubleweed
 - Amazon Linux 2023
diff --git a/README.md b/README.md
index a1359756..02c476a8 100644
--- a/README.md
+++ b/README.md
@@ -250,7 +250,7 @@ location /sub {
 - Parch Linux
 - Manjaro
 - Armbian
-- AlmaLinux 9+
+- AlmaLinux 8+
 - Rocky Linux 9+
 - Oracle Linux 8+
 - OpenSUSE Tubleweed
diff --git a/README.ru_RU.md b/README.ru_RU.md
index 21925394..65419a31 100644
--- a/README.ru_RU.md
+++ b/README.ru_RU.md
@@ -249,7 +249,7 @@ location /sub {
 - Parch Linux
 - Manjaro
 - Armbian
-- AlmaLinux 9+
+- AlmaLinux 8+
 - Rocky Linux 9+
 - Oracle Linux 8+
 - OpenSUSE Tubleweed
diff --git a/README.zh_CN.md b/README.zh_CN.md
index f57df5b8..94b3b597 100644
--- a/README.zh_CN.md
+++ b/README.zh_CN.md
@@ -245,7 +245,7 @@ location /sub {
 - Arch Linux
 - Manjaro
 - Armbian
-- AlmaLinux 9+
+- AlmaLinux 8+
 - Rockylinux 9+
 - OpenSUSE Tubleweed
 - Amazon Linux 2023
diff --git a/install.sh b/install.sh
index 2fe66b08..ea60eb54 100644
--- a/install.sh
+++ b/install.sh
@@ -39,7 +39,7 @@ arch() {
 echo "arch: $(arch)"
 
 os_version=""
-os_version=$(grep "^VERSION_ID" /etc/os-release | cut -d '=' -f2 | tr -d '"')
+os_version=$(grep "^VERSION_ID" /etc/os-release | cut -d '=' -f2 | tr -d '"' | tr -d '.')
 
 if [[ "${release}" == "arch" ]]; then
     echo "Your OS is Arch Linux"
@@ -56,7 +56,7 @@ elif [[ "${release}" == "centos" ]]; then
         echo -e "${red} Please use CentOS 8 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "ubuntu" ]]; then
-    if [[ ${os_version} -lt 20 ]]; then
+    if [[ ${os_version} -lt 2004 ]]; then
         echo -e "${red} Please use Ubuntu 20 or higher version!${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "fedora" ]]; then
@@ -72,8 +72,8 @@ elif [[ "${release}" == "debian" ]]; then
         echo -e "${red} Please use Debian 11 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "almalinux" ]]; then
-    if [[ ${os_version} -lt 9 ]]; then
-        echo -e "${red} Please use AlmaLinux 9 or higher ${plain}\n" && exit 1
+    if [[ ${os_version} -lt 8 ]]; then
+        echo -e "${red} Please use AlmaLinux 8 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "rocky" ]]; then
     if [[ ${os_version} -lt 9 ]]; then
@@ -94,7 +94,7 @@ else
     echo "- Parch Linux"
     echo "- Manjaro"
     echo "- Armbian"
-    echo "- AlmaLinux 9+"
+    echo "- AlmaLinux 8+"
     echo "- Rocky Linux 9+"
     echo "- Oracle Linux 8+"
     echo "- OpenSUSE Tumbleweed"
diff --git a/x-ui.sh b/x-ui.sh
index 46449217..9067ef4f 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -36,7 +36,7 @@ fi
 echo "The OS release is: $release"
 
 os_version=""
-os_version=$(grep "^VERSION_ID" /etc/os-release | cut -d '=' -f2 | tr -d '"')
+os_version=$(grep "^VERSION_ID" /etc/os-release | cut -d '=' -f2 | tr -d '"' | tr -d '.')
 
 if [[ "${release}" == "arch" ]]; then
     echo "Your OS is Arch Linux"
@@ -53,7 +53,7 @@ elif [[ "${release}" == "centos" ]]; then
         echo -e "${red} Please use CentOS 8 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "ubuntu" ]]; then
-    if [[ ${os_version} -lt 20 ]]; then
+    if [[ ${os_version} -lt 2004 ]]; then
         echo -e "${red} Please use Ubuntu 20 or higher version!${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "fedora" ]]; then
@@ -69,8 +69,8 @@ elif [[ "${release}" == "debian" ]]; then
         echo -e "${red} Please use Debian 11 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "almalinux" ]]; then
-    if [[ ${os_version} -lt 9 ]]; then
-        echo -e "${red} Please use AlmaLinux 9 or higher ${plain}\n" && exit 1
+    if [[ ${os_version} -lt 8 ]]; then
+        echo -e "${red} Please use AlmaLinux 8 or higher ${plain}\n" && exit 1
     fi
 elif [[ "${release}" == "rocky" ]]; then
     if [[ ${os_version} -lt 9 ]]; then
@@ -91,7 +91,7 @@ else
     echo "- Parch Linux"
     echo "- Manjaro"
     echo "- Armbian"
-    echo "- AlmaLinux 9+"
+    echo "- AlmaLinux 8+"
     echo "- Rocky Linux 9+"
     echo "- Oracle Linux 8+"
     echo "- OpenSUSE Tumbleweed"