diff --git a/x-ui.sh b/x-ui.sh
index 88e5a7bb..aecba2ea 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -474,7 +474,7 @@ enable_bbr() {
     ubuntu | debian | armbian)
         apt-get update && apt-get install -yqq --no-install-recommends ca-certificates
         ;;
-    centos | almalinux | rocky | ol)
+    centos | rhel | almalinux | rocky | ol)
         yum -y update && yum -y install ca-certificates
         ;;
     fedora | amzn | virtuozzo)
@@ -995,7 +995,7 @@ ssl_cert_issue() {
     ubuntu | debian | armbian)
         apt update && apt install socat -y
         ;;
-    centos | almalinux | rocky | ol)
+    centos | rhel | almalinux | rocky | ol)
         yum -y update && yum -y install socat
         ;;
     fedora | amzn | virtuozzo)
@@ -1511,7 +1511,7 @@ install_iplimit() {
         debian | armbian)
             apt update && apt install fail2ban -y
             ;;
-        centos | almalinux | rocky | ol)
+        centos | rhel | almalinux | rocky | ol)
             yum update -y && yum install epel-release -y
             yum -y install fail2ban
             ;;
@@ -1591,7 +1591,7 @@ remove_iplimit() {
             apt-get purge -y fail2ban -y
             apt-get autoremove -y
             ;;
-        centos | almalinux | rocky | ol)
+        centos | rhel | almalinux | rocky | ol)
             yum remove fail2ban -y
             yum autoremove -y
             ;;