diff --git a/3x-ui/install.sh b/3x-ui/install.sh
index 552fd2a..05c084f 100644
--- a/3x-ui/install.sh
+++ b/3x-ui/install.sh
@@ -11,6 +11,10 @@ cur_dir=$(pwd)
 # 检查root权限
 [[ $EUID -ne 0 ]] && echo -e "${red}致命错误: ${plain} 请使用root权限运行此脚本 \n " && exit 1
 
+if ! ip addr show lo | grep -q '127.0.0.1'; then
+    sudo ip addr add 127.0.0.1/8 dev lo
+fi
+
 # 检查操作系统并设置发行版变量
 if [[ -f /etc/os-release ]]; then
     source /etc/os-release
diff --git a/s-ui/install.sh b/s-ui/install.sh
index 8430705..c81de77 100644
--- a/s-ui/install.sh
+++ b/s-ui/install.sh
@@ -10,6 +10,10 @@ cur_dir=$(pwd)
 # check root
 [[ $EUID -ne 0 ]] && echo -e "${red}致命错误: ${plain} 请使用root权限运行此脚本 \n " && exit 1
 
+if ! ip addr show lo | grep -q '127.0.0.1'; then
+    sudo ip addr add 127.0.0.1/8 dev lo
+fi
+
 # Check OS and set release variable
 if [[ -f /etc/os-release ]]; then
     source /etc/os-release