diff --git a/README.md b/README.md
index 5408b6a..d4efe8a 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,9 @@ Quickly convert your Alpine Linux host/vm into a Clash-based gateway.
 2. Please configure your network during the installation. Static IP is recommended but not mandatory.
 3. Run following command
 ```
-wget -O - https://cdn.jsdelivr.net/gh/yangliu/alpine-clash-gateway@main/scripts/install.sh | sh
+wget -O - https://cdn.jsdelivr.net/gh/yangliu/alpine-clash-gateway@0.1.1/scripts/install.sh | sh
 ```
 or
 ```
-wget -O - https://cdn.jsdelivr.net/gh/yangliu/alpine-clash-gateway@main/scripts/install.sh | sh -s /etc/acg
+wget -O - https://cdn.jsdelivr.net/gh/yangliu/alpine-clash-gateway@0.1.1/scripts/install.sh | sh -s /etc/acg
 ```
\ No newline at end of file
diff --git a/scripts/install.sh b/scripts/install.sh
index 75bf684..1562620 100644
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+ver="0.1.1"
 
 if [ -z ${1} ]; then
   acg_path="/opt/acg"
@@ -9,10 +10,10 @@ fi
 [ ! -d "${acg_path}" ] && mkdir -p "${acg_path}"
 
 [ -f /tmp/acg.zip ] && rm /tmp/acg.zip
-[ -d /tmp/alpine-clash-gateway-main ] && rm -rf /tmp/alpine-clash-gateway-main
-wget -O /tmp/acg.zip https://github.com/yangliu/alpine-clash-gateway/archive/main.zip
+[ -d "/tmp/alpine-clash-gateway-${ver}" ] && rm -rf "/tmp/alpine-clash-gateway-${ver}"
+wget -O /tmp/acg.zip "https://github.com/yangliu/alpine-clash-gateway/archive/${ver}.zip"
 unzip /tmp/acg.zip -d /tmp
-cp -R /tmp/alpine-clash-gateway-main/* "${acg_path}/"
+cp -R /tmp/alpine-clash-gateway-${ver}/* "${acg_path}/"
 escaped_acg_path=$(printf '%s\n' "${acg_path}" | sed -e 's/[]\/$*.^[]/\\&/g');
 sed -i "s/acg_path=\"\/opt\/acg\"/acg_path=\"${escaped_acg_path}\"/g" "${acg_path}/files/acg"
 sed -i "s/acg_path=\"\/opt\/acg\"/acg_path=\"${escaped_acg_path}\"/g" "${acg_path}/scripts/clash-proxy"