diff --git a/1.sh b/1.sh
index b5e6759..0e1ef4f 100644
--- a/1.sh
+++ b/1.sh
@@ -9,23 +9,21 @@ set -e  # 遇到错误即退出
 trap 'echo "Error on line $LINENO"' ERR
 
 # 先检查是 Debian 还是 Alpine
-if [ -f /etc/os-release ]; then
-    . /etc/os-release
-    OS=$NAME
-    VERSION=$VERSION_ID
+if [ -f /etc/debian_version ]; then
+    SYSTEM_TYPE="debian"
+elif [ -f /etc/alpine-release ]; then
+    SYSTEM_TYPE="alpine"
 else
-    echo "无法检测系统类型，请确保系统支持 /etc/os-release"
+    echo "不支持的系统类型"
     exit 1
 fi
 
 # 检查系统类型
-if [[ $OS == *"Debian"* ]]; then
-    echo "检测到 Debian 系统，版本: $VERSION"
-    SYSTEM_TYPE="debian"
-elif [[ $OS == *"Alpine"* ]]; then
-    echo "检测到 Alpine 系统，版本: $VERSION"
-    SYSTEM_TYPE="alpine"
+if [[ $SYSTEM_TYPE == *"Debian"* ]]; then
+    echo "检测到 Debian 系统"
+elif [[ $SYSTEM_TYPE == *"Alpine"* ]]; then
+    echo "检测到 Alpine 系统"
 else
-    echo "不支持的系统类型: $OS"
+    echo "不支持的系统类型: $SYSTEM_TYPE"
     exit 1
 fi