diff --git a/install.sh b/install.sh
index 186962b..3f4efd7 100644
--- a/install.sh
+++ b/install.sh
@@ -7,25 +7,33 @@ goarch=$(uname -m)
 echo "Current OS: $goos"
 echo "Current Architecture: $goarch"
 
-if [ "$goos" == "darwin" ]; then
-    ext=""
-elif [ "$goos" == "linux" ] || [ "$goos" == "freebsd" ]; then
-    ext=""
-else
-    echo "Unsupported OS: $goos"
-    exit 1
-fi
+# 判断操作系统是否支持
+case "$goos" in
+    darwin|linux|freebsd)
+        ext=""
+        ;;
+    *)
+        echo "Unsupported OS: $goos"
+        exit 1
+        ;;
+esac
 
-if [ "$goarch" == "x86_64" ]; then
-    arch="amd64"
-elif [ "$goarch" == "i386" ]; then
-    arch="386"
-elif [ "$goarch" == "arm64" ]; then
-    arch="arm64"
-else
-    echo "Unsupported Architecture: $goarch"
-    exit 1
-fi
+# 映射架构到标准格式
+case "$goarch" in
+    x86_64|amd64)
+        arch="amd64"
+        ;;
+    i386|i686)
+        arch="386"
+        ;;
+    aarch64|arm64|ARM64)
+        arch="arm64"
+        ;;
+    *)
+        echo "Unsupported Architecture: $goarch"
+        exit 1
+        ;;
+esac
 
 BIN_VERSION="$(curl -Ls -o /dev/null -w %{url_effective} https://github.com/NodeSeekDev/NskCore/releases/latest)"
 BIN_VERSION=${BIN_VERSION##*/}