diff --git a/install.sh b/install.sh
index 9e62730..54a8c60 100644
--- a/install.sh
+++ b/install.sh
@@ -1152,31 +1152,22 @@ build_upload_tool() {
     # 创建dist目录
     mkdir -p dist
 
-    # 下载地址（可配置）
-    TOOL_DOWNLOAD_URL_WINDOWS="http://a.haory.top/e/e82/玩玩云上传工具.exe"
-    TOOL_DOWNLOAD_URL_LINUX="http://a.haory.top/e/e82/玩玩云上传工具.exe"  # Linux用户下载后需用Wine运行，或联系管理员获取Linux版本
+    # 下载地址（Windows版本）
+    TOOL_DOWNLOAD_URL="http://a.haory.top/e/e82/玩玩云上传工具.exe"
+    TOOL_FILENAME="玩玩云上传工具.exe"
 
-    # 根据操作系统选择下载链接
-    if [[ "$OS" == "ubuntu" ]] || [[ "$OS" == "debian" ]] || [[ "$OS" == "centos" ]] || [[ "$OS" == "rhel" ]]; then
-        DOWNLOAD_URL="$TOOL_DOWNLOAD_URL_LINUX"
-        TOOL_FILENAME="玩玩云上传工具"
-        print_info "检测到Linux系统，下载Linux版本上传工具..."
-    else
-        DOWNLOAD_URL="$TOOL_DOWNLOAD_URL_WINDOWS"
-        TOOL_FILENAME="玩玩云上传工具.exe"
-        print_info "下载Windows版本上传工具..."
-    fi
+    print_info "正在下载上传工具..."
 
     # 尝试下载
     if command -v wget &> /dev/null; then
-        wget -q --show-progress -O "dist/${TOOL_FILENAME}" "$DOWNLOAD_URL" || {
+        wget -q --show-progress -O "dist/${TOOL_FILENAME}" "$TOOL_DOWNLOAD_URL" || {
             print_warning "上传工具下载失败"
             print_info "用户仍可使用网页上传（本地存储）或SFTP客户端"
             echo ""
             return 0
         }
     elif command -v curl &> /dev/null; then
-        curl -L -o "dist/${TOOL_FILENAME}" "$DOWNLOAD_URL" || {
+        curl -L -o "dist/${TOOL_FILENAME}" "$TOOL_DOWNLOAD_URL" || {
             print_warning "上传工具下载失败"
             print_info "用户仍可使用网页上传（本地存储）或SFTP客户端"
             echo ""