diff --git a/install.sh b/install.sh
index 39997b7..33a3ad3 100644
--- a/install.sh
+++ b/install.sh
@@ -1138,36 +1138,63 @@ create_data_directories() {
 }
 
 build_upload_tool() {
-    print_step "打包上传工具..."
+    print_step "下载上传工具..."
 
     cd "${PROJECT_DIR}/upload-tool"
 
-    # 检查build.sh是否存在
-    if [[ ! -f "build.sh" ]]; then
-        print_warning "build.sh不存在，跳过上传工具打包"
-        echo ""
-        return 0
-    fi
-
-    # 添加执行权限
-    chmod +x build.sh
-
-    # 检查是否已存在exe或可执行文件
+    # 检查是否已存在可执行文件
     if [[ -f "dist/玩玩云上传工具.exe" ]] || [[ -f "dist/玩玩云上传工具" ]]; then
-        print_success "上传工具已存在，跳过打包"
+        print_success "上传工具已存在，跳过下载"
         echo ""
         return 0
     fi
 
-    # 执行打包
-    print_info "开始打包上传工具（这可能需要几分钟）..."
-    if bash build.sh > /dev/null 2>&1; then
-        print_success "上传工具打包完成"
+    # 创建dist目录
+    mkdir -p dist
+
+    # 下载地址（可配置）
+    TOOL_DOWNLOAD_URL_WINDOWS="https://gitee.com/yu-yon/vue-driven-cloud-storage/releases/download/v1.2.5/玩玩云上传工具.exe"
+    TOOL_DOWNLOAD_URL_LINUX="https://gitee.com/yu-yon/vue-driven-cloud-storage/releases/download/v1.2.5/玩玩云上传工具"
+
+    # 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
-        print_warning "上传工具打包失败，用户仍可正常使用SFTP上传"
-        print_info "如需上传工具，请手动运行: cd ${PROJECT_DIR}/upload-tool && bash build.sh"
+        DOWNLOAD_URL="$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
 
+    # 尝试下载
+    if command -v wget &> /dev/null; then
+        wget -q --show-progress -O "dist/${TOOL_FILENAME}" "$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" || {
+            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
+        }
+    else
+        print_warning "未找到wget或curl，无法下载上传工具"
+        print_info "用户仍可使用网页上传（本地存储）或SFTP客户端"
+        echo ""
+        return 0
+    fi
+
+    # 添加执行权限（Linux版本）
+    if [[ "$TOOL_FILENAME" != *.exe ]]; then
+        chmod +x "dist/${TOOL_FILENAME}"
+    fi
+
+    print_success "上传工具下载完成: dist/${TOOL_FILENAME}"
     echo ""
 }