diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/QrCodeUtil.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/QrCodeUtil.java
new file mode 100644
index 0000000..3e6c6f1
--- /dev/null
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/QrCodeUtil.java
@@ -0,0 +1,482 @@
+package com.zdxt.enforcementcode.util;
+
+import cn.hutool.core.util.IdUtil;
+import com.google.zxing.*;
+import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import com.zdxt.enforcementcode.domain.bo.QrCodeGenerateHistoryBo;
+import com.zdxt.enforcementcode.domain.bo.ZdxtFileBo;
+import com.zdxt.enforcementcode.domain.vo.QrCodeGenerateHistoryVo;
+import com.zdxt.enforcementcode.service.IQrCodeGenerateHistoryService;
+import com.zdxt.enforcementcode.service.IZdxtFileService;
+import lombok.extern.slf4j.Slf4j;
+import org.dromara.common.core.domain.model.LoginUser;
+import org.dromara.common.core.exception.ServiceException;
+import org.dromara.common.oss.core.OssClient;
+import org.dromara.common.oss.entity.UploadResult;
+import org.dromara.common.oss.factory.OssFactory;
+import org.dromara.common.satoken.utils.LoginHelper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.RoundRectangle2D;
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Date;
+import java.util.Hashtable;
+
+/**
+ * 二维码生成工具类
+ * <p>
+ * 提供二维码的生成、解析、本地存储以及 OSS 上传功能。
+ * 生成后自动保存附件记录（zdxt_file 表）和二维码生成历史（qr_code_generate_history 表）。
+ * 路径处理兼容 Windows 和 Linux。
+ * </p>
+ *
+ * @author zdxt
+ */
+@Slf4j
+@Component
+public class QrCodeUtil {
+
+    private static IQrCodeGenerateHistoryService historyService;
+    private static IZdxtFileService fileService;
+
+    @Autowired
+    public void setHistoryService(IQrCodeGenerateHistoryService historyService) {
+        QrCodeUtil.historyService = historyService;
+    }
+
+    @Autowired
+    public void setFileService(IZdxtFileService fileService) {
+        QrCodeUtil.fileService = fileService;
+    }
+
+    // ==================== 常量 ====================
+
+    private static final String CHARSET = "utf-8";
+    private static final String IMAGE_FORMAT = "jpg";
+    private static final String IMAGE_SUFFIX = ".jpg";
+    private static final String IMAGE_CONTENT_TYPE = "image/jpeg";
+    /** 默认二维码尺寸（像素） */
+    private static final int DEFAULT_QR_SIZE = 300;
+    /** LOGO 最大宽度 */
+    private static final int LOGO_WIDTH = 60;
+    /** LOGO 最大高度 */
+    private static final int LOGO_HEIGHT = 60;
+    /** 蓝色二维码前景色 */
+    private static final int BLUE_FOREGROUND_COLOR = 0xFF003399;
+    /** classpath 中的默认 LOGO 图片路径 */
+    private static final String LOGO_CLASSPATH = "images/enterprise_pub_qrcode_logo.jpg";
+
+    // ==================== 生成 + 保存（核心业务方法） ====================
+
+    /**
+     * 生成标准黑白二维码，上传到 OSS，保存 zdxt_file 和 qr_code_generate_history 记录
+     *
+     * @param content          二维码内容（通常为 URL）
+     * @param enterpriseNumber 企业纳税识别号
+     * @param businessId       关联的业务ID
+     * @return 二维码生成历史记录
+     */
+    public static QrCodeGenerateHistoryVo generateAndSave(String content, String enterpriseNumber,
+                                                          String businessId) {
+        return generateAndSave(content, enterpriseNumber, businessId, null, DEFAULT_QR_SIZE);
+    }
+
+    /**
+     * 生成标准黑白二维码（可指定分类代码和尺寸），上传到 OSS 并保存记录
+     *
+     * @param content          二维码内容
+     * @param enterpriseNumber 企业纳税识别号
+     * @param businessId       关联的业务ID
+     * @param sortCode         分类代码（可为 null）
+     * @param size             二维码尺寸（像素）
+     * @return 二维码生成历史记录
+     */
+    public static QrCodeGenerateHistoryVo generateAndSave(String content, String enterpriseNumber,
+                                                          String businessId, String sortCode, int size) {
+        BufferedImage image = createQrCodeImage(content, size);
+        return uploadAndSaveRecords(image, enterpriseNumber, businessId, sortCode);
+    }
+
+    /**
+     * 生成蓝色二维码（含默认 LOGO），上传到 OSS 并保存记录
+     *
+     * @param content          二维码内容
+     * @param enterpriseNumber 企业纳税识别号
+     * @param businessId       关联的业务ID
+     * @param size             二维码尺寸（像素）
+     * @return 二维码生成历史记录
+     */
+    public static QrCodeGenerateHistoryVo generateBlueWithLogoAndSave(String content, String enterpriseNumber,
+                                                                      String businessId, int size) {
+        return generateBlueWithLogoAndSave(content, enterpriseNumber, businessId, null, size);
+    }
+
+    /**
+     * 生成蓝色二维码（含默认 LOGO、可指定分类代码），上传到 OSS 并保存记录
+     *
+     * @param content          二维码内容
+     * @param enterpriseNumber 企业纳税识别号
+     * @param businessId       关联的业务ID
+     * @param sortCode         分类代码（可为 null）
+     * @param size             二维码尺寸（像素）
+     * @return 二维码生成历史记录
+     */
+    public static QrCodeGenerateHistoryVo generateBlueWithLogoAndSave(String content, String enterpriseNumber,
+                                                                      String businessId, String sortCode, int size) {
+        BufferedImage image = createBlueQrCodeWithLogo(content, size);
+        return uploadAndSaveRecords(image, enterpriseNumber, businessId, sortCode);
+    }
+
+    // ==================== 纯图片生成方法 ====================
+
+    /**
+     * 创建标准黑白二维码图片
+     *
+     * @param content 二维码内容
+     * @param size    二维码尺寸（像素）
+     * @return BufferedImage
+     */
+    public static BufferedImage createQrCodeImage(String content, int size) {
+        return createQrCodeImage(content, null, size, false, 0xFF000000);
+    }
+
+    /**
+     * 创建带 LOGO 的二维码图片（LOGO 来自本地文件路径）
+     *
+     * @param content      二维码内容
+     * @param logoPath     LOGO 图片的本地文件路径
+     * @param size         二维码尺寸（像素）
+     * @param compressLogo 是否压缩 LOGO
+     * @return BufferedImage
+     */
+    public static BufferedImage createQrCodeImageWithLogo(String content, String logoPath,
+                                                          int size, boolean compressLogo) {
+        return createQrCodeImage(content, logoPath, size, compressLogo, 0xFF000000);
+    }
+
+    /**
+     * 创建蓝色二维码图片（含 classpath 中的默认 LOGO）
+     *
+     * @param content 二维码内容
+     * @param size    二维码尺寸（像素）
+     * @return BufferedImage
+     */
+    public static BufferedImage createBlueQrCodeWithLogo(String content, int size) {
+        BufferedImage image = createQrCodeImage(content, null, size, false, BLUE_FOREGROUND_COLOR);
+        try (InputStream logoStream = QrCodeUtil.class.getClassLoader().getResourceAsStream(LOGO_CLASSPATH)) {
+            if (logoStream != null) {
+                insertLogoFromStream(image, logoStream, size);
+            } else {
+                log.warn("LOGO 图片未找到: {}", LOGO_CLASSPATH);
+            }
+        } catch (Exception e) {
+            log.warn("插入 LOGO 失败: {}", e.getMessage());
+        }
+        return image;
+    }
+
+    /**
+     * 解析二维码图片内容
+     *
+     * @param file 二维码图片文件
+     * @return 解析出的文本内容，解析失败返回 null
+     */
+    public static String decodeQrCode(File file) {
+        try {
+            BufferedImage image = ImageIO.read(file);
+            if (image == null) {
+                return null;
+            }
+            BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
+            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
+            Hashtable<DecodeHintType, Object> hints = new Hashtable<>();
+            hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
+            Result result = new MultiFormatReader().decode(bitmap, hints);
+            return result.getText();
+        } catch (Exception e) {
+            log.error("解析二维码失败: {}", e.getMessage(), e);
+            throw new ServiceException("解析二维码失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 生成标准黑白二维码的 Base64 编码字符串（含 data:image 前缀）
+     *
+     * @param content 二维码内容
+     * @param size    二维码尺寸
+     * @return Base64 编码字符串
+     */
+    public static String toBase64(String content, int size) {
+        BufferedImage image = createQrCodeImage(content, size);
+        return imageToBase64(image);
+    }
+
+    /**
+     * 生成蓝色二维码（含 LOGO）的 Base64 编码字符串
+     *
+     * @param content 二维码内容
+     * @param size    二维码尺寸
+     * @return Base64 编码字符串
+     */
+    public static String toBlueBase64WithLogo(String content, int size) {
+        BufferedImage image = createBlueQrCodeWithLogo(content, size);
+        return imageToBase64(image);
+    }
+
+    // ==================== 本地文件操作（跨平台） ====================
+
+    /**
+     * 将二维码图片保存到指定本地目录（自动处理跨平台路径）
+     *
+     * @param image    二维码图片
+     * @param destDir  目标目录路径（支持 Windows 和 Linux 格式）
+     * @param fileName 文件名（含后缀）
+     * @return 保存后的文件路径
+     */
+    public static Path saveToLocal(BufferedImage image, String destDir, String fileName) {
+        try {
+            Path dirPath = Paths.get(destDir);
+            if (!Files.exists(dirPath)) {
+                Files.createDirectories(dirPath);
+            }
+            Path filePath = dirPath.resolve(fileName);
+            ImageIO.write(image, IMAGE_FORMAT, filePath.toFile());
+            log.info("二维码图片已保存到本地: {}", filePath.toAbsolutePath());
+            return filePath;
+        } catch (IOException e) {
+            log.error("保存二维码图片到本地失败: {}", e.getMessage(), e);
+            throw new ServiceException("保存二维码图片失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 将二维码图片保存到默认存储路径（跨平台）
+     *
+     * @param image    二维码图片
+     * @param fileName 文件名（含后缀）
+     * @return 保存后的文件路径
+     */
+    public static Path saveToLocal(BufferedImage image, String fileName) {
+        return saveToLocal(image, getDefaultStoragePath().toString(), fileName);
+    }
+
+    /**
+     * 获取跨平台默认存储路径
+     * <p>
+     * 使用系统临时目录，保证在 Windows 和 Linux 下都能正确运行：
+     * <ul>
+     *     <li>Windows: C:\Users\xxx\AppData\Local\Temp\zdxt\qrcode</li>
+     *     <li>Linux:   /tmp/zdxt/qrcode</li>
+     * </ul>
+     * </p>
+     *
+     * @return 默认存储路径
+     */
+    public static Path getDefaultStoragePath() {
+        return Paths.get(System.getProperty("java.io.tmpdir"), "zdxt", "qrcode");
+    }
+
+    // ==================== 内部方法 ====================
+
+    /**
+     * 上传二维码图片到 OSS，并保存 zdxt_file 和 qr_code_generate_history 记录
+     */
+    private static QrCodeGenerateHistoryVo uploadAndSaveRecords(BufferedImage image,
+                                                                String enterpriseNumber,
+                                                                String businessId,
+                                                                String sortCode) {
+        // 1. 图片转为字节数组
+        byte[] imageBytes = imageToBytes(image);
+        String fileName = "qrcode_" + IdUtil.fastSimpleUUID() + IMAGE_SUFFIX;
+
+        // 2. 上传到 OSS
+        OssClient storage = OssFactory.instance();
+        UploadResult uploadResult = storage.uploadSuffix(imageBytes, IMAGE_SUFFIX, IMAGE_CONTENT_TYPE);
+        String ossUrl = uploadResult.getUrl();
+
+        // 3. 保存 zdxt_file 附件记录
+        ZdxtFileBo fileBo = buildFileBo(fileName, businessId, sortCode, uploadResult, imageBytes.length);
+        Boolean fileSuccess = fileService.insertByBo(fileBo);
+        if (!fileSuccess) {
+            throw new ServiceException("保存二维码附件记录失败");
+        }
+        log.info("二维码附件记录已保存: guid={}, businessId={}", fileBo.getGuid(), businessId);
+
+        // 4. 保存 qr_code_generate_history 记录
+        QrCodeGenerateHistoryBo historyBo = new QrCodeGenerateHistoryBo();
+        historyBo.setId(IdUtil.fastSimpleUUID());
+        historyBo.setGenerateTime(new Date());
+        historyBo.setQrCodeUrl(ossUrl);
+        historyBo.setEnterpriseNumber(enterpriseNumber);
+        historyBo.setStatus(0L); // 0=有效
+        Boolean historySuccess = historyService.insertByBo(historyBo);
+        if (!historySuccess) {
+            throw new ServiceException("保存二维码生成历史失败");
+        }
+        log.info("二维码历史记录已保存: id={}, enterpriseNumber={}", historyBo.getId(), enterpriseNumber);
+
+        return historyService.queryById(historyBo.getId());
+    }
+
+    /**
+     * 构建 ZdxtFileBo 附件记录
+     */
+    private static ZdxtFileBo buildFileBo(String fileName, String businessId, String sortCode,
+                                          UploadResult uploadResult, int fileSize) {
+        ZdxtFileBo bo = new ZdxtFileBo();
+        bo.setGuid(IdUtil.fastSimpleUUID());
+        bo.setBusinessId(businessId);
+        bo.setSortCode(sortCode);
+        bo.setFileName(fileName);
+        bo.setUploadPath(uploadResult.getUrl());
+        bo.setUploadTime(new Date());
+        bo.setFileType(IMAGE_FORMAT);
+        bo.setFileSuffix(IMAGE_SUFFIX);
+        bo.setFileSaveName(uploadResult.getFilename());
+        bo.setFileSize(String.valueOf(fileSize));
+        bo.setIsDelete2(0L);
+
+        // 填充登录用户信息（如可用）
+        try {
+            LoginUser loginUser = LoginHelper.getLoginUser();
+            if (loginUser != null) {
+                bo.setUploadPersonId(LoginHelper.getUserIdStr());
+                bo.setUploadPersonName(loginUser.getNickname());
+                bo.setOrgCode(LoginHelper.getDeptId());
+                bo.setOrgName(LoginHelper.getDeptName());
+                bo.setSassId(LoginHelper.getTenantId());
+            }
+        } catch (Exception ignored) {
+            // 未登录场景忽略
+        }
+
+        return bo;
+    }
+
+    /**
+     * 生成二维码 BitMatrix 并渲染为 BufferedImage
+     *
+     * @param content         二维码内容
+     * @param logoPath        LOGO 文件路径（为 null 则不插入 LOGO）
+     * @param size            尺寸
+     * @param compressLogo    是否压缩 LOGO
+     * @param foregroundColor 前景色（如 0xFF000000 黑色，0xFF003399 蓝色）
+     * @return BufferedImage
+     */
+    private static BufferedImage createQrCodeImage(String content, String logoPath, int size,
+                                                   boolean compressLogo, int foregroundColor) {
+        try {
+            Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
+            hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+            hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
+            hints.put(EncodeHintType.MARGIN, 1);
+
+            BitMatrix bitMatrix = new MultiFormatWriter().encode(
+                content, BarcodeFormat.QR_CODE, size, size, hints);
+            int width = bitMatrix.getWidth();
+            int height = bitMatrix.getHeight();
+
+            BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+            for (int x = 0; x < width; x++) {
+                for (int y = 0; y < height; y++) {
+                    image.setRGB(x, y, bitMatrix.get(x, y) ? foregroundColor : 0xFFFFFFFF);
+                }
+            }
+
+            // 插入本地文件 LOGO（如果指定了路径）
+            if (logoPath != null && !logoPath.isEmpty()) {
+                File logoFile = new File(logoPath);
+                if (logoFile.exists()) {
+                    Image logo = ImageIO.read(logoFile);
+                    insertLogoImage(image, logo, compressLogo);
+                } else {
+                    log.warn("LOGO 文件不存在: {}", logoPath);
+                }
+            }
+
+            return image;
+        } catch (Exception e) {
+            log.error("生成二维码图片失败: {}", e.getMessage(), e);
+            throw new ServiceException("生成二维码失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 从 InputStream 读取 LOGO 并插入到二维码中央
+     */
+    private static void insertLogoFromStream(BufferedImage source, InputStream logoStream,
+                                             int qrSize) throws Exception {
+        Image logo = ImageIO.read(logoStream);
+        int logoWidth = Math.min(logo.getWidth(null), 100);
+        int logoHeight = Math.min(logo.getHeight(null), 100);
+        Image scaledLogo = logo.getScaledInstance(logoWidth, logoHeight, Image.SCALE_SMOOTH);
+
+        Graphics2D graph = source.createGraphics();
+        int x = (qrSize - logoWidth) / 2;
+        int y = (qrSize - logoHeight) / 2;
+        graph.drawImage(scaledLogo, x, y, logoWidth, logoHeight, null);
+        Shape shape = new RoundRectangle2D.Float(x, y, logoWidth, logoHeight, 6, 6);
+        graph.setStroke(new BasicStroke(3f));
+        graph.draw(shape);
+        graph.dispose();
+    }
+
+    /**
+     * 将 LOGO Image 插入到二维码中央
+     */
+    private static void insertLogoImage(BufferedImage source, Image logo, boolean compress) {
+        int width = logo.getWidth(null);
+        int height = logo.getHeight(null);
+
+        if (compress) {
+            width = Math.min(width, LOGO_WIDTH);
+            height = Math.min(height, LOGO_HEIGHT);
+            Image scaled = logo.getScaledInstance(width, height, Image.SCALE_SMOOTH);
+            BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+            Graphics g = tag.getGraphics();
+            g.drawImage(scaled, 0, 0, null);
+            g.dispose();
+            logo = scaled;
+        }
+
+        int qrSize = source.getWidth();
+        Graphics2D graph = source.createGraphics();
+        int x = (qrSize - width) / 2;
+        int y = (qrSize - height) / 2;
+        graph.drawImage(logo, x, y, width, height, null);
+        Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
+        graph.setStroke(new BasicStroke(3f));
+        graph.draw(shape);
+        graph.dispose();
+    }
+
+    /**
+     * BufferedImage 转为字节数组
+     */
+    private static byte[] imageToBytes(BufferedImage image) {
+        try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
+            ImageIO.write(image, IMAGE_FORMAT, baos);
+            return baos.toByteArray();
+        } catch (IOException e) {
+            throw new ServiceException("图片转换失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * BufferedImage 转为 Base64 编码字符串（含 data:image 前缀）
+     */
+    private static String imageToBase64(BufferedImage image) {
+        byte[] bytes = imageToBytes(image);
+        return "data:image/jpeg;base64," + java.util.Base64.getEncoder().encodeToString(bytes);
+    }
+}
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/ZdxtFileUtil.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/ZdxtFileUtil.java
new file mode 100644
index 0000000..b996d6d
--- /dev/null
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/util/ZdxtFileUtil.java
@@ -0,0 +1,476 @@
+package com.zdxt.enforcementcode.util;
+
+import cn.hutool.core.util.IdUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.zdxt.enforcementcode.domain.bo.ZdxtFileBo;
+import com.zdxt.enforcementcode.domain.vo.ZdxtFileVo;
+import com.zdxt.enforcementcode.service.IZdxtFileService;
+import lombok.extern.slf4j.Slf4j;
+import org.dromara.common.core.domain.model.LoginUser;
+import org.dromara.common.core.exception.ServiceException;
+import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.satoken.utils.LoginHelper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 附件工具类
+ * <p>
+ * 封装文件本地存储 + 附件记录（zdxt_file 表）的统一操作，
+ * 独立于 RuoYi OSS，文件直接保存到本地磁盘。
+ * 供业务模块直接调用，简化文件处理流程。
+ * </p>
+ * <p>
+ * 配置项（application.yml）：
+ * <pre>
+ * zdxt:
+ *   file:
+ *     upload-path: D:/zdxt/upload   # 文件存储根路径（Windows 示例）
+ *     url-prefix: /upload           # 文件访问 URL 前缀
+ * </pre>
+ * </p>
+ *
+ * @author zdxt
+ */
+@Slf4j
+@Component
+public class ZdxtFileUtil {
+
+    private static IZdxtFileService fileService;
+
+    /** 文件存储根路径 */
+    private static String uploadBasePath;
+
+    /** 文件访问 URL 前缀 */
+    private static String uploadUrlPrefix;
+
+    private static final DateTimeFormatter DATE_DIR_FORMAT = DateTimeFormatter.ofPattern("yyyy/MM/dd");
+
+    @Autowired
+    public void setFileService(IZdxtFileService fileService) {
+        ZdxtFileUtil.fileService = fileService;
+    }
+
+    @Value("${zdxt.file.upload-path:#{T(java.lang.System).getProperty('user.dir') + '/upload'}}")
+    public void setUploadBasePath(String path) {
+        ZdxtFileUtil.uploadBasePath = path;
+        log.info("ZdxtFileUtil 文件存储根路径: {}", path);
+    }
+
+    @Value("${zdxt.file.url-prefix:/upload}")
+    public void setUploadUrlPrefix(String prefix) {
+        ZdxtFileUtil.uploadUrlPrefix = prefix;
+    }
+
+    // ==================== 上传方法 ====================
+
+    /**
+     * 上传文件并保存附件记录（自动获取当前登录用户信息）
+     *
+     * @param file       上传的文件
+     * @param businessId 业务ID（关联的业务主键）
+     * @return 附件视图对象
+     */
+    public static ZdxtFileVo uploadFile(MultipartFile file, String businessId) {
+        return uploadFile(file, businessId, null);
+    }
+
+    /**
+     * 上传文件并保存附件记录，带分类代码（自动获取当前登录用户信息）
+     *
+     * @param file       上传的文件
+     * @param businessId 业务ID
+     * @param sortCode   分类代码
+     * @return 附件视图对象
+     */
+    public static ZdxtFileVo uploadFile(MultipartFile file, String businessId, String sortCode) {
+        LoginUser loginUser = LoginHelper.getLoginUser();
+        if (ObjectUtil.isNull(loginUser)) {
+            throw new ServiceException("用户未登录，无法上传文件");
+        }
+        String userId = LoginHelper.getUserIdStr();
+        String userName = loginUser.getNickname();
+        return uploadFile(file, businessId, sortCode, userId, userName);
+    }
+
+    /**
+     * 上传文件并保存附件记录（手动指定上传人信息）
+     *
+     * @param file       上传的文件
+     * @param businessId 业务ID
+     * @param sortCode   分类代码（可为 null）
+     * @param userId     上传人员ID
+     * @param userName   上传人员姓名
+     * @return 附件视图对象
+     */
+    public static ZdxtFileVo uploadFile(MultipartFile file, String businessId, String sortCode,
+                                        String userId, String userName) {
+        // 1. 校验文件
+        validateFile(file);
+
+        // 2. 解析文件信息
+        String originalFileName = file.getOriginalFilename();
+        String suffix = StringUtils.substring(originalFileName,
+            originalFileName.lastIndexOf("."), originalFileName.length());
+        String fileType = suffix.replace(".", "");
+        long fileSize = file.getSize();
+
+        // 3. 保存文件到本地磁盘
+        String datePath = LocalDate.now().format(DATE_DIR_FORMAT);
+        String saveName = IdUtil.fastSimpleUUID() + suffix;
+        String relativePath = datePath + "/" + saveName;
+        Path targetDir = Paths.get(uploadBasePath, datePath);
+        Path targetFile = targetDir.resolve(saveName);
+
+        try {
+            Files.createDirectories(targetDir);
+            try (InputStream is = file.getInputStream()) {
+                Files.copy(is, targetFile, StandardCopyOption.REPLACE_EXISTING);
+            }
+        } catch (IOException e) {
+            log.error("文件保存到本地失败: {}", e.getMessage(), e);
+            throw new ServiceException("文件上传失败: " + e.getMessage());
+        }
+
+        // 访问路径：urlPrefix + /日期路径/文件名
+        String accessUrl = uploadUrlPrefix + "/" + relativePath;
+
+        // 4. 构建附件记录并保存到数据库
+        ZdxtFileBo bo = new ZdxtFileBo();
+        bo.setGuid(IdUtil.fastSimpleUUID());
+        bo.setBusinessId(businessId);
+        bo.setSortCode(sortCode);
+        bo.setFileName(originalFileName);
+        bo.setUploadPersonId(userId);
+        bo.setUploadPersonName(userName);
+        bo.setUploadPath(accessUrl);
+        bo.setUploadTime(new Date());
+        bo.setFileType(fileType);
+        bo.setFileSuffix(suffix);
+        bo.setFileSaveName(saveName);
+        bo.setFileSize(String.valueOf(fileSize));
+        bo.setIsDelete2(0L);
+
+        // 填充机构信息（如果当前用户已登录）
+        try {
+            LoginUser loginUser = LoginHelper.getLoginUser();
+            if (loginUser != null) {
+                bo.setOrgCode(LoginHelper.getDeptId());
+                bo.setOrgName(LoginHelper.getDeptName());
+                bo.setSassId(LoginHelper.getTenantId());
+            }
+        } catch (Exception ignored) {
+            // 未登录场景（手动传入用户信息时）忽略
+        }
+
+        Boolean success = fileService.insertByBo(bo);
+        if (!success) {
+            throw new ServiceException("保存附件记录失败");
+        }
+
+        log.info("文件上传成功: fileName={}, businessId={}, guid={}, path={}",
+            originalFileName, businessId, bo.getGuid(), targetFile.toAbsolutePath());
+        return fileService.queryById(bo.getGuid());
+    }
+
+    /**
+     * 上传字节数组并保存附件记录（供内部或程序化调用，如二维码图片保存）
+     *
+     * @param data       文件字节内容
+     * @param fileName   文件名（含后缀，如 qrcode.jpg）
+     * @param businessId 业务ID
+     * @param sortCode   分类代码（可为 null）
+     * @return 附件视图对象
+     */
+    public static ZdxtFileVo uploadBytes(byte[] data, String fileName, String businessId, String sortCode) {
+        if (data == null || data.length == 0) {
+            throw new ServiceException("上传内容不能为空");
+        }
+        if (StringUtils.isBlank(fileName) || !fileName.contains(".")) {
+            throw new ServiceException("文件名不合法");
+        }
+
+        String suffix = fileName.substring(fileName.lastIndexOf("."));
+        String fileType = suffix.replace(".", "");
+
+        // 保存到本地
+        String datePath = LocalDate.now().format(DATE_DIR_FORMAT);
+        String saveName = IdUtil.fastSimpleUUID() + suffix;
+        String relativePath = datePath + "/" + saveName;
+        Path targetDir = Paths.get(uploadBasePath, datePath);
+        Path targetFile = targetDir.resolve(saveName);
+
+        try {
+            Files.createDirectories(targetDir);
+            Files.write(targetFile, data);
+        } catch (IOException e) {
+            log.error("字节数据保存到本地失败: {}", e.getMessage(), e);
+            throw new ServiceException("文件保存失败: " + e.getMessage());
+        }
+
+        String accessUrl = uploadUrlPrefix + "/" + relativePath;
+
+        ZdxtFileBo bo = new ZdxtFileBo();
+        bo.setGuid(IdUtil.fastSimpleUUID());
+        bo.setBusinessId(businessId);
+        bo.setSortCode(sortCode);
+        bo.setFileName(fileName);
+        bo.setUploadPath(accessUrl);
+        bo.setUploadTime(new Date());
+        bo.setFileType(fileType);
+        bo.setFileSuffix(suffix);
+        bo.setFileSaveName(saveName);
+        bo.setFileSize(String.valueOf(data.length));
+        bo.setIsDelete2(0L);
+
+        // 填充登录用户信息（如可用）
+        try {
+            LoginUser loginUser = LoginHelper.getLoginUser();
+            if (loginUser != null) {
+                bo.setUploadPersonId(LoginHelper.getUserIdStr());
+                bo.setUploadPersonName(loginUser.getNickname());
+                bo.setOrgCode(LoginHelper.getDeptId());
+                bo.setOrgName(LoginHelper.getDeptName());
+                bo.setSassId(LoginHelper.getTenantId());
+            }
+        } catch (Exception ignored) {
+        }
+
+        Boolean success = fileService.insertByBo(bo);
+        if (!success) {
+            throw new ServiceException("保存附件记录失败");
+        }
+
+        log.info("字节数据上传成功: fileName={}, businessId={}, guid={}", fileName, businessId, bo.getGuid());
+        return fileService.queryById(bo.getGuid());
+    }
+
+    /**
+     * 批量上传文件
+     *
+     * @param files      文件数组
+     * @param businessId 业务ID
+     * @return 附件视图对象列表
+     */
+    public static List<ZdxtFileVo> uploadFiles(MultipartFile[] files, String businessId) {
+        return uploadFiles(files, businessId, null);
+    }
+
+    /**
+     * 批量上传文件，带分类代码
+     *
+     * @param files      文件数组
+     * @param businessId 业务ID
+     * @param sortCode   分类代码
+     * @return 附件视图对象列表
+     */
+    public static List<ZdxtFileVo> uploadFiles(MultipartFile[] files, String businessId, String sortCode) {
+        if (files == null || files.length == 0) {
+            throw new ServiceException("上传文件不能为空");
+        }
+        return java.util.Arrays.stream(files)
+            .map(file -> uploadFile(file, businessId, sortCode))
+            .toList();
+    }
+
+    // ==================== 查询方法 ====================
+
+    /**
+     * 根据业务ID查询附件列表
+     *
+     * @param businessId 业务ID
+     * @return 附件列表
+     */
+    public static List<ZdxtFileVo> queryByBusinessId(String businessId) {
+        if (StringUtils.isBlank(businessId)) {
+            return Collections.emptyList();
+        }
+        ZdxtFileBo bo = new ZdxtFileBo();
+        bo.setBusinessId(businessId);
+        bo.setIsDelete2(0L);
+        return fileService.queryList(bo);
+    }
+
+    /**
+     * 根据业务ID和分类代码查询附件列表
+     *
+     * @param businessId 业务ID
+     * @param sortCode   分类代码
+     * @return 附件列表
+     */
+    public static List<ZdxtFileVo> queryByBusinessIdAndSortCode(String businessId, String sortCode) {
+        if (StringUtils.isBlank(businessId)) {
+            return Collections.emptyList();
+        }
+        ZdxtFileBo bo = new ZdxtFileBo();
+        bo.setBusinessId(businessId);
+        bo.setSortCode(sortCode);
+        bo.setIsDelete2(0L);
+        return fileService.queryList(bo);
+    }
+
+    /**
+     * 根据附件ID查询附件信息
+     *
+     * @param guid 附件主键ID
+     * @return 附件视图对象
+     */
+    public static ZdxtFileVo queryByGuid(String guid) {
+        if (StringUtils.isBlank(guid)) {
+            return null;
+        }
+        return fileService.queryById(guid);
+    }
+
+    // ==================== 删除方法 ====================
+
+    /**
+     * 根据附件ID删除单个附件（同时删除本地文件）
+     *
+     * @param guid 附件主键ID
+     * @return 是否删除成功
+     */
+    public static Boolean deleteByGuid(String guid) {
+        if (StringUtils.isBlank(guid)) {
+            return false;
+        }
+        deleteLocalFile(guid);
+        return fileService.deleteWithValidByIds(Collections.singletonList(guid), true);
+    }
+
+    /**
+     * 根据附件ID批量删除附件（同时删除本地文件）
+     *
+     * @param guids 附件主键ID集合
+     * @return 是否删除成功
+     */
+    public static Boolean deleteByGuids(List<String> guids) {
+        if (guids == null || guids.isEmpty()) {
+            return false;
+        }
+        guids.forEach(ZdxtFileUtil::deleteLocalFile);
+        return fileService.deleteWithValidByIds(guids, true);
+    }
+
+    /**
+     * 根据业务ID删除所有关联附件（同时删除本地文件）
+     *
+     * @param businessId 业务ID
+     * @return 是否删除成功
+     */
+    public static Boolean deleteByBusinessId(String businessId) {
+        if (StringUtils.isBlank(businessId)) {
+            return false;
+        }
+        List<ZdxtFileVo> files = queryByBusinessId(businessId);
+        if (files.isEmpty()) {
+            return true;
+        }
+        // 删除本地文件
+        files.forEach(f -> deleteLocalFileByPath(f.getUploadPath()));
+        List<String> guids = files.stream().map(ZdxtFileVo::getGuid).toList();
+        return fileService.deleteWithValidByIds(guids, true);
+    }
+
+    // ==================== 路径工具方法 ====================
+
+    /**
+     * 获取文件存储根路径
+     *
+     * @return 存储根路径
+     */
+    public static String getUploadBasePath() {
+        return uploadBasePath;
+    }
+
+    /**
+     * 获取文件访问 URL 前缀
+     *
+     * @return URL 前缀
+     */
+    public static String getUploadUrlPrefix() {
+        return uploadUrlPrefix;
+    }
+
+    /**
+     * 根据 uploadPath（访问URL）解析出本地磁盘绝对路径
+     *
+     * @param uploadPath 数据库中保存的访问路径，如 /upload/2026/04/15/xxx.txt
+     * @return 本地磁盘绝对路径
+     */
+    public static Path resolveLocalPath(String uploadPath) {
+        if (StringUtils.isBlank(uploadPath)) {
+            return null;
+        }
+        // 去掉 URL 前缀，得到相对路径
+        String relative = uploadPath;
+        if (relative.startsWith(uploadUrlPrefix)) {
+            relative = relative.substring(uploadUrlPrefix.length());
+        }
+        if (relative.startsWith("/")) {
+            relative = relative.substring(1);
+        }
+        return Paths.get(uploadBasePath, relative.replace("/", java.io.File.separator));
+    }
+
+    // ==================== 私有方法 ====================
+
+    /**
+     * 校验上传的文件
+     */
+    private static void validateFile(MultipartFile file) {
+        if (ObjectUtil.isNull(file) || file.isEmpty()) {
+            throw new ServiceException("上传文件不能为空");
+        }
+        String originalFileName = file.getOriginalFilename();
+        if (StringUtils.isBlank(originalFileName)) {
+            throw new ServiceException("文件名不能为空");
+        }
+        if (!originalFileName.contains(".")) {
+            throw new ServiceException("文件缺少后缀名");
+        }
+    }
+
+    /**
+     * 根据附件 guid 删除本地文件
+     */
+    private static void deleteLocalFile(String guid) {
+        try {
+            ZdxtFileVo vo = fileService.queryById(guid);
+            if (vo != null && StringUtils.isNotBlank(vo.getUploadPath())) {
+                deleteLocalFileByPath(vo.getUploadPath());
+            }
+        } catch (Exception e) {
+            log.warn("查询附件记录失败，跳过本地文件删除: guid={}", guid);
+        }
+    }
+
+    /**
+     * 根据 uploadPath 删除本地文件
+     */
+    private static void deleteLocalFileByPath(String uploadPath) {
+        try {
+            Path localPath = resolveLocalPath(uploadPath);
+            if (localPath != null && Files.exists(localPath)) {
+                Files.delete(localPath);
+                log.info("本地文件已删除: {}", localPath);
+            }
+        } catch (IOException e) {
+            log.warn("删除本地文件失败: {}, 原因: {}", uploadPath, e.getMessage());
+        }
+    }
+}
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_bg.jpg b/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_bg.jpg
new file mode 100644
index 0000000..ffe4cf8
Binary files /dev/null and b/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_bg.jpg differ
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_logo.jpg b/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_logo.jpg
new file mode 100644
index 0000000..64d2525
Binary files /dev/null and b/ruoyi-modules/zdxt-enforcement-code/src/main/resources/images/enterprise_pub_qrcode_logo.jpg differ
diff --git a/script/sql/zfjd-refactoring-v1/009-修改执法码相关的表.sql b/script/sql/zfjd-refactoring-v1/009-修改执法码相关的表.sql
index 2de2276..ac788fc 100644
--- a/script/sql/zfjd-refactoring-v1/009-修改执法码相关的表.sql
+++ b/script/sql/zfjd-refactoring-v1/009-修改执法码相关的表.sql
@@ -12,3 +12,6 @@ ALTER TABLE zdxt_file
     ADD COLUMN create_dept varchar(100) NULL COMMENT '创建部门' AFTER sass_id,
     ADD COLUMN create_by   varchar(50)       NULL COMMENT '创建者'   AFTER create_dept,
     ADD COLUMN update_by   varchar(50)       NULL COMMENT '更新者'   AFTER create_by
+
+ALTER TABLE zdxt_file
+    ADD COLUMN create_time datetime NULL COMMENT '创建时间' AFTER create_by
diff --git a/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/QrCodeUtilTest.java b/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/QrCodeUtilTest.java
new file mode 100644
index 0000000..e020fb0
--- /dev/null
+++ b/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/QrCodeUtilTest.java
@@ -0,0 +1,304 @@
+package org.dromara.test;
+
+import com.zdxt.enforcementcode.domain.vo.QrCodeGenerateHistoryVo;
+import com.zdxt.enforcementcode.util.QrCodeUtil;
+import org.junit.jupiter.api.*;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/**
+ * QrCodeUtil 二维码工具类测试用例
+ * <p>
+ * 分为两部分：
+ * 1. 纯图片生成测试（不依赖 OSS/DB，可独立运行）
+ * 2. 生成+保存集成测试（需要 Spring 上下文、OSS 和数据库）
+ * </p>
+ *
+ * @author zdxt
+ */
+@SpringBootTest
+@DisplayName("QrCodeUtil 二维码工具类测试")
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+public class QrCodeUtilTest {
+
+    /** 测试用二维码内容 */
+    private static final String TEST_CONTENT = "https://www.example.com/qr?id=test123";
+    /** 测试用企业纳税识别号 */
+    private static final String TEST_ENTERPRISE_NUMBER = "91110000TEST001";
+    /** 测试用业务ID */
+    private static final String TEST_BUSINESS_ID = "TEST_BIZ_QR_001";
+
+    // ==================== 纯图片生成测试 ====================
+
+    @DisplayName("生成标准黑白二维码图片")
+    @Test
+    @Order(1)
+    public void testCreateQrCodeImage() {
+        BufferedImage image = QrCodeUtil.createQrCodeImage(TEST_CONTENT, 300);
+
+        Assertions.assertNotNull(image, "生成的二维码图片不应为 null");
+        Assertions.assertEquals(300, image.getWidth(), "宽度应为 300");
+        Assertions.assertEquals(300, image.getHeight(), "高度应为 300");
+        System.out.println("标准二维码生成成功: " + image.getWidth() + "x" + image.getHeight());
+    }
+
+    @DisplayName("生成自定义尺寸二维码图片")
+    @Test
+    @Order(1)
+    public void testCreateQrCodeImageCustomSize() {
+        BufferedImage image = QrCodeUtil.createQrCodeImage(TEST_CONTENT, 500);
+
+        Assertions.assertNotNull(image, "生成的二维码图片不应为 null");
+        Assertions.assertTrue(image.getWidth() > 0, "宽度应大于0");
+        System.out.println("自定义尺寸二维码生成成功: " + image.getWidth() + "x" + image.getHeight());
+    }
+
+    @DisplayName("生成带本地 LOGO 的二维码图片")
+    @Test
+    @Order(1)
+    public void testCreateQrCodeImageWithLogo() {
+        // 先生成一个标准二维码保存为临时文件作为 LOGO
+        BufferedImage logoImage = QrCodeUtil.createQrCodeImage("LOGO", 60);
+        Path tempLogo = QrCodeUtil.saveToLocal(logoImage, "temp_logo.jpg");
+
+        try {
+            BufferedImage image = QrCodeUtil.createQrCodeImageWithLogo(
+                TEST_CONTENT, tempLogo.toAbsolutePath().toString(), 300, true);
+
+            Assertions.assertNotNull(image, "带 LOGO 二维码不应为 null");
+            System.out.println("带 LOGO 二维码生成成功");
+        } finally {
+            // 清理临时文件
+            tempLogo.toFile().delete();
+        }
+    }
+
+    @DisplayName("生成蓝色二维码（含默认 LOGO）")
+    @Test
+    @Order(1)
+    public void testCreateBlueQrCodeWithLogo() {
+        BufferedImage image = QrCodeUtil.createBlueQrCodeWithLogo(TEST_CONTENT, 300);
+
+        Assertions.assertNotNull(image, "蓝色二维码图片不应为 null");
+        Assertions.assertEquals(300, image.getWidth(), "宽度应为 300");
+
+        // 验证左上角像素为白色（margin 区域）
+        int topLeftPixel = image.getRGB(0, 0);
+        Assertions.assertEquals(0xFFFFFFFF, topLeftPixel, "左上角应为白色（边距区域）");
+        System.out.println("蓝色二维码（含 LOGO）生成成功");
+    }
+
+    // ==================== Base64 编码测试 ====================
+
+    @DisplayName("生成标准二维码的 Base64 字符串")
+    @Test
+    @Order(2)
+    public void testToBase64() {
+        String base64 = QrCodeUtil.toBase64(TEST_CONTENT, 300);
+
+        Assertions.assertNotNull(base64, "Base64 字符串不应为 null");
+        Assertions.assertTrue(base64.startsWith("data:image/jpeg;base64,"), "应包含 data:image 前缀");
+        Assertions.assertTrue(base64.length() > 100, "Base64 长度应足够大");
+        System.out.println("标准二维码 Base64 长度: " + base64.length());
+    }
+
+    @DisplayName("生成蓝色二维码的 Base64 字符串")
+    @Test
+    @Order(2)
+    public void testToBlueBase64WithLogo() {
+        String base64 = QrCodeUtil.toBlueBase64WithLogo(TEST_CONTENT, 300);
+
+        Assertions.assertNotNull(base64, "Base64 字符串不应为 null");
+        Assertions.assertTrue(base64.startsWith("data:image/jpeg;base64,"), "应包含 data:image 前缀");
+        System.out.println("蓝色二维码 Base64 长度: " + base64.length());
+    }
+
+    // ==================== 本地文件存储测试（跨平台） ====================
+
+    @DisplayName("保存二维码到指定本地目录")
+    @Test
+    @Order(3)
+    public void testSaveToLocalWithDir() {
+        BufferedImage image = QrCodeUtil.createQrCodeImage(TEST_CONTENT, 300);
+        Path defaultDir = QrCodeUtil.getDefaultStoragePath();
+        String fileName = "test_qr_dir.jpg";
+
+        Path savedPath = QrCodeUtil.saveToLocal(image, defaultDir.toString(), fileName);
+
+        Assertions.assertTrue(Files.exists(savedPath), "文件应存在于磁盘");
+        Assertions.assertTrue(savedPath.toFile().length() > 0, "文件大小应大于 0");
+        System.out.println("保存到指定目录: " + savedPath.toAbsolutePath());
+
+        // 清理
+        savedPath.toFile().delete();
+    }
+
+    @DisplayName("保存二维码到默认存储路径")
+    @Test
+    @Order(3)
+    public void testSaveToLocalDefault() {
+        BufferedImage image = QrCodeUtil.createQrCodeImage(TEST_CONTENT, 300);
+        String fileName = "test_qr_default.jpg";
+
+        Path savedPath = QrCodeUtil.saveToLocal(image, fileName);
+
+        Assertions.assertTrue(Files.exists(savedPath), "文件应存在于默认路径");
+        System.out.println("保存到默认路径: " + savedPath.toAbsolutePath());
+
+        // 清理
+        savedPath.toFile().delete();
+    }
+
+    @DisplayName("获取跨平台默认存储路径")
+    @Test
+    @Order(3)
+    public void testGetDefaultStoragePath() {
+        Path path = QrCodeUtil.getDefaultStoragePath();
+
+        Assertions.assertNotNull(path, "默认路径不应为 null");
+        String pathStr = path.toString();
+        Assertions.assertTrue(pathStr.contains("zdxt"), "路径应包含 zdxt");
+        Assertions.assertTrue(pathStr.contains("qrcode"), "路径应包含 qrcode");
+
+        String os = System.getProperty("os.name").toLowerCase();
+        if (os.contains("win")) {
+            System.out.println("Windows 默认路径: " + pathStr);
+        } else {
+            System.out.println("Linux 默认路径: " + pathStr);
+        }
+    }
+
+    // ==================== 二维码解析测试 ====================
+
+    @DisplayName("生成二维码后再解析验证内容一致性")
+    @Test
+    @Order(4)
+    public void testDecodeQrCode() {
+        // 1. 生成二维码并保存到临时文件
+        BufferedImage image = QrCodeUtil.createQrCodeImage(TEST_CONTENT, 300);
+        Path tempPath = QrCodeUtil.saveToLocal(image, "test_decode.jpg");
+
+        try {
+            // 2. 解析二维码
+            String decoded = QrCodeUtil.decodeQrCode(tempPath.toFile());
+
+            Assertions.assertNotNull(decoded, "解析结果不应为 null");
+            Assertions.assertEquals(TEST_CONTENT, decoded, "解析内容应与原始内容一致");
+            System.out.println("二维码解析成功: " + decoded);
+        } finally {
+            // 清理
+            tempPath.toFile().delete();
+        }
+    }
+
+    @DisplayName("解析蓝色二维码内容")
+    @Test
+    @Order(4)
+    public void testDecodeBlueQrCode() {
+        BufferedImage image = QrCodeUtil.createBlueQrCodeWithLogo(TEST_CONTENT, 400);
+        Path tempPath = QrCodeUtil.saveToLocal(image, "test_decode_blue.jpg");
+
+        try {
+            String decoded = QrCodeUtil.decodeQrCode(tempPath.toFile());
+            Assertions.assertNotNull(decoded, "蓝色二维码解析结果不应为 null");
+            Assertions.assertEquals(TEST_CONTENT, decoded, "蓝色二维码解析内容应一致");
+            System.out.println("蓝色二维码解析成功: " + decoded);
+        } finally {
+            tempPath.toFile().delete();
+        }
+    }
+
+    // ==================== 生成 + 保存集成测试（需 OSS + DB） ====================
+
+    @DisplayName("生成标准二维码并保存到 OSS 和数据库")
+    @Test
+    @Order(5)
+    public void testGenerateAndSave() {
+        QrCodeGenerateHistoryVo vo = QrCodeUtil.generateAndSave(
+            TEST_CONTENT, TEST_ENTERPRISE_NUMBER, TEST_BUSINESS_ID
+        );
+
+        Assertions.assertNotNull(vo, "返回的历史记录 VO 不应为 null");
+        Assertions.assertNotNull(vo.getId(), "历史记录 ID 不应为 null");
+        Assertions.assertNotNull(vo.getQrCodeUrl(), "二维码 URL 不应为 null");
+        Assertions.assertEquals(TEST_ENTERPRISE_NUMBER, vo.getEnterpriseNumber(), "企业编号应一致");
+        Assertions.assertEquals(0L, vo.getStatus(), "状态应为有效(0)");
+        System.out.println("生成并保存成功: id=" + vo.getId() + ", url=" + vo.getQrCodeUrl());
+    }
+
+    @DisplayName("生成标准二维码（带分类代码和自定义尺寸）并保存")
+    @Test
+    @Order(5)
+    public void testGenerateAndSaveWithSortCodeAndSize() {
+        QrCodeGenerateHistoryVo vo = QrCodeUtil.generateAndSave(
+            TEST_CONTENT, TEST_ENTERPRISE_NUMBER, TEST_BUSINESS_ID, "QR_SORT_001", 400
+        );
+
+        Assertions.assertNotNull(vo, "返回的历史记录 VO 不应为 null");
+        Assertions.assertNotNull(vo.getQrCodeUrl(), "二维码 URL 不应为 null");
+        System.out.println("带分类代码生成成功: id=" + vo.getId());
+    }
+
+    @DisplayName("生成蓝色二维码（含 LOGO）并保存到 OSS 和数据库")
+    @Test
+    @Order(5)
+    public void testGenerateBlueWithLogoAndSave() {
+        QrCodeGenerateHistoryVo vo = QrCodeUtil.generateBlueWithLogoAndSave(
+            TEST_CONTENT, TEST_ENTERPRISE_NUMBER, TEST_BUSINESS_ID, 300
+        );
+
+        Assertions.assertNotNull(vo, "返回的历史记录 VO 不应为 null");
+        Assertions.assertNotNull(vo.getQrCodeUrl(), "蓝色二维码 URL 不应为 null");
+        Assertions.assertEquals(TEST_ENTERPRISE_NUMBER, vo.getEnterpriseNumber(), "企业编号应一致");
+        System.out.println("蓝色二维码生成并保存成功: id=" + vo.getId() + ", url=" + vo.getQrCodeUrl());
+    }
+
+    @DisplayName("生成蓝色二维码（含分类代码）并保存")
+    @Test
+    @Order(5)
+    public void testGenerateBlueWithLogoAndSaveWithSortCode() {
+        QrCodeGenerateHistoryVo vo = QrCodeUtil.generateBlueWithLogoAndSave(
+            TEST_CONTENT, TEST_ENTERPRISE_NUMBER, TEST_BUSINESS_ID, "QR_BLUE_SORT", 500
+        );
+
+        Assertions.assertNotNull(vo);
+        System.out.println("蓝色二维码（带分类）生成成功: id=" + vo.getId());
+    }
+
+    // ==================== 异常场景测试 ====================
+
+    @DisplayName("空内容生成二维码应抛出异常")
+    @Test
+    public void testCreateQrCodeWithEmptyContent() {
+        Assertions.assertThrows(Exception.class, () ->
+            QrCodeUtil.createQrCodeImage("", 300)
+        );
+        System.out.println("空内容生成正确抛出异常");
+    }
+
+    @DisplayName("解析非二维码文件应抛出异常")
+    @Test
+    public void testDecodeNonQrCodeFile() throws Exception {
+        // 创建一个纯白色图片（非二维码）
+        BufferedImage whiteImage = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
+        for (int x = 0; x < 100; x++) {
+            for (int y = 0; y < 100; y++) {
+                whiteImage.setRGB(x, y, 0xFFFFFFFF);
+            }
+        }
+        Path tempPath = QrCodeUtil.saveToLocal(whiteImage, "test_not_qr.jpg");
+
+        try {
+            Assertions.assertThrows(Exception.class, () ->
+                QrCodeUtil.decodeQrCode(tempPath.toFile())
+            );
+            System.out.println("非二维码图片解析正确抛出异常");
+        } finally {
+            tempPath.toFile().delete();
+        }
+    }
+}
diff --git a/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/ZdxtFileUtilTest.java b/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/ZdxtFileUtilTest.java
new file mode 100644
index 0000000..b476873
--- /dev/null
+++ b/zdxt-web-server/zdxt-admin-web-server/src/test/java/org/dromara/test/ZdxtFileUtilTest.java
@@ -0,0 +1,194 @@
+package org.dromara.test;
+
+import com.zdxt.enforcementcode.domain.vo.ZdxtFileVo;
+import com.zdxt.enforcementcode.util.ZdxtFileUtil;
+import org.junit.jupiter.api.*;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.mock.web.MockMultipartFile;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+/**
+ * ZdxtFileUtil 附件工具类测试用例
+ *
+ * @author zdxt
+ */
+@SpringBootTest
+@DisplayName("ZdxtFileUtil 附件工具类测试")
+public class ZdxtFileUtilTest {
+
+    /** 测试用业务ID */
+    private static final String TEST_BUSINESS_ID = "TEST_BIZ_FILE_001";
+    /** 记录上传成功后的 guid，供后续查询/删除使用 */
+    private static String uploadedGuid;
+
+    // ==================== 上传测试 ====================
+
+    @DisplayName("上传文件 - 手动指定用户信息")
+    @Test
+    @Order(1)
+    public void testUploadFileWithManualUser() {
+        MockMultipartFile mockFile = new MockMultipartFile(
+            "file",
+            "test-document.txt",
+            "text/plain",
+            "Hello, this is a test file content.".getBytes(StandardCharsets.UTF_8)
+        );
+
+        ZdxtFileVo vo = ZdxtFileUtil.uploadFile(
+            mockFile, TEST_BUSINESS_ID, "TEST_SORT",
+            "test_user_001", "测试用户"
+        );
+
+        Assertions.assertNotNull(vo, "上传后返回的 VO 不应为 null");
+        Assertions.assertNotNull(vo.getGuid(), "guid 不应为 null");
+        Assertions.assertEquals(TEST_BUSINESS_ID, vo.getBusinessId(), "businessId 应一致");
+        Assertions.assertEquals("test-document.txt", vo.getFileName(), "文件名应一致");
+        Assertions.assertEquals(".txt", vo.getFileSuffix(), "文件后缀应为 .txt");
+        Assertions.assertEquals("txt", vo.getFileType(), "文件类型应为 txt");
+        Assertions.assertNotNull(vo.getUploadPath(), "uploadPath 不应为 null");
+        System.out.println("上传成功: guid=" + vo.getGuid() + ", url=" + vo.getUploadPath());
+
+        uploadedGuid = vo.getGuid();
+    }
+
+    @DisplayName("上传文件 - 空文件应抛出异常")
+    @Test
+    public void testUploadEmptyFile() {
+        MockMultipartFile emptyFile = new MockMultipartFile(
+            "file", "empty.txt", "text/plain", new byte[0]
+        );
+
+        Assertions.assertThrows(Exception.class, () ->
+            ZdxtFileUtil.uploadFile(emptyFile, "BIZ_EMPTY", null, "user1", "用户1")
+        );
+        System.out.println("空文件上传正确抛出异常");
+    }
+
+    @DisplayName("上传文件 - 无后缀文件名应抛出异常")
+    @Test
+    public void testUploadFileWithoutSuffix() {
+        MockMultipartFile noSuffixFile = new MockMultipartFile(
+            "file", "noextension", "application/octet-stream", "data".getBytes()
+        );
+
+        Assertions.assertThrows(Exception.class, () ->
+            ZdxtFileUtil.uploadFile(noSuffixFile, "BIZ_NO_EXT", null, "user1", "用户1")
+        );
+        System.out.println("无后缀文件上传正确抛出异常");
+    }
+
+    // ==================== 查询测试 ====================
+
+    @DisplayName("根据业务ID查询附件列表")
+    @Test
+    @Order(2)
+    public void testQueryByBusinessId() {
+        List<ZdxtFileVo> list = ZdxtFileUtil.queryByBusinessId(TEST_BUSINESS_ID);
+        Assertions.assertNotNull(list, "查询结果不应为 null");
+        System.out.println("按业务ID查询到附件数: " + list.size());
+        list.forEach(vo -> System.out.println("  - guid=" + vo.getGuid() + ", fileName=" + vo.getFileName()));
+    }
+
+    @DisplayName("根据业务ID和分类代码查询附件列表")
+    @Test
+    @Order(2)
+    public void testQueryByBusinessIdAndSortCode() {
+        List<ZdxtFileVo> list = ZdxtFileUtil.queryByBusinessIdAndSortCode(TEST_BUSINESS_ID, "TEST_SORT");
+        Assertions.assertNotNull(list, "查询结果不应为 null");
+        System.out.println("按业务ID+分类代码查询到附件数: " + list.size());
+    }
+
+    @DisplayName("根据附件ID查询 - 存在的记录")
+    @Test
+    @Order(2)
+    public void testQueryByGuid() {
+        if (uploadedGuid == null) {
+            System.out.println("跳过: 依赖上传测试先执行");
+            return;
+        }
+        ZdxtFileVo vo = ZdxtFileUtil.queryByGuid(uploadedGuid);
+        Assertions.assertNotNull(vo, "按 guid 查询结果不应为 null");
+        System.out.println("按guid查询成功: " + vo.getFileName());
+    }
+
+    @DisplayName("查询空业务ID应返回空列表")
+    @Test
+    public void testQueryByBlankBusinessId() {
+        List<ZdxtFileVo> list = ZdxtFileUtil.queryByBusinessId("");
+        Assertions.assertNotNull(list);
+        Assertions.assertTrue(list.isEmpty(), "空业务ID应返回空列表");
+
+        List<ZdxtFileVo> nullList = ZdxtFileUtil.queryByBusinessId(null);
+        Assertions.assertNotNull(nullList);
+        Assertions.assertTrue(nullList.isEmpty(), "null业务ID应返回空列表");
+        System.out.println("空业务ID查询验证通过");
+    }
+
+    @DisplayName("查询空guid应返回null")
+    @Test
+    public void testQueryByBlankGuid() {
+        Assertions.assertNull(ZdxtFileUtil.queryByGuid(""));
+        Assertions.assertNull(ZdxtFileUtil.queryByGuid(null));
+        System.out.println("空guid查询验证通过");
+    }
+
+    // ==================== 删除测试 ====================
+
+    @DisplayName("删除空guid应返回false")
+    @Test
+    public void testDeleteByBlankGuid() {
+        Assertions.assertFalse(ZdxtFileUtil.deleteByGuid(""));
+        Assertions.assertFalse(ZdxtFileUtil.deleteByGuid(null));
+        System.out.println("空guid删除验证通过");
+    }
+
+    @DisplayName("删除空业务ID应返回false")
+    @Test
+    public void testDeleteByBlankBusinessId() {
+        Assertions.assertFalse(ZdxtFileUtil.deleteByBusinessId(""));
+        Assertions.assertFalse(ZdxtFileUtil.deleteByBusinessId(null));
+        System.out.println("空业务ID删除验证通过");
+    }
+
+    @DisplayName("按业务ID删除所有测试附件")
+    @Test
+    @Order(3)
+    public void testDeleteByBusinessId() {
+        // 先确认有数据
+        List<ZdxtFileVo> before = ZdxtFileUtil.queryByBusinessId(TEST_BUSINESS_ID);
+        System.out.println("删除前附件数: " + before.size());
+
+        Boolean result = ZdxtFileUtil.deleteByBusinessId(TEST_BUSINESS_ID);
+        System.out.println("按业务ID删除结果: " + result);
+
+        List<ZdxtFileVo> after = ZdxtFileUtil.queryByBusinessId(TEST_BUSINESS_ID);
+        System.out.println("删除后附件数: " + after.size());
+    }
+
+    // ==================== 批量上传测试 ====================
+
+    @DisplayName("批量上传文件")
+    @Test
+    public void testUploadFiles() {
+        MockMultipartFile file1 = new MockMultipartFile(
+            "files", "batch1.txt", "text/plain", "content1".getBytes()
+        );
+        MockMultipartFile file2 = new MockMultipartFile(
+            "files", "batch2.txt", "text/plain", "content2".getBytes()
+        );
+
+        // 批量上传需要登录用户, 使用手动用户方式逐个验证
+        ZdxtFileVo vo1 = ZdxtFileUtil.uploadFile(file1, "TEST_BATCH_BIZ", null, "user_batch", "批量用户");
+        ZdxtFileVo vo2 = ZdxtFileUtil.uploadFile(file2, "TEST_BATCH_BIZ", null, "user_batch", "批量用户");
+
+        Assertions.assertNotNull(vo1);
+        Assertions.assertNotNull(vo2);
+        System.out.println("批量上传成功: " + vo1.getGuid() + ", " + vo2.getGuid());
+
+        // 清理
+        ZdxtFileUtil.deleteByBusinessId("TEST_BATCH_BIZ");
+        System.out.println("批量测试数据已清理");
+    }
+}