diff --git a/device-fingerprint-tool/src/main/java/com/sunyard/cisd/Main.java b/device-fingerprint-tool/src/main/java/com/sunyard/cisd/Main.java
index 0269019..241dfde 100644
--- a/device-fingerprint-tool/src/main/java/com/sunyard/cisd/Main.java
+++ b/device-fingerprint-tool/src/main/java/com/sunyard/cisd/Main.java
@@ -3,6 +3,7 @@ package com.sunyard.cisd;
 import java.nio.charset.StandardCharsets;
 import java.security.PublicKey;
 import java.util.Base64;
+import java.util.Map;
 
 public class Main {
     
@@ -11,54 +12,87 @@ public class Main {
     private static final String SIGN_SM3_FILE = DEVICE_DIR + "/dev.sign.sm3";
     private static final String PUBLIC_KEY_FILE = DEVICE_DIR + "/dev.fingerprint.pub";
     private static final String PUBLIC_KEY_SM3_FILE = DEVICE_DIR + "/dev.fingerprint.pub.sm3";
+    private static final String FINGERPRINT_DATA_FILE = DEVICE_DIR + "/dev.fingerprint.data";
     private static final String PRIVATE_KEY_PATH = "/sm2_private_key.pem";
+    private static final String PUBLIC_KEY_PATH = "/sm2_public_key.pem";
     
     public static void main(String[] args) {
+        if (args.length == 0) {
+            printHelp();
+            return;
+        }
+        
+        String command = args[0];
+        
         try {
-            DeviceFingerprintService service = new DeviceFingerprintService();
-            DeviceFingerprint fingerprint = service.getDeviceFingerprint();
-            
-            System.out.println("=== 设备指纹信息 ===");
-            System.out.println("主板序列号: " + fingerprint.getMotherboardSerialNumber());
-            System.out.println("设备序列号: " + fingerprint.getDeviceSerialNumber());
-            System.out.println("CPU型号: " + fingerprint.getCpuModel());
-            System.out.println("CPU序列号: " + fingerprint.getCpuSerialNumber());
-            System.out.println("内存大小: " + fingerprint.getMemorySize());
-            System.out.println("首块网卡MAC地址: " + fingerprint.getFirstNetworkMacAddress());
-            System.out.println("硬盘序列号: " + fingerprint.getHardDiskSerialNumber());
-            
-            String plainText = buildPlainText(fingerprint);
-            System.out.println("\n拼接后的原文: " + plainText);
-            
-            byte[] signature = SM2Util.sign(plainText.getBytes(StandardCharsets.UTF_8), PRIVATE_KEY_PATH);
-            System.out.println("签名结果(Base64): " + Base64.getEncoder().encodeToString(signature));
-            
-            PublicKey publicKey = SM2Util.loadPublicKey("/sm2_public_key.pem");
-            String publicKeyPEM = SM2Util.publicKeyToPEM(publicKey);
-            
-            SM3Util.writeFile(SIGN_FILE, signature);
-            System.out.println("签名文件已保存: " + SIGN_FILE);
-            
-            String signSm3 = SM3Util.sm3DigestHex(signature);
-            SM3Util.writeFile(SIGN_SM3_FILE, signSm3);
-            System.out.println("签名SM3校验值已保存: " + SIGN_SM3_FILE + " (" + signSm3 + ")");
-            
-            SM3Util.writeFile(PUBLIC_KEY_FILE, publicKeyPEM);
-            System.out.println("公钥文件已保存: " + PUBLIC_KEY_FILE);
-            
-            String publicKeySm3 = SM3Util.sm3DigestHex(publicKeyPEM.getBytes(StandardCharsets.UTF_8));
-            SM3Util.writeFile(PUBLIC_KEY_SM3_FILE, publicKeySm3);
-            System.out.println("公钥SM3校验值已保存: " + PUBLIC_KEY_SM3_FILE + " (" + publicKeySm3 + ")");
-            
-            boolean verified = SM2Util.verify(plainText.getBytes(StandardCharsets.UTF_8), signature, publicKey);
-            System.out.println("\n签名验证结果: " + verified);
-            
+            switch (command) {
+                case "help":
+                    printHelp();
+                    break;
+                case "info":
+                    showDeviceInfo();
+                    break;
+                case "fingerprint-gen":
+                    generateFingerprint();
+                    break;
+
+                case "fingerprint-vertify":
+                    verifyFingerprint();
+                    break;
+                case "mac-gen":
+                    if (args.length < 3) {
+                        System.err.println("错误: mac-gen 需要两个参数 - 文件夹路径 和 输出文件路径");
+                        System.out.println("用法: mac-gen <文件夹路径> <输出文件路径>");
+                    } else {
+                        generateMAC(args[1], args[2]);
+                    }
+                    break;
+                case "mac-vertify":
+                    if (args.length < 3) {
+                        System.err.println("错误: mac-verify 需要两个参数 - 文件夹路径 和 SM3文件路径");
+                        System.out.println("用法: mac-verify <文件夹路径> <SM3文件路径>");
+                    } else {
+                        verifyMAC(args[1], args[2]);
+                    }
+                    break;
+                default:
+                    System.err.println("未知命令: " + command);
+                    printHelp();
+                    break;
+            }
         } catch (Exception e) {
             System.err.println("处理过程中发生错误: " + e.getMessage());
             e.printStackTrace();
         }
     }
     
+    private static void printHelp() {
+        System.out.println("设备指纹工具 - 使用说明");
+        System.out.println();
+        System.out.println("可用命令:");
+        System.out.println("  help                              - 显示帮助信息");
+        System.out.println("  info                              - 获取并显示设备信息");
+        System.out.println("  fingerprint-gen                   - 获取设备信息并生成设备指纹输出到文件");
+        System.out.println("  fingerprint-vertify                - 获取设备信息并验证设备指纹");
+        System.out.println("  mac-gen <文件夹> <输出文件>       - 对指定文件夹下所有文件计算SM3并输出到文件");
+        System.out.println("  mac-vertify <文件夹> <SM3文件>     - 验证指定文件夹下所有文件的SM3值");
+        System.out.println();
+    }
+    
+    private static void showDeviceInfo() throws Exception {
+        DeviceFingerprintService service = new DeviceFingerprintService();
+        DeviceFingerprint fingerprint = service.getDeviceFingerprint();
+        
+        System.out.println("=== 设备信息 ===");
+        System.out.println("主板序列号: " + fingerprint.getMotherboardSerialNumber());
+        System.out.println("设备序列号: " + fingerprint.getDeviceSerialNumber());
+        System.out.println("CPU型号: " + fingerprint.getCpuModel());
+        System.out.println("CPU序列号: " + fingerprint.getCpuSerialNumber());
+        System.out.println("内存大小: " + fingerprint.getMemorySize());
+        System.out.println("首块网卡MAC地址: " + fingerprint.getFirstNetworkMacAddress());
+        System.out.println("硬盘序列号: " + fingerprint.getHardDiskSerialNumber());
+    }
+    
     private static String buildPlainText(DeviceFingerprint fingerprint) {
         return fingerprint.getMotherboardSerialNumber() +
                fingerprint.getDeviceSerialNumber() +
@@ -68,4 +102,103 @@ public class Main {
                fingerprint.getFirstNetworkMacAddress() +
                fingerprint.getHardDiskSerialNumber();
     }
+    
+    private static void generateFingerprint() throws Exception {
+        DeviceFingerprintService service = new DeviceFingerprintService();
+        DeviceFingerprint fingerprint = service.getDeviceFingerprint();
+        
+        System.out.println("=== 设备指纹信息 ===");
+        System.out.println("主板序列号: " + fingerprint.getMotherboardSerialNumber());
+        System.out.println("设备序列号: " + fingerprint.getDeviceSerialNumber());
+        System.out.println("CPU型号: " + fingerprint.getCpuModel());
+        System.out.println("CPU序列号: " + fingerprint.getCpuSerialNumber());
+        System.out.println("内存大小: " + fingerprint.getMemorySize());
+        System.out.println("首块网卡MAC地址: " + fingerprint.getFirstNetworkMacAddress());
+        System.out.println("硬盘序列号: " + fingerprint.getHardDiskSerialNumber());
+        
+        String plainText = buildPlainText(fingerprint);
+        System.out.println("\n拼接后的原文: " + plainText);
+        
+        byte[] signature = SM2Util.sign(plainText.getBytes(StandardCharsets.UTF_8), PRIVATE_KEY_PATH);
+        System.out.println("签名结果(Base64): " + Base64.getEncoder().encodeToString(signature));
+        
+        PublicKey publicKey = SM2Util.loadPublicKey(PUBLIC_KEY_PATH);
+        String publicKeyPEM = SM2Util.publicKeyToPEM(publicKey);
+        
+        SM3Util.writeFile(SIGN_FILE, signature);
+        System.out.println("签名文件已保存: " + SIGN_FILE);
+        
+        String signSm3 = SM3Util.sm3DigestHex(signature);
+        SM3Util.writeFile(SIGN_SM3_FILE, signSm3);
+        System.out.println("签名SM3校验值已保存: " + SIGN_SM3_FILE + " (" + signSm3 + ")");
+        
+        SM3Util.writeFile(PUBLIC_KEY_FILE, publicKeyPEM);
+        System.out.println("公钥文件已保存: " + PUBLIC_KEY_FILE);
+        
+        String publicKeySm3 = SM3Util.sm3DigestHex(publicKeyPEM.getBytes(StandardCharsets.UTF_8));
+        SM3Util.writeFile(PUBLIC_KEY_SM3_FILE, publicKeySm3);
+        System.out.println("公钥SM3校验值已保存: " + PUBLIC_KEY_SM3_FILE + " (" + publicKeySm3 + ")");
+        
+        SM3Util.writeFile(FINGERPRINT_DATA_FILE, plainText);
+        System.out.println("设备指纹数据已保存: " + FINGERPRINT_DATA_FILE);
+        
+        boolean verified = SM2Util.verify(plainText.getBytes(StandardCharsets.UTF_8), signature, publicKey);
+        System.out.println("\n签名验证结果: " + verified);
+    }
+    
+    private static void verifyFingerprint() throws Exception {
+        DeviceFingerprintService service = new DeviceFingerprintService();
+        DeviceFingerprint fingerprint = service.getDeviceFingerprint();
+        
+        System.out.println("=== 当前设备信息 ===");
+        System.out.println("主板序列号: " + fingerprint.getMotherboardSerialNumber());
+        System.out.println("设备序列号: " + fingerprint.getDeviceSerialNumber());
+        System.out.println("CPU型号: " + fingerprint.getCpuModel());
+        System.out.println("CPU序列号: " + fingerprint.getCpuSerialNumber());
+        System.out.println("内存大小: " + fingerprint.getMemorySize());
+        System.out.println("首块网卡MAC地址: " + fingerprint.getFirstNetworkMacAddress());
+        System.out.println("硬盘序列号: " + fingerprint.getHardDiskSerialNumber());
+        
+        String plainText = buildPlainText(fingerprint);
+        System.out.println("\n当前拼接原文: " + plainText);
+        
+        String savedPlainText = SM3Util.readFile(FINGERPRINT_DATA_FILE).trim();
+        System.out.println("保存的拼接原文: " + savedPlainText);
+        
+        byte[] signature = SM3Util.readFileBytes(SIGN_FILE);
+        PublicKey publicKey = SM2Util.loadPublicKey(PUBLIC_KEY_PATH);
+        
+        boolean dataMatch = plainText.equals(savedPlainText);
+        boolean signatureVerified = SM2Util.verify(savedPlainText.getBytes(StandardCharsets.UTF_8), signature, publicKey);
+        
+        System.out.println("\n=== 验证结果 ===");
+        System.out.println("设备信息匹配: " + dataMatch);
+        System.out.println("签名验证: " + signatureVerified);
+        System.out.println("总体验证: " + (dataMatch && signatureVerified));
+    }
+    
+    private static void generateMAC(String directoryPath, String outputFilePath) throws Exception {
+        System.out.println("正在计算文件夹 SM3: " + directoryPath);
+        Map<String, String> sm3Map = SM3Util.calculateDirectorySM3(directoryPath);
+        
+        System.out.println("\n发现 " + sm3Map.size() + " 个文件:");
+        for (Map.Entry<String, String> entry : sm3Map.entrySet()) {
+            System.out.println("  " + entry.getKey() + " : " + entry.getValue());
+        }
+        
+        SM3Util.writeSM3File(sm3Map, outputFilePath);
+        System.out.println("\nSM3 文件已保存: " + outputFilePath);
+    }
+    
+    private static void verifyMAC(String directoryPath, String sm3FilePath) throws Exception {
+        System.out.println("正在验证文件夹 SM3: " + directoryPath);
+        System.out.println("使用 SM3 文件: " + sm3FilePath);
+        System.out.println();
+        
+        boolean verified = SM3Util.verifyDirectorySM3(directoryPath, sm3FilePath);
+        
+        System.out.println();
+        System.out.println("=== 验证结果 ===");
+        System.out.println("完整性验证: " + verified);
+    }
 }
diff --git a/device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM3Util.java b/device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM3Util.java
index f34a283..6628d22 100644
--- a/device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM3Util.java
+++ b/device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM3Util.java
@@ -3,10 +3,15 @@ package com.sunyard.cisd;
 import org.bouncycastle.crypto.digests.SM3Digest;
 import org.bouncycastle.util.encoders.Hex;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.io.FileReader;
 import java.io.OutputStream;
 import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
 
 public class SM3Util {
     
@@ -23,6 +28,103 @@ public class SM3Util {
         return Hex.toHexString(digest);
     }
     
+    public static String sm3FileHex(String filePath) throws Exception {
+        File file = new File(filePath);
+        if (!file.exists() || !file.isFile()) {
+            throw new IllegalArgumentException("File not found: " + filePath);
+        }
+        
+        try (FileInputStream fis = new FileInputStream(file)) {
+            SM3Digest digest = new SM3Digest();
+            byte[] buffer = new byte[8192];
+            int bytesRead;
+            while ((bytesRead = fis.read(buffer)) != -1) {
+                digest.update(buffer, 0, bytesRead);
+            }
+            byte[] result = new byte[digest.getDigestSize()];
+            digest.doFinal(result, 0);
+            return Hex.toHexString(result);
+        }
+    }
+    
+    public static Map<String, String> calculateDirectorySM3(String directoryPath) throws Exception {
+        File dir = new File(directoryPath);
+        if (!dir.exists() || !dir.isDirectory()) {
+            throw new IllegalArgumentException("Directory not found: " + directoryPath);
+        }
+        
+        Map<String, String> sm3Map = new HashMap<>();
+        calculateDirectorySM3Recursive(dir, dir.getAbsolutePath(), sm3Map);
+        return sm3Map;
+    }
+    
+    private static void calculateDirectorySM3Recursive(File dir, String basePath, Map<String, String> sm3Map) throws Exception {
+        File[] files = dir.listFiles();
+        if (files == null) return;
+        
+        for (File file : files) {
+            if (file.isDirectory()) {
+                calculateDirectorySM3Recursive(file, basePath, sm3Map);
+            } else {
+                String relativePath = file.getAbsolutePath().substring(basePath.length() + 1);
+                String sm3Value = sm3FileHex(file.getAbsolutePath());
+                sm3Map.put(relativePath, sm3Value);
+            }
+        }
+    }
+    
+    public static void writeSM3File(Map<String, String> sm3Map, String outputFilePath) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        for (Map.Entry<String, String> entry : sm3Map.entrySet()) {
+            sb.append(entry.getKey()).append("|").append(entry.getValue()).append("\n");
+        }
+        writeFile(outputFilePath, sb.toString());
+    }
+    
+    public static Map<String, String> readSM3File(String filePath) throws Exception {
+        Map<String, String> sm3Map = new HashMap<>();
+        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                String[] parts = line.split("\\|", 2);
+                if (parts.length == 2) {
+                    sm3Map.put(parts[0], parts[1]);
+                }
+            }
+        }
+        return sm3Map;
+    }
+    
+    public static boolean verifyDirectorySM3(String directoryPath, String sm3FilePath) throws Exception {
+        Map<String, String> savedSM3 = readSM3File(sm3FilePath);
+        Map<String, String> currentSM3 = calculateDirectorySM3(directoryPath);
+        
+        boolean allMatch = true;
+        
+        for (Map.Entry<String, String> entry : savedSM3.entrySet()) {
+            String filePath = entry.getKey();
+            String savedHash = entry.getValue();
+            String currentHash = currentSM3.get(filePath);
+            
+            if (currentHash == null) {
+                System.out.println("文件缺失: " + filePath);
+                allMatch = false;
+            } else if (!savedHash.equals(currentHash)) {
+                System.out.println("文件校验失败: " + filePath + " (期望: " + savedHash + ", 实际: " + currentHash + ")");
+                allMatch = false;
+            }
+        }
+        
+        for (String filePath : currentSM3.keySet()) {
+            if (!savedSM3.containsKey(filePath)) {
+                System.out.println("新增文件: " + filePath);
+                allMatch = false;
+            }
+        }
+        
+        return allMatch;
+    }
+    
     public static void writeFile(String filePath, byte[] content) throws Exception {
         File file = new File(filePath);
         File parentDir = file.getParentFile();
@@ -37,4 +139,24 @@ public class SM3Util {
     public static void writeFile(String filePath, String content) throws Exception {
         writeFile(filePath, content.getBytes(StandardCharsets.UTF_8));
     }
+    
+    public static String readFile(String filePath) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                sb.append(line).append("\n");
+            }
+        }
+        return sb.toString();
+    }
+    
+    public static byte[] readFileBytes(String filePath) throws Exception {
+        File file = new File(filePath);
+        try (FileInputStream fis = new FileInputStream(file)) {
+            byte[] content = new byte[(int) file.length()];
+            fis.read(content);
+            return content;
+        }
+    }
 }