diff --git a/plusone-system/plusone-system-common/src/main/java/xyz/zhouxy/plusone/system/util/PasswordUtil.java b/plusone-system/plusone-system-common/src/main/java/xyz/zhouxy/plusone/system/util/PasswordUtil.java
index e377ca7..015a5f6 100644
--- a/plusone-system/plusone-system-common/src/main/java/xyz/zhouxy/plusone/system/util/PasswordUtil.java
+++ b/plusone-system/plusone-system-common/src/main/java/xyz/zhouxy/plusone/system/util/PasswordUtil.java
@@ -1,19 +1,26 @@
 package xyz.zhouxy.plusone.system.util;
 
+import java.math.BigInteger;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
 import javax.annotation.Nonnull;
 
-import cn.hutool.core.util.RandomUtil;
-import cn.hutool.crypto.digest.DigestUtil;
+import lombok.extern.slf4j.Slf4j;
 import xyz.zhouxy.plusone.constant.ErrorCodeConsts;
 import xyz.zhouxy.plusone.exception.BizException;
+import xyz.zhouxy.plusone.util.RandomUtil;
 
 /**
  * 密码工具类
  *
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
  */
+@Slf4j
 public final class PasswordUtil {
-    private static final String SALT_BASE_STRING = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ~`!@#$%^&*()_-+={}[]|\\:;\"',.<>?/";
+    private static final char[] SALT_BASE_CHAR_ARRAY = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ~`!@#$%^&*()_-+={}[]|\\:;\"',.<>?/"
+            .toCharArray();
 
     /**
      * 将密码和随机盐混合，并进行哈希加密。
@@ -29,7 +36,7 @@ public final class PasswordUtil {
         var passwordWithSalt = salt.substring(0, i)
                 + password
                 + salt.substring(1);
-        String sha512Hex = DigestUtil.sha512Hex(passwordWithSalt);
+        String sha512Hex = sha512Hex(passwordWithSalt);
         if (sha512Hex == null) {
             throw new BizException(ErrorCodeConsts.DEFAULT_ERROR_CODE, "未知错误：哈希加密失败！");
         }
@@ -42,11 +49,23 @@ public final class PasswordUtil {
      * @return 生成的随机盐
      */
     public static String generateRandomSalt() {
-        return RandomUtil.randomString(SALT_BASE_STRING, 24);
+        return RandomUtil.randomStr(SALT_BASE_CHAR_ARRAY, 24);
     }
 
     private PasswordUtil() {
         // 不允许实例化
         throw new IllegalStateException("Utility class");
     }
+
+    private static String sha512Hex(String data) {
+        try {
+            MessageDigest messageDigest = MessageDigest.getInstance("SHA-512");
+            messageDigest.update(data.getBytes(StandardCharsets.UTF_8));
+            byte[] result = messageDigest.digest();
+            return new BigInteger(1, result).toString(16);
+        } catch (NoSuchAlgorithmException e) {
+            log.error("{}", e);
+        }
+        return null;
+    }
 }