diff --git a/plusone-basic/plusone-basic-common/src/main/java/xyz/zhouxy/plusone/util/RandomUtil.java b/plusone-basic/plusone-basic-common/src/main/java/xyz/zhouxy/plusone/util/RandomUtil.java
index df9253d..d4a023d 100644
--- a/plusone-basic/plusone-basic-common/src/main/java/xyz/zhouxy/plusone/util/RandomUtil.java
+++ b/plusone-basic/plusone-basic-common/src/main/java/xyz/zhouxy/plusone/util/RandomUtil.java
@@ -1,6 +1,6 @@
 package xyz.zhouxy.plusone.util;
 
-import java.util.concurrent.ThreadLocalRandom;
+import java.security.SecureRandom;
 
 public final class RandomUtil {
     private RandomUtil() {
@@ -8,7 +8,7 @@ public final class RandomUtil {
     }
 
     public static String randomStr(char[] sourceCharacters, int length) {
-        ThreadLocalRandom random = ThreadLocalRandom.current();
+        SecureRandom random = new SecureRandom();
         char[] result = new char[length];
         for (int i = 0; i < length; i++) {
             result[i] = sourceCharacters[random.nextInt(sourceCharacters.length)];
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 bf34ac9..c0b7509 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
@@ -1,15 +1,12 @@
 package xyz.zhouxy.plusone.system.util;
 
-import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.Objects;
+import java.util.Arrays;
 
-import javax.annotation.Nonnull;
+import org.springframework.util.Assert;
+
+import com.google.common.hash.Hashing;
 
-import xyz.zhouxy.plusone.constant.ErrorCodeConsts;
-import xyz.zhouxy.plusone.exception.BizException;
 import xyz.zhouxy.plusone.util.RandomUtil;
 
 /**
@@ -28,19 +25,18 @@ public final class PasswordUtil {
      * @param salt     随机盐
      * @return 哈希加密的结果
      */
-    @Nonnull
-    public static String hashPassword(@Nonnull String password, @Nonnull String salt) {
-        int length = salt.length();
-        int i = length > 0 ? length / 2 : 0;
-        var passwordWithSalt = salt.substring(0, i)
-                + password
-                + salt.substring(1);
-
-        try {
-            return sha512Hex(passwordWithSalt);
-        } catch (Exception e) {
-            throw new BizException(ErrorCodeConsts.DEFAULT_ERROR_CODE, "哈希加密失败！", e);
-        }
+    public static String hashPassword(String password, String salt) {
+        Assert.notNull(password, "Password must not be null");
+        Assert.notNull(salt, "Salt must not be null");
+        return Hashing.sha512().newHasher()
+                .putInt(Arrays.hashCode(salt.toCharArray()))
+                .putString(password, StandardCharsets.UTF_8)
+                .putInt(password.length())
+                .putBoolean(password.length() % 2 == 0)
+                .putString(salt, StandardCharsets.UTF_8)
+                .putInt(Arrays.hashCode(password.toCharArray()))
+                .hash()
+                .toString();
     }
 
     /**
@@ -56,13 +52,4 @@ public final class PasswordUtil {
         // 不允许实例化
         throw new IllegalStateException("Utility class");
     }
-
-    @Nonnull
-    private static String sha512Hex(String data) throws NoSuchAlgorithmException {
-        MessageDigest messageDigest = MessageDigest.getInstance("SHA-512");
-        messageDigest.update(data.getBytes(StandardCharsets.UTF_8));
-        byte[] result = messageDigest.digest();
-        var sha512Hex = new BigInteger(1, result).toString(16);
-        return Objects.requireNonNull(sha512Hex);
-    }
 }
diff --git a/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/Password.java b/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/Password.java
index ba0b109..a4b555a 100644
--- a/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/Password.java
+++ b/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/Password.java
@@ -3,15 +3,11 @@ package xyz.zhouxy.plusone.system.domain.model.account;
 import java.util.Objects;
 import java.util.regex.Pattern;
 
-import javax.annotation.Nonnull;
-
 import org.springframework.util.Assert;
 
 import xyz.zhouxy.plusone.commons.annotation.StaticFactoryMethod;
 import xyz.zhouxy.plusone.commons.constant.PatternConsts;
-import xyz.zhouxy.plusone.constant.ErrorCodeConsts;
 import xyz.zhouxy.plusone.domain.IValueObject;
-import xyz.zhouxy.plusone.exception.BizException;
 import xyz.zhouxy.plusone.system.util.PasswordUtil;
 
 /**
@@ -24,30 +20,19 @@ public class Password implements IValueObject {
     private static final Pattern PATTERN = PatternConsts.PASSWORD;
     private static final String DEFAULT_PASSWORD = "A1b2C3d4";
 
-    @Nonnull
     private final String passwordVal;
-    @Nonnull
     private final String saltVal;
 
     private Password(String password) {
-        if (password == null) {
-            throw new IllegalArgumentException("密码不能为空");
-        }
-        if (!PATTERN.matcher(password).matches()) {
-            throw new IllegalArgumentException("密码格式不符合要求");
-        }
-        var salt = PasswordUtil.generateRandomSalt();
-        if (salt == null) {
-            throw new BizException(ErrorCodeConsts.DEFAULT_ERROR_CODE, "未知错误：生成随机盐失败");
-        }
+        Assert.notNull(password, "密码不能为空");
+        Assert.isTrue(PATTERN.matcher(password).matches(), "密码格式不符合要求");
+        String salt = PasswordUtil.generateRandomSalt();
         this.saltVal = salt;
         this.passwordVal = PasswordUtil.hashPassword(password, salt);
     }
 
     private Password(String password, String salt) {
-        if (password == null || salt == null) {
-            throw new IllegalArgumentException("password 和 salt 不能为空");
-        }
+        Assert.isTrue(password != null && salt != null, "password 和 salt 不能为空");
         this.passwordVal = password;
         this.saltVal = salt;
     }