diff --git a/bonus-auth/src/main/java/com/bonus/auth/service/PasswordValidatorService.java b/bonus-auth/src/main/java/com/bonus/auth/service/PasswordValidatorService.java
index 3af7f4b..ccac19b 100644
--- a/bonus-auth/src/main/java/com/bonus/auth/service/PasswordValidatorService.java
+++ b/bonus-auth/src/main/java/com/bonus/auth/service/PasswordValidatorService.java
@@ -51,11 +51,11 @@ public class PasswordValidatorService {
             return AjaxResult.error("密码包含常见的弱密码片段！");
         }
 
-        if (containsConsecutiveCharacters(newPassword, config.getMaxConsecutiveChars())) {
-            return AjaxResult.error("密码不能包含超过" + config.getMaxConsecutiveChars() + "位连续字符！");
+        if (containsConsecutiveCharacters(newPassword.toLowerCase(), config.getMaxConsecutiveChars())) {
+            return AjaxResult.error("密码不能包含超过" + config.getMaxConsecutiveChars() + "个连续相同字符、连续递增/递减的数字或字母（不区分大小写）");
         }
 
-        if (newPassword.contains(username)) {
+        if (newPassword.toLowerCase().contains(username.toLowerCase())) {
             return AjaxResult.error("密码不能包含账号！");
         }
 
@@ -120,7 +120,7 @@ public class PasswordValidatorService {
      */
     private boolean containsWeakPassword(String password) {
         for (String weakPwd : config.getWeakPasswords()) {
-            if (password.contains(weakPwd)) {
+            if (password.toLowerCase().contains(weakPwd)) {
                 return true;
             }
         }
@@ -128,24 +128,83 @@ public class PasswordValidatorService {
     }
 
     /**
-     * 检查密码中是否包含超过 n 个连续相同字符
+     * 检查密码中是否包含超过 n 个连续相同字符、连续递增/递减的数字或字母（不区分大小写）
      */
     private boolean containsConsecutiveCharacters(String password, int n) {
+        // 检查连续相同字符
+        n = n + 1;
         for (int i = 0; i <= password.length() - n; i++) {
-            boolean consecutive = true;
+            boolean consecutiveSameChar = true;
             for (int j = 1; j < n; j++) {
                 if (password.charAt(i + j) != password.charAt(i)) {
-                    consecutive = false;
+                    consecutiveSameChar = false;
                     break;
                 }
             }
-            if (consecutive) {
+            if (consecutiveSameChar) {
+                return true; // 包含超过 n 个连续相同字符
+            }
+        }
+
+        // 检查连续递增或递减的数字
+        for (int i = 0; i <= password.length() - n; i++) {
+            boolean consecutiveIncreasing = true;
+            boolean consecutiveDecreasing = true;
+            for (int j = 1; j < n; j++) {
+                char currentChar = password.charAt(i);
+                char nextChar = password.charAt(i + j);
+
+                // 检查数字递增或递减
+                if (Character.isDigit(currentChar) && Character.isDigit(nextChar)) {
+                    if (nextChar != currentChar + j) {
+                        consecutiveIncreasing = false;
+                    }
+                    if (nextChar != currentChar - j) {
+                        consecutiveDecreasing = false;
+                    }
+                } else {
+                    consecutiveIncreasing = false;
+                    consecutiveDecreasing = false;
+                    break;
+                }
+            }
+            if (consecutiveIncreasing || consecutiveDecreasing) {
+                return true; // 包含超过 n 个递增或递减的连续数字
+            }
+        }
+
+        // 检查连续递增或递减的字母（不区分大小写）
+        for (int i = 0; i <= password.length() - n; i++) {
+            boolean consecutiveIncreasing = true;
+            boolean consecutiveDecreasing = true;
+            for (int j = 1; j < n; j++) {
+                char currentChar = Character.toLowerCase(password.charAt(i)); // 转为小写
+                char nextChar = Character.toLowerCase(password.charAt(i + j)); // 转为小写
+
+                // 检查字母递增或递减
+                if (Character.isLetter(currentChar) && Character.isLetter(nextChar)) {
+                    if (nextChar != currentChar + j) {
+                        consecutiveIncreasing = false;
+                    }
+                    if (nextChar != currentChar - j) {
+                        consecutiveDecreasing = false;
+                    }
+                } else {
+                    consecutiveIncreasing = false;
+                    consecutiveDecreasing = false;
+                    break;
+                }
+            }
+            if (consecutiveIncreasing || consecutiveDecreasing) {
+                // 包含超过 n 个递增或递减的连续字母
                 return true;
             }
         }
+        // 不包含连续相同字符、数字或字母序列
         return false;
     }
 
+
     /**
      * 验证登录参数
      */
diff --git a/bonus-modules/bonus-system/src/main/java/com/bonus/system/service/impl/PasswordValidatorServiceImpl.java b/bonus-modules/bonus-system/src/main/java/com/bonus/system/service/impl/PasswordValidatorServiceImpl.java
index 0e29db8..fcdf272 100644
--- a/bonus-modules/bonus-system/src/main/java/com/bonus/system/service/impl/PasswordValidatorServiceImpl.java
+++ b/bonus-modules/bonus-system/src/main/java/com/bonus/system/service/impl/PasswordValidatorServiceImpl.java
@@ -14,11 +14,10 @@ import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
-/**
- * 密码校验器类，用于根据配置对用户输入的密码进行验证。
- */
 @Service
 public class PasswordValidatorServiceImpl implements PasswordValidatorService {
 
@@ -31,195 +30,233 @@ public class PasswordValidatorServiceImpl implements PasswordValidatorService {
     @Resource
     private PasswordValidatorMapper passwordValidatorMapper;
 
-
     @Override
     public AjaxResult validatePassword(Long userId, String username, String oldPassword, String newPassword) {
-        // 1. 检查密码长度是否符合配置
-        if (newPassword.length() < config.getMinLength() || newPassword.length() > config.getMaxLength()) {
+        // 1. 检查密码长度
+        if (!isPasswordLengthValid(newPassword)) {
             return AjaxResult.error("密码长度应为" + config.getMinLength() + "至" + config.getMaxLength() + "位！");
         }
-        // 2. 检查密码是否包含大写字母、小写字母、数字和特殊字符
-        boolean hasUpperCase = false, hasLowerCase = false, hasDigit = false, hasSpecialChar = false;
-        for (char c : newPassword.toCharArray()) {
-            if (Character.isUpperCase(c)) {
-                hasUpperCase = true;
-            }
-            if (Character.isLowerCase(c)) {
-                hasLowerCase = true;
-            }
-            if (Character.isDigit(c)) {
-                hasDigit = true;
-            }
-            if ("!@#$%^&*()-_=+[{]};:'\",<.>/?".indexOf(c) >= 0) {
-                hasSpecialChar = true;
-            }
+
+        // 2. 检查密码字符类型
+        if (!isPasswordCharacterValid(newPassword)) {
+            return AjaxResult.error(getCharacterRequirementErrorMessage());
         }
 
-        // 根据配置检查大写字母、小写字母、数字和特殊字符的要求
-        if (config.isRequireUpperCase() && !hasUpperCase) {
-            return AjaxResult.error("密码必须包含大写字母！");
-
+        // 3. 检查常见弱密码
+        if (containsWeakPassword(newPassword.toLowerCase())) {
+            return AjaxResult.error("密码包含常见的弱密码片段！");
         }
 
-        if (config.isRequireLowerCase() && !hasLowerCase) {
-            return AjaxResult.error("密码必须包含小写字母！");
-        }
-
-        if (config.isRequireDigit() && !hasDigit) {
-            return AjaxResult.error("密码必须包含数字！");
-        }
-
-        if (config.isRequireSpecialChar() && !hasSpecialChar) {
-            return AjaxResult.error("密码必须包含特殊字符！");
-        }
-
-        // 3. 检查是否包含常见弱密码
-        for (String weakPwd : config.getWeakPasswords()) {
-            if (newPassword.contains(weakPwd)) {
-                return AjaxResult.error("密码包含常见的弱密码片段: " + weakPwd);
-            }
-        }
-
-        // 4. 检查是否包含超过规定数量的连续字符
-        if (config.isRestrictConsecutiveChars() && containsConsecutiveCharacters(newPassword, config.getMaxConsecutiveChars())) {
+        // 4. 检查连续字符
+        if (config.isRestrictConsecutiveChars() && containsConsecutiveCharacters(newPassword.toLowerCase(), config.getMaxConsecutiveChars())) {
             return AjaxResult.error("密码不能包含超过" + config.getMaxConsecutiveChars() + "位连续字符！");
         }
 
-        // 5. 检查密码中是否包含用户名
-        if (config.isExcludeUsernameInPassword() && newPassword.contains(username)) {
+        // 5. 检查用户名
+        if (config.isExcludeUsernameInPassword() && newPassword.toLowerCase().contains(username.toLowerCase())) {
             return AjaxResult.error("密码不能包含账号！");
         }
 
-        // 6. 检查新密码是否与旧密码相同
+        // 6. 检查新旧密码是否相同
         if (SecurityUtils.matchesPassword(newPassword, oldPassword)) {
             return AjaxResult.error("新密码不能与原密码相同！");
         }
 
-        // 7. 检查新密码是否与历史密码相同
-        List<UserPasswordHistory> userPasswordHistories = passwordValidatorMapper.checkPasswordExpiry(userId);
-        // 如果没有找到密码历史记录，返回提示
-        if (userPasswordHistories.isEmpty()) {
-            return AjaxResult.success("没有找到密码历史记录。");
-        }
-        // 只取最近的五次修改记录
-        // 使用 Math.min 以确保不会超过实际记录数
-        int limit = Math.min(userPasswordHistories.size(), config.getPasswordHistoryLimit());
-        for (int i = 0; i < limit; i++) {
-            UserPasswordHistory history = userPasswordHistories.get(i);
-            // 比较新密码与历史密码
-            if (SecurityUtils.matchesPassword(newPassword, history.getNewPassword())) {
-                return AjaxResult.error("新密码不能与最近的" + config.getPasswordHistoryLimit() + "个旧密码相同！");
-            }
+        // 7. 检查密码历史
+        if (isPasswordInHistory(userId, newPassword)) {
+            return AjaxResult.error("新密码不能与最近的" + config.getPasswordHistoryLimit() + "个旧密码相同！");
         }
 
         return AjaxResult.success();
     }
 
+    private boolean isPasswordLengthValid(String password) {
+        return password.length() >= config.getMinLength() && password.length() <= config.getMaxLength();
+    }
+
+    private boolean isPasswordCharacterValid(String password) {
+        boolean hasUpperCase = false, hasLowerCase = false, hasDigit = false, hasSpecialChar = false;
+
+        for (char c : password.toCharArray()) {
+            if (Character.isUpperCase(c)) hasUpperCase = true;
+            if (Character.isLowerCase(c)) hasLowerCase = true;
+            if (Character.isDigit(c)) hasDigit = true;
+            if ("!@#$%^&*()-_=+[{]};:'\",<.>/?".indexOf(c) >= 0) hasSpecialChar = true;
+        }
+
+        if (config.isRequireUpperCase() && !hasUpperCase) return false;
+        if (config.isRequireLowerCase() && !hasLowerCase) return false;
+        if (config.isRequireDigit() && !hasDigit) return false;
+        return !(config.isRequireSpecialChar() && !hasSpecialChar);
+    }
+
+    private boolean containsWeakPassword(String password) {
+        Set<String> weakPasswords = new HashSet<>(config.getWeakPasswords());
+        for (String weakPwd : weakPasswords) {
+            if (password.contains(weakPwd)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
-     * 检查用户是否是首次登录
-     *
-     * @return 如果密码符合策略要求，则返回 true，否则返回 false
+     * 根据配置返回密码不符合要求时的错误提示信息
      */
+    private String getCharacterRequirementErrorMessage() {
+        if (config.isRequireUpperCase()) {
+            return "密码必须包含大写字母！";
+        }
+        if (config.isRequireLowerCase()) {
+            return "密码必须包含小写字母！";
+        }
+        if (config.isRequireDigit()) {
+            return "密码必须包含数字！";
+        }
+        if (config.isRequireSpecialChar()) {
+            return "密码必须包含特殊字符！";
+        }
+        return "密码不符合字符要求！";
+    }
+
+    private boolean isPasswordInHistory(Long userId, String newPassword) {
+        List<UserPasswordHistory> userPasswordHistories = passwordValidatorMapper.checkPasswordExpiry(userId);
+        if (userPasswordHistories.isEmpty()) return false;
+
+        // 只取最近的五次修改记录
+        int limit = Math.min(userPasswordHistories.size(), config.getPasswordHistoryLimit());
+        for (int i = 0; i < limit; i++) {
+            UserPasswordHistory history = userPasswordHistories.get(i);
+            if (SecurityUtils.matchesPassword(newPassword, history.getNewPassword())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public boolean checkFirstLogin() {
-        // 如果未开启首次登录强制修改密码功能，直接返回错误
         if (!config.isForcePasswordChangeOnFirstLogin()) {
             return false;
         }
         LoginUser loginUser = SecurityUtils.getLoginUser();
         SysUser sysUser = loginUser.getSysUser();
-        // 获取初始密码配置
         String initialPassword = configService.selectConfigByKey("sys.user.initPassword");
-        // 检查当前用户密码是否是初始密码
-        // 根据检查结果返回相应的响应
         return SecurityUtils.matchesPassword(initialPassword, sysUser.getPassword());
     }
 
-    /**
-     * 检查用户密码是否已过期，提示用户定期修改密码。
-     *
-     * @return 如果需要修改密码，返回 AjaxResult 提示用户修改，否则返回成功信息
-     */
     @Override
     public boolean checkPasswordExpiry() {
         Long userId = SecurityUtils.getUserId();
         List<UserPasswordHistory> userPasswordHistories = passwordValidatorMapper.checkPasswordExpiry(userId);
-        // 如果没有找到密码历史记录，返回错误
         if (userPasswordHistories.isEmpty()) {
             return false;
         }
-        // 获取最近的密码修改记录
         UserPasswordHistory userPasswordHistory = userPasswordHistories.get(0);
-        // 获取当前日期
         Date currentDate = DateUtils.getNowDate();
-        // 获取最近密码修改日期
         Date changeDate = DateUtils.toDate(userPasswordHistory.getChangeTimestamp());
 
-        // 计算最近密码修改到当前日期的天数
         long daysSinceChange = DateUtils.daysBetween(changeDate, currentDate);
-        // 检查是否达到定期修改密码的天数要求
         return daysSinceChange > config.getRegularlyChangePassword();
     }
 
-    /**
-     * 检查新密码是否在最近五次修改的密码中
-     *
-     * @param userId      用户ID
-     * @param newPassword 新密码
-     * @return 如果新密码在最近的五次修改记录中，返回错误提示，否则返回成功提示
-     */
     @Override
     public AjaxResult isPasswordInRecentHistory(Long userId, String newPassword) {
         List<UserPasswordHistory> userPasswordHistories = passwordValidatorMapper.checkPasswordExpiry(userId);
-
-        // 如果没有找到密码历史记录，返回提示
         if (userPasswordHistories.isEmpty()) {
             return AjaxResult.success("没有找到密码历史记录。");
         }
 
-        // 只取最近的五次修改记录
-        // 使用 Math.min 以确保不会超过实际记录数
         int limit = Math.min(userPasswordHistories.size(), config.getPasswordHistoryLimit());
         for (int i = 0; i < limit; i++) {
             UserPasswordHistory history = userPasswordHistories.get(i);
-            // 比较新密码与历史密码
             if (SecurityUtils.matchesPassword(newPassword, history.getNewPassword())) {
-                return AjaxResult.error("新密码不能与最近的密码相同。"); // 新密码在最近五次记录中
+                return AjaxResult.error("新密码不能与最近的密码相同。");
             }
         }
 
-        return AjaxResult.success("新密码有效。"); // 新密码不在记录中
+        return AjaxResult.success("新密码有效。");
     }
 
-    /**
-     * @param userPasswordHistory
-     * @return
-     */
     @Override
     public int addPasswordExpiry(UserPasswordHistory userPasswordHistory) {
         return passwordValidatorMapper.addPasswordExpiry(userPasswordHistory);
     }
 
     /**
-     * 帮助方法，用于检测密码是否包含超过 n 个连续相同字符。
-     *
-     * @param password 需要检查的密码
-     * @param n        允许的最大连续相同字符数量
-     * @return 如果包含连续字符，则返回 true，否则返回 false
+     * 检查密码中是否包含超过 n 个连续相同字符、连续递增/递减的数字或字母（不区分大小写）
      */
     private boolean containsConsecutiveCharacters(String password, int n) {
+        // 检查连续相同字符
+        n = n + 1;
         for (int i = 0; i <= password.length() - n; i++) {
-            boolean consecutive = true;
+            boolean consecutiveSameChar = true;
             for (int j = 1; j < n; j++) {
                 if (password.charAt(i + j) != password.charAt(i)) {
-                    consecutive = false;
+                    consecutiveSameChar = false;
                     break;
                 }
             }
-            if (consecutive) {
+            if (consecutiveSameChar) {
+                return true; // 包含超过 n 个连续相同字符
+            }
+        }
+
+        // 检查连续递增或递减的数字
+        for (int i = 0; i <= password.length() - n; i++) {
+            boolean consecutiveIncreasing = true;
+            boolean consecutiveDecreasing = true;
+            for (int j = 1; j < n; j++) {
+                char currentChar = password.charAt(i);
+                char nextChar = password.charAt(i + j);
+
+                // 检查数字递增或递减
+                if (Character.isDigit(currentChar) && Character.isDigit(nextChar)) {
+                    if (nextChar != currentChar + j) {
+                        consecutiveIncreasing = false;
+                    }
+                    if (nextChar != currentChar - j) {
+                        consecutiveDecreasing = false;
+                    }
+                } else {
+                    consecutiveIncreasing = false;
+                    consecutiveDecreasing = false;
+                    break;
+                }
+            }
+            if (consecutiveIncreasing || consecutiveDecreasing) {
+                return true; // 包含超过 n 个递增或递减的连续数字
+            }
+        }
+
+        // 检查连续递增或递减的字母（不区分大小写）
+        for (int i = 0; i <= password.length() - n; i++) {
+            boolean consecutiveIncreasing = true;
+            boolean consecutiveDecreasing = true;
+            for (int j = 1; j < n; j++) {
+                char currentChar = Character.toLowerCase(password.charAt(i)); // 转为小写
+                char nextChar = Character.toLowerCase(password.charAt(i + j)); // 转为小写
+
+                // 检查字母递增或递减
+                if (Character.isLetter(currentChar) && Character.isLetter(nextChar)) {
+                    if (nextChar != currentChar + j) {
+                        consecutiveIncreasing = false;
+                    }
+                    if (nextChar != currentChar - j) {
+                        consecutiveDecreasing = false;
+                    }
+                } else {
+                    consecutiveIncreasing = false;
+                    consecutiveDecreasing = false;
+                    break;
+                }
+            }
+            if (consecutiveIncreasing || consecutiveDecreasing) {
+                // 包含超过 n 个递增或递减的连续字母
                 return true;
             }
         }
+        // 不包含连续相同字符、数字或字母序列
         return false;
     }
 }