diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
index ae6cfa322..82ea5caf1 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
@@ -14,18 +14,6 @@ import java.util.concurrent.*;
 @Slf4j
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class Threads {
-
-    /**
-     * sleep等待,单位为毫秒
-     */
-    public static void sleep(long milliseconds) {
-        try {
-            Thread.sleep(milliseconds);
-        } catch (InterruptedException e) {
-            return;
-        }
-    }
-
     /**
      * 停止线程池
      * 先使用shutdown, 停止接收新任务并尝试完成所有已存在任务.
diff --git a/ruoyi-common/ruoyi-common-mail/src/main/java/org/dromara/common/mail/config/properties/MailProperties.java b/ruoyi-common/ruoyi-common-mail/src/main/java/org/dromara/common/mail/config/properties/MailProperties.java
index d0e78a2ca..e44aa3da3 100644
--- a/ruoyi-common/ruoyi-common-mail/src/main/java/org/dromara/common/mail/config/properties/MailProperties.java
+++ b/ruoyi-common/ruoyi-common-mail/src/main/java/org/dromara/common/mail/config/properties/MailProperties.java
@@ -43,7 +43,13 @@ public class MailProperties {
     private String pass;
 
     /**
-     * 发送方，遵循RFC-822标准
+     * 发送方，遵循RFC-822标准<br>
+     * 发件人可以是以下形式：
+     *
+     * <pre>
+     * 1. user@xxx.xx
+     * 2.  name &lt;user@xxx.xx&gt;
+     * </pre>
      */
     private String from;
 
diff --git a/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java b/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java
new file mode 100644
index 000000000..3c2f70329
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java
@@ -0,0 +1,165 @@
+package org.dromara.common.redis.utils;
+
+import cn.hutool.core.date.DatePattern;
+import cn.hutool.core.date.DateUtil;
+import org.dromara.common.core.utils.SpringUtils;
+import org.dromara.common.core.utils.StringUtils;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.redisson.api.RIdGenerator;
+import org.redisson.api.RedissonClient;
+
+import java.time.Duration;
+
+/**
+ * 发号器工具类
+ *
+ * @author 秋辞未寒
+ * @date 2024-12-10
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class SequenceUtils {
+
+    /**
+     * 默认初始值
+     */
+    public static final Long DEFAULT_INIT_VALUE = 1L;
+    /**
+     * 默认步长
+     */
+    public static final Long DEFAULT_STEP_VALUE = 1L;
+    /**
+     * 默认过期时间-天
+     */
+    public static final Duration DEFAULT_EXPIRE_TIME_DAY = Duration.ofDays(1);
+    /**
+     * 默认过期时间-分钟
+     */
+    public static final Duration DEFAULT_EXPIRE_TIME_MINUTE = Duration.ofMinutes(1);
+
+    /**
+     * 获取Redisson客户端实例
+     */
+    private static final RedissonClient REDISSON_CLIENT = SpringUtils.getBean(RedissonClient.class);
+
+    /**
+     * 获取ID生成器
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return ID生成器
+     */
+    private static RIdGenerator getIdGenerator(String key, Duration expireTime, Long initValue, Long stepValue) {
+        if (initValue == null || initValue <= 0) {
+            initValue = DEFAULT_INIT_VALUE;
+        }
+        if (stepValue == null || stepValue <= 0) {
+            stepValue = DEFAULT_STEP_VALUE;
+        }
+        RIdGenerator idGenerator = REDISSON_CLIENT.getIdGenerator(key);
+        // 设置过期时间
+        idGenerator.expire(expireTime);
+        // 设置初始值和步长
+        idGenerator.tryInit(initValue, stepValue);
+        return idGenerator;
+    }
+
+    /**
+     * 获取指定业务key的唯一id
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return 唯一id
+     */
+    public static long nextId(String key, Duration expireTime, Long initValue, Long stepValue) {
+        return getIdGenerator(key, expireTime, initValue, stepValue).nextId();
+    }
+
+    /**
+     * 获取指定业务key的唯一id字符串
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return 唯一id
+     */
+    public static String nextIdStr(String key, Duration expireTime, Long initValue, Long stepValue) {
+        return String.valueOf(nextId(key, expireTime, initValue, stepValue));
+    }
+
+    /**
+     * 获取指定业务key的唯一id (ID初始值=1,ID步长=1)
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @return 唯一id
+     */
+    public static long nextId(String key, Duration expireTime) {
+        return getIdGenerator(key, expireTime, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+    }
+
+    /**
+     * 获取指定业务key的唯一id字符串 (ID初始值=1,ID步长=1)
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @return 唯一id
+     */
+    public static String nextIdStr(String key, Duration expireTime) {
+        return String.valueOf(nextId(key, expireTime));
+    }
+
+    /**
+     * 获取 yyyyMMdd 开头的唯一id
+     *
+     * @return 唯一id
+     */
+    public static String nextIdDate() {
+        return nextIdDate("");
+    }
+
+    /**
+     * 获取 prefix + yyyyMMdd 开头的唯一id
+     *
+     * @param prefix 业务前缀
+     * @return 唯一id
+     */
+    public static String nextIdDate(String prefix) {
+        // 前缀+日期 构建 prefixKey
+        String prefixKey = StringUtils.format("{}{}", StringUtils.blankToDefault(prefix, ""), DateUtil.format(DateUtil.date(), DatePattern.PURE_DATE_FORMATTER));
+        // 获取下一个id
+        long nextId = getIdGenerator(prefixKey, DEFAULT_EXPIRE_TIME_DAY, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+        // 返回完整id
+        return StringUtils.format("{}{}", prefixKey, nextId);
+    }
+
+    /**
+     * 获取 yyyyMMddHHmmss 开头的唯一id
+     *
+     * @return 唯一id
+     */
+    public static String nextIdDateTime() {
+        return nextIdDateTime("");
+    }
+
+    /**
+     * 获取 prefix + yyyyMMddHHmmss 开头的唯一id
+     *
+     * @param prefix 业务前缀
+     * @return 唯一id
+     */
+    public static String nextIdDateTime(String prefix) {
+        // 前缀+日期时间 构建 prefixKey
+        String prefixKey = StringUtils.format("{}{}", StringUtils.blankToDefault(prefix, ""), DateUtil.format(DateUtil.date(), DatePattern.PURE_DATETIME_FORMATTER));
+        // 获取下一个id
+        long nextId = getIdGenerator(prefixKey, DEFAULT_EXPIRE_TIME_MINUTE, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+        // 返回完整id
+        return StringUtils.format("{}{}", prefixKey, nextId);
+    }
+
+}
diff --git a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisCacheController.java b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisCacheController.java
index 341880c5d..303cf885d 100644
--- a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisCacheController.java
+++ b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisCacheController.java
@@ -1,5 +1,6 @@
 package org.dromara.demo.controller;
 
+import cn.hutool.core.thread.ThreadUtil;
 import org.dromara.common.core.constant.CacheNames;
 import org.dromara.common.core.domain.R;
 import org.dromara.common.redis.utils.RedisUtils;
@@ -83,11 +84,7 @@ public class RedisCacheController {
         RedisUtils.setCacheObject(key, value);
         boolean flag = RedisUtils.expire(key, Duration.ofSeconds(10));
         System.out.println("***********" + flag);
-        try {
-            Thread.sleep(11 * 1000);
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
+        ThreadUtil.sleep(11 * 1000);
         Object obj = RedisUtils.getCacheObject(key);
         return R.ok(value.equals(obj));
     }
diff --git a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
index b7e096266..237b6ee2d 100644
--- a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
+++ b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
@@ -1,5 +1,6 @@
 package org.dromara.demo.controller;
 
+import cn.hutool.core.thread.ThreadUtil;
 import com.baomidou.lock.LockInfo;
 import com.baomidou.lock.LockTemplate;
 import com.baomidou.lock.annotation.Lock4j;
@@ -33,13 +34,9 @@ public class RedisLockController {
     @Lock4j(keys = {"#key"})
     @GetMapping("/testLock4j")
     public R<String> testLock4j(String key, String value) {
-        System.out.println("start:" + key + ",time:" + LocalTime.now().toString());
-        try {
-            Thread.sleep(10000);
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-        System.out.println("end :" + key + ",time:" + LocalTime.now().toString());
+        System.out.println("start:" + key + ",time:" + LocalTime.now());
+        ThreadUtil.sleep(10000);
+        System.out.println("end :" + key + ",time:" + LocalTime.now());
         return R.ok("操作成功", value);
     }
 
@@ -54,11 +51,7 @@ public class RedisLockController {
         }
         // 获取锁成功，处理业务
         try {
-            try {
-                Thread.sleep(8000);
-            } catch (InterruptedException e) {
-                //
-            }
+            ThreadUtil.sleep(8000);
             System.out.println("执行简单方法1 , 当前线程:" + Thread.currentThread().getName());
         } finally {
             //释放锁
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysClientController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysClientController.java
index 13be4a4a9..eaed06847 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysClientController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysClientController.java
@@ -97,7 +97,7 @@ public class SysClientController extends BaseController {
     @Log(title = "客户端管理", businessType = BusinessType.UPDATE)
     @PutMapping("/changeStatus")
     public R<Void> changeStatus(@RequestBody SysClientBo bo) {
-        return toAjax(sysClientService.updateUserStatus(bo.getClientId(), bo.getStatus()));
+        return toAjax(sysClientService.updateClientStatus(bo.getClientId(), bo.getStatus()));
     }
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysUserController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysUserController.java
index d4cecbe14..e1e868a6e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysUserController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysUserController.java
@@ -218,7 +218,7 @@ public class SysUserController extends BaseController {
     @GetMapping("/optionselect")
     public R<List<SysUserVo>> optionselect(@RequestParam(required = false) Long[] userIds,
                                            @RequestParam(required = false) Long deptId) {
-        return R.ok(userService.selectUserByIds(userIds == null ? null : List.of(userIds), deptId));
+        return R.ok(userService.selectUserByIds(ArrayUtil.isEmpty(userIds) ? null : List.of(userIds), deptId));
     }
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
index d0f8a3cbe..546c3f33a 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
@@ -50,7 +50,7 @@ public interface ISysClientService {
     /**
      * 修改状态
      */
-    int updateUserStatus(String clientId, String status);
+    int updateClientStatus(String clientId, String status);
 
     /**
      * 校验并批量删除客户端管理信息
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysClientServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysClientServiceImpl.java
index 1c6924320..4f6e676df 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysClientServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysClientServiceImpl.java
@@ -123,7 +123,7 @@ public class SysClientServiceImpl implements ISysClientService {
      */
     @CacheEvict(cacheNames = CacheNames.SYS_CLIENT, key = "#clientId")
     @Override
-    public int updateUserStatus(String clientId, String status) {
+    public int updateClientStatus(String clientId, String status) {
         return baseMapper.update(null,
             new LambdaUpdateWrapper<SysClient>()
                 .set(SysClient::getStatus, status)
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
index f9b11d4fd..bdcc53b8b 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
@@ -116,7 +116,7 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
                         .setName(dept.getDeptName())
                         .setWeight(dept.getOrderNum())
                         .putExtra("disabled", SystemConstants.DISABLE.equals(dept.getStatus())));
-                Tree<Long> tree = trees.stream().filter(it -> it.getId().longValue() == d.getDeptId()).findFirst().get();
+                Tree<Long> tree = StreamUtils.findFirst(trees, it -> it.getId().longValue() == d.getDeptId());
                 treeList.add(tree);
             }
         }
@@ -425,4 +425,29 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
         return baseMapper.deleteById(deptId);
     }
 
+    /**
+     * 根据部门ID查询部门负责人
+     *
+     * @param deptId 部门ID，用于指定需要查询的部门
+     * @return 返回该部门的负责人ID
+     */
+    @Override
+    public Long selectDeptLeaderById(Long deptId) {
+        SysDeptVo vo = SpringUtils.getAopProxy(this).selectDeptById(deptId);
+        return vo.getLeader();
+    }
+
+    /**
+     * 查询部门
+     *
+     * @return 部门列表
+     */
+    @Override
+    public List<DeptDTO> selectDeptsByList() {
+        List<SysDeptVo> list = baseMapper.selectDeptList(new LambdaQueryWrapper<SysDept>()
+            .select(SysDept::getDeptId, SysDept::getDeptName, SysDept::getParentId)
+            .eq(SysDept::getStatus, SystemConstants.NORMAL));
+        return BeanUtil.copyToList(list, DeptDTO.class);
+    }
+
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
index b95baf44b..72b497eca 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
@@ -118,8 +118,7 @@ public class SysLogininforServiceImpl implements ISysLogininforService {
             .between(params.get("beginTime") != null && params.get("endTime") != null,
                 SysLogininfor::getLoginTime, params.get("beginTime"), params.get("endTime"));
         if (StringUtils.isBlank(pageQuery.getOrderByColumn())) {
-            pageQuery.setOrderByColumn("info_id");
-            pageQuery.setIsAsc("desc");
+            lqw.orderByDesc(SysLogininfor::getInfoId);
         }
         Page<SysLogininforVo> page = baseMapper.selectVoPage(pageQuery.build(), lqw);
         return TableDataInfo.build(page);
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOperLogServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOperLogServiceImpl.java
index 750e455ac..27c2f32d5 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOperLogServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOperLogServiceImpl.java
@@ -53,8 +53,7 @@ public class SysOperLogServiceImpl implements ISysOperLogService {
     public TableDataInfo<SysOperLogVo> selectPageOperLogList(SysOperLogBo operLog, PageQuery pageQuery) {
         LambdaQueryWrapper<SysOperLog> lqw = buildQueryWrapper(operLog);
         if (StringUtils.isBlank(pageQuery.getOrderByColumn())) {
-            pageQuery.setOrderByColumn("oper_id");
-            pageQuery.setIsAsc("desc");
+            lqw.orderByDesc(SysOperLog::getOperId);
         }
         Page<SysOperLogVo> page = baseMapper.selectVoPage(pageQuery.build(), lqw);
         return TableDataInfo.build(page);