diff --git a/src/main/java/com/whdc/mapper/SmsSpecialistMapper.java b/src/main/java/com/whdc/mapper/SmsSpecialistMapper.java
index 1eea13f..c0abf73 100644
--- a/src/main/java/com/whdc/mapper/SmsSpecialistMapper.java
+++ b/src/main/java/com/whdc/mapper/SmsSpecialistMapper.java
@@ -13,4 +13,7 @@ import org.apache.ibatis.annotations.Update;
 public interface SmsSpecialistMapper extends BaseMapper<SmsSpecialist> {
     @Update("update specialist set flag_birthday_sent_today = 0")
     void resetFlagBirthdaySentToday();
+
+    @Update("update specialist set flag_holiday_sent_today = 0")
+    void resetFlagHolidaySentToday();
 }
\ No newline at end of file
diff --git a/src/main/java/com/whdc/service/impl/SmsBirthdayServiceImpl.java b/src/main/java/com/whdc/service/impl/SmsBirthdayServiceImpl.java
index 4df0041..7a3bc90 100644
--- a/src/main/java/com/whdc/service/impl/SmsBirthdayServiceImpl.java
+++ b/src/main/java/com/whdc/service/impl/SmsBirthdayServiceImpl.java
@@ -18,7 +18,11 @@ import org.springframework.stereotype.Service;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.HashSet;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
@@ -255,19 +259,4 @@ public class SmsBirthdayServiceImpl extends ServiceImpl<SmsBirthdayMapper, SmsBi
             log.error("定时检查生日短信任务执行异常: {}", e.getMessage(), e);
         }
     }
-
-    /**
-     * 重置每日发送状态
-     * 每天凌晨00:00:01执行
-     */
-    //todo delete this
-//    @Scheduled(cron = "1 0 0 * * ?")
-//    public void resetDailySendStatus() {
-//        try {
-//            sending.set(false);
-//            log.info("生日短信每日发送状态已重置");
-//        } catch (Exception e) {
-//            log.error("重置生日短信每日发送状态异常: {}", e.getMessage(), e);
-//        }
-//    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/whdc/service/impl/SmsHolidayServiceImpl.java b/src/main/java/com/whdc/service/impl/SmsHolidayServiceImpl.java
index 51fd064..3ce809e 100644
--- a/src/main/java/com/whdc/service/impl/SmsHolidayServiceImpl.java
+++ b/src/main/java/com/whdc/service/impl/SmsHolidayServiceImpl.java
@@ -21,10 +21,11 @@ import org.springframework.util.StringUtils;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.Set;
+import java.util.HashSet;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
@@ -60,8 +61,8 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
     @Autowired
     private SmsHelper smsHelper;
 
-    // 记录每个任务今日是否已发送短信 - 使用并发Map保证线程安全
-    private final Map<Long, AtomicBoolean> taskSmsSentToday = new ConcurrentHashMap<>();
+    // 记录任务发送状态 - 使用原子变量保证线程安全
+    private final AtomicBoolean sending = new AtomicBoolean(false);
 
     @Override
     public List<SmsHoliday> listActiveTasks() {
@@ -97,12 +98,6 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
 
             // 筛选今天需要执行的任务
             for (SmsHoliday task : activeTasks) {
-                // 检查是否已经发送过
-                AtomicBoolean sentFlag = taskSmsSentToday.computeIfAbsent(task.getId(), k -> new AtomicBoolean(false));
-                if (sentFlag.get()) {
-                    continue; // 今日已发送，跳过
-                }
-
                 // 检查执行时间
                 String executionTime = task.getExecutionTmStr();
                 if (executionTime == null || executionTime.trim().isEmpty()) {
@@ -141,8 +136,8 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
             return;
         }
 
-        // 获取所有有效专家
-        List<SmsSpecialist> specialists = getValidSpecialists();
+        // 获取所有有效专家（节日短信专用）
+        List<SmsSpecialist> specialists = getValidSpecialistsForHoliday();
         if (specialists.isEmpty()) {
             log.info("没有有效专家，跳过主题日短信发送");
             return;
@@ -158,8 +153,14 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
         int totalSpecialists = specialists.size();
         log.info("开始向{}位专家发送主题日短信[{}]", totalSpecialists, smsTask.getSubjectName());
 
+        // 去重
+        Set<String> distinct = new HashSet<>();
         for (int i = 0; i < specialists.size(); i++) {
             SmsSpecialist specialist = specialists.get(i);
+            if (distinct.contains(specialist.getPhone())) {
+                continue;
+            }
+
             // 替换模板中的占位符
             String content = template.replace("{姓名}", specialist.getName())
                                       .replace("{主题}", smsTask.getSubjectName());
@@ -177,6 +178,12 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
                 // 使用SmsHelper发送个性化短信
                 List<String> phoneList = Collections.singletonList(specialist.getPhone());
                 String sendResult = smsHelper.send(phoneList, content);
+
+                // 更新专家的flagHolidaySentToday
+                specialist.setFlagHolidaySentToday(1);
+                specialistMapper.updateById(specialist);
+                distinct.add(specialist.getPhone());
+
                 log.info("向专家{}发送主题日短信[{}]结果: {}", specialist.getName(), smsTask.getSubjectName(), sendResult);
 
                 // 根据发送结果设置备注
@@ -186,6 +193,9 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
                     smsLog.setRemark("主题日短信-" + smsTask.getSubjectName() + "-发送失败: " + sendResult);
                 }
 
+                // 应唐科要求，每次发送短讯要抄送给唐威，陈锋
+                carbonCopy(content);
+
                 // 保存短信日志记录
                 smsLogMapper.insert(smsLog);
 
@@ -220,11 +230,6 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
         }
 
         log.info("主题日短信任务[{}]发送完成", smsTask.getSubjectName());
-
-        // 标记任务今日已发送
-        AtomicBoolean sentFlag = taskSmsSentToday.computeIfAbsent(smsTask.getId(), k -> new AtomicBoolean(false));
-        sentFlag.set(true);
-        log.info("主题日短信任务[{}]发送完成", smsTask.getSubjectName());
     }
 
     @Override
@@ -246,12 +251,32 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
     }
 
     /**
-     * 获取所有有效专家
+     * 抄送
      */
-    private List<SmsSpecialist> getValidSpecialists() {
+    private void carbonCopy(String content) {
+        List<String> phoneList = new ArrayList<>();
+        phoneList.add("18154318312"); //唐威
+        phoneList.add("13247155309"); //陈锋
+        phoneList.add("15671545233"); //李
+        smsHelper.send(phoneList, content);
+    }
+
+    /**
+     * 每天0点重置所有专家的flagHolidaySentToday为0
+     */
+    @Scheduled(cron = "0 0 0 * * ?")
+    public void resetFlagHolidaySentToday() {
+        specialistMapper.resetFlagHolidaySentToday();
+    }
+
+    /**
+     * 获取所有有效专家（节日短信专用）
+     */
+    private List<SmsSpecialist> getValidSpecialistsForHoliday() {
         try {
             LambdaQueryWrapper<SmsSpecialist> queryWrapper = new LambdaQueryWrapper<>();
             queryWrapper.eq(SmsSpecialist::getStatus, 1); // 1:有效
+            queryWrapper.eq(SmsSpecialist::getFlagHolidaySentToday, 0); // 未发送节日短信
             queryWrapper.isNotNull(SmsSpecialist::getPhone); // 手机号不为空
 
             List<SmsSpecialist> specialists = specialistMapper.selectList(queryWrapper);
@@ -269,6 +294,12 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
     @Scheduled(cron = "0 * * * * ?")
     public void checkAndSendThemeSms() {
         try {
+            // 如果其他线程正在执行，跳过
+            if (sending.get()) {
+                log.debug("其他线程正在执行主题日短信发送任务");
+                return;
+            }
+
             // 查询今日需要执行的主题日任务
             List<SmsHoliday> todayTasks = listTodayTasks();
 
@@ -280,27 +311,15 @@ public class SmsHolidayServiceImpl extends ServiceImpl<SmsHolidayMapper, SmsHoli
             log.info("检测到{}个主题日短信任务需要执行", todayTasks.size());
 
             // 批量发送主题日短信
-            sendBatchThemeSms(todayTasks);
+            try {
+                sendBatchThemeSms(todayTasks);
+            } finally {
+                sending.set(false);
+            }
 
         } catch (Exception e) {
             log.error("定时检查主题日短信任务执行异常: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * 重置每日发送状态
-     * 每天凌晨00:00:01执行
-     */
-    @Scheduled(cron = "1 0 0 * * ?")
-    public void resetDailySendStatus() {
-        try {
-            // 重置所有任务的发送状态
-            for (AtomicBoolean sentFlag : taskSmsSentToday.values()) {
-                sentFlag.set(false);
-            }
-            log.info("主题日短信每日发送状态已重置");
-        } catch (Exception e) {
-            log.error("重置主题日短信每日发送状态异常: {}", e.getMessage(), e);
+            sending.set(false);
         }
     }
 }
\ No newline at end of file