diff --git a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
index 246f3e94..3a659826 100644
--- a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
@@ -3672,30 +3672,63 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
 
 /*    @Override
     public void send618PromotionEmailTemp() {
-        QueryWrapper<TrialOrder> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("is_deleted", 0);
+        QueryWrapper<Account> queryWrapper = new QueryWrapper<>();
 
-        List<TrialOrder> trialOrders = trialOrderMapper.selectList(queryWrapper);
+        queryWrapper.lambda()
+            .isNotNull(Account::getUserEmail)
+//            .in(Account::getUserEmail, "xupei3360@163.com", "kimwong@code-create.com.hk", "kaicpang.pang@connect.polyu.hk", "chelseayu@code-create.com.hk")
+            .apply("LENGTH(TRIM(user_email)) > 0");
 
-//        List<Account> accountList = accountMapper.selectList(queryWrapper);
-        System.out.println(trialOrders);
-        int total = trialOrders.size();
-        log.info("试用用户总量：{}", total);
-        int current = 1;
-        for (TrialOrder trialOrder : trialOrders) {
-            log.info("邮件发送进度 {}/{}", current, total);
-            try {
-                if (!StringUtil.isNullOrEmpty(trialOrder.getCountry()) && trialOrder.getCountry().equals("China")) {
-                    SendEmailUtil.send618PromotionEmailTemp(trialOrder.getEmail(), "CHINESE_SIMPLIFIED");
-                } else {
-                    // 英文
-                    SendEmailUtil.send618PromotionEmailTemp(trialOrder.getEmail(), "ENGLISH");
-                }
-            }catch (Exception e) {
-                log.info(e.getMessage());
+        List<Account> accounts = baseMapper.selectList(queryWrapper);
+
+        // 按邮箱去重，保留每个邮箱的第一条记录
+        Map<String, Account> emailToAccountMap = new LinkedHashMap<>();
+        for (Account account : accounts) {
+            String email = account.getUserEmail();
+            if (!StringUtil.isNullOrEmpty(email)) {
+                email = email.trim().toLowerCase();
+                // 保留第一次出现的记录
+                emailToAccountMap.putIfAbsent(email, account);
             }
-            current ++;
         }
+
+        List<String> uniqueEmails = new ArrayList<>(emailToAccountMap.keySet());
+        int total = uniqueEmails.size();
+        log.info("AiDA用户去重后邮件发送总量：{}", total);
+
+        // 控制发送速率：每发送20封后等待1秒，控制QPS在20以内
+        int batchSize = 20;
+        long sleepMillis = 1000;
+        int successCount = 0;
+        int failCount = 0;
+
+        for (int i = 0; i < uniqueEmails.size(); i++) {
+            String email = uniqueEmails.get(i);
+            log.info("邮件发送进度 {}/{}", i + 1, total);
+
+            try {
+                // 统一发送英文版本
+//                log.info("邮件地址 {}", email);
+                SendEmailUtil.send618PromotionEmailTemp(email, "ENGLISH");
+                successCount++;
+            } catch (Exception e) {
+                failCount++;
+                log.error("邮件发送失败，收件人：{}，错误信息：{}", email, e.getMessage());
+            }
+
+            // 控制发送速率，每发送 batchSize 封后等待
+            if ((i + 1) % batchSize == 0 && (i + 1) < uniqueEmails.size()) {
+                try {
+                    Thread.sleep(sleepMillis);
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                    log.warn("邮件发送被中断");
+                    break;
+                }
+            }
+        }
+
+        log.info("邮件发送完成，成功：{}，失败：{}", successCount, failCount);
     }*/
 
     @Override