BUGFIX;

src/main/java/com/ai/da/common/config/MyTaskScheduler.java

@@ -36,7 +36,7 @@ public class MyTaskScheduler {
             Long currentTimestamp = System.currentTimeMillis();
 
             // 计算时间差（毫秒）
-            long timeDifference = currentTimestamp - timestamp;
+            long timeDifference = timestamp - currentTimestamp;
 
             if (timeDifference < 0) {
                 continue;

src/main/java/com/ai/da/common/utils/SendEmailUtil.java

@@ -293,7 +293,7 @@ public class SendEmailUtil {
             // 根据邮件类型设置不同的主题和模板
             String subject = "";
             Template template = new Template();
-            subject = "Upcoming AiDA 3.0 Launch and Scheduled Maintenance";
+            subject = "Notice: AiDA 3.0 Website Maintenance Downtime";
             template.setTemplateID(UPGRADE_NOTIFICATION_ID);
             template.setTemplateData(buildAccountData(account));