diff --git a/xhpc-modules/xhpc-activity/src/main/java/com/xhpc/activity/task/AutoClearDataTask.java b/xhpc-modules/xhpc-activity/src/main/java/com/xhpc/activity/task/AutoClearDataTask.java
index f2fe0a1b..55d3e8fb 100644
--- a/xhpc-modules/xhpc-activity/src/main/java/com/xhpc/activity/task/AutoClearDataTask.java
+++ b/xhpc-modules/xhpc-activity/src/main/java/com/xhpc/activity/task/AutoClearDataTask.java
@@ -22,7 +22,7 @@ public class AutoClearDataTask {
     @Scheduled(cron = "0 0 5 * * ?")
     private void autoClearDeviceMessageData(){
 
-        String date = DateUtil.date2String(DateUtil.addDay(new Date(), -30), "yyyy-MM-dd");
+        String date = DateUtil.date2String(DateUtil.addDay(new Date(), -7), "yyyy-MM-dd");
         messageMapper.deleteMessageByDate(date);
 
     }