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 55d3e8fb..1150cf3d 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
@@ -17,7 +17,7 @@ public class AutoClearDataTask {
     XhpcDeviceMessageMapper messageMapper;
 
     /**
-     * 清理一个月前的数据
+     * 清理7天前的数据
      */
     @Scheduled(cron = "0 0 5 * * ?")
     private void autoClearDeviceMessageData(){