diff --git a/tool/src/main/java/org/apache/kylin/tool/metrics/systemcube/CubeDescCreator.java b/tool/src/main/java/org/apache/kylin/tool/metrics/systemcube/CubeDescCreator.java
index 1e998a9df08..19172a1b90d 100644
--- a/tool/src/main/java/org/apache/kylin/tool/metrics/systemcube/CubeDescCreator.java
+++ b/tool/src/main/java/org/apache/kylin/tool/metrics/systemcube/CubeDescCreator.java
@@ -450,7 +450,7 @@ public static CubeDesc generateKylinCubeDesc(String tableName, int storageType,
         desc.setHbaseMapping(hBaseMapping);
         desc.setNotifyList(Lists.<String> newArrayList());
         desc.setStatusNeedNotify(Lists.newArrayList(JobStatusEnum.ERROR.toString()));
-        desc.setAutoMergeTimeRanges(new long[] { 86400000L, 604800000L, 2419200000L });
+        desc.setAutoMergeTimeRanges(new long[] { 86400000L, 604800000L, 2419200000L, 7776000000L, 31104000000L });
         desc.setEngineType(IEngineAware.ID_MR_V2);
         desc.setStorageType(storageType);
         desc.setAggregationGroups(Lists.newArrayList(aggGroup));