diff --git a/tests/system-test/6-cluster/manually-test/6dnode3mnodeInsertLessDataAlterRep3to1to3.py b/tests/system-test/6-cluster/manually-test/6dnode3mnodeInsertLessDataAlterRep3to1to3.py
index aa0c7a0177..be170e0f76 100644
--- a/tests/system-test/6-cluster/manually-test/6dnode3mnodeInsertLessDataAlterRep3to1to3.py
+++ b/tests/system-test/6-cluster/manually-test/6dnode3mnodeInsertLessDataAlterRep3to1to3.py
@@ -177,7 +177,7 @@ class TDTestCase:
             tdSql.query("select count(*) from %s"%stableName)
             tdSql.checkData(0,0,rowsPerStb)
         
-        clusterComCheck.check_vgroups_status(vgroup_numbers=paraDict["vgroups"],db_replica=replica1,db_name=paraDict["dbName"],count_number=40)
+        clusterComCheck.check_vgroups_status(vgroup_numbers=paraDict["vgroups"],db_replica=replica1,db_name=paraDict["dbName"],count_number=60)
         sleep(5)
         tdLog.info(f"show transactions;alter database db0_0 replica {replica3};")
         TdSqlEx.execute(f'show transactions;')