diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index df4cc5f468..19024646b8 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -405,7 +405,7 @@
 ,,y,script,./test.sh -f tmp/monitor.sim
 
 #system test
-
+,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/balance_vgroups_r1.py -N 6
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/taosShell.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/taosShellError.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/taosShellNetChk.py
diff --git a/tests/system-test/0-others/balance_vgroups_r1.py b/tests/system-test/0-others/balance_vgroups_r1.py
new file mode 100644
index 0000000000..ae504cbab1
--- /dev/null
+++ b/tests/system-test/0-others/balance_vgroups_r1.py
@@ -0,0 +1,99 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+
+from util import constant
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.common import *
+from util.sqlset import *
+from util.cluster import *
+class TDTestCase:
+    def init(self, conn, logSql, replicaVar=1):
+        self.replicaVar = int(replicaVar)
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        self.dnode_num=len(cluster.dnodes)
+        self.dbname = 'db_test'
+        self.setsql = TDSetSql()
+        self.stbname = f'{self.dbname}.stb'
+        self.rowNum = 5
+        self.tbnum = 10
+        self.ts = 1537146000000
+        self.binary_str = 'taosdata'
+        self.nchar_str = '涛思数据'
+        self.column_dict = {
+            'ts'  : 'timestamp',
+            'col1': 'tinyint',
+            'col2': 'smallint',
+            'col3': 'int',
+            'col4': 'bigint',
+            'col5': 'tinyint unsigned',
+            'col6': 'smallint unsigned',
+            'col7': 'int unsigned',
+            'col8': 'bigint unsigned',
+            'col9': 'float',
+            'col10': 'double',
+            'col11': 'bool',
+            'col12': 'binary(20)',
+            'col13': 'nchar(20)'
+        }
+        self.replica = [1,3]
+
+    def insert_data(self,column_dict,tbname,row_num):
+        insert_sql = self.setsql.set_insertsql(column_dict,tbname,self.binary_str,self.nchar_str)
+        for i in range(row_num):
+            insert_list = []
+            self.setsql.insert_values(column_dict,i,insert_sql,insert_list,self.ts)
+    def prepare_data(self,dbname,stbname,column_dict,tbnum,rowNum,replica):
+        tag_dict = {
+            't0':'int'
+        }
+        tag_values = [
+            f'1'
+            ]
+        tdSql.execute(f"create database if not exists {dbname} vgroups 1 replica {replica} ")
+        tdSql.execute(f'use {dbname}')
+        tdSql.execute(self.setsql.set_create_stable_sql(stbname,column_dict,tag_dict))
+        for i in range(tbnum):
+            tdSql.execute(f"create table {stbname}_{i} using {stbname} tags({tag_values[0]})")
+            self.insert_data(self.column_dict,f'{stbname}_{i}',rowNum)
+    def redistribute_vgroups(self,replica,stbname,tbnum,rownum):
+        tdSql.query('show vgroups')
+        vnode_id = tdSql.queryResult[0][0]
+        if replica == 1:
+            for dnode_id in range(1,self.dnode_num+1) :
+                tdSql.execute(f'redistribute vgroup {vnode_id} dnode {dnode_id}')
+                tdSql.query(f'select count(*) from {stbname}')
+                tdSql.checkEqual(tdSql.queryResult[0][0],tbnum*rownum)
+        elif replica == 3:
+            for dnode_id in range(1,self.dnode_num-1):
+                tdSql.execute(f'redistribute vgroup {vnode_id} dnode {dnode_id} dnode {dnode_id+1} dnode {dnode_id+2}')
+                tdSql.query(f'select count(*) from {stbname}')
+                tdSql.checkEqual(tdSql.queryResult[0][0],tbnum*rownum)
+        
+    def run(self):
+        for replica in self.replica:
+            self.prepare_data(self.dbname,self.stbname,self.column_dict,self.tbnum,self.rowNum,replica)
+            self.redistribute_vgroups(replica,self.stbname,self.tbnum,self.rowNum)
+            tdSql.execute(f'drop database {self.dbname}')
+
+           
+       
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file