diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index bfb4f47d4660a682cd14f7fe1b85048fbd9593a8..0cea23d6cf121c30cac5793978d50ce76adc5b99 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -416,6 +416,7 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/cachemodel.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/sysinfo.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_control.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_manage.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/fsync.py
 ,,n,system-test,python3 ./test.py -f 0-others/compatibility.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/alter_database.py
diff --git a/tests/system-test/0-others/user_manage.py b/tests/system-test/0-others/user_manage.py
new file mode 100644
index 0000000000000000000000000000000000000000..5148e26b396355389a605b42058ddcbdb8524bb2
--- /dev/null
+++ b/tests/system-test/0-others/user_manage.py
@@ -0,0 +1,192 @@
+###################################################################
+#           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 -*-
+
+import taos
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.common import *
+from util.sqlset import *
+from taos.tmq 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.setsql = TDSetSql()
+        self.stbname = 'stb'
+        self.binary_length = 20 # the length of binary for column_dict
+        self.nchar_length = 20  # the length of nchar for column_dict
+        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': f'binary({self.binary_length})',
+            'col13': f'nchar({self.nchar_length})'
+        }
+        self.tag_dict = {
+            'ts_tag'  : 'timestamp',
+            't1': 'tinyint',
+            't2': 'smallint',
+            't3': 'int',
+            't4': 'bigint',
+            't5': 'tinyint unsigned',
+            't6': 'smallint unsigned',
+            't7': 'int unsigned',
+            't8': 'bigint unsigned',
+            't9': 'float',
+            't10': 'double',
+            't11': 'bool',
+            't12': f'binary({self.binary_length})',
+            't13': f'nchar({self.nchar_length})'
+        }
+        self.tag_list = [
+            f'now,1,2,3,4,5,6,7,8,9.9,10.1,true,"abcd","涛思数据"'
+        ]
+        self.values_list = [
+            f'now,1,2,3,4,5,6,7,8,9.9,10.1,true,"abcd","涛思数据"'
+        ]
+        self.tbnum = 1
+    def prepare_data(self):
+        tdSql.execute(self.setsql.set_create_stable_sql(self.stbname,self.column_dict,self.tag_dict))
+        for i in range(self.tbnum):
+            tdSql.execute(f'create table {self.stbname}_{i} using {self.stbname} tags({self.tag_list[i]})')
+            for j in self.values_list:
+                tdSql.execute(f'insert into {self.stbname}_{i} values({j})')
+    def create_user(self):
+        for user_name in ['jiacy1_all','jiacy1_read','jiacy1_write','jiacy1_none','jiacy0_all','jiacy0_read','jiacy0_write','jiacy0_none']:
+            if 'jiacy1' in user_name.lower():
+                tdSql.execute(f'create user {user_name} pass "123" sysinfo 1')
+            elif 'jiacy0' in user_name.lower():
+                tdSql.execute(f'create user {user_name} pass "123" sysinfo 0')
+        for user_name in ['jiacy1_all','jiacy1_read','jiacy0_all','jiacy0_read']:
+            tdSql.execute(f'grant read on db to {user_name}')
+        for user_name in ['jiacy1_all','jiacy1_write','jiacy0_all','jiacy0_write']:
+            tdSql.execute(f'grant write on db to {user_name}')
+
+    def user_privilege_check(self):
+        jiacy1_read_conn = taos.connect(user='jiacy1_read',password='123')
+        sql = "create table ntb (ts timestamp,c0 int)"
+        expectErrNotOccured = True
+        try:
+            jiacy1_read_conn.execute(sql)
+        except BaseException:
+            expectErrNotOccured = False
+        if expectErrNotOccured:
+            caller = inspect.getframeinfo(inspect.stack()[1][0])
+            tdLog.exit(f"{caller.filename}({caller.lineno}) failed: sql:{sql}, expect error not occured" )
+        else:
+            self.queryRows = 0
+            self.queryCols = 0
+            self.queryResult = None
+            tdLog.info(f"sql:{sql}, expect error occured")
+        pass
+    def drop_topic(self):
+        jiacy1_all_conn = taos.connect(user='jiacy1_all',password='123')
+        jiacy1_read_conn = taos.connect(user='jiacy1_read',password='123')
+        jiacy1_write_conn = taos.connect(user='jiacy1_write',password='123')
+        jiacy1_none_conn = taos.connect(user='jiacy1_none',password='123')
+        jiacy0_all_conn = taos.connect(user='jiacy0_all',password='123')
+        jiacy0_read_conn = taos.connect(user='jiacy0_read',password='123')
+        jiacy0_write_conn = taos.connect(user='jiacy0_write',password='123')
+        jiacy0_none_conn = taos.connect(user='jiacy0_none',password='123')
+        tdSql.execute('create topic root_db as select * from db.stb')
+        for user in [jiacy1_all_conn,jiacy1_read_conn,jiacy0_all_conn,jiacy0_read_conn]:
+            user.execute(f'create topic db_jiacy as select * from db.stb')
+            user.execute('drop topic db_jiacy')
+        for user in [jiacy1_write_conn,jiacy1_none_conn,jiacy0_write_conn,jiacy0_none_conn,jiacy1_all_conn,jiacy1_read_conn,jiacy0_all_conn,jiacy0_read_conn]:
+            sql_list = []
+            if user in [jiacy1_all_conn,jiacy1_read_conn,jiacy0_all_conn,jiacy0_read_conn]:
+                sql_list = ['drop topic root_db']
+            elif user in [jiacy1_write_conn,jiacy1_none_conn,jiacy0_write_conn,jiacy0_none_conn]:
+                sql_list = ['drop topic root_db','create topic db_jiacy as select * from db.stb']
+            for sql in sql_list:
+                expectErrNotOccured = True
+                try:
+                    user.execute(sql)
+                except BaseException:
+                    expectErrNotOccured = False
+                if expectErrNotOccured:
+                    caller = inspect.getframeinfo(inspect.stack()[1][0])
+                    tdLog.exit(f"{caller.filename}({caller.lineno}) failed: sql:{sql}, expect error not occured" )
+                else:
+                    self.queryRows = 0
+                    self.queryCols = 0
+                    self.queryResult = None
+                    tdLog.info(f"sql:{sql}, expect error occured")
+    def tmq_commit_cb_print(tmq, resp, param=None):
+        print(f"commit: {resp}, tmq: {tmq}, param: {param}")
+    def subscribe_topic(self):
+        print("create topic")
+        tdSql.execute('create topic db_topic as select * from db.stb')
+        tdSql.execute('grant subscribe on db_topic to jiacy1_all')
+        print("build consumer")
+        conf = TaosTmqConf()
+        conf.set("group.id", "tg2")
+        conf.set("td.connect.user", "jiacy1_all")
+        conf.set("td.connect.pass", "123")
+        conf.set("enable.auto.commit", "true")
+        conf.set_auto_commit_cb(self.tmq_commit_cb_print, None)
+        tmq = conf.new_consumer()
+        print("build topic list")
+        topic_list = TaosTmqList()
+        topic_list.append("db_topic")
+        print("basic consume loop")
+        tmq.subscribe(topic_list)
+        sub_list = tmq.subscription()
+        print("subscribed topics: ", sub_list)
+        c = 0
+        l = 0
+        for i in range(10):
+            if c > 10:
+                break
+            res = tmq.poll(10)
+            print(f"loop {l}")
+            l += 1
+            if res:
+                c += 1
+                topic = res.get_topic_name()
+                vg = res.get_vgroup_id()
+                db = res.get_db_name()
+                print(f"topic: {topic}\nvgroup id: {vg}\ndb: {db}")
+                for row in res:
+                    print(row)
+                print("* committed")
+                tmq.commit(res)
+            else:
+                print(f"received empty message at loop {l} (committed {c})")
+                pass
+        
+    def run(self):
+        tdSql.prepare()
+        self.create_user()
+        self.prepare_data()
+        self.drop_topic()
+        self.user_privilege_check()
+        self.subscribe_topic()
+    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