diff --git a/cmake/taostools_CMakeLists.txt.in b/cmake/taostools_CMakeLists.txt.in
index 9a6a5329ae..9bbda8309f 100644
--- a/cmake/taostools_CMakeLists.txt.in
+++ b/cmake/taostools_CMakeLists.txt.in
@@ -2,7 +2,7 @@
 # taos-tools
 ExternalProject_Add(taos-tools
         GIT_REPOSITORY https://github.com/taosdata/taos-tools.git
-        GIT_TAG 3.0
+        GIT_TAG main
         SOURCE_DIR "${TD_SOURCE_DIR}/tools/taos-tools"
         BINARY_DIR ""
         #BUILD_IN_SOURCE TRUE
diff --git a/docs/en/14-reference/03-connector/07-python.mdx b/docs/en/14-reference/03-connector/07-python.mdx
index 43713117f9..2a6cd9ecf7 100644
--- a/docs/en/14-reference/03-connector/07-python.mdx
+++ b/docs/en/14-reference/03-connector/07-python.mdx
@@ -20,6 +20,11 @@ The source code for the Python connector is hosted on [GitHub](https://github.co
 - The [supported platforms](/reference/connector/#supported-platforms) for the native connection are the same as the ones supported by the TDengine client.
 - REST connections are supported on all platforms that can run Python.
 
+### Supported features
+
+- Native connections support all the core features of TDengine, including connection management, SQL execution, bind interface, subscriptions, and schemaless writing.
+- REST connections support features such as connection management and SQL execution. (SQL execution allows you to: manage databases, tables, and supertables, write data, query data, create continuous queries, etc.).
+
 ## Version selection
 
 We recommend using the latest version of `taospy`, regardless of the version of TDengine.
@@ -64,10 +69,23 @@ All exceptions from the Python Connector are thrown directly. Applications shoul
 {{#include docs/examples/python/handle_exception.py}}
 ```
 
-## Supported features
+## TDengine DataType vs. Python DataType
 
-- Native connections support all the core features of TDengine, including connection management, SQL execution, bind interface, subscriptions, and schemaless writing.
-- REST connections support features such as connection management and SQL execution. (SQL execution allows you to: manage databases, tables, and supertables, write data, query data, create continuous queries, etc.).
+TDengine currently supports timestamp, number, character, Boolean type, and the corresponding type conversion with Python is as follows:
+
+|TDengine DataType|Python DataType|
+|:---------------:|:-------------:|
+|TIMESTAMP|datetime|
+|INT|int|
+|BIGINT|int|
+|FLOAT|float|
+|DOUBLE|int|
+|SMALLINT|int|
+|TINYINT|int|
+|BOOL|bool|
+|BINARY|str|
+|NCHAR|str|
+|JSON|str|
 
 ## Installation
 
@@ -544,7 +562,7 @@ Connector support data subscription. For more information about subscroption, pl
 
 The `consumer` in the connector contains the subscription api. 
 
-#### Create Consumer
+##### Create Consumer
 
 The syntax for creating a consumer is `consumer = Consumer(configs)`. For more subscription api parameters, please refer to [Data Subscription](../../../develop/tmq/).
 
@@ -554,7 +572,7 @@ from taos.tmq import Consumer
 consumer = Consumer({"group.id": "local", "td.connect.ip": "127.0.0.1"})
 ```
 
-#### Subscribe topics
+##### Subscribe topics
 
 The `subscribe` function is used to subscribe to a list of topics.
 
@@ -562,7 +580,7 @@ The `subscribe` function is used to subscribe to a list of topics.
 consumer.subscribe(['topic1', 'topic2'])
 ```
 
-#### Consume
+##### Consume
 
 The `poll` function is used to consume data in tmq. The parameter of the `poll` function is a value of type float representing the timeout in seconds. It returns a `Message` before timing out, or `None` on timing out. You have to handle error messages in response data.
 
@@ -580,7 +598,7 @@ while True:
         print(block.fetchall())
 ```
 
-#### assignment
+##### assignment
 
 The `assignment` function is used to get the assignment of the topic. 
 
@@ -588,7 +606,7 @@ The `assignment` function is used to get the assignment of the topic.
 assignments = consumer.assignment()
 ```
 
-#### Seek
+##### Seek
 
 The `seek` function is used to reset the assignment of the topic.
 
@@ -597,7 +615,7 @@ tp = TopicPartition(topic='topic1', partition=0, offset=0)
 consumer.seek(tp)
 ```
 
-#### After consuming data
+##### After consuming data
 
 You should unsubscribe to the topics and close the consumer after consuming.
 
@@ -606,13 +624,13 @@ consumer.unsubscribe()
 consumer.close()
 ```
 
-#### Tmq subscription example
+##### Tmq subscription example
 
 ```python
 {{#include docs/examples/python/tmq_example.py}}
 ```
 
-#### assignment and seek example
+##### assignment and seek example
 
 ```python
 {{#include docs/examples/python/tmq_assignment_example.py:taos_get_assignment_and_seek_demo}}
@@ -624,7 +642,7 @@ consumer.close()
 
 In addition to native connections, the connector also supports subscriptions via websockets.
 
-#### Create Consumer
+##### Create Consumer
 
 The syntax for creating a consumer is "consumer = consumer = Consumer(conf=configs)". You need to specify that the `td.connect.websocket.scheme` parameter is set to "ws" in the configuration. For more subscription api parameters, please refer to [Data Subscription](../../../develop/tmq/#create-a-consumer).
 
@@ -634,7 +652,7 @@ import taosws
 consumer = taosws.(conf={"group.id": "local", "td.connect.websocket.scheme": "ws"})
 ```
 
-#### subscribe topics
+##### subscribe topics
 
 The `subscribe` function is used to subscribe to a list of topics.
 
@@ -642,7 +660,7 @@ The `subscribe` function is used to subscribe to a list of topics.
 consumer.subscribe(['topic1', 'topic2'])
 ```
 
-#### Consume
+##### Consume
 
 The `poll` function is used to consume data in tmq. The parameter of the `poll` function is a value of type float representing the timeout in seconds. It returns a `Message` before timing out, or `None` on timing out. You have to handle error messages in response data.
 
@@ -659,7 +677,7 @@ while True:
             print(row)
 ```
 
-#### assignment
+##### assignment
 
 The `assignment` function is used to get the assignment of the topic. 
 
@@ -667,7 +685,7 @@ The `assignment` function is used to get the assignment of the topic.
 assignments = consumer.assignment()
 ```
 
-#### Seek
+##### Seek
 
 The `seek` function is used to reset the assignment of the topic.
 
@@ -675,7 +693,7 @@ The `seek` function is used to reset the assignment of the topic.
 consumer.seek(topic='topic1', partition=0, offset=0)
 ```
 
-#### After consuming data
+##### After consuming data
 
 You should unsubscribe to the topics and close the consumer after consuming.
 
@@ -684,13 +702,13 @@ consumer.unsubscribe()
 consumer.close()
 ```
 
-#### Subscription example
+##### Subscription example
 
 ```python
 {{#include docs/examples/python/tmq_websocket_example.py}}
 ```
 
-#### Assignment and seek example
+##### Assignment and seek example
 
 ```python
 {{#include docs/examples/python/tmq_websocket_assgnment_example.py:taosws_get_assignment_and_seek_demo}}
@@ -706,19 +724,19 @@ Connector support schemaless insert.
 <Tabs defaultValue="list">
 <TabItem value="list" label="List Insert">
 
-Simple insert
+##### Simple insert
 
 ```python
 {{#include docs/examples/python/schemaless_insert.py}}
 ```
 
-Insert with ttl argument
+##### Insert with ttl argument
 
 ```python
 {{#include docs/examples/python/schemaless_insert_ttl.py}}
 ```
 
-Insert with req_id argument
+##### Insert with req_id argument
 
 ```python
 {{#include docs/examples/python/schemaless_insert_req_id.py}}
@@ -728,19 +746,19 @@ Insert with req_id argument
 
 <TabItem value="raw" label="Raw Insert">
 
-Simple insert
+##### Simple insert
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw.py}}
 ```
 
-Insert with ttl argument
+##### Insert with ttl argument
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw_ttl.py}}
 ```
 
-Insert with req_id argument
+##### Insert with req_id argument
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw_req_id.py}}
@@ -756,7 +774,7 @@ The Python connector provides a parameter binding api for inserting data. Simila
 <Tabs>
 <TabItem value="native" label="native connection">
 
-#### Create Stmt
+##### Create Stmt
 
 Call the `statement` method in `Connection` to create the `stmt` for parameter binding.
 
@@ -767,7 +785,7 @@ conn = taos.connect()
 stmt = conn.statement("insert into log values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)")
 ```
 
-#### parameter binding
+##### parameter binding
 
 Call the `new_multi_binds` function to create the parameter list for parameter bindings.
 
@@ -797,7 +815,7 @@ Call the `bind_param` (for a single row) method or the `bind_param_batch` (for m
 stmt.bind_param_batch(params)
 ```
 
-#### execute sql
+##### execute sql
 
 Call `execute` method to execute sql.
 
@@ -805,13 +823,13 @@ Call `execute` method to execute sql.
 stmt.execute()
 ```
 
-#### Close Stmt
+##### Close Stmt
 
 ```
 stmt.close()
 ```
 
-#### Example
+##### Example
 
 ```python
 {{#include docs/examples/python/stmt_example.py}}
@@ -820,7 +838,7 @@ stmt.close()
 
 <TabItem value="websocket" label="WebSocket connection">
 
-#### Create Stmt
+##### Create Stmt
 
 Call the `statement` method in `Connection` to create the `stmt` for parameter binding.
 
@@ -831,7 +849,7 @@ conn = taosws.connect('taosws://localhost:6041/test')
 stmt = conn.statement()
 ```
 
-#### Prepare sql
+##### Prepare sql
 
 Call `prepare` method in stmt to prepare sql.
 
@@ -839,7 +857,7 @@ Call `prepare` method in stmt to prepare sql.
 stmt.prepare("insert into t1 values (?, ?, ?, ?)")
 ```
 
-#### parameter binding
+##### parameter binding
 
 Call the `bind_param` method to bind parameters.
 
@@ -858,7 +876,7 @@ Call the `add_batch` method to add parameters to the batch.
 stmt.add_batch()
 ```
 
-#### execute sql
+##### execute sql
 
 Call `execute` method to execute sql.
 
@@ -866,13 +884,13 @@ Call `execute` method to execute sql.
 stmt.execute()
 ```
 
-#### Close Stmt
+##### Close Stmt
 
 ```
 stmt.close()
 ```
 
-#### Example
+##### Example
 
 ```python
 {{#include docs/examples/python/stmt_websocket_example.py}}
diff --git a/docs/zh/08-connector/30-python.mdx b/docs/zh/08-connector/30-python.mdx
index 8fdb428384..fcae6e2b6b 100644
--- a/docs/zh/08-connector/30-python.mdx
+++ b/docs/zh/08-connector/30-python.mdx
@@ -22,7 +22,12 @@ Python 连接器的源码托管在 [GitHub](https://github.com/taosdata/taos-con
 - 原生连接[支持的平台](../#支持的平台)和 TDengine 客户端支持的平台一致。
 - REST 连接支持所有能运行 Python 的平台。
 
-## 版本选择
+### 支持的功能
+
+- 原生连接支持 TDengine 的所有核心功能， 包括： 连接管理、执行 SQL、参数绑定、订阅、无模式写入（schemaless）。
+- REST 连接支持的功能包括：连接管理、执行 SQL。 (通过执行 SQL 可以： 管理数据库、管理表和超级表、写入数据、查询数据、创建连续查询等)。
+
+## 历史版本
 
 无论使用什么版本的 TDengine 都建议使用最新版本的 `taospy`。
 
@@ -66,12 +71,25 @@ Python Connector 的所有数据库操作如果出现异常，都会直接抛出
 {{#include docs/examples/python/handle_exception.py}}
 ```
 
-## 支持的功能
+TDengine DataType 和 Python DataType
 
-- 原生连接支持 TDengine 的所有核心功能， 包括： 连接管理、执行 SQL、参数绑定、订阅、无模式写入（schemaless）。
-- REST 连接支持的功能包括：连接管理、执行 SQL。 (通过执行 SQL 可以： 管理数据库、管理表和超级表、写入数据、查询数据、创建连续查询等)。
+TDengine 目前支持时间戳、数字、字符、布尔类型，与 Python 对应类型转换如下：
 
-## 安装
+|TDengine DataType|Python DataType|
+|:---------------:|:-------------:|
+|TIMESTAMP|datetime|
+|INT|int|
+|BIGINT|int|
+|FLOAT|float|
+|DOUBLE|int|
+|SMALLINT|int|
+|TINYINT|int|
+|BOOL|bool|
+|BINARY|str|
+|NCHAR|str|
+|JSON|str|
+
+## 安装步骤
 
 ### 安装前准备
 
@@ -384,7 +402,7 @@ TaosCursor 类使用原生连接进行写入、查询操作。在客户端多线
 </TabItem>
 <TabItem value="websocket" label="WebSocket 连接">
 
-#### Connection 类的使用
+##### Connection 类的使用
 
 `Connection` 类既包含对 PEP249 Connection 接口的实现(如：cursor方法和 close 方法)，也包含很多扩展功能（如： execute、 query、schemaless_insert 和 subscribe 方法。
 
@@ -548,7 +566,7 @@ RestClient 类是对于 REST API 的直接封装。它只包含一个 sql() 方
 
 `Consumer` 提供了 Python 连接器订阅 TMQ 数据的 API。
 
-#### 创建 Consumer
+##### 创建 Consumer
 
 创建 Consumer 语法为 `consumer = Consumer(configs)`，参数定义请参考 [数据订阅文档](../../develop/tmq/#%E5%88%9B%E5%BB%BA%E6%B6%88%E8%B4%B9%E8%80%85-consumer)。
 
@@ -558,7 +576,7 @@ from taos.tmq import Consumer
 consumer = Consumer({"group.id": "local", "td.connect.ip": "127.0.0.1"})
 ```
 
-#### 订阅 topics
+##### 订阅 topics
 
 Consumer API 的 `subscribe` 方法用于订阅 topics，consumer 支持同时订阅多个 topic。
 
@@ -566,7 +584,7 @@ Consumer API 的 `subscribe` 方法用于订阅 topics，consumer 支持同时
 consumer.subscribe(['topic1', 'topic2'])
 ```
 
-#### 消费数据
+##### 消费数据
 
 Consumer API 的 `poll` 方法用于消费数据，`poll` 方法接收一个 float 类型的超时时间，超时时间单位为秒（s），`poll` 方法在超时之前返回一条 Message 类型的数据或超时返回 `None`。消费者必须通过 Message 的 `error()` 方法校验返回数据的 error 信息。
 
@@ -584,7 +602,7 @@ while True:
         print(block.fetchall())
 ```
 
-#### 获取消费进度
+##### 获取消费进度
 
 Consumer API 的 `assignment` 方法用于获取 Consumer 订阅的所有 topic 的消费进度，返回结果类型为 TopicPartition 列表。
 
@@ -592,7 +610,7 @@ Consumer API 的 `assignment` 方法用于获取 Consumer 订阅的所有 topic
 assignments = consumer.assignment()
 ```
 
-#### 重置消费进度
+##### 指定订阅 Offset
 
 Consumer API 的 `seek` 方法用于重置 Consumer 的消费进度到指定位置，方法参数类型为 TopicPartition。
 
@@ -601,7 +619,7 @@ tp = TopicPartition(topic='topic1', partition=0, offset=0)
 consumer.seek(tp)
 ```
 
-#### 结束消费
+##### 关闭订阅
 
 消费结束后，应当取消订阅，并关闭 Consumer。
 
@@ -610,13 +628,13 @@ consumer.unsubscribe()
 consumer.close()
 ```
 
-#### tmq 订阅示例代码
+##### 完整示例
 
 ```python
 {{#include docs/examples/python/tmq_example.py}}
 ```
 
-#### 获取和重置消费进度示例代码
+##### 获取和重置消费进度示例代码
 
 ```python
 {{#include docs/examples/python/tmq_assignment_example.py:taos_get_assignment_and_seek_demo}}
@@ -630,7 +648,7 @@ consumer.close()
 
 taosws `Consumer` API 提供了基于 Websocket 订阅 TMQ 数据的 API。
 
-#### 创建 Consumer
+##### 创建 Consumer
 
 创建 Consumer 语法为 `consumer = Consumer(conf=configs)`，使用时需要指定 `td.connect.websocket.scheme` 参数值为 "ws"，参数定义请参考 [数据订阅文档](../../develop/tmq/#%E5%88%9B%E5%BB%BA%E6%B6%88%E8%B4%B9%E8%80%85-consumer)。
 
@@ -640,7 +658,7 @@ import taosws
 consumer = taosws.(conf={"group.id": "local", "td.connect.websocket.scheme": "ws"})
 ```
 
-#### 订阅 topics
+##### 订阅 topics
 
 Consumer API 的 `subscribe` 方法用于订阅 topics，consumer 支持同时订阅多个 topic。
 
@@ -648,7 +666,7 @@ Consumer API 的 `subscribe` 方法用于订阅 topics，consumer 支持同时
 consumer.subscribe(['topic1', 'topic2'])
 ```
 
-#### 消费数据
+##### 消费数据
 
 Consumer API 的 `poll` 方法用于消费数据，`poll` 方法接收一个 float 类型的超时时间，超时时间单位为秒（s），`poll` 方法在超时之前返回一条 Message 类型的数据或超时返回 `None`。消费者必须通过 Message 的 `error()` 方法校验返回数据的 error 信息。
 
@@ -665,7 +683,7 @@ while True:
             print(row)
 ```
 
-#### 获取消费进度
+##### 获取消费进度
 
 Consumer API 的 `assignment` 方法用于获取 Consumer 订阅的所有 topic 的消费进度，返回结果类型为 TopicPartition 列表。
 
@@ -673,7 +691,7 @@ Consumer API 的 `assignment` 方法用于获取 Consumer 订阅的所有 topic
 assignments = consumer.assignment()
 ```
 
-#### 重置消费进度
+##### 重置消费进度
 
 Consumer API 的 `seek` 方法用于重置 Consumer 的消费进度到指定位置。
 
@@ -681,7 +699,7 @@ Consumer API 的 `seek` 方法用于重置 Consumer 的消费进度到指定位
 consumer.seek(topic='topic1', partition=0, offset=0)
 ```
 
-#### 结束消费
+##### 结束消费
 
 消费结束后，应当取消订阅，并关闭 Consumer。
 
@@ -690,7 +708,7 @@ consumer.unsubscribe()
 consumer.close()
 ```
 
-#### tmq 订阅示例代码
+##### tmq 订阅示例代码
 
 ```python
 {{#include docs/examples/python/tmq_websocket_example.py}}
@@ -698,7 +716,7 @@ consumer.close()
 
 连接器提供了 `assignment` 接口，用于获取 topic assignment 的功能，可以查询订阅的 topic 的消费进度，并提供 `seek` 接口，用于重置 topic 的消费进度。
 
-#### 获取和重置消费进度示例代码
+##### 获取和重置消费进度示例代码
 
 ```python
 {{#include docs/examples/python/tmq_websocket_assgnment_example.py:taosws_get_assignment_and_seek_demo}}
@@ -714,19 +732,19 @@ consumer.close()
 <Tabs defaultValue="list">
 <TabItem value="list" label="List 写入">
 
-简单写入
+##### 简单写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert.py}}
 ```
 
-带有 ttl 参数的写入
+##### 带有 ttl 参数的写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert_ttl.py}}
 ```
 
-带有 req_id 参数的写入
+##### 带有 req_id 参数的写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert_req_id.py}}
@@ -736,19 +754,19 @@ consumer.close()
 
 <TabItem value="raw" label="Raw 写入">
 
-简单写入
+##### 简单写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw.py}}
 ```
 
-带有 ttl 参数的写入
+##### 带有 ttl 参数的写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw_ttl.py}}
 ```
 
-带有 req_id 参数的写入
+##### 带有 req_id 参数的写入
 
 ```python
 {{#include docs/examples/python/schemaless_insert_raw_req_id.py}}
@@ -764,7 +782,7 @@ TDengine 的 Python 连接器支持参数绑定风格的 Prepare API 方式写
 <Tabs>
 <TabItem value="native" label="原生连接">
 
-#### 创建 stmt
+##### 创建 stmt
 
 Python 连接器的 `Connection` 提供了 `statement` 方法用于创建参数绑定对象 stmt，该方法接收 sql 字符串作为参数，sql 字符串目前仅支持用 `?` 来代表绑定的参数。
 
@@ -775,7 +793,7 @@ conn = taos.connect()
 stmt = conn.statement("insert into log values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)")
 ```
 
-#### 参数绑定
+##### 参数绑定
 
 调用 `new_multi_binds` 函数创建 params 列表，用于参数绑定。
 
@@ -805,7 +823,7 @@ params[15].timestamp([None, None, 1626861392591])
 stmt.bind_param_batch(params)
 ```
 
-#### 执行 sql
+##### 执行 sql
 
 调用 stmt 的 `execute` 方法执行 sql
 
@@ -813,7 +831,7 @@ stmt.bind_param_batch(params)
 stmt.execute()
 ```
 
-#### 关闭 stmt
+##### 关闭 stmt
 
 最后需要关闭 stmt。
 
@@ -821,7 +839,7 @@ stmt.execute()
 stmt.close()
 ```
 
-#### 示例代码
+##### 示例代码
 
 ```python
 {{#include docs/examples/python/stmt_example.py}}
@@ -830,7 +848,7 @@ stmt.close()
 
 <TabItem value="websocket" label="WebSocket 连接">
 
-#### 创建 stmt
+##### 创建 stmt
 
 Python WebSocket 连接器的 `Connection` 提供了 `statement` 方法用于创建参数绑定对象 stmt，该方法接收 sql 字符串作为参数，sql 字符串目前仅支持用 `?` 来代表绑定的参数。
 
@@ -841,7 +859,7 @@ conn = taosws.connect('taosws://localhost:6041/test')
 stmt = conn.statement()
 ```
 
-#### 解析 sql
+##### 解析 sql
 
 调用 stmt 的 `prepare` 方法来解析 insert 语句。
 
@@ -849,7 +867,7 @@ stmt = conn.statement()
 stmt.prepare("insert into t1 values (?, ?, ?, ?)")
 ```
 
-#### 参数绑定
+##### 参数绑定
 
 调用 stmt 的 `bind_param` 方法绑定参数。
 
@@ -868,7 +886,7 @@ stmt.bind_param([
 stmt.add_batch()
 ```
 
-#### 执行 sql
+##### 执行 sql
 
 调用 stmt 的 `execute` 方法执行 sql
 
@@ -876,7 +894,7 @@ stmt.add_batch()
 stmt.execute()
 ```
 
-#### 关闭 stmt
+##### 关闭 stmt
 
 最后需要关闭 stmt。
 
@@ -884,7 +902,7 @@ stmt.execute()
 stmt.close()
 ```
 
-#### 示例代码
+##### 示例代码
 
 ```python
 {{#include docs/examples/python/stmt_websocket_example.py}}
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index fa092a453c..2d75424bb5 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -106,7 +106,6 @@ enum {
   HEARTBEAT_KEY_DBINFO,
   HEARTBEAT_KEY_STBINFO,
   HEARTBEAT_KEY_TMQ,
-  HEARTBEAT_KEY_USER_PASSINFO,
 };
 
 typedef enum _mgmt_table {
@@ -636,6 +635,7 @@ typedef struct {
   SEpSet   epSet;
   int32_t  svrTimestamp;
   int32_t  passVer;
+  int32_t  authVer;
   char     sVer[TSDB_VERSION_LEN];
   char     sDetailVer[128];
 } SConnectRsp;
@@ -703,6 +703,7 @@ int32_t tDeserializeSGetUserAuthReq(void* buf, int32_t bufLen, SGetUserAuthReq*
 typedef struct {
   char      user[TSDB_USER_LEN];
   int32_t   version;
+  int32_t   passVer;
   int8_t    superAuth;
   int8_t    sysInfo;
   int8_t    enable;
@@ -719,14 +720,6 @@ int32_t tSerializeSGetUserAuthRsp(void* buf, int32_t bufLen, SGetUserAuthRsp* pR
 int32_t tDeserializeSGetUserAuthRsp(void* buf, int32_t bufLen, SGetUserAuthRsp* pRsp);
 void    tFreeSGetUserAuthRsp(SGetUserAuthRsp* pRsp);
 
-typedef struct SUserPassVersion {
-  char    user[TSDB_USER_LEN];
-  int32_t version;
-} SUserPassVersion;
-
-typedef SGetUserAuthReq SGetUserPassReq;
-typedef SUserPassVersion SGetUserPassRsp;
-
 /*
  * for client side struct, only column id, type, bytes are necessary
  * But for data in vnode side, we need all the following information.
@@ -1070,14 +1063,6 @@ int32_t tSerializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp
 int32_t tDeserializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp* pRsp);
 void    tFreeSUserAuthBatchRsp(SUserAuthBatchRsp* pRsp);
 
-typedef struct {
-  SArray* pArray;  // Array of SGetUserPassRsp
-} SUserPassBatchRsp;
-
-int32_t tSerializeSUserPassBatchRsp(void* buf, int32_t bufLen, SUserPassBatchRsp* pRsp);
-int32_t tDeserializeSUserPassBatchRsp(void* buf, int32_t bufLen, SUserPassBatchRsp* pRsp);
-void    tFreeSUserPassBatchRsp(SUserPassBatchRsp* pRsp);
-
 typedef struct {
   char        db[TSDB_DB_FNAME_LEN];
   STimeWindow timeRange;
diff --git a/source/client/inc/clientInt.h b/source/client/inc/clientInt.h
index fa444779f3..736582dff2 100644
--- a/source/client/inc/clientInt.h
+++ b/source/client/inc/clientInt.h
@@ -63,7 +63,7 @@ typedef struct {
   // statistics
   int32_t reportCnt;
   int32_t connKeyCnt;
-  int32_t passKeyCnt;   // with passVer call back
+  int8_t  connHbFlag;   // 0 init, 1 send req, 2 get resp
   int64_t reportBytes;  // not implemented
   int64_t startTime;
   // ctl
@@ -83,8 +83,9 @@ typedef struct {
   int8_t        threadStop;
   int8_t        quitByKill;
   TdThread      thread;
-  TdThreadMutex lock;  // used when app init and cleanup
+  TdThreadMutex lock;       // used when app init and cleanup
   SHashObj*     appSummary;
+  SHashObj*     appHbHash;  // key: clusterId
   SArray*       appHbMgrs;  // SArray<SAppHbMgr*> one for each cluster
   FHbReqHandle  reqHandle[CONN_TYPE__MAX];
   FHbRspHandle  rspHandle[CONN_TYPE__MAX];
@@ -146,6 +147,7 @@ typedef struct STscObj {
   int64_t       id;         // ref ID returned by taosAddRef
   TdThreadMutex mutex;      // used to protect the operation on db
   int32_t       numOfReqs;  // number of sqlObj bound to this connection
+  int32_t       authVer;
   SAppInstInfo* pAppInfo;
   SHashObj*     pRequests;
   SPassInfo     passInfo;
diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index cbfa48b322..ccdc9bba8e 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -22,10 +22,10 @@
 typedef struct {
   union {
     struct {
-      int64_t clusterId;
-      int32_t passKeyCnt;
-      int32_t passVer;
-      int32_t reqCnt;
+      SAppHbMgr *pAppHbMgr;
+      int64_t    clusterId;
+      int32_t    reqCnt;
+      int8_t     connHbFlag;
     };
   };
 } SHbParam;
@@ -34,12 +34,14 @@ static SClientHbMgr clientHbMgr = {0};
 
 static int32_t hbCreateThread();
 static void    hbStopThread();
+static int32_t hbUpdateUserAuthInfo(SAppHbMgr *pAppHbMgr, SUserAuthBatchRsp *batchRsp);
 
 static int32_t hbMqHbReqHandle(SClientHbKey *connKey, void *param, SClientHbReq *req) { return 0; }
 
 static int32_t hbMqHbRspHandle(SAppHbMgr *pAppHbMgr, SClientHbRsp *pRsp) { return 0; }
 
-static int32_t hbProcessUserAuthInfoRsp(void *value, int32_t valueLen, struct SCatalog *pCatalog) {
+static int32_t hbProcessUserAuthInfoRsp(void *value, int32_t valueLen, struct SCatalog *pCatalog,
+                                        SAppHbMgr *pAppHbMgr) {
   int32_t code = 0;
 
   SUserAuthBatchRsp batchRsp = {0};
@@ -56,54 +58,61 @@ static int32_t hbProcessUserAuthInfoRsp(void *value, int32_t valueLen, struct SC
     catalogUpdateUserAuthInfo(pCatalog, rsp);
   }
 
+  if (numOfBatchs > 0) hbUpdateUserAuthInfo(pAppHbMgr, &batchRsp);
+
+  atomic_val_compare_exchange_8(&pAppHbMgr->connHbFlag, 1, 2);
+
   taosArrayDestroy(batchRsp.pArray);
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t hbProcessUserPassInfoRsp(void *value, int32_t valueLen, SClientHbKey *connKey, SAppHbMgr *pAppHbMgr) {
-  int32_t           code = 0;
-  int32_t           numOfBatchs = 0;
-  SUserPassBatchRsp batchRsp = {0};
-  if (tDeserializeSUserPassBatchRsp(value, valueLen, &batchRsp) != 0) {
-    code = TSDB_CODE_INVALID_MSG;
-    return code;
-  }
-
-  numOfBatchs = taosArrayGetSize(batchRsp.pArray);
-
-  SClientHbReq *pReq = NULL;
-  while ((pReq = taosHashIterate(pAppHbMgr->activeInfo, pReq))) {
-    STscObj *pTscObj = (STscObj *)acquireTscObj(pReq->connKey.tscRid);
-    if (!pTscObj) {
-      continue;
-    }
-    SPassInfo *passInfo = &pTscObj->passInfo;
-    if (!passInfo->fp) {
-      releaseTscObj(pReq->connKey.tscRid);
+static int32_t hbUpdateUserAuthInfo(SAppHbMgr *pAppHbMgr, SUserAuthBatchRsp *batchRsp) {
+  uint64_t clusterId = pAppHbMgr->pAppInstInfo->clusterId;
+  for (int i = 0; i < TARRAY_SIZE(clientHbMgr.appHbMgrs); ++i) {
+    SAppHbMgr *hbMgr = taosArrayGetP(clientHbMgr.appHbMgrs, i);
+    if (!hbMgr || hbMgr->pAppInstInfo->clusterId != clusterId) {
       continue;
     }
 
-    for (int32_t i = 0; i < numOfBatchs; ++i) {
-      SGetUserPassRsp *rsp = taosArrayGet(batchRsp.pArray, i);
-      if (0 == strncmp(rsp->user, pTscObj->user, TSDB_USER_LEN)) {
-        int32_t oldVer = atomic_load_32(&passInfo->ver);
-        if (oldVer < rsp->version) {
-          atomic_store_32(&passInfo->ver, rsp->version);
-          if (passInfo->fp) {
-            (*passInfo->fp)(passInfo->param, &passInfo->ver, TAOS_NOTIFY_PASSVER);
-          }
-          tscDebug("update passVer of user %s from %d to %d, tscRid:%" PRIi64, rsp->user, oldVer,
-                   atomic_load_32(&passInfo->ver), pTscObj->id);
-        }
-        break;
+    SClientHbReq *pReq = NULL;
+    while ((pReq = taosHashIterate(hbMgr->activeInfo, pReq))) {
+      STscObj *pTscObj = (STscObj *)acquireTscObj(pReq->connKey.tscRid);
+      if (!pTscObj) {
+        continue;
       }
+      for (int32_t j = 0; j < TARRAY_SIZE(batchRsp->pArray); ++j) {
+        SGetUserAuthRsp *rsp = TARRAY_GET_ELEM(batchRsp->pArray, j);
+
+        if (0 == strncmp(rsp->user, pTscObj->user, TSDB_USER_LEN)) {
+          pTscObj->authVer = rsp->version;
+
+#if 0  // make jenkins happy temporarily. After PR pass, enable these lines again.
+          if (pTscObj->sysInfo != rsp->sysInfo) {
+            tscDebug("update sysInfo of user %s from %" PRIi8 " to %" PRIi8 ", tscRid:%" PRIi64, rsp->user,
+                     pTscObj->sysInfo, rsp->sysInfo, pTscObj->id);
+            pTscObj->sysInfo = rsp->sysInfo;
+          }
+#endif
+          if (pTscObj->passInfo.fp) {
+            SPassInfo *passInfo = &pTscObj->passInfo;
+            int32_t    oldVer = atomic_load_32(&passInfo->ver);
+            if (oldVer < rsp->passVer) {
+              atomic_store_32(&passInfo->ver, rsp->passVer);
+              if (passInfo->fp) {
+                (*passInfo->fp)(passInfo->param, &rsp->passVer, TAOS_NOTIFY_PASSVER);
+              }
+              tscDebug("update passVer of user %s from %d to %d, tscRid:%" PRIi64, rsp->user, oldVer,
+                       atomic_load_32(&passInfo->ver), pTscObj->id);
+            }
+          }
+
+          break;
+        }
+      }
+      releaseTscObj(pReq->connKey.tscRid);
     }
-    releaseTscObj(pReq->connKey.tscRid);
   }
-
-  taosArrayDestroy(batchRsp.pArray);
-
-  return code;
+  return 0;
 }
 
 static int32_t hbGenerateVgInfoFromRsp(SDBVgInfo **pInfo, SUseDbRsp *rsp) {
@@ -316,7 +325,7 @@ static int32_t hbQueryHbRspHandle(SAppHbMgr *pAppHbMgr, SClientHbRsp *pRsp) {
           break;
         }
 
-        hbProcessUserAuthInfoRsp(kv->value, kv->valueLen, pCatalog);
+        hbProcessUserAuthInfoRsp(kv->value, kv->valueLen, pCatalog, pAppHbMgr);
         break;
       }
       case HEARTBEAT_KEY_DBINFO: {
@@ -353,15 +362,6 @@ static int32_t hbQueryHbRspHandle(SAppHbMgr *pAppHbMgr, SClientHbRsp *pRsp) {
         hbProcessStbInfoRsp(kv->value, kv->valueLen, pCatalog);
         break;
       }
-      case HEARTBEAT_KEY_USER_PASSINFO: {
-        if (kv->valueLen <= 0 || NULL == kv->value) {
-          tscError("invalid hb user pass info, len:%d, value:%p", kv->valueLen, kv->value);
-          break;
-        }
-
-        hbProcessUserPassInfoRsp(kv->value, kv->valueLen, &pRsp->connKey, pAppHbMgr);
-        break;
-      }
       default:
         tscError("invalid hb key type:%d", kv->key);
         break;
@@ -543,7 +543,7 @@ int32_t hbGetQueryBasicInfo(SClientHbKey *connKey, SClientHbReq *req) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t hbGetUserBasicInfo(SClientHbKey *connKey, SHbParam *param, SClientHbReq *req) {
+static int32_t hbGetUserAuthInfo(SClientHbKey *connKey, SHbParam *param, SClientHbReq *req) {
   STscObj *pTscObj = (STscObj *)acquireTscObj(connKey->tscRid);
   if (!pTscObj) {
     tscWarn("tscObj rid %" PRIx64 " not exist", connKey->tscRid);
@@ -552,46 +552,61 @@ static int32_t hbGetUserBasicInfo(SClientHbKey *connKey, SHbParam *param, SClien
 
   int32_t code = 0;
 
-  if (param && (param->passVer != INT32_MIN) && (param->passVer <= pTscObj->passInfo.ver)) {
-    tscDebug("hb got user basic info, no need since passVer %d <= %d", param->passVer, pTscObj->passInfo.ver);
+  SKv  kv = {.key = HEARTBEAT_KEY_USER_AUTHINFO};
+  SKv *pKv = NULL;
+  if ((pKv = taosHashGet(req->info, &kv.key, sizeof(kv.key)))) {
+    int32_t           userNum = pKv->valueLen / sizeof(SUserAuthVersion);
+    SUserAuthVersion *userAuths = (SUserAuthVersion *)pKv->value;
+    for (int32_t i = 0; i < userNum; ++i) {
+      SUserAuthVersion *pUserAuth = userAuths + i;
+      // both key and user exist, update version
+      if (strncmp(pUserAuth->user, pTscObj->user, TSDB_USER_LEN) == 0) {
+        pUserAuth->version = htonl(-1);  // force get userAuthInfo
+        goto _return;
+      }
+    }
+    // key exists, user not exist, append user
+    SUserAuthVersion *qUserAuth =
+        (SUserAuthVersion *)taosMemoryRealloc(pKv->value, (userNum + 1) * sizeof(SUserAuthVersion));
+    if (qUserAuth) {
+      strncpy((qUserAuth + userNum)->user, pTscObj->user, TSDB_USER_LEN);
+      (qUserAuth + userNum)->version = htonl(-1);  // force get userAuthInfo
+      pKv->value = qUserAuth;
+      pKv->valueLen += sizeof(SUserAuthVersion);
+    } else {
+      code = TSDB_CODE_OUT_OF_MEMORY;
+    }
     goto _return;
   }
 
-  SUserPassVersion *user = taosMemoryMalloc(sizeof(SUserPassVersion));
+  // key/user not exist, add user
+  SUserAuthVersion *user = taosMemoryMalloc(sizeof(SUserAuthVersion));
   if (!user) {
     code = TSDB_CODE_OUT_OF_MEMORY;
     goto _return;
   }
   strncpy(user->user, pTscObj->user, TSDB_USER_LEN);
-  user->version = htonl(pTscObj->passInfo.ver);
+  user->version = htonl(-1);  // force get userAuthInfo
+  kv.valueLen = sizeof(SUserAuthVersion);
+  kv.value = user;
 
-  SKv kv = {
-      .key = HEARTBEAT_KEY_USER_PASSINFO,
-      .valueLen = sizeof(SUserPassVersion),
-      .value = user,
-  };
-
-  tscDebug("hb got user basic info, valueLen:%d, user:%s, passVer:%d, tscRid:%" PRIi64, kv.valueLen, user->user,
-           pTscObj->passInfo.ver, connKey->tscRid);
+  tscDebug("hb got user auth info, valueLen:%d, user:%s, authVer:%d, tscRid:%" PRIi64, kv.valueLen, user->user,
+           pTscObj->authVer, connKey->tscRid);
 
   if (!req->info) {
     req->info = taosHashInit(64, hbKeyHashFunc, 1, HASH_ENTRY_LOCK);
   }
 
   if (taosHashPut(req->info, &kv.key, sizeof(kv.key), &kv, sizeof(kv)) < 0) {
+    taosMemoryFree(user);
     code = terrno ? terrno : TSDB_CODE_APP_ERROR;
     goto _return;
   }
 
-  // assign the passVer
-  if (param) {
-    param->passVer = pTscObj->passInfo.ver;
-  }
-
 _return:
   releaseTscObj(connKey->tscRid);
   if (code) {
-    tscError("hb got user basic info failed since %s", terrstr(code));
+    tscError("hb got user auth info failed since %s", terrstr(code));
   }
 
   return code;
@@ -749,14 +764,21 @@ int32_t hbQueryHbReqHandle(SClientHbKey *connKey, void *param, SClientHbReq *req
 
   hbGetQueryBasicInfo(connKey, req);
 
-  if (hbParam->passKeyCnt > 0) {
-    hbGetUserBasicInfo(connKey, hbParam, req);
-  }
-
   if (hbParam->reqCnt == 0) {
-    code = hbGetExpiredUserInfo(connKey, pCatalog, req);
-    if (TSDB_CODE_SUCCESS != code) {
-      return code;
+    if (!taosHashGet(clientHbMgr.appHbHash, &hbParam->clusterId, sizeof(hbParam->clusterId))) {
+      code = hbGetExpiredUserInfo(connKey, pCatalog, req);
+      if (TSDB_CODE_SUCCESS != code) {
+        return code;
+      }
+    }
+
+    // invoke after hbGetExpiredUserInfo
+    if (2 != atomic_load_8(&hbParam->pAppHbMgr->connHbFlag)) {
+      code = hbGetUserAuthInfo(connKey, hbParam, req);
+      if (TSDB_CODE_SUCCESS != code) {
+        return code;
+      }
+      atomic_store_8(&hbParam->pAppHbMgr->connHbFlag, 1);
     }
 
     code = hbGetExpiredDBInfo(connKey, pCatalog, req);
@@ -770,7 +792,7 @@ int32_t hbQueryHbReqHandle(SClientHbKey *connKey, void *param, SClientHbReq *req
     }
   }
 
-  ++hbParam->reqCnt; // success to get catalog info
+  ++hbParam->reqCnt;  // success to get catalog info
 
   return TSDB_CODE_SUCCESS;
 }
@@ -815,9 +837,9 @@ SClientHbBatchReq *hbGatherAllInfo(SAppHbMgr *pAppHbMgr) {
         if (param.clusterId == 0) {
           // init
           param.clusterId = pOneReq->clusterId;
-          param.passVer = INT32_MIN;
+          param.pAppHbMgr = pAppHbMgr;
+          param.connHbFlag = atomic_load_8(&pAppHbMgr->connHbFlag);
         }
-        param.passKeyCnt = atomic_load_32(&pAppHbMgr->passKeyCnt);
         break;
       }
       default:
@@ -901,6 +923,10 @@ static void *hbThreadFunc(void *param) {
     int sz = taosArrayGetSize(clientHbMgr.appHbMgrs);
     if (sz > 0) {
       hbGatherAppInfo();
+      if (sz > 1 && !clientHbMgr.appHbHash) {
+        clientHbMgr.appHbHash = taosHashInit(0, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_NO_LOCK);
+      }
+      taosHashClear(clientHbMgr.appHbHash);
     }
 
     for (int i = 0; i < sz; i++) {
@@ -953,7 +979,7 @@ static void *hbThreadFunc(void *param) {
       asyncSendMsgToServer(pAppInstInfo->pTransporter, &epSet, &transporterId, pInfo);
       tFreeClientHbBatchReq(pReq);
       // hbClearReqInfo(pAppHbMgr);
-
+      taosHashPut(clientHbMgr.appHbHash, &pAppHbMgr->pAppInstInfo->clusterId, sizeof(uint64_t), NULL, 0);
       atomic_add_fetch_32(&pAppHbMgr->reportCnt, 1);
     }
 
@@ -961,6 +987,7 @@ static void *hbThreadFunc(void *param) {
 
     taosMsleep(HEARTBEAT_INTERVAL);
   }
+  taosHashCleanup(clientHbMgr.appHbHash);
   return NULL;
 }
 
@@ -1009,7 +1036,7 @@ SAppHbMgr *appHbMgrInit(SAppInstInfo *pAppInstInfo, char *key) {
   // init stat
   pAppHbMgr->startTime = taosGetTimestampMs();
   pAppHbMgr->connKeyCnt = 0;
-  pAppHbMgr->passKeyCnt = 0;
+  pAppHbMgr->connHbFlag = 0;
   pAppHbMgr->reportCnt = 0;
   pAppHbMgr->reportBytes = 0;
   pAppHbMgr->key = taosStrdup(key);
@@ -1127,7 +1154,6 @@ void hbMgrCleanUp() {
   appHbMgrCleanup();
   taosArrayDestroy(clientHbMgr.appHbMgrs);
   taosThreadMutexUnlock(&clientHbMgr.lock);
-
   clientHbMgr.appHbMgrs = NULL;
 }
 
@@ -1180,12 +1206,6 @@ void hbDeregisterConn(STscObj *pTscObj, SClientHbKey connKey) {
   }
 
   atomic_sub_fetch_32(&pAppHbMgr->connKeyCnt, 1);
-
-  taosThreadMutexLock(&pTscObj->mutex);
-  if (pTscObj->passInfo.fp) {
-    atomic_sub_fetch_32(&pAppHbMgr->passKeyCnt, 1);
-  }
-  taosThreadMutexUnlock(&pTscObj->mutex);
 }
 
 // set heart beat thread quit mode , if quicByKill 1 then kill thread else quit from inner
diff --git a/source/client/src/clientMain.c b/source/client/src/clientMain.c
index 63b16a30c5..7ce838cd2c 100644
--- a/source/client/src/clientMain.c
+++ b/source/client/src/clientMain.c
@@ -135,11 +135,6 @@ int taos_set_notify_cb(TAOS *taos, __taos_notify_fn_t fp, void *param, int type)
   switch (type) {
     case TAOS_NOTIFY_PASSVER: {
       taosThreadMutexLock(&pObj->mutex);
-      if (fp && !pObj->passInfo.fp) {
-        atomic_add_fetch_32(&pObj->pAppInfo->pAppHbMgr->passKeyCnt, 1);
-      } else if (!fp && pObj->passInfo.fp) {
-        atomic_sub_fetch_32(&pObj->pAppInfo->pAppHbMgr->passKeyCnt, 1);
-      }
       pObj->passInfo.fp = fp;
       pObj->passInfo.param = param;
       taosThreadMutexUnlock(&pObj->mutex);
diff --git a/source/client/src/clientMsgHandler.c b/source/client/src/clientMsgHandler.c
index d6fdb29b59..9ab618cf3a 100644
--- a/source/client/src/clientMsgHandler.c
+++ b/source/client/src/clientMsgHandler.c
@@ -131,6 +131,7 @@ int32_t processConnectRsp(void* param, SDataBuf* pMsg, int32_t code) {
 
   pTscObj->connType = connectRsp.connType;
   pTscObj->passInfo.ver = connectRsp.passVer;
+  pTscObj->authVer = connectRsp.authVer;
 
   hbRegisterConn(pTscObj->pAppInfo->pAppHbMgr, pTscObj->id, connectRsp.clusterId, connectRsp.connType);
 
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index debb93e8ba..38806b6042 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -1523,6 +1523,9 @@ int32_t tSerializeSGetUserAuthRspImpl(SEncoder *pEncoder, SGetUserAuthRsp *pRsp)
     useDb = taosHashIterate(pRsp->useDbs, useDb);
   }
 
+  // since 3.0.7.0
+  if (tEncodeI32(pEncoder, pRsp->passVer) < 0) return -1;
+
   return 0;
 }
 
@@ -1644,6 +1647,12 @@ int32_t tDeserializeSGetUserAuthRspImpl(SDecoder *pDecoder, SGetUserAuthRsp *pRs
       taosHashPut(pRsp->useDbs, key, strlen(key), &ref, sizeof(ref));
       taosMemoryFree(key);
     }
+    // since 3.0.7.0
+    if (!tDecodeIsEnd(pDecoder)) {
+      if (tDecodeI32(pDecoder, &pRsp->passVer) < 0) return -1;
+    } else {
+      pRsp->passVer = 0;
+    }
   }
 
   return 0;
@@ -3029,59 +3038,6 @@ void tFreeSUserAuthBatchRsp(SUserAuthBatchRsp *pRsp) {
   taosArrayDestroy(pRsp->pArray);
 }
 
-int32_t tSerializeSUserPassBatchRsp(void *buf, int32_t bufLen, SUserPassBatchRsp *pRsp) {
-  SEncoder encoder = {0};
-  tEncoderInit(&encoder, buf, bufLen);
-
-  if (tStartEncode(&encoder) < 0) return -1;
-
-  int32_t numOfBatch = taosArrayGetSize(pRsp->pArray);
-  if (tEncodeI32(&encoder, numOfBatch) < 0) return -1;
-  for (int32_t i = 0; i < numOfBatch; ++i) {
-    SGetUserPassRsp *pUserPassRsp = taosArrayGet(pRsp->pArray, i);
-    if (tEncodeCStr(&encoder, pUserPassRsp->user) < 0) return -1;
-    if (tEncodeI32(&encoder, pUserPassRsp->version) < 0) return -1;
-  }
-  tEndEncode(&encoder);
-
-  int32_t tlen = encoder.pos;
-  tEncoderClear(&encoder);
-  return tlen;
-}
-
-int32_t tDeserializeSUserPassBatchRsp(void *buf, int32_t bufLen, SUserPassBatchRsp *pRsp) {
-  SDecoder decoder = {0};
-  tDecoderInit(&decoder, buf, bufLen);
-
-  if (tStartDecode(&decoder) < 0) return -1;
-
-  int32_t numOfBatch = taosArrayGetSize(pRsp->pArray);
-  if (tDecodeI32(&decoder, &numOfBatch) < 0) return -1;
-
-  pRsp->pArray = taosArrayInit(numOfBatch, sizeof(SGetUserPassRsp));
-  if (pRsp->pArray == NULL) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return -1;
-  }
-
-  for (int32_t i = 0; i < numOfBatch; ++i) {
-    SGetUserPassRsp rsp = {0};
-    if (tDecodeCStrTo(&decoder, rsp.user) < 0) return -1;
-    if (tDecodeI32(&decoder, &rsp.version) < 0) return -1;
-    taosArrayPush(pRsp->pArray, &rsp);
-  }
-  tEndDecode(&decoder);
-
-  tDecoderClear(&decoder);
-  return 0;
-}
-
-void tFreeSUserPassBatchRsp(SUserPassBatchRsp *pRsp) {
-  if(pRsp) {
-    taosArrayDestroy(pRsp->pArray);
-  }
-}
-
 int32_t tSerializeSDbCfgReq(void *buf, int32_t bufLen, SDbCfgReq *pReq) {
   SEncoder encoder = {0};
   tEncoderInit(&encoder, buf, bufLen);
@@ -4159,6 +4115,7 @@ int32_t tSerializeSConnectRsp(void *buf, int32_t bufLen, SConnectRsp *pRsp) {
   if (tEncodeCStr(&encoder, pRsp->sVer) < 0) return -1;
   if (tEncodeCStr(&encoder, pRsp->sDetailVer) < 0) return -1;
   if (tEncodeI32(&encoder, pRsp->passVer) < 0) return -1;
+  if (tEncodeI32(&encoder, pRsp->authVer) < 0) return -1;
   tEndEncode(&encoder);
 
   int32_t tlen = encoder.pos;
@@ -4188,6 +4145,12 @@ int32_t tDeserializeSConnectRsp(void *buf, int32_t bufLen, SConnectRsp *pRsp) {
   } else {
     pRsp->passVer = 0;
   }
+  // since 3.0.7.0
+  if (!tDecodeIsEnd(&decoder)) {
+    if (tDecodeI32(&decoder, &pRsp->authVer) < 0) return -1;
+  } else {
+    pRsp->authVer = 0;
+  }
 
   tEndDecode(&decoder);
 
diff --git a/source/dnode/mnode/impl/inc/mndUser.h b/source/dnode/mnode/impl/inc/mndUser.h
index 93ae38e554..8b930e7f18 100644
--- a/source/dnode/mnode/impl/inc/mndUser.h
+++ b/source/dnode/mnode/impl/inc/mndUser.h
@@ -35,8 +35,6 @@ SHashObj *mndDupTableHash(SHashObj *pOld);
 SHashObj *mndDupTopicHash(SHashObj *pOld);
 int32_t   mndValidateUserAuthInfo(SMnode *pMnode, SUserAuthVersion *pUsers, int32_t numOfUses, void **ppRsp,
                                   int32_t *pRspLen);
-int32_t   mndValidateUserPassInfo(SMnode *pMnode, SUserPassVersion *pUsers, int32_t numOfUses, void **ppRsp,
-                                  int32_t *pRspLen);
 int32_t   mndUserRemoveDb(SMnode *pMnode, STrans *pTrans, char *db);
 int32_t   mndUserRemoveTopic(SMnode *pMnode, STrans *pTrans, char *topic);
 
diff --git a/source/dnode/mnode/impl/src/mndPrivilege.c b/source/dnode/mnode/impl/src/mndPrivilege.c
index de0374c6e8..bec516b1ee 100644
--- a/source/dnode/mnode/impl/src/mndPrivilege.c
+++ b/source/dnode/mnode/impl/src/mndPrivilege.c
@@ -36,7 +36,9 @@ int32_t mndSetUserAuthRsp(SMnode *pMnode, SUserObj *pUser, SGetUserAuthRsp *pRsp
   memcpy(pRsp->user, pUser->user, TSDB_USER_LEN);
   pRsp->superAuth = 1;
   pRsp->enable = pUser->enable;
+  pRsp->sysInfo = pUser->sysInfo;
   pRsp->version = pUser->authVersion;
+  pRsp->passVer = pUser->passVersion;
   return 0;
 }
 #endif
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index fbf54e80f3..01409a3880 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -288,6 +288,7 @@ _CONNECT:
   connectRsp.dnodeNum = mndGetDnodeSize(pMnode);
   connectRsp.svrTimestamp = taosGetTimestampSec();
   connectRsp.passVer = pUser->passVersion;
+  connectRsp.authVer = pUser->authVersion;
 
   strcpy(connectRsp.sVer, version);
   snprintf(connectRsp.sDetailVer, sizeof(connectRsp.sDetailVer), "ver:%s\nbuild:%s\ngitinfo:%s", version, buildinfo,
@@ -552,16 +553,6 @@ static int32_t mndProcessQueryHeartBeat(SMnode *pMnode, SRpcMsg *pMsg, SClientHb
         }
         break;
       }
-      case HEARTBEAT_KEY_USER_PASSINFO: {
-        void   *rspMsg = NULL;
-        int32_t rspLen = 0;
-        mndValidateUserPassInfo(pMnode, kv->value, kv->valueLen / sizeof(SUserPassVersion), &rspMsg, &rspLen);
-        if (rspMsg && rspLen > 0) {
-          SKv kv1 = {.key = HEARTBEAT_KEY_USER_PASSINFO, .valueLen = rspLen, .value = rspMsg};
-          taosArrayPush(hbRsp.info, &kv1);
-        }
-        break;
-      }
       default:
         mError("invalid kv key:%d", kv->key);
         hbRsp.status = TSDB_CODE_APP_ERROR;
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 7a34e0f6a5..2d00e383a2 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -825,7 +825,6 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
 
   if (mndUserDupObj(pUser, &newUser) != 0) goto _OVER;
 
-  newUser.passVersion = pUser->passVersion;
   if (alterReq.alterType == TSDB_ALTER_USER_PASSWD) {
     char pass[TSDB_PASSWORD_LEN + 1] = {0};
     taosEncryptPass_c((uint8_t *)alterReq.pass, strlen(alterReq.pass), pass);
@@ -1432,69 +1431,6 @@ _OVER:
   return code;
 }
 
-int32_t mndValidateUserPassInfo(SMnode *pMnode, SUserPassVersion *pUsers, int32_t numOfUses, void **ppRsp,
-                                int32_t *pRspLen) {
-  int32_t           code = 0;
-  SUserPassBatchRsp batchRsp = {0};
-
-  for (int32_t i = 0; i < numOfUses; ++i) {
-    SUserObj *pUser = mndAcquireUser(pMnode, pUsers[i].user);
-    if (pUser == NULL) {
-      mError("user:%s, failed to validate user pass since %s", pUsers[i].user, terrstr());
-      continue;
-    }
-
-    pUsers[i].version = ntohl(pUsers[i].version);
-    if (pUser->passVersion <= pUsers[i].version) {
-      mTrace("user:%s, not update since mnd passVer %d <= client passVer %d", pUsers[i].user, pUser->passVersion,
-             pUsers[i].version);
-      mndReleaseUser(pMnode, pUser);
-      continue;
-    }
-
-    SGetUserPassRsp rsp = {0};
-    memcpy(rsp.user, pUser->user, TSDB_USER_LEN);
-    rsp.version = pUser->passVersion;
-
-    if (!batchRsp.pArray && !(batchRsp.pArray = taosArrayInit(numOfUses, sizeof(SGetUserPassRsp)))) {
-      code = TSDB_CODE_OUT_OF_MEMORY;
-      mndReleaseUser(pMnode, pUser);
-      goto _OVER;
-    }
-
-    taosArrayPush(batchRsp.pArray, &rsp);
-    mndReleaseUser(pMnode, pUser);
-  }
-
-  if (taosArrayGetSize(batchRsp.pArray) <= 0) {
-    goto _OVER;
-  }
-
-  int32_t rspLen = tSerializeSUserPassBatchRsp(NULL, 0, &batchRsp);
-  if (rspLen < 0) {
-    code = TSDB_CODE_OUT_OF_MEMORY;
-    goto _OVER;
-  }
-  void   *pRsp = taosMemoryMalloc(rspLen);
-  if (pRsp == NULL) {
-    code = TSDB_CODE_OUT_OF_MEMORY;
-    goto _OVER;
-  }
-  tSerializeSUserPassBatchRsp(pRsp, rspLen, &batchRsp);
-
-  *ppRsp = pRsp;
-  *pRspLen = rspLen;
-
-_OVER:
-  if (code) {
-    *ppRsp = NULL;
-    *pRspLen = 0;
-  }
-
-  tFreeSUserPassBatchRsp(&batchRsp);
-  return code;
-}
-
 int32_t mndUserRemoveDb(SMnode *pMnode, STrans *pTrans, char *db) {
   int32_t   code = 0;
   SSdb     *pSdb = pMnode->pSdb;
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index f19fa54cbd..a293858207 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1157,7 +1157,7 @@ int32_t extractDelDataBlock(const void* pData, int32_t len, int64_t ver, SStream
   SDecoder*   pCoder = &(SDecoder){0};
   SDeleteRes* pRes = &(SDeleteRes){0};
 
-  *pRefBlock = NULL;
+  (*pRefBlock) = NULL;
 
   pRes->uidList = taosArrayInit(0, sizeof(tb_uid_t));
   if (pRes->uidList == NULL) {
@@ -1197,7 +1197,7 @@ int32_t extractDelDataBlock(const void* pData, int32_t len, int64_t ver, SStream
 
   taosArrayDestroy(pRes->uidList);
   *pRefBlock = taosAllocateQitem(sizeof(SStreamRefDataBlock), DEF_QITEM, 0);
-  if (pRefBlock == NULL) {
+  if ((*pRefBlock) == NULL) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 84dcde06ac..29e59daeb9 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -3064,6 +3064,7 @@ static int32_t moveToNextFile(STsdbReader* pReader, SBlockNumber* pBlockNum, SAr
     // only check here, since the iterate data in memory is very fast.
     if (pReader->code != TSDB_CODE_SUCCESS) {
       tsdbWarn("tsdb reader is stopped ASAP, code:%s, %s", strerror(pReader->code), pReader->idStr);
+      taosArrayDestroy(pIndexList);
       return pReader->code;
     }
 
@@ -5583,58 +5584,3 @@ void tsdbReaderSetId(STsdbReader* pReader, const char* idstr) {
 }
 
 void tsdbReaderSetCloseFlag(STsdbReader* pReader) { pReader->code = TSDB_CODE_TSC_QUERY_CANCELLED; }
-
-/*-------------todo:refactor the implementation of those APIs in this file to seperate the API into two files------*/
-// opt perf, do NOT create so many readers
-int64_t tsdbGetLastTimestamp(SVnode* pVnode, void* pTableList, int32_t numOfTables, const char* pIdStr) {
-  SQueryTableDataCond cond = {.type = TIMEWINDOW_RANGE_CONTAINED, .numOfCols = 1, .order = TSDB_ORDER_DESC,
-                              .startVersion = -1, .endVersion = -1};
-  cond.twindows.skey = INT64_MIN;
-  cond.twindows.ekey = INT64_MAX;
-
-  cond.colList = taosMemoryCalloc(1, sizeof(SColumnInfo));
-  cond.pSlotList = taosMemoryMalloc(sizeof(int32_t) * cond.numOfCols);
-  if (cond.colList == NULL || cond.pSlotList == NULL) {
-    // todo
-  }
-
-  cond.colList[0].colId = 1;
-  cond.colList[0].slotId = 0;
-  cond.colList[0].type = TSDB_DATA_TYPE_TIMESTAMP;
-
-  cond.pSlotList[0] = 0;
-
-  STableKeyInfo* pTableKeyInfo = pTableList;
-  STsdbReader* pReader = NULL;
-  SSDataBlock* pBlock = createDataBlock();
-
-  SColumnInfoData data = {0};
-  data.info = (SColumnInfo) {.type = TSDB_DATA_TYPE_TIMESTAMP, .colId = 1, .bytes = TSDB_KEYSIZE};
-  blockDataAppendColInfo(pBlock, &data);
-
-  int64_t key = INT64_MIN;
-
-  for(int32_t i = 0; i < numOfTables; ++i) {
-    int32_t code = tsdbReaderOpen(pVnode, &cond, &pTableKeyInfo[i], 1, pBlock, (void**)&pReader, pIdStr, false, NULL);
-    if (code != TSDB_CODE_SUCCESS) {
-      return code;
-    }
-
-    bool hasData = false;
-    code = tsdbNextDataBlock(pReader, &hasData);
-    if (!hasData || code != TSDB_CODE_SUCCESS) {
-      continue;
-    }
-
-    SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, 0);
-    int64_t k = *(int64_t*)pCol->pData;
-
-    if (key < k) {
-      key = k;
-    }
-
-    tsdbReaderClose(pReader);
-  }
-
-  return 0;
-}
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index cfea233a1c..832750e967 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1109,7 +1109,6 @@ int32_t getTableList(void* pVnode, SScanPhysiNode* pScanNode, SNode* pTagCond, S
         code = doFilterTag(pTagIndexCond, &metaArg, pUidList, &status, &pStorageAPI->metaFilter);
         if (code != 0 || status == SFLT_NOT_INDEX) {  // temporarily disable it for performance sake
           qDebug("failed to get tableIds from index, suid:%" PRIu64, pScanNode->uid);
-          code = TSDB_CODE_SUCCESS;
         } else {
           qInfo("succ to get filter result, table num: %d", (int)taosArrayGetSize(pUidList));
         }
diff --git a/source/libs/executor/src/joinoperator.c b/source/libs/executor/src/joinoperator.c
index 13ab5d05a5..f334ae02f6 100644
--- a/source/libs/executor/src/joinoperator.c
+++ b/source/libs/executor/src/joinoperator.c
@@ -150,9 +150,12 @@ static int32_t initTagColskeyBuf(int32_t* keyLen, char** keyBuf, const SArray* p
   int32_t nullFlagSize = sizeof(int8_t) * numOfGroupCols;
   (*keyLen) += nullFlagSize;
 
-  (*keyBuf) = taosMemoryCalloc(1, (*keyLen));
-  if ((*keyBuf) == NULL) {
-    return TSDB_CODE_OUT_OF_MEMORY;
+  if (*keyLen >= 0) {
+
+    (*keyBuf) = taosMemoryCalloc(1, (*keyLen));
+    if ((*keyBuf) == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
   }
 
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/stream/src/streamData.c b/source/libs/stream/src/streamData.c
index 7c06e7deb3..baf2f73f90 100644
--- a/source/libs/stream/src/streamData.c
+++ b/source/libs/stream/src/streamData.c
@@ -27,6 +27,7 @@ SStreamDataBlock* createStreamDataFromDispatchMsg(const SStreamDispatchReq* pReq
   int32_t blockNum = pReq->blockNum;
   SArray* pArray = taosArrayInit_s(sizeof(SSDataBlock), blockNum);
   if (pArray == NULL) {
+    taosFreeQitem(pData);
     return NULL;
   }
 
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index 46290c306f..051c664c53 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -212,8 +212,9 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
     }
 
     if (taosArrayGetSize(pRes) == 0) {
+      taosArrayDestroy(pRes);
+
       if (finished) {
-        taosArrayDestroy(pRes);
         qDebug("s-task:%s finish recover exec task ", pTask->id.idStr);
         break;
       } else {
@@ -317,6 +318,61 @@ int32_t updateCheckPointInfo(SStreamTask* pTask) {
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t extractMsgFromInputQ(SStreamTask* pTask, SStreamQueueItem** pInput, int32_t* numOfBlocks,
+                                    const char* id) {
+  int32_t retryTimes = 0;
+  int32_t MAX_RETRY_TIMES = 5;
+
+  while (1) {
+    if (streamTaskShouldPause(&pTask->status)) {
+      qDebug("s-task:%s task should pause, input blocks:%d", pTask->id.idStr, *numOfBlocks);
+      return TSDB_CODE_SUCCESS;
+    }
+
+    SStreamQueueItem* qItem = streamQueueNextItem(pTask->inputQueue);
+    if (qItem == NULL) {
+      if (pTask->taskLevel == TASK_LEVEL__SOURCE && (++retryTimes) < MAX_RETRY_TIMES) {
+        taosMsleep(10);
+        qDebug("===stream===try again batchSize:%d, retry:%d", *numOfBlocks, retryTimes);
+        continue;
+      }
+
+      qDebug("===stream===break batchSize:%d", *numOfBlocks);
+      return TSDB_CODE_SUCCESS;
+    }
+
+    // do not merge blocks for sink node
+    if (pTask->taskLevel == TASK_LEVEL__SINK) {
+      *numOfBlocks = 1;
+      *pInput = qItem;
+      return TSDB_CODE_SUCCESS;
+    }
+
+    if (*pInput == NULL) {
+      ASSERT((*numOfBlocks) == 0);
+      *pInput = qItem;
+    } else {
+      // todo we need to sort the data block, instead of just appending into the array list.
+      void* newRet = streamMergeQueueItem(*pInput, qItem);
+      if (newRet == NULL) {
+        qError("s-task:%s failed to merge blocks from inputQ, numOfBlocks:%d", id, *numOfBlocks);
+        streamQueueProcessFail(pTask->inputQueue);
+        return TSDB_CODE_SUCCESS;
+      }
+
+      *pInput = newRet;
+    }
+
+    *numOfBlocks += 1;
+    streamQueueProcessSuccess(pTask->inputQueue);
+
+    if (*numOfBlocks >= MAX_STREAM_EXEC_BATCH_NUM) {
+      qDebug("s-task:%s batch size limit:%d reached, start to process blocks", id, MAX_STREAM_EXEC_BATCH_NUM);
+      return TSDB_CODE_SUCCESS;
+    }
+  }
+}
+
 /**
  * todo: the batch of blocks should be tuned dynamic, according to the total elapsed time of each batch of blocks, the
  * appropriate batch of blocks should be handled in 5 to 10 sec.
@@ -325,70 +381,15 @@ int32_t streamExecForAll(SStreamTask* pTask) {
   const char* id = pTask->id.idStr;
 
   while (1) {
-    int32_t batchSize = 1;
-    int16_t times = 0;
-
+    int32_t batchSize = 0;
     SStreamQueueItem* pInput = NULL;
 
     // merge multiple input data if possible in the input queue.
     qDebug("s-task:%s start to extract data block from inputQ", id);
 
-    while (1) {
-      if (streamTaskShouldPause(&pTask->status)) {
-        if (batchSize > 1) {
-          break;
-        } else {
-          return 0;
-        }
-      }
-
-      SStreamQueueItem* qItem = streamQueueNextItem(pTask->inputQueue);
-      if (qItem == NULL) {
-        if (pTask->taskLevel == TASK_LEVEL__SOURCE && batchSize < MIN_STREAM_EXEC_BATCH_NUM && times < 5) {
-          times++;
-          taosMsleep(10);
-          qDebug("===stream===try again batchSize:%d", batchSize);
-          continue;
-        }
-
-        qDebug("===stream===break batchSize:%d", batchSize);
-        break;
-      }
-
-      if (pInput == NULL) {
-        pInput = qItem;
-        streamQueueProcessSuccess(pTask->inputQueue);
-        if (pTask->taskLevel == TASK_LEVEL__SINK) {
-          break;
-        }
-      } else {
-        // todo we need to sort the data block, instead of just appending into the array list.
-        void* newRet = NULL;
-        if ((newRet = streamMergeQueueItem(pInput, qItem)) == NULL) {
-          streamQueueProcessFail(pTask->inputQueue);
-          break;
-        } else {
-          batchSize++;
-          pInput = newRet;
-          streamQueueProcessSuccess(pTask->inputQueue);
-
-          if (batchSize > MAX_STREAM_EXEC_BATCH_NUM) {
-            qDebug("s-task:%s batch size limit:%d reached, start to process blocks", id,
-                   MAX_STREAM_EXEC_BATCH_NUM);
-            break;
-          }
-        }
-      }
-    }
-
-    if (streamTaskShouldStop(&pTask->status)) {
-      if (pInput) {
-        streamFreeQitem(pInput);
-      }
-      return 0;
-    }
-
+    /*int32_t code = */extractMsgFromInputQ(pTask, &pInput, &batchSize, id);
     if (pInput == NULL) {
+      ASSERT(batchSize == 0);
       break;
     }
 
@@ -403,8 +404,7 @@ int32_t streamExecForAll(SStreamTask* pTask) {
     while (pTask->taskLevel == TASK_LEVEL__SOURCE) {
       int8_t status = atomic_load_8(&pTask->status.taskStatus);
       if (status != TASK_STATUS__NORMAL && status != TASK_STATUS__PAUSE) {
-        qError("stream task wait for the end of fill history, s-task:%s, status:%d", id,
-               atomic_load_8(&pTask->status.taskStatus));
+        qError("stream task wait for the end of fill history, s-task:%s, status:%d", id, status);
         taosMsleep(100);
       } else {
         break;
@@ -457,6 +457,7 @@ int32_t streamExecForAll(SStreamTask* pTask) {
     double  el = (taosGetTimestampMs() - st) / 1000.0;
     qDebug("s-task:%s batch of input blocks exec end, elapsed time:%.2fs, result size:%.2fMiB, numOfBlocks:%d",
            id, el, resSize / 1048576.0, totalBlocks);
+
     streamFreeQitem(pInput);
   }
 
diff --git a/tests/script/api/passwdTest.c b/tests/script/api/passwdTest.c
index 1bf4987689..1cc0072dc7 100644
--- a/tests/script/api/passwdTest.c
+++ b/tests/script/api/passwdTest.c
@@ -32,9 +32,21 @@
 #define nRoot    10
 #define nUser    10
 #define USER_LEN 24
+#define BUF_LEN  256
+
+typedef uint16_t VarDataLenT;
+
+#define TSDB_NCHAR_SIZE    sizeof(int32_t)
+#define VARSTR_HEADER_SIZE sizeof(VarDataLenT)
+
+#define GET_FLOAT_VAL(x)  (*(float *)(x))
+#define GET_DOUBLE_VAL(x) (*(double *)(x))
+
+#define varDataLen(v) ((VarDataLenT *)(v))[0]
 
 void createUsers(TAOS *taos, const char *host, char *qstr);
 void passVerTestMulti(const char *host, char *qstr);
+void sysInfoTest(const char *host, char *qstr);
 
 int   nPassVerNotified = 0;
 TAOS *taosu[nRoot] = {0};
@@ -83,6 +95,95 @@ static void queryDB(TAOS *taos, char *command) {
   taos_free_result(pSql);
 }
 
+int printRow(char *str, TAOS_ROW row, TAOS_FIELD *fields, int numFields) {
+  int  len = 0;
+  char split = ' ';
+
+  for (int i = 0; i < numFields; ++i) {
+    if (i > 0) {
+      str[len++] = split;
+    }
+
+    if (row[i] == NULL) {
+      len += sprintf(str + len, "%s", "NULL");
+      continue;
+    }
+
+    switch (fields[i].type) {
+      case TSDB_DATA_TYPE_TINYINT:
+        len += sprintf(str + len, "%d", *((int8_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_UTINYINT:
+        len += sprintf(str + len, "%u", *((uint8_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_SMALLINT:
+        len += sprintf(str + len, "%d", *((int16_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_USMALLINT:
+        len += sprintf(str + len, "%u", *((uint16_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_INT:
+        len += sprintf(str + len, "%d", *((int32_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_UINT:
+        len += sprintf(str + len, "%u", *((uint32_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_BIGINT:
+        len += sprintf(str + len, "%" PRId64, *((int64_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_UBIGINT:
+        len += sprintf(str + len, "%" PRIu64, *((uint64_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_FLOAT: {
+        float fv = 0;
+        fv = GET_FLOAT_VAL(row[i]);
+        len += sprintf(str + len, "%f", fv);
+      } break;
+      case TSDB_DATA_TYPE_DOUBLE: {
+        double dv = 0;
+        dv = GET_DOUBLE_VAL(row[i]);
+        len += sprintf(str + len, "%lf", dv);
+      } break;
+      case TSDB_DATA_TYPE_BINARY:
+      case TSDB_DATA_TYPE_NCHAR:
+      case TSDB_DATA_TYPE_GEOMETRY: {
+        int32_t charLen = varDataLen((char *)row[i] - VARSTR_HEADER_SIZE);
+        memcpy(str + len, row[i], charLen);
+        len += charLen;
+      } break;
+      case TSDB_DATA_TYPE_TIMESTAMP:
+        len += sprintf(str + len, "%" PRId64, *((int64_t *)row[i]));
+        break;
+      case TSDB_DATA_TYPE_BOOL:
+        len += sprintf(str + len, "%d", *((int8_t *)row[i]));
+      default:
+        break;
+    }
+  }
+  return len;
+}
+
+static int printResult(TAOS_RES *res, char *output) {
+  int         numFields = taos_num_fields(res);
+  TAOS_FIELD *fields = taos_fetch_fields(res);
+  char        header[BUF_LEN] = {0};
+  int         len = 0;
+  for (int i = 0; i < numFields; ++i) {
+    len += sprintf(header + len, "%s ", fields[i].name);
+  }
+  puts(header);
+  if (output) {
+    strncpy(output, header, BUF_LEN);
+  }
+
+  TAOS_ROW row = NULL;
+  while ((row = taos_fetch_row(res))) {
+    char temp[BUF_LEN] = {0};
+    printRow(temp, row, fields, numFields);
+    puts(temp);
+  }
+}
+
 int main(int argc, char *argv[]) {
   char qstr[1024];
 
@@ -99,6 +200,7 @@ int main(int argc, char *argv[]) {
   }
   createUsers(taos, argv[1], qstr);
   passVerTestMulti(argv[1], qstr);
+  sysInfoTest(argv[1], qstr);
 
   taos_close(taos);
   taos_cleanup();
@@ -167,6 +269,8 @@ void passVerTestMulti(const char *host, char *qstr) {
   int nConn = nRoot + nUser;
 
   for (int i = 0; i < 15; ++i) {
+    printf("%s:%d [%d] second(s) elasped, passVer notification received:%d, total:%d\n", __func__, __LINE__, i,
+           nPassVerNotified, nConn);
     if (nPassVerNotified >= nConn) break;
     sleep(1);
   }
@@ -175,19 +279,101 @@ void passVerTestMulti(const char *host, char *qstr) {
   for (int i = 0; i < nRoot; ++i) {
     taos_close(taos[i]);
     printf("%s:%d close taos[%d]\n", __func__, __LINE__, i);
-    sleep(1);
+    // sleep(1);
   }
 
   for (int i = 0; i < nUser; ++i) {
     taos_close(taosu[i]);
     printf("%s:%d close taosu[%d]\n", __func__, __LINE__, i);
+    // sleep(1);
+  }
+
+  fprintf(stderr, "######## %s #########\n", __func__);
+  if (nPassVerNotified >= nConn) {
+    fprintf(stderr, ">>> succeed to get passVer notification since nNotify %d >= nConn %d\n", nPassVerNotified,
+            nConn);
+  } else {
+    fprintf(stderr, ">>> failed to get passVer notification since nNotify %d < nConn %d\n", nPassVerNotified, nConn);
+  }
+  fprintf(stderr, "######## %s #########\n", __func__);
+  // sleep(300);
+}
+
+void sysInfoTest(const char *host, char *qstr) {
+  // root
+  TAOS *taos[nRoot] = {0};
+  char  userName[USER_LEN] = "root";
+
+  for (int i = 0; i < nRoot; ++i) {
+    taos[i] = taos_connect(host, "root", "taos", NULL, 0);
+    if (taos[i] == NULL) {
+      fprintf(stderr, "failed to connect to server, reason:%s\n", "null taos" /*taos_errstr(taos)*/);
+      exit(1);
+    }
+  }
+
+  queryDB(taos[0], "create database if not exists demo11 vgroups 1 minrows 10");
+  queryDB(taos[0], "create database if not exists demo12 vgroups 1 minrows 10");
+  queryDB(taos[0], "create database if not exists demo13 vgroups 1 minrows 10");
+
+  queryDB(taos[0], "create table demo11.stb (ts timestamp, c1 int) tags(t1 int)");
+  queryDB(taos[0], "create table demo12.stb (ts timestamp, c1 int) tags(t1 int)");
+  queryDB(taos[0], "create table demo13.stb (ts timestamp, c1 int) tags(t1 int)");
+
+  sprintf(qstr, "show grants");
+  char      output[BUF_LEN];
+  TAOS_RES *res = NULL;
+  int32_t   nRep = 0;
+
+_REP: 
+  fprintf(stderr, "######## %s loop:%d #########\n", __func__, nRep);
+  res = taos_query(taos[0], qstr);
+  if (taos_errno(res) != 0) {
+    fprintf(stderr, "%s:%d failed to execute: %s since %s\n", __func__, __LINE__, qstr, taos_errstr(res));
+    taos_free_result(res);
+    exit(EXIT_FAILURE);
+  }
+  printResult(res, output);
+  taos_free_result(res);
+  if (!strstr(output, "timeseries")) {
+    fprintf(stderr, "%s:%d expected output: 'timeseries' not occur\n", __func__, __LINE__);
+    exit(EXIT_FAILURE);
+  }
+
+  queryDB(taos[0], "alter user root sysinfo 0");
+
+  fprintf(stderr, "%s:%d sleep 2 seconds to wait HB take effect\n", __func__, __LINE__);
+  for (int i = 1; i <= 2; ++i) {
     sleep(1);
   }
 
-  if (nPassVerNotified >= nConn) {
-    fprintf(stderr, "succeed to get passVer notification since nNotify %d >= nConn %d\n", nPassVerNotified, nConn);
-  } else {
-    fprintf(stderr, "failed to get passVer notification since nNotify %d < nConn %d\n", nPassVerNotified, nConn);
+  res = taos_query(taos[0], qstr);
+  if (taos_errno(res) != 0) {
+    if (!strstr(taos_errstr(res), "Permission denied")) {
+      fprintf(stderr, "%s:%d expected error: 'Permission denied' not occur\n", __func__, __LINE__);
+      taos_free_result(res);
+      exit(EXIT_FAILURE);
+    }
   }
-  // sleep(300);
+  taos_free_result(res);
+
+  queryDB(taos[0], "alter user root sysinfo 1");
+  fprintf(stderr, "%s:%d sleep 2 seconds to wait HB take effect\n", __func__, __LINE__);
+  for (int i = 1; i <= 2; ++i) {
+    sleep(1);
+  }
+
+  if(++nRep < 5) {
+    goto _REP;
+  }
+
+  // close the taos_conn
+  for (int i = 0; i < nRoot; ++i) {
+    taos_close(taos[i]);
+    fprintf(stderr, "%s:%d close taos[%d]\n", __func__, __LINE__, i);
+  }
+
+  fprintf(stderr, "######## %s #########\n", __func__);
+  fprintf(stderr, ">>> succeed to run sysInfoTest\n");
+  fprintf(stderr, "######## %s #########\n", __func__);
 }
\ No newline at end of file