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The following commit(s) were added to refs/heads/master by this push:
     new b8301077fb8 Revert default password to root (#16060)
b8301077fb8 is described below

commit b8301077fb82ab6488f1f07d9ca2f2afbde151f4
Author: Jiang Tian <[email protected]>
AuthorDate: Thu Jul 31 08:59:54 2025 +0800

    Revert default password to root (#16060)
    
    * Revert default password to root
    
    * spotless
    
    * fix missing replacement
---
 CONTRIBUTING.md                                              |  2 +-
 README.md                                                    |  4 ++--
 README_ZH.md                                                 |  4 ++--
 .../src/AlignedTimeseriesSessionExample.cpp                  |  2 +-
 example/client-cpp-example/src/SessionExample.cpp            |  2 +-
 example/client-cpp-example/src/TableModelSessionExample.cpp  |  4 ++--
 .../src/main/java/org/apache/iotdb/JDBCCharsetExample.java   |  4 ++--
 example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java |  2 +-
 .../src/main/java/org/apache/iotdb/PrepareStatementDemo.java |  2 +-
 .../org/apache/iotdb/SyntaxConventionRelatedExample.java     |  2 +-
 .../main/java/org/apache/iotdb/TableModelJDBCExample.java    |  4 ++--
 .../mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java |  2 +-
 example/odbc/README.md                                       |  2 +-
 .../org/apache/iotdb/opcua/IoTDBKeyStoreLoaderClient.java    |  2 +-
 .../src/main/java/org/apache/iotdb/HttpExample.java          |  2 +-
 .../src/main/java/org/apache/iotdb/HttpsExample.java         |  2 +-
 .../src/main/java/org/apache/iotdb/TableHttpExample.java     |  2 +-
 .../src/main/java/org/apache/iotdb/TableHttpsExample.java    |  2 +-
 .../main/java/org/apache/iotdb/schema/PathCheckExample.java  |  3 +--
 .../org/apache/iotdb/AlignedTimeseriesSessionExample.java    |  2 +-
 .../src/main/java/org/apache/iotdb/DataMigrationExample.java |  4 ++--
 .../org/apache/iotdb/HybridTimeseriesSessionExample.java     |  2 +-
 .../main/java/org/apache/iotdb/SessionConcurrentExample.java |  4 ++--
 .../src/main/java/org/apache/iotdb/SessionExample.java       |  6 +++---
 .../src/main/java/org/apache/iotdb/SessionPoolExample.java   |  4 ++--
 .../java/org/apache/iotdb/SubscriptionSessionExample.java    |  4 ++--
 .../org/apache/iotdb/SyntaxConventionRelatedExample.java     |  2 +-
 .../main/java/org/apache/iotdb/TableModelSessionExample.java |  4 ++--
 .../java/org/apache/iotdb/TableModelSessionPoolExample.java  |  4 ++--
 .../apache/iotdb/TableModelSubscriptionSessionExample.java   |  6 +++---
 .../src/main/java/org/apache/iotdb/TabletExample.java        |  2 +-
 .../org/apache/iotdb/it/env/cluster/env/AbstractEnv.java     |  2 +-
 .../org/apache/iotdb/it/env/remote/env/RemoteServerEnv.java  |  2 +-
 .../java/org/apache/iotdb/cli/it/StartClientScriptIT.java    |  4 ++--
 .../java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java     |  4 ++--
 .../test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java |  2 +-
 .../test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java   |  2 +-
 .../dual/tablemodel/manual/enhanced/IoTDBPipeClusterIT.java  |  2 +-
 .../manual/enhanced/IoTDBPipeSinkCompressionIT.java          |  2 +-
 .../it/dual/treemodel/auto/enhanced/IoTDBPipeClusterIT.java  |  2 +-
 .../treemodel/auto/enhanced/IoTDBPipeSinkCompressionIT.java  |  2 +-
 .../apache/iotdb/relational/it/mqtt/IoTDBMQTTServiceIT.java  |  2 +-
 .../org/apache/iotdb/relational/it/rest/it/RestUtils.java    |  2 +-
 .../regression/AbstractSubscriptionTreeRegressionIT.java     |  6 +++---
 .../java/org/apache/iotdb/tools/it/ExportDataTestIT.java     | 12 ++++++------
 .../java/org/apache/iotdb/tools/it/ExportSchemaTestIT.java   |  4 ++--
 .../java/org/apache/iotdb/tools/it/ExportTsFileTestIT.java   |  8 ++++----
 .../java/org/apache/iotdb/tools/it/ImportDataTestIT.java     |  4 ++--
 .../java/org/apache/iotdb/tools/it/ImportSchemaTestIT.java   |  4 ++--
 iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java |  2 +-
 .../main/java/org/apache/iotdb/tool/common/Constants.java    |  2 +-
 .../org/apache/iotdb/tool/tsfile/AbstractTsFileTool.java     |  2 +-
 .../apache/iotdb/tool/tsfile/subscription/CommonParam.java   |  2 +-
 .../src/test/java/org/apache/iotdb/cli/AbstractCliTest.java  | 10 ++++------
 iotdb-client/client-cpp/README.md                            |  2 +-
 iotdb-client/client-cpp/src/main/AbstractSessionBuilder.h    |  2 +-
 iotdb-client/client-cpp/src/main/Session.h                   |  2 +-
 iotdb-client/client-cpp/src/test/main.cpp                    |  2 +-
 iotdb-client/client-cpp/src/test/main_Relational.cpp         |  2 +-
 iotdb-client/client-py/README.md                             | 10 +++++-----
 iotdb-client/client-py/iotdb/Session.py                      |  2 +-
 iotdb-client/client-py/iotdb/table_session.py                |  2 +-
 iotdb-client/client-py/session_aligned_timeseries_example.py |  2 +-
 iotdb-client/client-py/session_example.py                    |  4 ++--
 iotdb-client/client-py/session_pool_example.py               |  2 +-
 iotdb-client/client-py/session_ssl_example.py                |  2 +-
 iotdb-client/client-py/table_model_session_example.py        |  6 +++---
 iotdb-client/client-py/table_model_session_pool_example.py   |  2 +-
 iotdb-client/client-py/tests/integration/iotdb_container.py  |  4 ++--
 .../client-py/tests/integration/sqlalchemy/test_dialect.py   |  2 +-
 .../tests/integration/tablet_performance_comparison.py       |  2 +-
 .../client-py/tests/integration/test_new_data_types.py       |  2 +-
 iotdb-client/client-py/tests/integration/test_session.py     |  2 +-
 .../client-py/tests/integration/test_session_pool.py         |  4 ++--
 .../main/java/org/apache/iotdb/isession/SessionConfig.java   |  2 +-
 iotdb-client/jdbc/README.md                                  |  2 +-
 .../java/org/apache/iotdb/session/TableSessionBuilder.java   |  2 +-
 .../apache/iotdb/session/pool/TableSessionPoolBuilder.java   |  2 +-
 .../java/org/apache/iotdb/session/SessionConnectionTest.java |  6 +++---
 .../src/test/java/org/apache/iotdb/session/SessionTest.java  |  2 +-
 .../apache/iotdb/session/pool/SessionPoolExceptionTest.java  |  3 +--
 .../iotdb/db/auth/authorizer/LocalFileAuthorizerTest.java    |  2 +-
 .../apache/iotdb/db/protocol/rest/GrafanaApiServiceTest.java |  2 +-
 .../apache/iotdb/db/protocol/rest/IoTDBRestServiceTest.java  |  2 +-
 .../iotdb/db/security/encrypt/MessageDigestEncryptTest.java  |  2 +-
 .../java/org/apache/iotdb/metrics/config/MetricConfig.java   |  2 +-
 .../java/org/apache/iotdb/commons/conf/CommonConfig.java     |  2 +-
 .../iotdb/commons/pipe/config/constant/PipeSinkConstant.java |  2 +-
 scripts/sbin/start-cli.sh                                    |  4 ++--
 scripts/sbin/windows/start-cli-table.bat                     |  4 ++--
 scripts/sbin/windows/start-cli.bat                           |  4 ++--
 scripts/tools/ops/collect-info.sh                            |  2 +-
 scripts/tools/windows/ops/collect-info.bat                   |  2 +-
 93 files changed, 140 insertions(+), 144 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e5c7d3a994e..e29a9cd2540 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -133,7 +133,7 @@ mvn clean package -DskipTests
 Mark `iotdb-core/antlr/target/generated-sources/antlr4` and 
`iotdb-protocol/thrift-datanode/target/generated-sources/thrift` as `Source 
Root`.
 
 * Server main 
function:`iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode`,
 can be started in debug mode.
-* Cli:`iotdb-client/cli/src/main/java/org/apache/iotdb/cli/`,Use Cli for linux 
and WinCli for windows, you can start directly with the parameter "`-h 
127.0.0.1 -p 6667 -u root -pw IoTDB@2011`"
+* Cli:`iotdb-client/cli/src/main/java/org/apache/iotdb/cli/`,Use Cli for linux 
and WinCli for windows, you can start directly with the parameter "`-h 
127.0.0.1 -p 6667 -u root -pw root`"
 * Server rpc implementation (mainly used for cli and server communication, 
generally start interruption point 
here):`iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/TSServiceImpl`
 * all jdbc statements:`executeStatement(TSExecuteStatementReq req)`
 * jdbc query:`executeQueryStatement(TSExecuteStatementReq req)`        
diff --git a/README.md b/README.md
index cdd4c898c3f..20aed0827a3 100644
--- a/README.md
+++ b/README.md
@@ -334,9 +334,9 @@ Users can start 1C1D IoTDB by the start-standalone script 
under the sbin folder.
 
 IoTDB offers different ways to interact with server, here we introduce the 
basic steps of using Cli tool to insert and query data.
 
-After installing IoTDB, there is a default user 'root', its default password 
is 'IoTDB@2011'. Users can use this
+After installing IoTDB, there is a default user 'root', its default password 
is 'root'. Users can use this
 default user to login Cli to use IoTDB. The start-up script of Cli is the 
start-cli script in the folder sbin. When executing the script, user should 
assign
-IP, PORT, USER_NAME and PASSWORD. The default parameters are "-h 127.0.0.1 -p 
6667 -u root -pw IoTDB@2011".
+IP, PORT, USER_NAME and PASSWORD. The default parameters are "-h 127.0.0.1 -p 
6667 -u root -pw root".
 
 Here is the command for starting the Cli:
 
diff --git a/README_ZH.md b/README_ZH.md
index e30e0540729..359e3307379 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -209,9 +209,9 @@ git checkout rel/x.x
 
 IoTDB提供了与服务器交互的不同方式,这里我们将介绍使用 Cli 工具插入和查询数据的基本步骤。
 
-安装 IoTDB 后,有一个默认的用户`root`,它的默认密码是`IoTDB@2011`。用户可以使用这个
+安装 IoTDB 后,有一个默认的用户`root`,它的默认密码是`root`。用户可以使用这个
 默认用户登录 Cli 并使用 IoTDB。Cli 的启动脚本是 sbin 文件夹中的 start-cli 脚本。
-在执行脚本时,用户应该指定 IP,端口,USER_NAME 和 密码。默认参数为`-h 127.0.0.1 -p 6667 -u root -pw 
IoTDB@2011`。
+在执行脚本时,用户应该指定 IP,端口,USER_NAME 和 密码。默认参数为`-h 127.0.0.1 -p 6667 -u root -pw 
root`。
 
 
 下面是启动 Cli 的命令:
diff --git a/example/client-cpp-example/src/AlignedTimeseriesSessionExample.cpp 
b/example/client-cpp-example/src/AlignedTimeseriesSessionExample.cpp
index 6e26b66d7d0..2cc04ab3b39 100644
--- a/example/client-cpp-example/src/AlignedTimeseriesSessionExample.cpp
+++ b/example/client-cpp-example/src/AlignedTimeseriesSessionExample.cpp
@@ -339,7 +339,7 @@ void deleteStorageGroups() {
 int main() {
     LOG_LEVEL = LEVEL_DEBUG;
 
-    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
+    session = new Session("127.0.0.1", 6667, "root", "root");
 
     cout << "session open\n" << endl;
     session->open(false);
diff --git a/example/client-cpp-example/src/SessionExample.cpp 
b/example/client-cpp-example/src/SessionExample.cpp
index 8d776dfe628..2803d18976c 100644
--- a/example/client-cpp-example/src/SessionExample.cpp
+++ b/example/client-cpp-example/src/SessionExample.cpp
@@ -376,7 +376,7 @@ void queryLast() {
 int main() {
     LOG_LEVEL = LEVEL_DEBUG;
 
-    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
+    session = new Session("127.0.0.1", 6667, "root", "root");
     session->open(false);
 
     cout << "setStorageGroup: root.sg1\n" << endl;
diff --git a/example/client-cpp-example/src/TableModelSessionExample.cpp 
b/example/client-cpp-example/src/TableModelSessionExample.cpp
index 60c7ea473d7..4e4f9274342 100644
--- a/example/client-cpp-example/src/TableModelSessionExample.cpp
+++ b/example/client-cpp-example/src/TableModelSessionExample.cpp
@@ -99,7 +99,7 @@ int main() {
             ->host("127.0.0.1")
             ->rpcPort(6667)
             ->username("root")
-            ->password("IoTDB@2011")
+            ->password("root")
             ->build();
 
         
@@ -165,7 +165,7 @@ int main() {
             ->host("127.0.0.1")
             ->rpcPort(6667)
             ->username("root")
-            ->password("IoTDB@2011")
+            ->password("root")
             ->database("db1")
             ->build();
 
diff --git 
a/example/jdbc/src/main/java/org/apache/iotdb/JDBCCharsetExample.java 
b/example/jdbc/src/main/java/org/apache/iotdb/JDBCCharsetExample.java
index a53c7748c6c..3ecb9c05646 100644
--- a/example/jdbc/src/main/java/org/apache/iotdb/JDBCCharsetExample.java
+++ b/example/jdbc/src/main/java/org/apache/iotdb/JDBCCharsetExample.java
@@ -41,7 +41,7 @@ public class JDBCCharsetExample {
 
     try (final Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?charset=GB18030", "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667?charset=GB18030", "root", "root");
         final IoTDBStatement statement = (IoTDBStatement) 
connection.createStatement()) {
 
       final String insertSQLWithGB18030 =
@@ -63,7 +63,7 @@ public class JDBCCharsetExample {
     System.out.println("[Charset: " + charset + "]");
     try (final Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?charset=" + charset, "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667?charset=" + charset, "root", 
"root");
         final IoTDBStatement statement = (IoTDBStatement) 
connection.createStatement()) {
       outputResult(statement.executeQuery("select ** from root"), 
Charset.forName(charset));
     } catch (IoTDBSQLException e) {
diff --git a/example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java 
b/example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java
index 317d80751ca..efd94490797 100644
--- a/example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java
+++ b/example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java
@@ -39,7 +39,7 @@ public class JDBCExample {
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "root");
         Statement statement = connection.createStatement()) {
 
       // set JDBC fetchSize
diff --git 
a/example/jdbc/src/main/java/org/apache/iotdb/PrepareStatementDemo.java 
b/example/jdbc/src/main/java/org/apache/iotdb/PrepareStatementDemo.java
index cdc207d20cc..a9a580a8e82 100644
--- a/example/jdbc/src/main/java/org/apache/iotdb/PrepareStatementDemo.java
+++ b/example/jdbc/src/main/java/org/apache/iotdb/PrepareStatementDemo.java
@@ -37,7 +37,7 @@ public class PrepareStatementDemo {
   public static void main(String[] args) throws ClassNotFoundException, 
SQLException {
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
-            DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", 
"root", "IoTDB@2011");
+            DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", 
"root", "root");
         PreparedStatement preparedStatement =
             connection.prepareStatement(
                 "insert into root.ln.wf01.wt01(timestamp,status,temperature) 
values(?,?,?)")) {
diff --git 
a/example/jdbc/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
 
b/example/jdbc/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
index 4bdd34a55cf..98d75a39884 100644
--- 
a/example/jdbc/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
+++ 
b/example/jdbc/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
@@ -69,7 +69,7 @@ public class SyntaxConventionRelatedExample {
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "root");
         Statement statement = connection.createStatement()) {
 
       // set JDBC fetchSize
diff --git 
a/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java 
b/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
index b5bf7e79c6a..49619b5639c 100644
--- a/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
+++ b/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
@@ -41,7 +41,7 @@ public class TableModelJDBCExample {
     // don't specify database in url
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?sql_dialect=table", "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667?sql_dialect=table", "root", 
"root");
         Statement statement = connection.createStatement()) {
 
       statement.execute("CREATE DATABASE test1");
@@ -82,7 +82,7 @@ public class TableModelJDBCExample {
     // specify database in url
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667/test1?sql_dialect=table", "root", 
"IoTDB@2011");
+                "jdbc:iotdb://127.0.0.1:6667/test1?sql_dialect=table", "root", 
"root");
         Statement statement = connection.createStatement()) {
       // show tables from current database test1
       try (ResultSet resultSet = statement.executeQuery("SHOW TABLES")) {
diff --git a/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java 
b/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
index d98fbd3ec1b..84815a85a48 100644
--- a/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
+++ b/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
@@ -32,7 +32,7 @@ public class MQTTClient {
     MQTT mqtt = new MQTT();
     mqtt.setHost("127.0.0.1", 1883);
     mqtt.setUserName("root");
-    mqtt.setPassword("IoTDB@2011");
+    mqtt.setPassword("root");
     mqtt.setConnectAttemptsMax(3);
     mqtt.setReconnectDelay(10);
 
diff --git a/example/odbc/README.md b/example/odbc/README.md
index 0b2630c1266..c9c4edddb28 100644
--- a/example/odbc/README.md
+++ b/example/odbc/README.md
@@ -63,7 +63,7 @@ Then, you can see the output 
`iotdb-jdbc-1.3.2-SNAPSHOT-jar-with-dependencies.ja
        | Driver Class        | org.apache.iotdb.jdbc.IoTDBDriver               
          | org.apache.iotdb.jdbc.IoTDBDriver                                   
                                               |
        | JDBC driver file(s) | The path of IoTDB JDBC jar-with-dependencies    
          | 
C:\Users\13361\Documents\GitHub\iotdb\iotdb-client\jdbc\target\iotdb-jdbc-1.3.2-SNAPSHOT-jar-with-dependencies.jar
 |
        | User name           | IoTDB's user name                               
          | root                                                                
                                               |
-       | User password       | IoTDB's password                                
          | IoTDB@2011                                                          
                                               |
+       | User password       | IoTDB's password                                
          | root                                                                
                                         |
        
        
![ODBC_CONNECTION.png](https://alioss.timecho.com/upload/ODBC_CONNECTION.png)
        
diff --git 
a/example/pipe-opc-ua-sink/src/main/java/org/apache/iotdb/opcua/IoTDBKeyStoreLoaderClient.java
 
b/example/pipe-opc-ua-sink/src/main/java/org/apache/iotdb/opcua/IoTDBKeyStoreLoaderClient.java
index 7a816930dc3..e3245994493 100644
--- 
a/example/pipe-opc-ua-sink/src/main/java/org/apache/iotdb/opcua/IoTDBKeyStoreLoaderClient.java
+++ 
b/example/pipe-opc-ua-sink/src/main/java/org/apache/iotdb/opcua/IoTDBKeyStoreLoaderClient.java
@@ -42,7 +42,7 @@ class IoTDBKeyStoreLoaderClient {
       
Pattern.compile("^(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])$");
 
   private static final String CLIENT_ALIAS = "client-ai";
-  private static final char[] PASSWORD = "IoTDB@2011".toCharArray();
+  private static final char[] PASSWORD = "root".toCharArray();
 
   private X509Certificate[] clientCertificateChain;
   private X509Certificate clientCertificate;
diff --git 
a/example/rest-java-example/src/main/java/org/apache/iotdb/HttpExample.java 
b/example/rest-java-example/src/main/java/org/apache/iotdb/HttpExample.java
index e3d26d6aac3..bccc2fd2549 100644
--- a/example/rest-java-example/src/main/java/org/apache/iotdb/HttpExample.java
+++ b/example/rest-java-example/src/main/java/org/apache/iotdb/HttpExample.java
@@ -83,7 +83,7 @@ public class HttpExample {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/example/rest-java-example/src/main/java/org/apache/iotdb/HttpsExample.java 
b/example/rest-java-example/src/main/java/org/apache/iotdb/HttpsExample.java
index 76db1639c6b..a3dbbceafc7 100644
--- a/example/rest-java-example/src/main/java/org/apache/iotdb/HttpsExample.java
+++ b/example/rest-java-example/src/main/java/org/apache/iotdb/HttpsExample.java
@@ -83,7 +83,7 @@ public class HttpsExample {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpExample.java
 
b/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpExample.java
index e7f0d562111..b9651245d02 100644
--- 
a/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpExample.java
+++ 
b/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpExample.java
@@ -82,7 +82,7 @@ public class TableHttpExample {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpsExample.java
 
b/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpsExample.java
index 6f31da78c4f..200dbf66fdb 100644
--- 
a/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpsExample.java
+++ 
b/example/rest-java-example/src/main/java/org/apache/iotdb/TableHttpsExample.java
@@ -82,7 +82,7 @@ public class TableHttpsExample {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/example/schema/src/main/java/org/apache/iotdb/schema/PathCheckExample.java 
b/example/schema/src/main/java/org/apache/iotdb/schema/PathCheckExample.java
index 1bc9e5a9683..5c2eea3c1a7 100644
--- a/example/schema/src/main/java/org/apache/iotdb/schema/PathCheckExample.java
+++ b/example/schema/src/main/java/org/apache/iotdb/schema/PathCheckExample.java
@@ -46,8 +46,7 @@ import java.util.concurrent.Future;
  *
  * <p>The usage of export-csv.sh can be found in the <a
  * 
href="https://iotdb.apache.org/zh/UserGuide/V1.2.x/Tools-System/Import-Export-Tool.html#csv%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA%E5%B7%A5%E5%85%B7";>documentation</a>.
- * For example: ./export-csv.sh -h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011 
-td . -q "show
- * timeseries"
+ * For example: ./export-csv.sh -h 127.0.0.1 -p 6667 -u root -pw root -td . -q 
"show timeseries"
  */
 public class PathCheckExample {
   private static final List<String> INPUT_LIST = new ArrayList<>();
diff --git 
a/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
 
b/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
index 1fc1bec487b..a9d3150e23b 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
@@ -57,7 +57,7 @@ public class AlignedTimeseriesSessionExample {
 
   public static void main(String[] args)
       throws IoTDBConnectionException, StatementExecutionException {
-    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
+    session = new Session("127.0.0.1", 6667, "root", "root");
     session.open(false);
 
     // set session fetchSize
diff --git 
a/example/session/src/main/java/org/apache/iotdb/DataMigrationExample.java 
b/example/session/src/main/java/org/apache/iotdb/DataMigrationExample.java
index 7fcf9cadebb..fb130cce40a 100644
--- a/example/session/src/main/java/org/apache/iotdb/DataMigrationExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/DataMigrationExample.java
@@ -75,8 +75,8 @@ public class DataMigrationExample {
       path = args[0];
     }
 
-    readerPool = new SessionPool("127.0.0.1", 6667, "root", "IoTDB@2011", 
CONCURRENCY);
-    writerPool = new SessionPool("127.0.0.1", 6668, "root", "IoTDB@2011", 
CONCURRENCY);
+    readerPool = new SessionPool("127.0.0.1", 6667, "root", "root", 
CONCURRENCY);
+    writerPool = new SessionPool("127.0.0.1", 6668, "root", "root", 
CONCURRENCY);
 
     SessionDataSetWrapper deviceDataSet = 
readerPool.executeQueryStatement("count devices " + path);
     DataIterator deviceIter = deviceDataSet.iterator();
diff --git 
a/example/session/src/main/java/org/apache/iotdb/HybridTimeseriesSessionExample.java
 
b/example/session/src/main/java/org/apache/iotdb/HybridTimeseriesSessionExample.java
index 06fc3dfc9da..34f529d257d 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/HybridTimeseriesSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/HybridTimeseriesSessionExample.java
@@ -50,7 +50,7 @@ public class HybridTimeseriesSessionExample {
 
   public static void main(String[] args)
       throws IoTDBConnectionException, StatementExecutionException {
-    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
+    session = new Session("127.0.0.1", 6667, "root", "root");
     session.open(false);
 
     // set session fetchSize
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SessionConcurrentExample.java 
b/example/session/src/main/java/org/apache/iotdb/SessionConcurrentExample.java
index 13459505c26..40d3ed12e80 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/SessionConcurrentExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/SessionConcurrentExample.java
@@ -53,7 +53,7 @@ public class SessionConcurrentExample {
   public static void main(String[] args)
       throws IoTDBConnectionException, StatementExecutionException, 
IOException {
 
-    try (Session session = new Session("127.0.0.1", 6667, "root", 
"IoTDB@2011")) {
+    try (Session session = new Session("127.0.0.1", 6667, "root", "root")) {
       session.open(false);
       createTemplate(session);
     } catch (Exception e) {
@@ -80,7 +80,7 @@ public class SessionConcurrentExample {
 
   private static void concurrentOperation(CountDownLatch latch, int 
currentIndex) {
 
-    Session session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
+    Session session = new Session("127.0.0.1", 6667, "root", "root");
     try {
       session.open(false);
     } catch (IoTDBConnectionException e) {
diff --git a/example/session/src/main/java/org/apache/iotdb/SessionExample.java 
b/example/session/src/main/java/org/apache/iotdb/SessionExample.java
index 1dd2f90d2c1..9d4c1f700ee 100644
--- a/example/session/src/main/java/org/apache/iotdb/SessionExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/SessionExample.java
@@ -73,7 +73,7 @@ public class SessionExample {
             .host(LOCAL_HOST)
             .port(6667)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .version(Version.V_1_0)
             .build();
     session.open(false);
@@ -112,7 +112,7 @@ public class SessionExample {
     //    deleteTimeseries();
     //    setTimeout();
 
-    sessionEnableRedirect = new Session(LOCAL_HOST, 6667, "root", 
"IoTDB@2011");
+    sessionEnableRedirect = new Session(LOCAL_HOST, 6667, "root", "root");
     sessionEnableRedirect.setEnableQueryRedirection(true);
     sessionEnableRedirect.open(false);
 
@@ -820,7 +820,7 @@ public class SessionExample {
   }
 
   private static void setTimeout() throws IoTDBConnectionException {
-    try (Session tempSession = new Session(LOCAL_HOST, 6667, "root", 
"IoTDB@2011", 10000, 20000)) {
+    try (Session tempSession = new Session(LOCAL_HOST, 6667, "root", "root", 
10000, 20000)) {
       tempSession.setQueryTimeout(60000);
     }
   }
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java 
b/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
index 61052bda7d5..578a82d4b84 100644
--- a/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
@@ -48,7 +48,7 @@ public class SessionPoolExample {
             .host("127.0.0.1")
             .port(6667)
             .user("root")
-            .password("IoTDB@2011")
+            .password("root")
             .maxSize(3)
             .build();
   }
@@ -62,7 +62,7 @@ public class SessionPoolExample {
         new SessionPool.Builder()
             .nodeUrls(nodeUrls)
             .user("root")
-            .password("IoTDB@2011")
+            .password("root")
             .maxSize(3)
             .build();
   }
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SubscriptionSessionExample.java
 
b/example/session/src/main/java/org/apache/iotdb/SubscriptionSessionExample.java
index d9a367e5016..6f4d503bce0 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/SubscriptionSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/SubscriptionSessionExample.java
@@ -74,7 +74,7 @@ public class SubscriptionSessionExample {
             .host(HOST)
             .port(PORT)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .version(Version.V_1_0)
             .build();
     session.open(false);
@@ -103,7 +103,7 @@ public class SubscriptionSessionExample {
             .host(HOST)
             .port(PORT)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .version(Version.V_1_0)
             .build();
     session.open(false);
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
 
b/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
index fff3d97e4d0..ada3646fcce 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
@@ -84,7 +84,7 @@ public class SyntaxConventionRelatedExample {
             .host(LOCAL_HOST)
             .port(6667)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .version(Version.V_1_0)
             .build();
     session.open(false);
diff --git 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
index 5d6a97e7ed0..f7e9275ce15 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
@@ -45,7 +45,7 @@ public class TableModelSessionExample {
         new TableSessionBuilder()
             .nodeUrls(Collections.singletonList(LOCAL_URL))
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .build()) {
 
       session.executeNonQueryStatement("CREATE DATABASE test1");
@@ -140,7 +140,7 @@ public class TableModelSessionExample {
         new TableSessionBuilder()
             .nodeUrls(Collections.singletonList(LOCAL_URL))
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .database("test1")
             .build()) {
 
diff --git 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
index 2272f6c4ab2..a8d3c8b382b 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
@@ -46,7 +46,7 @@ public class TableModelSessionPoolExample {
         new TableSessionPoolBuilder()
             .nodeUrls(Collections.singletonList(LOCAL_URL))
             .user("root")
-            .password("IoTDB@2011")
+            .password("root")
             .maxSize(1)
             .build();
 
@@ -159,7 +159,7 @@ public class TableModelSessionPoolExample {
         new TableSessionPoolBuilder()
             .nodeUrls(Collections.singletonList(LOCAL_URL))
             .user("root")
-            .password("IoTDB@2011")
+            .password("root")
             .maxSize(1)
             .database("test1")
             .build();
diff --git 
a/example/session/src/main/java/org/apache/iotdb/TableModelSubscriptionSessionExample.java
 
b/example/session/src/main/java/org/apache/iotdb/TableModelSubscriptionSessionExample.java
index 12db882335c..363ff971662 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/TableModelSubscriptionSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/TableModelSubscriptionSessionExample.java
@@ -103,7 +103,7 @@ public class TableModelSubscriptionSessionExample {
             .host("127.0.0.1")
             .port(6667)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .build()) {
       final Properties config = new Properties();
       config.put(TopicConstant.DATABASE_KEY, "db.*");
@@ -151,7 +151,7 @@ public class TableModelSubscriptionSessionExample {
               .host("127.0.0.1")
               .port(6667)
               .username("root")
-              .password("IoTDB@2011")
+              .password("root")
               .build()) {
         session.getTopics().forEach((System.out::println));
         session.getSubscriptions().forEach((System.out::println));
@@ -166,7 +166,7 @@ public class TableModelSubscriptionSessionExample {
         new TableSessionBuilder()
             .nodeUrls(Collections.singletonList(HOST + ":" + PORT))
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .build()) {
       createDataBaseAndTable(session, "db1", "test1");
       createDataBaseAndTable(session, "db1", "test2");
diff --git a/example/session/src/main/java/org/apache/iotdb/TabletExample.java 
b/example/session/src/main/java/org/apache/iotdb/TabletExample.java
index 8f7c6c2ca2d..f85dba2215b 100644
--- a/example/session/src/main/java/org/apache/iotdb/TabletExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/TabletExample.java
@@ -130,7 +130,7 @@ public class TabletExample {
    */
   public static void main(String[] args) throws Exception {
 
-    try (Session session = new Session("127.0.0.1", 6667, "root", 
"IoTDB@2011")) {
+    try (Session session = new Session("127.0.0.1", 6667, "root", "root")) {
       session.open();
       String dataFileName = "sample.csv";
       int rowSize = 10000;
diff --git 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/env/AbstractEnv.java
 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/env/AbstractEnv.java
index 4361e213c8e..5cb7f2cd587 100644
--- 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/env/AbstractEnv.java
+++ 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/env/AbstractEnv.java
@@ -962,7 +962,7 @@ public abstract class AbstractEnv implements BaseEnv {
                               + dataNodeEndpoint
                               + getParam(null, NODE_NETWORK_TIMEOUT_MS, 
ZERO_TIME_ZONE),
                           System.getProperty("User", "root"),
-                          System.getProperty("Password", "IoTDB@2011"))) {
+                          System.getProperty("Password", "root"))) {
                 logger.info("Successfully connecting to DataNode: {}.", 
dataNodeEndpoint);
                 return null;
               } catch (final Exception e) {
diff --git 
a/integration-test/src/main/java/org/apache/iotdb/it/env/remote/env/RemoteServerEnv.java
 
b/integration-test/src/main/java/org/apache/iotdb/it/env/remote/env/RemoteServerEnv.java
index 6ba4892fd3a..35a45f95acc 100644
--- 
a/integration-test/src/main/java/org/apache/iotdb/it/env/remote/env/RemoteServerEnv.java
+++ 
b/integration-test/src/main/java/org/apache/iotdb/it/env/remote/env/RemoteServerEnv.java
@@ -68,7 +68,7 @@ public class RemoteServerEnv implements BaseEnv {
 
   private final String dataNodeMetricPort = 
System.getProperty("RemoteDataNodeMetricPort", "9093");
   private final String user = System.getProperty("RemoteUser", "root");
-  private final String password = System.getProperty("RemotePassword", 
"IoTDB@2011");
+  private final String password = System.getProperty("RemotePassword", "root");
   private IClientManager<TEndPoint, SyncConfigNodeIServiceClient> 
clientManager;
   private RemoteClusterConfig clusterConfig = new RemoteClusterConfig();
 
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/cli/it/StartClientScriptIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/cli/it/StartClientScriptIT.java
index 0bf7c56ca5c..bd1a7d88207 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/cli/it/StartClientScriptIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/cli/it/StartClientScriptIT.java
@@ -91,7 +91,7 @@ public class StartClientScriptIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "&",
             "exit",
             "%^errorlevel%");
@@ -134,7 +134,7 @@ public class StartClientScriptIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011");
+            "root");
     builder.environment().put("IOTDB_HOME", homePath);
     testOutput(builder, output, 1);
 
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
index 963f0d1f036..ee0ee073c96 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
@@ -84,7 +84,7 @@ public class GrafanaApiServiceIT {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
@@ -95,7 +95,7 @@ public class GrafanaApiServiceIT {
     HttpGet httpGet = new HttpGet("http://127.0.0.1:"; + port + 
"/grafana/v1/login");
     CloseableHttpResponse response = null;
     try {
-      String authorization = getAuthorization("root", "IoTDB@2011");
+      String authorization = getAuthorization("root", "root");
       httpGet.setHeader("Authorization", authorization);
       for (int i = 0; i < 30; i++) {
         try {
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
index 49997268e0c..99d4b1560f0 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
@@ -133,7 +133,7 @@ public class IoTDBRestServiceIT {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
index 017ccdad7e8..231d9ce7215 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
@@ -883,7 +883,7 @@ public class IoTDBAuthIT {
 
   @Test
   public void testExecuteBatchWithPrivilege() throws SQLException {
-    try (Connection adminCon = EnvFactory.getEnv().getConnection("root", 
"IoTDB@2011");
+    try (Connection adminCon = EnvFactory.getEnv().getConnection("root", 
"root");
         Statement adminStmt = adminCon.createStatement()) {
       adminStmt.execute("CREATE USER tempuser 'temppw123456'");
       try (Connection userCon = EnvFactory.getEnv().getConnection("tempuser", 
"temppw123456");
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeClusterIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeClusterIT.java
index 7b11f882544..01dc50a5ce0 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeClusterIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeClusterIT.java
@@ -208,7 +208,7 @@ public class IoTDBPipeClusterIT extends 
AbstractPipeTableModelDualManualIT {
       connectorAttributes.put("connector.ip", receiverIp);
       connectorAttributes.put("connector.port", 
Integer.toString(receiverPort));
       connectorAttributes.put("connector.user", "root");
-      connectorAttributes.put("connector.password", "IoTDB@2011");
+      connectorAttributes.put("connector.password", "root");
 
       final TSStatus status =
           client.createPipe(
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeSinkCompressionIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeSinkCompressionIT.java
index b5ff0363cde..0ac03d5c6ac 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeSinkCompressionIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/tablemodel/manual/enhanced/IoTDBPipeSinkCompressionIT.java
@@ -167,7 +167,7 @@ public class IoTDBPipeSinkCompressionIT extends 
AbstractPipeTableModelDualManual
       connectorAttributes.put("connector.ip", receiverIp);
       connectorAttributes.put("connector.port", 
Integer.toString(receiverPort));
       connectorAttributes.put("connector.user", "root");
-      connectorAttributes.put("connector.password", "IoTDB@2011");
+      connectorAttributes.put("connector.password", "root");
       connectorAttributes.put("connector.compressor", compressionTypes);
 
       final TSStatus status =
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeClusterIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeClusterIT.java
index 516f9dbec8f..c7c8bf73c44 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeClusterIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeClusterIT.java
@@ -249,7 +249,7 @@ public class IoTDBPipeClusterIT extends 
AbstractPipeDualTreeModelAutoIT {
       connectorAttributes.put("connector.ip", receiverIp);
       connectorAttributes.put("connector.port", 
Integer.toString(receiverPort));
       connectorAttributes.put("connector.user", "root");
-      connectorAttributes.put("connector.password", "IoTDB@2011");
+      connectorAttributes.put("connector.password", "root");
 
       final TSStatus status =
           client.createPipe(
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeSinkCompressionIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeSinkCompressionIT.java
index 43bcf108ffc..81991cd16f7 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeSinkCompressionIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/pipe/it/dual/treemodel/auto/enhanced/IoTDBPipeSinkCompressionIT.java
@@ -154,7 +154,7 @@ public class IoTDBPipeSinkCompressionIT extends 
AbstractPipeDualTreeModelAutoIT
       connectorAttributes.put("connector.ip", receiverIp);
       connectorAttributes.put("connector.port", 
Integer.toString(receiverPort));
       connectorAttributes.put("connector.user", "root");
-      connectorAttributes.put("connector.password", "IoTDB@2011");
+      connectorAttributes.put("connector.password", "root");
       connectorAttributes.put("connector.compressor", compressionTypes);
 
       final TSStatus status =
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/relational/it/mqtt/IoTDBMQTTServiceIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/relational/it/mqtt/IoTDBMQTTServiceIT.java
index 5ffb0fa1c27..118554d8aad 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/relational/it/mqtt/IoTDBMQTTServiceIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/relational/it/mqtt/IoTDBMQTTServiceIT.java
@@ -48,7 +48,7 @@ public class IoTDBMQTTServiceIT {
   private BlockingConnection connection;
   private static final String IP = System.getProperty("RemoteIp", "127.0.0.1");
   private static final String USER = System.getProperty("RemoteUser", "root");
-  private static final String PASSWORD = System.getProperty("RemotePassword", 
"IoTDB@2011");
+  private static final String PASSWORD = System.getProperty("RemotePassword", 
"root");
   private static final String DATABASE = "mqtttest";
   public static final String FORMATTER = "line";
 
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/relational/it/rest/it/RestUtils.java
 
b/integration-test/src/test/java/org/apache/iotdb/relational/it/rest/it/RestUtils.java
index 8bce21e7551..cf70f9900f4 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/relational/it/rest/it/RestUtils.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/relational/it/rest/it/RestUtils.java
@@ -66,7 +66,7 @@ public class RestUtils {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/AbstractSubscriptionTreeRegressionIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/AbstractSubscriptionTreeRegressionIT.java
index 5a21f95393e..15e317fb3a0 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/AbstractSubscriptionTreeRegressionIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/AbstractSubscriptionTreeRegressionIT.java
@@ -115,7 +115,7 @@ public abstract class AbstractSubscriptionTreeRegressionIT 
extends AbstractSubsc
             .host(SRC_HOST)
             .port(SRC_PORT)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .zoneId(ZoneId.of("Asia/Shanghai"))
             .build();
     session_dest =
@@ -123,7 +123,7 @@ public abstract class AbstractSubscriptionTreeRegressionIT 
extends AbstractSubsc
             .host(DEST_HOST)
             .port(DEST_PORT)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .zoneId(ZoneId.of("Asia/Shanghai"))
             .build();
     session_dest2 =
@@ -131,7 +131,7 @@ public abstract class AbstractSubscriptionTreeRegressionIT 
extends AbstractSubsc
             .host(DEST_HOST2)
             .port(DEST_PORT2)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .zoneId(ZoneId.of("Asia/Shanghai"))
             .build();
     session_src.open(false);
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportDataTestIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportDataTestIT.java
index 21ed6bad2e6..cbbaf163ab9 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportDataTestIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportDataTestIT.java
@@ -89,7 +89,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-ft",
             "csv",
             "-t",
@@ -117,7 +117,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-ft",
             "csv",
             "-t",
@@ -145,7 +145,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-t",
             "target",
             "-ft",
@@ -174,7 +174,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-ft",
             "csv",
             "-t",
@@ -199,7 +199,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-t",
             "target",
             "-ft",
@@ -224,7 +224,7 @@ public class ExportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-t",
             "target",
             "-ft",
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportSchemaTestIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportSchemaTestIT.java
index 52c2ec712db..39325a47e41 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportSchemaTestIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportSchemaTestIT.java
@@ -101,7 +101,7 @@ public class ExportSchemaTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-t",
             "target",
             "-path",
@@ -128,7 +128,7 @@ public class ExportSchemaTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-t",
             "target",
             "-path",
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportTsFileTestIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportTsFileTestIT.java
index 9b7d3e310fd..da8ffdc6823 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportTsFileTestIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ExportTsFileTestIT.java
@@ -97,7 +97,7 @@ public class ExportTsFileTestIT extends AbstractScriptIT {
     //            "-u",
     //            "root",
     //            "-pw",
-    //            "IoTDB@2011",
+    //            "root",
     //            "-path",
     //            "root.test.t2.**",
     //            "&",
@@ -121,7 +121,7 @@ public class ExportTsFileTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-path",
             "root.test.t2.**",
             "&",
@@ -147,7 +147,7 @@ public class ExportTsFileTestIT extends AbstractScriptIT {
     //            "-u",
     //            "root",
     //            "-pw",
-    //            "IoTDB@2011",
+    //            "root",
     //            "-path",
     //            "root.**");
     //    builder.environment().put("CLASSPATH", libPath);
@@ -168,7 +168,7 @@ public class ExportTsFileTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-path",
             "root.**");
     builder1.environment().put("CLASSPATH", libPath);
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportDataTestIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportDataTestIT.java
index 6f14670f9fe..9d232dee02f 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportDataTestIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportDataTestIT.java
@@ -88,7 +88,7 @@ public class ImportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-ft",
             "csv",
             "-s",
@@ -116,7 +116,7 @@ public class ImportDataTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-ft",
             "csv",
             "-s",
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportSchemaTestIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportSchemaTestIT.java
index faacd4c686b..f9a3908f726 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportSchemaTestIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/tools/it/ImportSchemaTestIT.java
@@ -97,7 +97,7 @@ public class ImportSchemaTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-db",
             "test",
             "-s",
@@ -125,7 +125,7 @@ public class ImportSchemaTestIT extends AbstractScriptIT {
             "-u",
             "root",
             "-pw",
-            "IoTDB@2011",
+            "root",
             "-db",
             "test",
             "-s",
diff --git a/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
index 50f80b4931c..938df8f5de3 100644
--- a/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
+++ b/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
@@ -45,7 +45,7 @@ import java.util.Properties;
 
 import static org.apache.iotdb.jdbc.Config.IOTDB_ERROR_PREFIX;
 
-/** args[]: -h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011 */
+/** args[]: -h 127.0.0.1 -p 6667 -u root -pw root */
 public class Cli extends AbstractCli {
   private static CommandLine commandLine;
   // TODO: Make non-static
diff --git 
a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/common/Constants.java 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/common/Constants.java
index 556f29722af..049291ac248 100644
--- a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/common/Constants.java
+++ b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/common/Constants.java
@@ -49,7 +49,7 @@ public class Constants {
   public static final String PW_ARGS = "pw";
   public static final String PW_NAME = "password";
   public static final String PW_DESC = "Password (optional)";
-  public static final String PW_DEFAULT_VALUE = "IoTDB@2011";
+  public static final String PW_DEFAULT_VALUE = "root";
 
   public static final String USERNAME_ARGS = "u";
   public static final String USERNAME_NAME = "username";
diff --git 
a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/AbstractTsFileTool.java
 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/AbstractTsFileTool.java
index 5af9a664d58..64b9f806d58 100644
--- 
a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/AbstractTsFileTool.java
+++ 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/AbstractTsFileTool.java
@@ -57,7 +57,7 @@ public abstract class AbstractTsFileTool {
   protected static String host = "127.0.0.1";
   protected static String port = "6667";
   protected static String username = "root";
-  protected static String password = "IoTDB@2011";
+  protected static String password = "root";
 
   protected AbstractTsFileTool() {}
 
diff --git 
a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/subscription/CommonParam.java
 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/subscription/CommonParam.java
index 3cfae8f7ca5..34b26a6db02 100644
--- 
a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/subscription/CommonParam.java
+++ 
b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/subscription/CommonParam.java
@@ -42,7 +42,7 @@ public class CommonParam {
   private static String srcHost = "127.0.0.1";
   private static int srcPort = 6667;
   private static String srcUserName = "root";
-  private static String srcPassword = "IoTDB@2011";
+  private static String srcPassword = "root";
   private static String sqlDialect = "tree";
   private static String startTime = "";
   private static String endTime = "";
diff --git 
a/iotdb-client/cli/src/test/java/org/apache/iotdb/cli/AbstractCliTest.java 
b/iotdb-client/cli/src/test/java/org/apache/iotdb/cli/AbstractCliTest.java
index 2346f7139ce..635676ce2af 100644
--- a/iotdb-client/cli/src/test/java/org/apache/iotdb/cli/AbstractCliTest.java
+++ b/iotdb-client/cli/src/test/java/org/apache/iotdb/cli/AbstractCliTest.java
@@ -118,14 +118,12 @@ public class AbstractCliTest {
   @Test
   public void testRemovePasswordArgs() {
     AbstractCli.init();
-    String[] input =
-        new String[] {"-h", "127.0.0.1", "-p", "6667", "-u", "root", "-pw", 
"IoTDB@2011"};
-    String[] res =
-        new String[] {"-h", "127.0.0.1", "-p", "6667", "-u", "root", "-pw", 
"IoTDB@2011"};
+    String[] input = new String[] {"-h", "127.0.0.1", "-p", "6667", "-u", 
"root", "-pw", "root"};
+    String[] res = new String[] {"-h", "127.0.0.1", "-p", "6667", "-u", 
"root", "-pw", "root"};
     isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));
 
-    input = new String[] {"-h", "127.0.0.1", "-p", "6667", "-pw", 
"IoTDB@2011", "-u", "root"};
-    res = new String[] {"-h", "127.0.0.1", "-p", "6667", "-pw", "IoTDB@2011", 
"-u", "root"};
+    input = new String[] {"-h", "127.0.0.1", "-p", "6667", "-pw", "root", 
"-u", "root"};
+    res = new String[] {"-h", "127.0.0.1", "-p", "6667", "-pw", "root", "-u", 
"root"};
     isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));
 
     input = new String[] {"-h", "127.0.0.1", "-p", "6667", "root", "-u", 
"root", "-pw"};
diff --git a/iotdb-client/client-cpp/README.md 
b/iotdb-client/client-cpp/README.md
index f40dd257119..db372bbae11 100644
--- a/iotdb-client/client-cpp/README.md
+++ b/iotdb-client/client-cpp/README.md
@@ -138,7 +138,7 @@ mentioned above, the header file and the dynamic library:
 
     int main() {
         std::cout << "open session" << std::endl;
-        std::shared_ptr<Session> session(new Session("127.0.0.1", 6667, 
"root", "IoTDB@2011"));
+        std::shared_ptr<Session> session(new Session("127.0.0.1", 6667, 
"root", "root"));
         session->open(false);
 
         std::cout << "setStorageGroup: root.test01" << std::endl;
diff --git a/iotdb-client/client-cpp/src/main/AbstractSessionBuilder.h 
b/iotdb-client/client-cpp/src/main/AbstractSessionBuilder.h
index 5332806af4e..441e3a41f4f 100644
--- a/iotdb-client/client-cpp/src/main/AbstractSessionBuilder.h
+++ b/iotdb-client/client-cpp/src/main/AbstractSessionBuilder.h
@@ -27,7 +27,7 @@ public:
     std::string host = "localhost";
     int rpcPort = 6667;
     std::string username = "root";
-    std::string password = "IoTDB@2011";
+    std::string password = "root";
     std::string zoneId = "";
     int fetchSize = 10000;
     std::string sqlDialect = "tree";
diff --git a/iotdb-client/client-cpp/src/main/Session.h 
b/iotdb-client/client-cpp/src/main/Session.h
index bbb31238ef2..cd418ff5454 100644
--- a/iotdb-client/client-cpp/src/main/Session.h
+++ b/iotdb-client/client-cpp/src/main/Session.h
@@ -657,7 +657,7 @@ private:
     }
 
 public:
-    Session(const std::string& host, int rpcPort) : username_("root"), 
password_("IoTDB@2011"), version(Version::V_1_0) {
+    Session(const std::string& host, int rpcPort) : username_("root"), 
password_("root"), version(Version::V_1_0) {
         this->host_ = host;
         this->rpcPort_ = rpcPort;
         initZoneId();
diff --git a/iotdb-client/client-cpp/src/test/main.cpp 
b/iotdb-client/client-cpp/src/test/main.cpp
index 9f2fde6fcd0..82b3e60ddb5 100644
--- a/iotdb-client/client-cpp/src/test/main.cpp
+++ b/iotdb-client/client-cpp/src/test/main.cpp
@@ -22,7 +22,7 @@
 #include <catch.hpp>
 #include "Session.h"
 
-std::shared_ptr<Session> session = std::make_shared<Session>("127.0.0.1", 
6667, "root", "IoTDB@2011");
+std::shared_ptr<Session> session = std::make_shared<Session>("127.0.0.1", 
6667, "root", "root");
 
 struct SessionListener : Catch::TestEventListenerBase {
 
diff --git a/iotdb-client/client-cpp/src/test/main_Relational.cpp 
b/iotdb-client/client-cpp/src/test/main_Relational.cpp
index 619dc761b9d..ab028f0306a 100644
--- a/iotdb-client/client-cpp/src/test/main_Relational.cpp
+++ b/iotdb-client/client-cpp/src/test/main_Relational.cpp
@@ -29,7 +29,7 @@ std::shared_ptr<TableSession> session =
         ->host("127.0.0.1")
         ->rpcPort(6667)
         ->username("root")
-        ->password("IoTDB@2011")
+        ->password("root")
         ->build()
     );
 
diff --git a/iotdb-client/client-py/README.md b/iotdb-client/client-py/README.md
index 71e71becc6b..2cdf23b5e12 100644
--- a/iotdb-client/client-py/README.md
+++ b/iotdb-client/client-py/README.md
@@ -61,7 +61,7 @@ from iotdb.Session import Session
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
 zone = session.get_time_zone()
@@ -324,7 +324,7 @@ from iotdb.Session import Session
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
 result = session.execute_query_statement("SELECT * FROM root.*")
@@ -349,7 +349,7 @@ class MyTestCase(unittest.TestCase):
 
     def test_something(self):
         with IoTDBContainer() as c:
-            session = Session("localhost", c.get_exposed_port(6667), "root", 
"IoTDB@2011")
+            session = Session("localhost", c.get_exposed_port(6667), "root", 
"root")
             session.open(False)
             result = session.execute_query_statement("SHOW TIMESERIES")
             print(result)
@@ -374,7 +374,7 @@ from iotdb.dbapi import connect
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 conn = connect(ip, port_, username_, 
password_,fetch_size=1024,zone_id="Asia/Shanghai",sqlalchemy_mode=False)
 cursor = conn.cursor()
 ```
@@ -553,7 +553,7 @@ from iotdb.Session import Session
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
 zone = session.get_time_zone()
diff --git a/iotdb-client/client-py/iotdb/Session.py 
b/iotdb-client/client-py/iotdb/Session.py
index 6bd8d65e533..3f44bd41584 100644
--- a/iotdb-client/client-py/iotdb/Session.py
+++ b/iotdb-client/client-py/iotdb/Session.py
@@ -70,7 +70,7 @@ warnings.simplefilter("always", DeprecationWarning)
 class Session(object):
     DEFAULT_FETCH_SIZE = 5000
     DEFAULT_USER = "root"
-    DEFAULT_PASSWORD = "IoTDB@2011"
+    DEFAULT_PASSWORD = "root"
     DEFAULT_ZONE_ID = get_localzone_name()
     RETRY_NUM = 3
     SQL_DIALECT = "tree"
diff --git a/iotdb-client/client-py/iotdb/table_session.py 
b/iotdb-client/client-py/iotdb/table_session.py
index 72006aec101..fdf20e7cfa5 100644
--- a/iotdb-client/client-py/iotdb/table_session.py
+++ b/iotdb-client/client-py/iotdb/table_session.py
@@ -48,7 +48,7 @@ class TableSessionConfig(object):
             username (str, optional): The username for the database connection.
                                       Defaults to "root".
             password (str, optional): The password for the database connection.
-                                      Defaults to "IoTDB@2011".
+                                      Defaults to "root".
             database (str, optional): The target database to connect to. 
Defaults to None.
             fetch_size (int, optional): The number of rows to fetch per query. 
Defaults to 5000.
             time_zone (str, optional): The default time zone for the session.
diff --git a/iotdb-client/client-py/session_aligned_timeseries_example.py 
b/iotdb-client/client-py/session_aligned_timeseries_example.py
index e1f4b2fd7de..450d69f2818 100644
--- a/iotdb-client/client-py/session_aligned_timeseries_example.py
+++ b/iotdb-client/client-py/session_aligned_timeseries_example.py
@@ -26,7 +26,7 @@ from iotdb.utils.Tablet import Tablet
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 session = Session(
     ip, port_, username_, password_, fetch_size=1024, zone_id="Asia/Shanghai"
 )
diff --git a/iotdb-client/client-py/session_example.py 
b/iotdb-client/client-py/session_example.py
index f71db6d754b..d0a6a3aba8e 100644
--- a/iotdb-client/client-py/session_example.py
+++ b/iotdb-client/client-py/session_example.py
@@ -29,12 +29,12 @@ from iotdb.utils.NumpyTablet import NumpyTablet
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 # session = Session(ip, port_, username_, password_, fetch_size=1024, 
zone_id="Asia/Shanghai", enable_redirection=True)
 session = Session.init_from_node_urls(
     node_urls=["127.0.0.1:6667", "127.0.0.1:6668", "127.0.0.1:6669"],
     user="root",
-    password="IoTDB@2011",
+    password="root",
     fetch_size=1024,
     zone_id="Asia/Shanghai",
     enable_redirection=True,
diff --git a/iotdb-client/client-py/session_pool_example.py 
b/iotdb-client/client-py/session_pool_example.py
index d0951887a86..64a754087fa 100644
--- a/iotdb-client/client-py/session_pool_example.py
+++ b/iotdb-client/client-py/session_pool_example.py
@@ -114,7 +114,7 @@ def delete_data():
 ip = "127.0.0.1"
 port = "6667"
 username = "root"
-password = "IoTDB@2011"
+password = "root"
 pool_config = PoolConfig(
     node_urls=["127.0.0.1:6667", "127.0.0.1:6668", "127.0.0.1:6669"],
     user_name=username,
diff --git a/iotdb-client/client-py/session_ssl_example.py 
b/iotdb-client/client-py/session_ssl_example.py
index a1d26ced174..2d5a557afc4 100644
--- a/iotdb-client/client-py/session_ssl_example.py
+++ b/iotdb-client/client-py/session_ssl_example.py
@@ -23,7 +23,7 @@ from iotdb.table_session import TableSession, 
TableSessionConfig
 ip = "127.0.0.1"
 port_ = "6667"
 username_ = "root"
-password_ = "IoTDB@2011"
+password_ = "root"
 # Configure SSL enabled
 use_ssl = True
 # Configure certificate path
diff --git a/iotdb-client/client-py/table_model_session_example.py 
b/iotdb-client/client-py/table_model_session_example.py
index 5385f05a19b..c9aa62b97a0 100644
--- a/iotdb-client/client-py/table_model_session_example.py
+++ b/iotdb-client/client-py/table_model_session_example.py
@@ -27,7 +27,7 @@ from iotdb.utils.Tablet import ColumnType, Tablet
 config = TableSessionConfig(
     node_urls=["localhost:6667"],
     username="root",
-    password="IoTDB@2011",
+    password="root",
     time_zone="Asia/Shanghai",
 )
 session = TableSession(config)
@@ -67,7 +67,7 @@ session.close()
 config = TableSessionConfig(
     node_urls=["localhost:6667"],
     username="root",
-    password="IoTDB@2011",
+    password="root",
     database="test1",
     time_zone="Asia/Shanghai",
 )
@@ -95,7 +95,7 @@ session.close()
 config = TableSessionConfig(
     node_urls=["localhost:6667"],
     username="root",
-    password="IoTDB@2011",
+    password="root",
 )
 session = TableSession(config)
 session.execute_non_query_statement("CREATE DATABASE IF NOT EXISTS db1")
diff --git a/iotdb-client/client-py/table_model_session_pool_example.py 
b/iotdb-client/client-py/table_model_session_pool_example.py
index b99bb08ddf5..bd190a8b473 100644
--- a/iotdb-client/client-py/table_model_session_pool_example.py
+++ b/iotdb-client/client-py/table_model_session_pool_example.py
@@ -125,7 +125,7 @@ def delete_data():
 
 # Create a session pool
 username = "root"
-password = "IoTDB@2011"
+password = "root"
 node_urls = ["127.0.0.1:6667", "127.0.0.1:6668", "127.0.0.1:6669"]
 fetch_size = 1024
 database = "db1"
diff --git a/iotdb-client/client-py/tests/integration/iotdb_container.py 
b/iotdb-client/client-py/tests/integration/iotdb_container.py
index df6dc5da74c..1f2061a9626 100644
--- a/iotdb-client/client-py/tests/integration/iotdb_container.py
+++ b/iotdb-client/client-py/tests/integration/iotdb_container.py
@@ -31,7 +31,7 @@ logger = setup_logger(__name__)
 
 class IoTDBContainer(DockerContainer):
     IOTDB_USER = environ.get("IOTDB_USER", "root")
-    IOTDB_PASSWORD = environ.get("IOTDB_PASSWORD", "IoTDB@2011")
+    IOTDB_PASSWORD = environ.get("IOTDB_PASSWORD", "root")
 
     def _configure(self):
         pass
@@ -42,7 +42,7 @@ class IoTDBContainer(DockerContainer):
             self.get_container_host_ip(),
             self.get_exposed_port(6667),
             "root",
-            "IoTDB@2011",
+            "root",
         )
         session.open(False)
         with session.execute_statement("SHOW CLUSTER") as session_data_set:
diff --git 
a/iotdb-client/client-py/tests/integration/sqlalchemy/test_dialect.py 
b/iotdb-client/client-py/tests/integration/sqlalchemy/test_dialect.py
index 87d311f0235..c0ff1ddced6 100644
--- a/iotdb-client/client-py/tests/integration/sqlalchemy/test_dialect.py
+++ b/iotdb-client/client-py/tests/integration/sqlalchemy/test_dialect.py
@@ -47,7 +47,7 @@ def test_dialect():
 
     with IoTDBContainer("iotdb:dev") as db:
         db: IoTDBContainer
-        password = urlquote("IoTDB@2011")
+        password = urlquote("root")
         host = db.get_container_host_ip()
         port = db.get_exposed_port(6667)
         url = f"iotdb://root:{password}@{host}:{port}"
diff --git 
a/iotdb-client/client-py/tests/integration/tablet_performance_comparison.py 
b/iotdb-client/client-py/tests/integration/tablet_performance_comparison.py
index 01d6a49d0c3..c22124ec009 100644
--- a/iotdb-client/client-py/tests/integration/tablet_performance_comparison.py
+++ b/iotdb-client/client-py/tests/integration/tablet_performance_comparison.py
@@ -112,7 +112,7 @@ def create_open_session():
     ip = "127.0.0.1"
     port_ = "6667"
     username_ = "root"
-    password_ = "IoTDB@2011"
+    password_ = "root"
     session = Session(
         ip, port_, username_, password_, fetch_size=1024, 
zone_id="Asia/Shanghai"
     )
diff --git a/iotdb-client/client-py/tests/integration/test_new_data_types.py 
b/iotdb-client/client-py/tests/integration/test_new_data_types.py
index 755819c5bb9..e59138fa035 100644
--- a/iotdb-client/client-py/tests/integration/test_new_data_types.py
+++ b/iotdb-client/client-py/tests/integration/test_new_data_types.py
@@ -46,7 +46,7 @@ def session_test(use_session_pool=False):
                 db.get_container_host_ip(),
                 db.get_exposed_port(6667),
                 "root",
-                "IoTDB@2011",
+                "root",
                 None,
                 1024,
                 max_retry=3,
diff --git a/iotdb-client/client-py/tests/integration/test_session.py 
b/iotdb-client/client-py/tests/integration/test_session.py
index 63bef1f50f2..75cdf056113 100644
--- a/iotdb-client/client-py/tests/integration/test_session.py
+++ b/iotdb-client/client-py/tests/integration/test_session.py
@@ -63,7 +63,7 @@ def session_test(use_session_pool=False):
                 db.get_container_host_ip(),
                 db.get_exposed_port(6667),
                 "root",
-                "IoTDB@2011",
+                "root",
                 None,
                 1024,
                 "Asia/Shanghai",
diff --git a/iotdb-client/client-py/tests/integration/test_session_pool.py 
b/iotdb-client/client-py/tests/integration/test_session_pool.py
index 2234d826760..f85ffa80eb4 100644
--- a/iotdb-client/client-py/tests/integration/test_session_pool.py
+++ b/iotdb-client/client-py/tests/integration/test_session_pool.py
@@ -31,7 +31,7 @@ def test_session_pool():
             db.get_container_host_ip(),
             db.get_exposed_port(6667),
             "root",
-            "IoTDB@2011",
+            "root",
             [],
             1024,
             "Asia/Shanghai",
@@ -85,7 +85,7 @@ def test_session_pool_by_node_urls():
         node_url = db.get_container_host_ip() + ":" + 
str(db.get_exposed_port(6667))
         max_pool_size = 1
         pool_config = PoolConfig(
-            node_urls=[node_url], user_name="root", password="IoTDB@2011"
+            node_urls=[node_url], user_name="root", password="root"
         )
         session_pool = create_session_pool(pool_config, max_pool_size, 3000)
 
diff --git 
a/iotdb-client/isession/src/main/java/org/apache/iotdb/isession/SessionConfig.java
 
b/iotdb-client/isession/src/main/java/org/apache/iotdb/isession/SessionConfig.java
index 94d92e132d7..611014c615c 100644
--- 
a/iotdb-client/isession/src/main/java/org/apache/iotdb/isession/SessionConfig.java
+++ 
b/iotdb-client/isession/src/main/java/org/apache/iotdb/isession/SessionConfig.java
@@ -26,7 +26,7 @@ public class SessionConfig {
   public static final String DEFAULT_HOST = "localhost";
   public static final int DEFAULT_PORT = 6667;
   public static final String DEFAULT_USER = "root";
-  public static final String DEFAULT_PASSWORD = "IoTDB@2011";
+  public static final String DEFAULT_PASSWORD = "root";
   public static final int DEFAULT_FETCH_SIZE = 5000;
   public static final int DEFAULT_CONNECTION_TIMEOUT_MS = 0;
   public static final boolean DEFAULT_REDIRECTION_MODE = true;
diff --git a/iotdb-client/jdbc/README.md b/iotdb-client/jdbc/README.md
index 5e02436e287..02e7e585b80 100644
--- a/iotdb-client/jdbc/README.md
+++ b/iotdb-client/jdbc/README.md
@@ -163,7 +163,7 @@ public class JDBCExample {
 
     // Database credentials
     String username = "root";
-    String password = "IoTDB@2011";
+    String password = "root";
 
     Connection connection = null;
     try {
diff --git 
a/iotdb-client/session/src/main/java/org/apache/iotdb/session/TableSessionBuilder.java
 
b/iotdb-client/session/src/main/java/org/apache/iotdb/session/TableSessionBuilder.java
index 067514ae0c0..a46de6562ea 100644
--- 
a/iotdb-client/session/src/main/java/org/apache/iotdb/session/TableSessionBuilder.java
+++ 
b/iotdb-client/session/src/main/java/org/apache/iotdb/session/TableSessionBuilder.java
@@ -71,7 +71,7 @@ public class TableSessionBuilder extends 
AbstractSessionBuilder {
    *
    * @param password the password.
    * @return the current {@link TableSessionBuilder} instance.
-   * @defaultValue "IoTDB@2011"
+   * @defaultValue "root"
    */
   public TableSessionBuilder password(String password) {
     this.pw = password;
diff --git 
a/iotdb-client/session/src/main/java/org/apache/iotdb/session/pool/TableSessionPoolBuilder.java
 
b/iotdb-client/session/src/main/java/org/apache/iotdb/session/pool/TableSessionPoolBuilder.java
index e0e30f57cd4..4deb9423946 100644
--- 
a/iotdb-client/session/src/main/java/org/apache/iotdb/session/pool/TableSessionPoolBuilder.java
+++ 
b/iotdb-client/session/src/main/java/org/apache/iotdb/session/pool/TableSessionPoolBuilder.java
@@ -77,7 +77,7 @@ public class TableSessionPoolBuilder extends 
AbstractSessionPoolBuilder {
    *
    * @param password the password.
    * @return the current {@link TableSessionPoolBuilder} instance.
-   * @defaultValue "IoTDB@2011"
+   * @defaultValue "root"
    */
   public TableSessionPoolBuilder password(String password) {
     this.pw = password;
diff --git 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionConnectionTest.java
 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionConnectionTest.java
index a57d61088bc..a10d9b1d6f4 100644
--- 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionConnectionTest.java
+++ 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionConnectionTest.java
@@ -91,7 +91,7 @@ public class SessionConnectionTest {
         new Session.Builder()
             .nodeUrls(Collections.singletonList("127.0.0.1:12"))
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .enableAutoFetch(false)
             .build();
     Whitebox.setInternalState(sessionConnection, "session", session);
@@ -163,7 +163,7 @@ public class SessionConnectionTest {
             .host("local")
             .port(12)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .enableAutoFetch(false)
             .build();
     SessionConnection sessionConnection1 =
@@ -184,7 +184,7 @@ public class SessionConnectionTest {
             .host("local")
             .port(12)
             .username("root")
-            .password("IoTDB@2011")
+            .password("root")
             .enableAutoFetch(false)
             .build();
     SessionConnection sessionConnection1 =
diff --git 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionTest.java 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionTest.java
index 7a41bd1e86d..1ea2fcf6f86 100644
--- 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionTest.java
+++ 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/SessionTest.java
@@ -1195,7 +1195,7 @@ public class SessionTest {
   @Test
   public void testEmptyNodeUrls() {
     try {
-      ISession failedSession = new Session(Collections.emptyList(), "root", 
"IoTDB@2011");
+      ISession failedSession = new Session(Collections.emptyList(), "root", 
"root");
       fail();
     } catch (IllegalArgumentException e) {
       assertEquals("nodeUrls shouldn't be empty.", e.getMessage());
diff --git 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/pool/SessionPoolExceptionTest.java
 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/pool/SessionPoolExceptionTest.java
index df9a736af83..4ec78e6306a 100644
--- 
a/iotdb-client/session/src/test/java/org/apache/iotdb/session/pool/SessionPoolExceptionTest.java
+++ 
b/iotdb-client/session/src/test/java/org/apache/iotdb/session/pool/SessionPoolExceptionTest.java
@@ -277,8 +277,7 @@ public class SessionPoolExceptionTest {
   @Test
   public void testEmptyNodeUrls() {
     try {
-      ISessionPool failedSession =
-          new SessionPool(Collections.emptyList(), "root", "IoTDB@2011", 1);
+      ISessionPool failedSession = new SessionPool(Collections.emptyList(), 
"root", "root", 1);
       fail();
     } catch (IllegalArgumentException e) {
       assertEquals("nodeUrls shouldn't be empty.", e.getMessage());
diff --git 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizerTest.java
 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizerTest.java
index 214297985d8..300a7c0646d 100644
--- 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizerTest.java
+++ 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizerTest.java
@@ -64,7 +64,7 @@ public class LocalFileAuthorizerTest {
 
   @Test
   public void testLogin() throws AuthException {
-    Assert.assertTrue(authorizer.login("root", "IoTDB@2011"));
+    Assert.assertTrue(authorizer.login("root", "root"));
     Assert.assertFalse(authorizer.login("root", "error"));
   }
 
diff --git 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/GrafanaApiServiceTest.java
 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/GrafanaApiServiceTest.java
index 74845e4ee2e..55d74742453 100644
--- 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/GrafanaApiServiceTest.java
+++ 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/GrafanaApiServiceTest.java
@@ -69,7 +69,7 @@ public class GrafanaApiServiceTest {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/IoTDBRestServiceTest.java
 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/IoTDBRestServiceTest.java
index e88350c198c..4c15d3635ac 100644
--- 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/IoTDBRestServiceTest.java
+++ 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/protocol/rest/IoTDBRestServiceTest.java
@@ -117,7 +117,7 @@ public class IoTDBRestServiceTest {
     HttpPost httpPost = new HttpPost(url);
     httpPost.addHeader("Content-type", "application/json; charset=utf-8");
     httpPost.setHeader("Accept", "application/json");
-    String authorization = getAuthorization("root", "IoTDB@2011");
+    String authorization = getAuthorization("root", "root");
     httpPost.setHeader("Authorization", authorization);
     return httpPost;
   }
diff --git 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/security/encrypt/MessageDigestEncryptTest.java
 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/security/encrypt/MessageDigestEncryptTest.java
index d01ac9ac937..55677da9cd5 100644
--- 
a/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/security/encrypt/MessageDigestEncryptTest.java
+++ 
b/iotdb-core/datanode/src/test/java/org/apache/iotdb/db/security/encrypt/MessageDigestEncryptTest.java
@@ -95,7 +95,7 @@ public class MessageDigestEncryptTest {
 
   @Test
   public void testMessageDigestValidatePassword() {
-    String password = "IoTDB@2011";
+    String password = "root";
     assertTrue(
         messageDigestEncrypt.validate(
             password,
diff --git 
a/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/config/MetricConfig.java
 
b/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/config/MetricConfig.java
index 65204486f81..090ef3eae2c 100644
--- 
a/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/config/MetricConfig.java
+++ 
b/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/config/MetricConfig.java
@@ -260,7 +260,7 @@ public class MetricConfig {
     private String username = "root";
 
     /** The password of iotdb. */
-    private String password = "IoTDB@2011";
+    private String password = "root";
 
     /** The max number of connection. */
     private Integer maxConnectionNumber = 3;
diff --git 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/CommonConfig.java
 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/CommonConfig.java
index 40ebe22a292..8666d2aefcd 100644
--- 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/CommonConfig.java
+++ 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/CommonConfig.java
@@ -67,7 +67,7 @@ public class CommonConfig {
 
   private String adminName = "root";
 
-  private String adminPassword = "IoTDB@2011";
+  private String adminPassword = "root";
 
   private String oldUserFolder =
       IoTDBConstant.DN_DEFAULT_DATA_DIR
diff --git 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/pipe/config/constant/PipeSinkConstant.java
 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/pipe/config/constant/PipeSinkConstant.java
index d04c30e2cad..e09dd0ab5dd 100644
--- 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/pipe/config/constant/PipeSinkConstant.java
+++ 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/pipe/config/constant/PipeSinkConstant.java
@@ -86,7 +86,7 @@ public class PipeSinkConstant {
 
   public static final String CONNECTOR_IOTDB_PASSWORD_KEY = 
"connector.password";
   public static final String SINK_IOTDB_PASSWORD_KEY = "sink.password";
-  public static final String CONNECTOR_IOTDB_PASSWORD_DEFAULT_VALUE = 
"IoTDB@2011";
+  public static final String CONNECTOR_IOTDB_PASSWORD_DEFAULT_VALUE = "root";
 
   public static final String 
CONNECTOR_EXCEPTION_DATA_CONVERT_ON_TYPE_MISMATCH_KEY =
       "connector.exception.data.convert-on-type-mismatch";
diff --git a/scripts/sbin/start-cli.sh b/scripts/sbin/start-cli.sh
index a0d0acc209b..b864669134f 100755
--- a/scripts/sbin/start-cli.sh
+++ b/scripts/sbin/start-cli.sh
@@ -51,7 +51,7 @@ PARAMETERS=""
 
 # if [ $# -eq 0 ]
 # then
-#      PARAMETERS="-h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011"
+#      PARAMETERS="-h 127.0.0.1 -p 6667 -u root -pw root"
 # fi
 
 # if DEFAULT_SQL_DIALECT is empty, set it to "tree"
@@ -61,7 +61,7 @@ fi
 
 # Added parameters when default parameters are missing
 user_param="-u root"
-passwd_param="-pw IoTDB@2011"
+passwd_param="-pw root"
 host_param="-h 127.0.0.1"
 port_param="-p 6667"
 sql_dialect_param="-sql_dialect $DEFAULT_SQL_DIALECT"
diff --git a/scripts/sbin/windows/start-cli-table.bat 
b/scripts/sbin/windows/start-cli-table.bat
index f3db0e033c7..67b3c318cc9 100644
--- a/scripts/sbin/windows/start-cli-table.bat
+++ b/scripts/sbin/windows/start-cli-table.bat
@@ -79,13 +79,13 @@ REM 
----------------------------------------------------------------------------
 :okClasspath
 set PARAMETERS=%*
 
-@REM if "%PARAMETERS%" == "" set PARAMETERS=-h 127.0.0.1 -p 6667 -u root -pw 
IoTDB@2011
+@REM if "%PARAMETERS%" == "" set PARAMETERS=-h 127.0.0.1 -p 6667 -u root -pw 
root
 
 @REM if DEFAULT_SQL_DIALECT is empty, set it to "tree"
 if "%DEFAULT_SQL_DIALECT%" == "" set DEFAULT_SQL_DIALECT=tree
 
 @REM set default parameters
-set pw_parameter=-pw IoTDB@2011
+set pw_parameter=-pw root
 set u_parameter=-u root
 set p_parameter=-p 6667
 set h_parameter=-h 127.0.0.1
diff --git a/scripts/sbin/windows/start-cli.bat 
b/scripts/sbin/windows/start-cli.bat
index 4a747b9453f..f79bfb8b962 100644
--- a/scripts/sbin/windows/start-cli.bat
+++ b/scripts/sbin/windows/start-cli.bat
@@ -79,13 +79,13 @@ REM 
----------------------------------------------------------------------------
 :okClasspath
 set PARAMETERS=%*
 
-@REM if "%PARAMETERS%" == "" set PARAMETERS=-h 127.0.0.1 -p 6667 -u root -pw 
IoTDB@2011
+@REM if "%PARAMETERS%" == "" set PARAMETERS=-h 127.0.0.1 -p 6667 -u root -pw 
root
 
 @REM if DEFAULT_SQL_DIALECT is empty, set it to "tree"
 if "%DEFAULT_SQL_DIALECT%" == "" set DEFAULT_SQL_DIALECT=tree
 
 @REM set default parameters
-set pw_parameter=-pw IoTDB@2011
+set pw_parameter=-pw root
 set u_parameter=-u root
 set p_parameter=-p 6667
 set h_parameter=-h 127.0.0.1
diff --git a/scripts/tools/ops/collect-info.sh 
b/scripts/tools/ops/collect-info.sh
index 379ccdd23bd..23be9038542 100644
--- a/scripts/tools/ops/collect-info.sh
+++ b/scripts/tools/ops/collect-info.sh
@@ -33,7 +33,7 @@ COLLECTION_DIR="iotdb-info"
 HELP="Usage: $0 [-h <ip>] [-p <port>] [-u <username>] [-pw <password>] [-jp 
<jdk_path>] [-dd <data_dir>]"
 
 user_param="root"
-passwd_param="IoTDB@2011"
+passwd_param="root"
 host_param="127.0.0.1"
 port_param="6667"
 jdk_path_param=""
diff --git a/scripts/tools/windows/ops/collect-info.bat 
b/scripts/tools/windows/ops/collect-info.bat
index 6b78c52da84..f64e291ee79 100644
--- a/scripts/tools/windows/ops/collect-info.bat
+++ b/scripts/tools/windows/ops/collect-info.bat
@@ -42,7 +42,7 @@ set "START_CLI_PATH=%IOTDB_HOME%\sbin\windows\start-cli.bat"
 
 set "HELP=Usage: %0 [-h <ip>] [-p <port>] [-u <username>] [-pw <password>] 
[-dd <data_dir>]"
 set "user_param=root"
-set "passwd_param=IoTDB@2011"
+set "passwd_param=root"
 set "host_param=127.0.0.1"
 set "port_param=6667"
 


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