diff --git a/develop/dev-guide-gui-datagrip.md b/develop/dev-guide-gui-datagrip.md
index 3ed6652fbfd2d..edfdfc702e9b8 100644
--- a/develop/dev-guide-gui-datagrip.md
+++ b/develop/dev-guide-gui-datagrip.md
@@ -174,4 +174,14 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-gui-dbeaver.md b/develop/dev-guide-gui-dbeaver.md
index 026e2fc0fb5c9..9b22c2bede5c6 100644
--- a/develop/dev-guide-gui-dbeaver.md
+++ b/develop/dev-guide-gui-dbeaver.md
@@ -163,4 +163,14 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-gui-vscode-sqltools.md b/develop/dev-guide-gui-vscode-sqltools.md
index bc2100505c1f3..b977e373b3236 100644
--- a/develop/dev-guide-gui-vscode-sqltools.md
+++ b/develop/dev-guide-gui-vscode-sqltools.md
@@ -191,4 +191,14 @@ Connect to your TiDB cluster depending on the TiDB deployment option you have se
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-aws-lambda.md b/develop/dev-guide-sample-application-aws-lambda.md
index be63b57564aa0..a4c1795a15cf3 100644
--- a/develop/dev-guide-sample-application-aws-lambda.md
+++ b/develop/dev-guide-sample-application-aws-lambda.md
@@ -211,20 +211,20 @@ You can deploy the AWS Lambda Function using either the [SAM CLI](#sam-cli-deplo
# Setting default arguments for 'sam deploy'
# =========================================
# Stack Name [sam-app]: tidb-aws-lambda-quickstart
- # AWS Region [us-east-1]:
+ # AWS Region [us-east-1]:
# #Shows you resources changes to be deployed and require a 'Y' to initiate deploy
- # Confirm changes before deploy [y/N]:
+ # Confirm changes before deploy [y/N]:
# #SAM needs permission to be able to create roles to connect to the resources in your template
- # Allow SAM CLI IAM role creation [Y/n]:
+ # Allow SAM CLI IAM role creation [Y/n]:
# #Preserves the state of previously provisioned resources when an operation fails
- # Disable rollback [y/N]:
+ # Disable rollback [y/N]:
# tidbHelloWorldFunction may not have authorization defined, Is this okay? [y/N]: y
# tidbHelloWorldFunction may not have authorization defined, Is this okay? [y/N]: y
# tidbHelloWorldFunction may not have authorization defined, Is this okay? [y/N]: y
# tidbHelloWorldFunction may not have authorization defined, Is this okay? [y/N]: y
- # Save arguments to configuration file [Y/n]:
- # SAM configuration file [samconfig.toml]:
- # SAM configuration environment [default]:
+ # Save arguments to configuration file [Y/n]:
+ # SAM configuration file [samconfig.toml]:
+ # SAM configuration environment [default]:
# Looking for resources needed for deployment:
# Creating the required resources...
@@ -352,7 +352,7 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
- Using [connection pools](https://github.com/sidorares/node-mysql2#using-connection-pools) to manage database connections can reduce the performance overhead caused by frequently establishing and destroying connections.
- To avoid SQL injection, it is recommended to use [prepared statements](https://github.com/sidorares/node-mysql2#using-prepared-statements).
-- In scenarios where there are not many complex SQL statements involved, using ORM frameworks like [Sequelize](https://sequelize.org/), [TypeORM](https://typeorm.io/), or [Prisma](https://www.prisma.io/) can greatly improve development efficiency.
+- In scenarios where there are not many complex SQL statements involved, using ORM frameworks like [Sequelize](https://sequelize.org/), [TypeORM](https://typeorm.io/), or [Prisma](https://www.prisma.io/) can greatly improve development efficiency.
- For building a RESTful API for your application, it is recommended to [use AWS Lambda with API Gateway](https://docs.aws.amazon.com/lambda/latest/dg/services-apigateway.html).
- For designing high-performance applications using TiDB Serverless and AWS Lambda, refer to [this blog](https://aws.amazon.com/blogs/apn/designing-high-performance-applications-using-serverless-tidb-cloud-and-aws-lambda/).
@@ -366,4 +366,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-golang-gorm.md b/develop/dev-guide-sample-application-golang-gorm.md
index fc9f6790853dc..cd4bf5b3c89a4 100644
--- a/develop/dev-guide-sample-application-golang-gorm.md
+++ b/develop/dev-guide-sample-application-golang-gorm.md
@@ -79,7 +79,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -241,4 +241,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-golang-sql-driver.md b/develop/dev-guide-sample-application-golang-sql-driver.md
index f88df0c5e40eb..fd240792f4d87 100644
--- a/develop/dev-guide-sample-application-golang-sql-driver.md
+++ b/develop/dev-guide-sample-application-golang-sql-driver.md
@@ -80,7 +80,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -292,4 +292,14 @@ Unless you need to write complex SQL statements, it is recommended to use [ORM](
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-java-hibernate.md b/develop/dev-guide-sample-application-java-hibernate.md
index 427dd79f68641..2583b686b0587 100644
--- a/develop/dev-guide-sample-application-java-hibernate.md
+++ b/develop/dev-guide-sample-application-java-hibernate.md
@@ -264,4 +264,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-java-jdbc.md b/develop/dev-guide-sample-application-java-jdbc.md
index 5e27a770a12fb..526824204b409 100644
--- a/develop/dev-guide-sample-application-java-jdbc.md
+++ b/develop/dev-guide-sample-application-java-jdbc.md
@@ -298,4 +298,14 @@ Unless you need to write complex SQL statements, it is recommended to use [ORM](
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-java-mybatis.md b/develop/dev-guide-sample-application-java-mybatis.md
index 42f06f386681e..059300036b0da 100644
--- a/develop/dev-guide-sample-application-java-mybatis.md
+++ b/develop/dev-guide-sample-application-java-mybatis.md
@@ -314,4 +314,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-java-spring-boot.md b/develop/dev-guide-sample-application-java-spring-boot.md
index 9e224a708fb10..8e20113cb4032 100644
--- a/develop/dev-guide-sample-application-java-spring-boot.md
+++ b/develop/dev-guide-sample-application-java-spring-boot.md
@@ -269,4 +269,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nextjs.md b/develop/dev-guide-sample-application-nextjs.md
index fa73096b00145..fbb40d67e6070 100644
--- a/develop/dev-guide-sample-application-nextjs.md
+++ b/develop/dev-guide-sample-application-nextjs.md
@@ -23,7 +23,7 @@ To complete this tutorial, you need:
- [Node.js **18**](https://nodejs.org/en/download/) or later.
- [Git](https://git-scm.com/downloads).
-- A TiDB cluster.
+- A TiDB cluster.
@@ -282,4 +282,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nodejs-mysql2.md b/develop/dev-guide-sample-application-nodejs-mysql2.md
index c2e2c9cd9f656..3c36db22fddd2 100644
--- a/develop/dev-guide-sample-application-nodejs-mysql2.md
+++ b/develop/dev-guide-sample-application-nodejs-mysql2.md
@@ -308,4 +308,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
\ No newline at end of file
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nodejs-mysqljs.md b/develop/dev-guide-sample-application-nodejs-mysqljs.md
index e2c1a38bc35cb..52329e2577019 100644
--- a/develop/dev-guide-sample-application-nodejs-mysqljs.md
+++ b/develop/dev-guide-sample-application-nodejs-mysqljs.md
@@ -331,4 +331,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nodejs-prisma.md b/develop/dev-guide-sample-application-nodejs-prisma.md
index ac1484546223c..5fe2b9004c6ec 100644
--- a/develop/dev-guide-sample-application-nodejs-prisma.md
+++ b/develop/dev-guide-sample-application-nodejs-prisma.md
@@ -369,4 +369,14 @@ To check [referential integrity](https://en.wikipedia.org/wiki/Referential_integ
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nodejs-sequelize.md b/develop/dev-guide-sample-application-nodejs-sequelize.md
index c4c905fe75185..cef1ba8d3f5f0 100644
--- a/develop/dev-guide-sample-application-nodejs-sequelize.md
+++ b/develop/dev-guide-sample-application-nodejs-sequelize.md
@@ -102,7 +102,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
```
6. Edit the `.env` file, set up the environment variables as follows, replace the corresponding placeholders `{}` with connection parameters on the connection dialog:
-
+
```dotenv
TIDB_HOST='{host}'
TIDB_PORT='4000'
@@ -322,4 +322,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-nodejs-typeorm.md b/develop/dev-guide-sample-application-nodejs-typeorm.md
index 5f3190e9ca552..7cda0b40f4ca7 100644
--- a/develop/dev-guide-sample-application-nodejs-typeorm.md
+++ b/develop/dev-guide-sample-application-nodejs-typeorm.md
@@ -368,4 +368,14 @@ For more information, refer to the [TypeORM FAQ](https://typeorm.io/relations-fa
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-django.md b/develop/dev-guide-sample-application-python-django.md
index 1c8e00dbfee8b..a93a2ea73681f 100644
--- a/develop/dev-guide-sample-application-python-django.md
+++ b/develop/dev-guide-sample-application-python-django.md
@@ -98,7 +98,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -329,4 +329,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-mysql-connector.md b/develop/dev-guide-sample-application-python-mysql-connector.md
index a6f27f3839d97..f7225b1be5ce5 100644
--- a/develop/dev-guide-sample-application-python-mysql-connector.md
+++ b/develop/dev-guide-sample-application-python-mysql-connector.md
@@ -88,7 +88,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -280,4 +280,14 @@ Unless you need to write complex SQL statements, it is recommended to use [ORM](
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-mysqlclient.md b/develop/dev-guide-sample-application-python-mysqlclient.md
index df0d202d38455..895bcf1fc3022 100644
--- a/develop/dev-guide-sample-application-python-mysqlclient.md
+++ b/develop/dev-guide-sample-application-python-mysqlclient.md
@@ -89,7 +89,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -281,4 +281,14 @@ Unless you need to write complex SQL statements, it is recommended to use [ORM](
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-peewee.md b/develop/dev-guide-sample-application-python-peewee.md
index a8183a7c17e23..e72c04dcba4ee 100644
--- a/develop/dev-guide-sample-application-python-peewee.md
+++ b/develop/dev-guide-sample-application-python-peewee.md
@@ -91,7 +91,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -304,4 +304,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-pymysql.md b/develop/dev-guide-sample-application-python-pymysql.md
index 64fefd08cdeae..14fe43ccadf58 100644
--- a/develop/dev-guide-sample-application-python-pymysql.md
+++ b/develop/dev-guide-sample-application-python-pymysql.md
@@ -87,7 +87,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -284,4 +284,14 @@ Unless you need to write complex SQL statements, it is recommended to use [ORM](
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/develop/dev-guide-sample-application-python-sqlalchemy.md b/develop/dev-guide-sample-application-python-sqlalchemy.md
index bb3a48f9bd9aa..6277ce09f4631 100644
--- a/develop/dev-guide-sample-application-python-sqlalchemy.md
+++ b/develop/dev-guide-sample-application-python-sqlalchemy.md
@@ -94,7 +94,7 @@ Connect to your TiDB cluster depending on the TiDB deployment option you've sele
4. Click **Create password** to create a random password.
> **Tip:**
- >
+ >
> If you have created a password before, you can either use the original password or click **Reset password** to generate a new one.
5. Run the following command to copy `.env.example` and rename it to `.env`:
@@ -294,4 +294,14 @@ For more information, refer to [Delete data](/develop/dev-guide-delete-data.md).
## Need help?
-Ask questions on the [Discord](https://discord.gg/vYU9h56kAX), or [create a support ticket](https://support.pingcap.com/).
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](/support.md).
+
+
+
+
+
+Ask questions on the [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc), or [create a support ticket](https://support.pingcap.com/).
+
+
diff --git a/sql-statements/sql-statement-admin-cleanup.md b/sql-statements/sql-statement-admin-cleanup.md
index f10b57705f273..a750ceee4f967 100644
--- a/sql-statements/sql-statement-admin-cleanup.md
+++ b/sql-statements/sql-statement-admin-cleanup.md
@@ -53,6 +53,23 @@ ADMIN CHECK INDEX tbl idx;
Query OK, 0 rows affected (0.01 sec)
```
+
+
+> **Note:**
+>
+> When the data and index are inconsistent due to the loss of replicas:
+>
+> - There might be a loss of both row data and index data. To restore the consistency, use the `ADMIN CLEANUP INDEX` and [`ADMIN RECOVER INDEX`](/sql-statements/sql-statement-admin-recover.md) statements together.
+> - The `ADMIN CLEANUP INDEX` statement is always executed in a single thread. When the table data is large, it is recommended to recover the index data by rebuilding the index.
+> - When you execute the `ADMIN CLEANUP INDEX` statement, the corresponding table or index is not locked and TiDB allows other sessions to modify the table records at the same time. However, in this case, `ADMIN CLEANUP INDEX` might not be able to handle all table records correctly. Therefore, when you execute `ADMIN CLEANUP INDEX`, avoid modifying the table data at the same time.
+> - If you use the enterprise edition of TiDB, you can [submit a request](/support.md) to contact the support engineer for help.
+>
+> The `ADMIN CLEANUP INDEX` statement is not atomic: if the statement is interrupted during execution, it is recommended to execute it again until it succeeds.
+
+
+
+
+
> **Note:**
>
> When the data and index are inconsistent due to the loss of replicas:
@@ -64,6 +81,8 @@ Query OK, 0 rows affected (0.01 sec)
>
> The `ADMIN CLEANUP INDEX` statement is not atomic: if the statement is interrupted during execution, it is recommended to execute it again until it succeeds.
+
+
## MySQL compatibility
This statement is a TiDB extension to MySQL syntax.
diff --git a/sql-statements/sql-statement-admin-recover.md b/sql-statements/sql-statement-admin-recover.md
index 07d8fb6c69fd4..1bcee6c87b933 100644
--- a/sql-statements/sql-statement-admin-recover.md
+++ b/sql-statements/sql-statement-admin-recover.md
@@ -51,6 +51,23 @@ ADMIN CHECK INDEX tbl idx;
Query OK, 0 rows affected (0.01 sec)
```
+
+
+> **Note:**
+>
+> When the data and index are inconsistent due to the loss of replicas:
+>
+> - There might be a loss of both row data and index data. To address the issue, use the [`ADMIN CLEANUP INDEX`](/sql-statements/sql-statement-admin-cleanup.md) and `ADMIN RECOVER INDEX` statements together to recover the consistency of row data and index data.
+> - The `ADMIN RECOVER INDEX` statement is always executed in a single thread. When the table data is large, it is recommended to recover the index data by rebuilding the index.
+> - When you execute the `ADMIN RECOVER INDEX` statement, the corresponding table or index is not locked and TiDB allows other sessions to modify the table records at the same time. However, in this case, `ADMIN RECOVER INDEX` might not be able to handle all table records correctly. Therefore, when you execute `ADMIN RECOVER INDEX`, avoid modifying the table data at the same time.
+> - If you use the enterprise edition of TiDB, you can [submit a request](/support.md) to contact the support engineer for help.
+>
+> The `ADMIN RECOVER INDEX` statement is not atomic: if the statement is interrupted during execution, it is recommended to execute it again until it succeeds.
+
+
+
+
+
> **Note:**
>
> When the data and index are inconsistent due to the loss of replicas:
@@ -62,6 +79,8 @@ Query OK, 0 rows affected (0.01 sec)
>
> The `ADMIN RECOVER INDEX` statement is not atomic: if the statement is interrupted during execution, it is recommended to execute it again until it succeeds.
+
+
## MySQL compatibility
This statement is a TiDB extension to MySQL syntax.