update

docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/1.install-nebula-graph-by-compiling-the-source-code.md

@@ -12,6 +12,10 @@ Installing NebulaGraph from the source code allows you to customize the compilin
 
 - The host to be installed with NebulaGraph has access to the Internet.
 
+{{ ent.ent_begin }}
+- The [license key](../../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
+{{ ent.ent_end }}
+
 ## Installation steps
 
 1. Use Git to clone the source code of NebulaGraph to the host.

docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/4.install-nebula-graph-from-tar.md

@@ -8,6 +8,11 @@ You can install NebulaGraph by downloading the tar.gz file.
 
     - NebulaGraph is currently only supported for installation on Linux systems, and only CentOS 7.x, CentOS 8.x, Ubuntu 16.04, Ubuntu 18.04, and Ubuntu 20.04 operating systems are supported. 
 
+{{ ent.ent_begin }}
+## Prerequisites
+
+- The [license key](../../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
+{{ ent.ent_end }}
 
 ## Installation steps
 

docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/deploy-nebula-graph-cluster.md

@@ -17,7 +17,7 @@ For now, NebulaGraph does not provide an official deployment tool. Users can dep
 - Prepare 5 machines for deploying the cluster.
 - Use the NTP service to synchronize time in the cluster.
 {{ ent.ent_begin }}
-- The [license management tool](../../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- The [license key](../../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 {{ ent.ent_end }}
 
 ## Manual deployment process

docs-2.0/graph-computing/nebula-analytics.md

@@ -6,7 +6,7 @@ NebulaGraph Analytics is a high-performance graph computing framework tool that
 
 - The NebulaGraph Analytics installation package has been obtained. [Contact us](https://www.nebula-graph.io/contact) to apply.
 
-- The [license management tool](../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- The [license key](../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 
 - The [HDFS](https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/ClusterSetup.html) 2.2.x or later has been deployed.
 

docs-2.0/nebula-dashboard-ent/11.license-manager.md

@@ -6,7 +6,7 @@ Dashboard currently only provides pages to display license info, license usage a
 
 ## Prerequisites
 
-- The [license management tool](../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- The [license key](../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 
 - The `config.yaml` file has been modified. Set the value of `LicenseManagerURL` to the host IP of LM and port number `9119`, e.g. `192.168.8.100:9119`.
 

docs-2.0/nebula-dashboard-ent/2.deploy-connect-dashboard-ent.md

@@ -6,7 +6,7 @@ This topic will introduce how to deploy Dashboard Enterprise Edition in detail.
 
 Before deploying Dashboard Enterprise Edition, you must do a check of these:
 
-- The [license management tool](../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- The [license key](../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 
 - Select and download Dashboard Enterprise Edition of the correct version. For information about the version correspondence between Dashboard Enterprise Edition and NebulaGraph, see [Version compatibility](1.what-is-dashboard-ent.md).
 

docs-2.0/nebula-dashboard-ent/8.faq.md

@@ -41,7 +41,7 @@ The Metad service stores the metadata of the NebulaGraph database. Once the Meta
 
 ## "Why Dashboard Enterprise Edition cannot be started?"
 
-- Make sure that the [license management tool](../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- Make sure that the [license key](../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 
 - Make sure that the license is not expired.
 

docs-2.0/nebula-explorer/deploy-connect/ex-ug-deploy.md

@@ -10,7 +10,7 @@ The Dag Controller installation package is built in Explorer starting from versi
 
 Before deploying Explorer, you must check the following information:
 
-- The [license management tool](../../9.about-license/2.license-management-suite/3.license-manager.md) is installed and the [license code](../../9.about-license/4.generate-and-load-license-key.md) is loaded.
+- The [license key](../../9.about-license/2.license-management-suite/3.license-manager.md) is loaded.
 
 - The NebulaGraph services are deployed and started. For more information, see [NebulaGraph Database Manual](../../2.quick-start/1.quick-start-workflow.md).
 

docs-2.0/reuse/source_install-nebula-graph-by-rpm-or-deb.md

@@ -12,7 +12,7 @@ RPM and DEB are common package formats on Linux systems. This topic shows how to
 ## Prerequisites
 
 - The tool `wget` is installed.
-- The [license management tool](https://docs.nebula-graph.io/{{nebula.release}}/9.about-license/2.license-management-suite/3.license-manager/) is installed and the [license code](https://docs.nebula-graph.io/{{nebula.release}}/9.about-license/4.generate-and-load-license-key/) is loaded.
+- The [license key](https://docs.nebula-graph.io/{{nebula.release}}/9.about-license/2.license-management-suite/3.license-manager/) is loaded.
 
 ## Download the package from cloud service