update release notes (#2155)

docs-2.0/20.appendix/release-notes/dashboard-ent-release-note.md

@@ -10,13 +10,18 @@
   - The [Cluster diagnostics](../../nebula-dashboard-ent/4.cluster-operator/cluster-information/cluster-diagnosis.md) formula supports configuration.
   - [Config Management](../../nebula-dashboard-ent/4.cluster-operator/operator/config-management.md) support **Add Config**, view the **Effective value** of the current configuration, and **View inconsistent configurations**.
   - In the [Notification endpoint](../../nebula-dashboard-ent/system-settings/notification-endpoint.md), the webhook supports configuring the **Webhook request body**.
+  - Support [custom monitoring panel](../../nebula-dashboard-ent/4.cluster-operator/2.monitor.md).
+
 
 - Enhancement
 
   - Cluster topology consistency: After scale, no user manual refresh and authorization are required.
   - [Cluster Overview](../../nebula-dashboard-ent/4.cluster-operator/1.overview.md) page optimization.
   - [Data Synchronization](../../nebula-dashboard-ent/4.cluster-operator/7.data-synchronization.md) optimization.
   - By default, the configuration of newly added nodes is consistent with that of the first node in the cluster.
+  - Optimize cluster diagnostic report content.
+  - Support changing the port number of `Prometheus` service in the `config.yaml` file.
+
 
 ## Enterprise Edition 3.4.2
 

docs-2.0/20.appendix/release-notes/explorer-release-note.md

@@ -9,10 +9,6 @@
   - [Import data](../../nebula-explorer/db-management/11.import-data.md) supports historical task re-import, and the data source type supports `cloud` and `SFTP`.
   - Support for the new [License](../../9.about-license/1.license-overview.md).
 
-- Enhancement
-
-  - [Import Data](../../nebula-explorer/db-management/11.import-data.md) function optimization.
-
 ## v3.4.0
 
 - Feature