diff --git a/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/backup-and-restore.md b/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/backup-and-restore.md
index 2f86d5b64aa..43cdc0942ac 100644
--- a/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/backup-and-restore.md
+++ b/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/backup-and-restore.md
@@ -9,7 +9,7 @@ To prevent data loss due to operational errors or system failures, NebulaGraph o
 
   !!! note
 
-        To back up data to a local device, see [What is Backup & Restore](../../../backup-and-restore/nebula-br/1.what-is-br.md).
+        To back up data to a local device, see [What is Backup & Restore](../../../backup-and-restore/nebula-br-ent/1.br-ent-overview.md).
 
 - Backup and restoration of space-level data are not supported.
 - Backup data can only be restored to the original cluster, and cannot be restored across clusters.
diff --git a/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/version-upgrade.md b/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/version-upgrade.md
index 0339abc6e91..651face1746 100644
--- a/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/version-upgrade.md
+++ b/docs-2.0/nebula-dashboard-ent/4.cluster-operator/operator/version-upgrade.md
@@ -10,7 +10,7 @@ NebulaGraph Dashboard Enterprise Edition supports upgrading the version of the e
 
 !!! note
 
-    - Only supports upgrading the NebulaGraph cluster that version greater than **3.0.0** to the version equal to or lower than **3.2.1**. To upgrade to **3.3.0**, see [manual upgrade](../../../4.deployment-and-installation/3.upgrade-nebula-graph/upgrade-nebula-from-300-to-latest.md). 
+    - Only supports upgrading the NebulaGraph cluster that version greater than **3.0.0** to the version equal to or lower than **3.2.1**. To upgrade to **3.3.0**, see [manual upgrade](../../../4.deployment-and-installation/3.upgrade-nebula-graph/upgrade-nebula-graph-to-latest.md). 
     - Do not support upgrading clusters across the major version.
     - The community edition can be upgraded to the enterprise edition by uploading and verifying licenses, and the enterprise edition can be upgraded to the community edition.
     - The cluster can be upgraded to a minor version in the current major version, including a smaller version than the current minor version.