diff --git a/docs-2.0/8.service-tuning/load-balance.md b/docs-2.0/8.service-tuning/load-balance.md
index 3ede8036bbe..e9dee084219 100644
--- a/docs-2.0/8.service-tuning/load-balance.md
+++ b/docs-2.0/8.service-tuning/load-balance.md
@@ -127,7 +127,7 @@ nebula> SHOW HOSTS;
 
     This command migrates partitions to other storage hosts but does not delete the current storage host from the cluster. To delete the Storage hosts from cluster, see [Manage Storage hosts](../4.deployment-and-installation/manage-storage-host.md).
 
-<!-- balance-3.1
+/* balance-3.1
 !!! danger
 
     The `BALANCE` commands migrates data and balances the distribution of partitions by creating and executing a set of subtasks. **DO NOT** stop any machine in the cluster or change its IP address until all the subtasks finish. Otherwise, the follow-up subtasks fail.
@@ -250,7 +250,8 @@ To remove the following storage servers.
   ```ngql
   nebula> DROP HOSTS 192.168.10.104:9779,192.168.10.105:9779;
   ```
--->
+*/
+
 {{ ent.ent_end }}
 
 ## Balance leader distribution
diff --git a/mkdocs.yml b/mkdocs.yml
index 3495262c949..56a6da29c58 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -245,8 +245,8 @@ extra:
     azureLatestRelease: 3.1.0 # The latest doc version that supports Azure Cloud
     aliyunLatestRelease: 3.1.0 # The latest doc version that supports Alibaba Cloud
   ent:
-    ent_begin: <!-- 
-    ent_end: --> 
+    ent_begin: <!--         # change to "<!-->" when releasing core-ent
+    ent_end: -->             # change to "<!-->" when releasing core-ent
 
 nav:
   - About: README.md