diff --git a/manual/changelog/changelog-for-seafile-professional-server.md b/manual/changelog/changelog-for-seafile-professional-server.md
index 4133b11a..37547b7d 100644
--- a/manual/changelog/changelog-for-seafile-professional-server.md
+++ b/manual/changelog/changelog-for-seafile-professional-server.md
@@ -81,6 +81,11 @@ fs_id_list_request_timeout = 300
 
 Please check our document for how to upgrade to 7.1: [upgrade notes for 7.1.x](../upgrade/upgrade_notes_for_7.1.x.md)
 
+### 7.1.21 (2021/07/13)
+
+* Make file download link generated for OnlyOffice can be used by multiple times
+* Improve OnlyOffice integration logs
+
 ### 7.1.20 (2021/07/02)
 
 * [fix] Fix a cache bug for OnlyOffice integration.
diff --git a/manual/deploy/deploy_with_docker.md b/manual/deploy/deploy_with_docker.md
index 2383a8db..5db619a3 100644
--- a/manual/deploy/deploy_with_docker.md
+++ b/manual/deploy/deploy_with_docker.md
@@ -8,11 +8,11 @@ If you are not familiar with docker commands, please refer to [docker documentat
 
 **Note**: If you want to deploy the Seafile Pro Edition with docker, refor to the [Deploying Seafile-pro with Docker](../deploy_pro/deploy_with_docker.md)
 
-## For seafile 7.x.x
+## For seafile 7.x.x or newer
 
 Starting with 7.0, we have adjusted seafile-docker image to use multiple containers. The old image runs MariaDB-Server and Memcached in the same container with Seafile server. Now, we strip the MariaDB-Server and Memcached services from the Seafile image and run them in their respective containers.
 
-If you plan to deploy seafile 7.0, you should refer to the [Deploy Documentation](<../docker/deploy seafile with docker.md>).
+If you plan to deploy seafile 7.0 or newer version, you should refer to the [Deploy Documentation](<../docker/deploy seafile with docker.md>).
 
 If you plan to upgrade 6.3 to 7.0, you can refer to the [Upgrade Documentation](<../docker/6.3 upgrade to 7.0.md>).
 
diff --git a/manual/docker/deploy seafile with docker.md b/manual/docker/deploy seafile with docker.md
index b3e46af1..05b591b3 100644
--- a/manual/docker/deploy seafile with docker.md	
+++ b/manual/docker/deploy seafile with docker.md	
@@ -6,7 +6,7 @@
 
 ### Install docker-compose
 
-Seafile v7.x.x image uses docker-compose. You should first install the docker-compose command.
+Seafile v7.x.x (or newer versions) image uses docker-compose. You should first install the docker-compose command.
 
 ```bash
 # for CentOS