diff --git a/mkdocs.yml b/mkdocs.yml
index 3b48d4a22..58210f2f4 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -87,12 +87,6 @@ nav:
     - Migrate from non-docker deployment: docker/non_docker_to_docker.md
     - Upgrade Seafile Docker: docker/upgrade/upgrade_docker.md
   - Advanced Setup Options:
-    - Online Office:
-      - LibreOffice Online Integration: deploy/libreoffice_online.md
-      - OnlyOffice Integration: deploy/only_office.md
-      - Office Online Server Integration (Pro): deploy_pro/office_web_app.md
-    - SeaDoc Integration: extra_setup/setup_seadoc.md
-    - Notification Server: deploy/notification-server.md
     - LDAP/AD Integration: 
       - LDAP Integration: deploy/using_ldap.md
       - LDAP Configuration for Seafile Pro: deploy_pro/using_ldap_pro.md
@@ -107,6 +101,12 @@ nav:
       - ADFS or SAML 2.0 (Pro): deploy_pro/adfs.md
       - SAML 2.0 in version 10.0 (Pro): deploy_pro/saml2_in_10.0.md
       - CAS Authentication (Pro): deploy_pro/cas.md
+    - Online Office:
+      - LibreOffice Online Integration: deploy/libreoffice_online.md
+      - OnlyOffice Integration: deploy/only_office.md
+      - Office Online Server Integration (Pro): deploy_pro/office_web_app.md
+    - SeaDoc Integration: extra_setup/setup_seadoc.md
+    - Notification Server: deploy/notification-server.md
     - WebDAV and FUSE extensions:
       - WebDAV extension: extension/webdav.md
       - FUSE extension: extension/fuse.md
@@ -128,6 +128,7 @@ nav:
       - Deploy Seahub at Non-root domain: deploy/deploy_seahub_at_non-root_domain.md
       - Start Seafile at System Bootup: deploy/start_seafile_at_system_bootup.md
       - Logrotate: deploy/using_logrotate.md
+      - Config fail2ban: security/fail2ban.md
       - Real-time Backup Server: deploy_pro/real_time_backup.md
   - Configuration and Customization:
     - Outline: config/README.md
@@ -141,12 +142,14 @@ nav:
     - Outline: maintain/README.md
     - Account management: maintain/account.md
     - Two-factor Authentication: maintain/two_factor_authentication.md
+    - Security features: security/security_features.md
+    - Access logs and auditing: security/auditing.md
+    - Export report: maintain/export_report.md
     - Logs: maintain/logs.md
     - Backup and Recovery: maintain/backup_recovery.md
     - Seafile FSCK: maintain/seafile_fsck.md
     - Seafile GC: maintain/seafile_gc.md
     - Clean database: maintain/clean_database.md
-    - Export report: maintain/export_report.md
     - Import Directory To Seafile (Pro): deploy_pro/seaf_import.md
   - Upgrade Seafile Server:
     - Outline: upgrade/upgrade.md
@@ -156,10 +159,6 @@ nav:
     - Upgrade notes for 9.0.x: upgrade/upgrade_notes_for_9.0.x.md
     - Upgrade notes for 10.0.x: upgrade/upgrade_notes_for_10.0.x.md
     - Upgrade notes for 11.0.x: upgrade/upgrade_notes_for_11.0.x.md
-  - Security and Auditing:
-    - Security features: security/security_features.md
-    - Access logs and auditing: security/auditing.md
-    - Config fail2ban: security/fail2ban.md
   - Developing:
     - Outline: develop/README.md
     - How to Build Seafile: