diff --git a/TOC-tidb-cloud.md b/TOC-tidb-cloud.md
index a752dd3aa1247..d25aadcfd4e65 100644
--- a/TOC-tidb-cloud.md
+++ b/TOC-tidb-cloud.md
@@ -228,6 +228,8 @@
       - [Connect via Private Endpoint](/tidb-cloud/set-up-private-endpoint-connections.md)
       - [Connect via VPC Peering](/tidb-cloud/set-up-vpc-peering-connections.md)
       - [TLS Connections to TiDB Dedicated](/tidb-cloud/tidb-cloud-tls-connect-to-dedicated.md)
+  - Data Access Control
+      - [Encryption at Rest Using Customer-Managed Encryption Keys](tidb-cloud/tidb-cloud-encrypt-cmek.md)
   - Database Access Control
     - [Configure Cluster Security Settings](/tidb-cloud/configure-security-settings.md)
   - Audit Management