diff --git a/en/device-dev/website.md b/en/device-dev/website.md
index c62ee271e7f995ab8f1c5da92d508539a49911c0..f89b34cd8662587b84cefb3711db9b0ab7ddcf0b 100644
--- a/en/device-dev/website.md
+++ b/en/device-dev/website.md
@@ -433,6 +433,7 @@
     - [Development Guidelines on Application Signature Verification](subsystems/subsys-security-sigverify.md)
     - [Development Guidelines on Application Permission Management](subsystems/subsys-security-rightmanagement.md)
     - [Development Guidelines on IPC Authentication](subsystems/subsys-security-communicationverify.md)
+    - [Development on Device Security Level Management](subsystems/subsys-security-devicesecuritylevel.md)
   - Startup
     - [Startup](subsystems/subsys-boot-overview.md)
     - [init Module](subsystems/subsys-boot-init.md)