diff --git a/en/device-dev/subsystems/subsys-security-devicesecuritylevel.md b/en/device-dev/subsystems/subsys-security-devicesecuritylevel.md
index 28d25ab429d0d5bcabd48cc8026bd7889e66c8de..ec75e3441cbe943789c44534cb34810177771e20 100644
--- a/en/device-dev/subsystems/subsys-security-devicesecuritylevel.md
+++ b/en/device-dev/subsystems/subsys-security-devicesecuritylevel.md
@@ -42,7 +42,7 @@ The security level of each device in a Super Device provides the decision-making
 
 ### Constraints
 
-The default security level of OpenHarmony devices is SL1. Device manufacturers can customize a higher security level based on service requirements. For details, see [Customizing Device Security Levels](#Customizing_Device_Security_Levels).
+The default security level of OpenHarmony devices is SL1. Device manufacturers can customize a higher security level based on service requirements. For details, see [Customizing Device Security Levels](#customizingdevicesecuritylevels).
 
 ## Development Guidelines