diff --git a/en/application-dev/Readme-EN.md b/en/application-dev/Readme-EN.md
index 5ab976c91dd05611680315694c8af432f83fba33..46311ffc0d09a3e78beca844d4453a64dd9660ba 100644
--- a/en/application-dev/Readme-EN.md
+++ b/en/application-dev/Readme-EN.md
@@ -20,24 +20,23 @@
 - Development
     - [Ability Development](ability/Readme-EN.md)
     - [UI Development](ui/Readme-EN.md)
-    - Basic Feature Development
-       - [Common Event and Notification](notification/Readme-EN.md)
-       - [Window Manager](windowmanager/Readme-EN.md)
-       - [WebGL](webgl/Readme-EN.md)
-       - [Media](media/Readme-EN.md)
-       - [Security](security/Readme-EN.md)
-       - [Connectivity](connectivity/Readme-EN.md)
-       - [Data Management](database/Readme-EN.md)
-       - [Telephony](telephony/Readme-EN.md)
-       - [Agent-Powered Scheduled Reminders](background-agent-scheduled-reminder/Readme-EN.md)
-       - [Background Task Management](background-task-management/Readme-EN.md)
-       - [Work Scheduler](work-scheduler/Readme-EN.md)
-       - [Device Management](device/Readme-EN.md)
-       - [Device Usage Statistics](device-usage-statistics/Readme-EN.md)
-       - [DFX](dfx/Readme-EN.md)
-       - [Internationalization](internationalization/Readme-EN.md)
-       - [OpenHarmony IDL Specifications and User Guide](IDL/idl-guidelines.md)
-       - [Using Native APIs in Application Projects](napi/Readme-EN.md)
+    - [Common Event and Notification](notification/Readme-EN.md)
+    - [Window Manager](windowmanager/Readme-EN.md)
+    - [WebGL](webgl/Readme-EN.md)
+    - [Media](media/Readme-EN.md)
+    - [Security](security/Readme-EN.md)
+    - [Connectivity](connectivity/Readme-EN.md)
+    - [Data Management](database/Readme-EN.md)
+    - [Telephony](telephony/Readme-EN.md)
+    - [Agent-Powered Scheduled Reminders](background-agent-scheduled-reminder/Readme-EN.md)
+    - [Background Task Management](background-task-management/Readme-EN.md)
+    - [Work Scheduler](work-scheduler/Readme-EN.md)
+    - [Device Management](device/Readme-EN.md)
+    - [Device Usage Statistics](device-usage-statistics/Readme-EN.md)
+    - [DFX](dfx/Readme-EN.md)
+    - [Internationalization](internationalization/Readme-EN.md)
+    - [OpenHarmony IDL Specifications and User Guide](IDL/idl-guidelines.md)
+    - [Using Native APIs in Application Projects](napi/Readme-EN.md)
 - Tools
     - [DevEco Studio (OpenHarmony) User Guide](quick-start/deveco-studio-user-guide-for-openharmony.md)
 - Hands-On Tutorials