diff --git a/redhat/ocp4/4.16/2024.12.rhdh.ado.md b/redhat/ocp4/4.16/2024.12.rhdh.ado.md
index 4ff9b6e1..a3b1cbee 100644
--- a/redhat/ocp4/4.16/2024.12.rhdh.ado.md
+++ b/redhat/ocp4/4.16/2024.12.rhdh.ado.md
@@ -5,7 +5,7 @@ In this document, we will show you how to integrate `rhdh` with `ado` (azure dev
 The architecture is like this:
 
 <!-- ![](./dia/rhdh.ado.drawio.png) -->
-<img src="./dia/rhdh.ado.drawio.png" width="400">
+<img src="./dia/rhdh.ado.drawio.png" width="800">
 
 
 > [!NOTE]
@@ -48,9 +48,9 @@ And set the sso login `demo-backstage` `app registration` permission, based on t
 The `app registration` for azure devops integration is `rhdh-azure-devops`, and we keep it as the default settings.
 
 > [!NOTE]
-> Recode down the `tenant id`, `client id` and `client secret` for both `app registration`, we will use it in the next step.
+> Write down the `tenant id`, `client id` and `client secret` for both `app registration`, we will use it in the next step.
 
-And for demo purpose, we create sever group and users
+And for demo purpose, we create several group and users
 
 - L1Support(group)
   - l1.u01(user)
@@ -88,6 +88,12 @@ And in `organization settings`, you can find the `users` settings, add the `app
 
 ![](imgs/2024.12.rhdh.ado.md/2024-12-16-22-27-47.png)
 
+Install Code Search Feature for Azure devops
+
+![](imgs/2024.12.rhdh.ado.md/2024-12-18-21-06-38.png)
+
+![](../4.12/imgs/2024-05-16-21-58-16.png)
+
 Now, we finished the azure devops setup, and we can move to the next step.
 
 # rhdh setup
@@ -322,5 +328,25 @@ you can also see the `repository` is created in the azure devops.
 
 # source code highlight
 
+Here is the example of the `catalog-info.yaml` file, which is created in the azure devops repository. The source code is here, but it is templatized, you can see the result after the creation here, to help you understand the structure.
+
+```yaml
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: dummy-repo-01
+  title: wzh-demo-component-01
+  description: wzh-demo-component-01
+  annotations:
+    backstage.io/kubernetes-id: dummy-repo-01
+    backstage.io/techdocs-ref: dir:.
+    dev.azure.com/project-repo: demo/dummy-repo-01
+    dev.azure.com/host-org: dev.azure.com/wangzheng422-devops
+spec:
+  type: website
+  system: wzh-demo
+  lifecycle: production
+  owner: user:default/azure.demo.user.01_wzhlab.top
+```
 
 # end
\ No newline at end of file
diff --git a/redhat/ocp4/4.16/2024.12.rhdh.ado.rbac.md b/redhat/ocp4/4.16/2024.12.rhdh.ado.rbac.md
index 2a2bd92c..c9b20800 100644
--- a/redhat/ocp4/4.16/2024.12.rhdh.ado.rbac.md
+++ b/redhat/ocp4/4.16/2024.12.rhdh.ado.rbac.md
@@ -50,7 +50,7 @@ The `app registration` for azure devops integration is `rhdh-azure-devops`, and
 > [!NOTE]
 > Write down the `tenant id`, `client id` and `client secret` for both `app registration`, we will use it in the next step.
 
-And for demo purpose, we create sever group and users
+And for demo purpose, we create several group and users
 
 - L1Support(group)
   - l1.u01(user)
diff --git a/redhat/ocp4/4.16/imgs/2024.12.rhdh.ado.md/2024-12-18-21-06-38.png b/redhat/ocp4/4.16/imgs/2024.12.rhdh.ado.md/2024-12-18-21-06-38.png
new file mode 100644
index 00000000..9abcb3f8
Binary files /dev/null and b/redhat/ocp4/4.16/imgs/2024.12.rhdh.ado.md/2024-12-18-21-06-38.png differ