diff --git a/CONTRIBUTION.md b/CONTRIBUTION.md
new file mode 100644
index 0000000..27c47ab
--- /dev/null
+++ b/CONTRIBUTION.md
@@ -0,0 +1,113 @@
+## Setup environment
+
+```shell
+curl https://linuxsuren.github.io/tools/install.sh|bash
+
+hd i k3d
+k3d cluster create
+```
+
+### Argo workflows
+```shell
+
+kubectl create ns argo
+docker run -it --rm -v $HOME/.kube/:/root/.kube --network host ghcr.io/linuxsuren/argo-workflows-guide:master
+kubectl patch svc -n argo argo-server -p '{"spec":{"type":"NodePort"}}'
+
+port=$(kubectl get svc -n argo argo-server -ojsonpath={.spec.ports[0].nodePort})
+k3d node edit --port-add ${port}:${port} k3d-k3s-default-serverlb
+
+kubectl patch deployment \
+  argo-server \
+  --namespace argo \
+  --type='json' \
+  -p='[{"op": "replace", "path": "/spec/template/spec/containers/0/args", "value": [
+  "server",
+  "--auth-mode=server"
+]}]'
+```
+
+### Argo CD
+```shell
+kubectl create ns argocd
+docker run -it --rm -v /root/.kube/:/root/.kube --network host ghcr.io/linuxsuren/argo-cd-guide:master
+
+kubectl patch svc -n argocd argocd-server -p '{"spec":{"type":"NodePort"}}'
+
+port=$(kubectl get svc -n argocd argocd-server -ojsonpath={.spec.ports[0].nodePort})
+k3d node edit --port-add ${port}:${port} k3d-k3s-default-serverlb
+
+kubectl -n argocd get secret argocd-initial-admin-secret -ojsonpath={.data.password} | base64 -d
+```
+
+## Install
+
+```shell
+kubectl patch deployment \
+  argocd-repo-server \
+  --namespace argocd \
+  --type='json' \
+  -p='[{"op": "add", "path": "/spec/template/spec/containers/0", "value": {
+    "args": ["--loglevel", "debug"],
+    "command": ["/var/run/argocd/argocd-cmp-server"],
+    "image": "ghcr.io/linuxsuren/github-action-workflow:master",
+    "name": "tool",
+    "securityContext": {
+        "runAsNonRoot": true,
+        "runAsUser": 999
+    },
+    "volumeMounts": [{
+        "mountPath": "/var/run/argocd",
+        "name": "var-files"
+    }, {
+        "mountPath": "/home/argocd/cmp-server/plugins",
+        "name": "plugins"
+    }]
+}}]'
+```
+
+## Samples
+A kustomization sample:
+```shell
+cat <<EOF | kubectl apply -n argocd -f -
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: learn-pipeline-go
+spec:
+  destination:
+    namespace: default
+    server: https://kubernetes.default.svc
+  project: default
+  source:
+    repoURL: https://gitee.com/devops-ws/learn-pipeline-go
+    path: kustomize
+    targetRevision: HEAD
+  syncPolicy:
+    automated:
+      selfHeal: true
+EOF
+```
+
+A plugin sample:
+```shell
+cat <<EOF | kubectl apply -f -
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: yaml-readme
+  namespace: argocd
+spec:
+  destination:
+    namespace: default
+    server: https://kubernetes.default.svc
+  project: default
+  source:
+    path: .github/workflows/
+    repoURL: https://gitee.com/linuxsuren/yaml-readme
+    targetRevision: HEAD
+  syncPolicy:
+    automated:
+      selfHeal: true
+EOF
+```
diff --git a/README.md b/README.md
index 8e5a04c..575ec06 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,9 @@ spec:
 
 then, create an Application on the Argo CD UI or CLI:
 
-```yaml
+```shell
+cat <<EOF | kubectl apply -f -
+apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
   name: yaml-readme
@@ -76,6 +78,7 @@ spec:
   syncPolicy:
     automated:
       selfHeal: true
+EOF
 ```
 
 ## Compatible
diff --git a/plugin.yaml b/plugin.yaml
index ac18f83..40d5f55 100644
--- a/plugin.yaml
+++ b/plugin.yaml
@@ -7,5 +7,5 @@ spec:
   generate:
     command: [gaw, convert, '*.yaml']
   discover:
-    fileName: "*.yaml"
+    fileName: ".gaw"
   lockRepo: true