diff --git a/documentation/kubecondemo/script/backend.yaml b/documentation/kubecondemo/script/backend.yaml
deleted file mode 100644
index e9651af72..000000000
--- a/documentation/kubecondemo/script/backend.yaml
+++ /dev/null
@@ -1,73 +0,0 @@
-apiVersion: core.oam.dev/v1alpha2
-kind: WorkloadDefinition
-metadata:
-  name: backend
-  annotations:
-    definition.oam.dev/apiVersion: "standard.oam.dev/v1alpha1"
-    definition.oam.dev/kind: "PodSpecWorkload"
-    definition.oam.dev/description: "Backend worker without ports exposed"
-spec:
-  definitionRef:
-    name: backend
-  childResourceKinds:
-    - apiVersion: apps/v1
-      kind: Deployment
-  extension:
-    template: |
-      output: {
-        apiVersion: "standard.oam.dev/v1alpha1"
-        kind:       "PodSpecWorkload"
-        metadata: name: parameter.name
-        spec: {
-          replicas: 1
-          podSpec: {
-            containers: [{
-              image: parameter.image
-              name:  parameter.name
-              env: [
-                for e in parameter.env {
-                  if (e._useSecret==true)
-                  {
-                    name: e.name
-                    valueFrom: {
-                      secretKeyRef: {
-                        name: e.secretKeyRef.name
-                        key: e.secretKeyRef.key
-                      }
-                    }
-                    _useSecret: true
-                  }
-                  if (e._useSecret==false)
-                  {
-                    name: e.name
-                    value: e.value
-                    _useSecret: false
-                  }
-                }
-              ]
-              ports: [{
-                containerPort: parameter.port
-                protocol:      "TCP"
-                name:          "default"
-                }]
-              }]
-            }
-        }
-      }
-      #backend: {
-        name: string
-        image: string
-        port: int
-
-        env: [...{
-          name:  string
-          value: string | *""
-          _useSecret: *false | bool
-          secretKeyRef: {
-            name: string | *""
-            key: string | *""
-          }
-          ...
-        }]
-      }
-      parameter: #backend
\ No newline at end of file
diff --git a/documentation/kubecondemo/script/webservice.yaml b/documentation/kubecondemo/script/webservice.yaml
deleted file mode 100644
index 4596425ed..000000000
--- a/documentation/kubecondemo/script/webservice.yaml
+++ /dev/null
@@ -1,54 +0,0 @@
-apiVersion: core.oam.dev/v1alpha2
-kind: WorkloadDefinition
-metadata:
-  name: webservice
-  annotations:
-    definition.oam.dev/apiVersion: "standard.oam.dev/v1alpha1"
-    definition.oam.dev/kind: "PodSpecWorkload"
-    definition.oam.dev/description: "Flight tracker web ui"
-spec:
-  definitionRef:
-    name: podspecworkloads.standard.oam.dev
-  childResourceKinds:
-    - apiVersion: apps/v1
-      kind: Deployment
-    - apiVersion: v1
-      kind: Service
-  extension:
-    template: |
-      output: {
-        apiVersion: "standard.oam.dev/v1alpha1"
-        kind:       "PodSpecWorkload"
-        metadata: name: parameter.name
-        spec: {
-          replicas: 1
-          podSpec: {
-            containers: [{
-              image: parameter.image
-              name:  parameter.name
-              env: parameter.env
-              ports: [{
-                containerPort: parameter.port
-                protocol:      "TCP"
-                }]
-            }]
-          }
-        }
-      }
-      #webservice: {
-        name: string
-        image: string
-        port: int
-
-        env: [...{
-          name:  string
-          value?: string
-          valueFrom?: {
-            secretKeyRef: {
-              name: string
-              key: string
-            }
-          }
-        }]
-      }
-      parameter: #webservice
\ No newline at end of file
diff --git a/documentation/kubecondemo/vela.yml b/documentation/kubecondemo/vela.yaml
similarity index 100%
rename from documentation/kubecondemo/vela.yml
rename to documentation/kubecondemo/vela.yaml