diff --git a/charts/vela-core/templates/addons/istio.yaml b/charts/vela-core/templates/addons/istio.yaml
index bf42e033b..32718fb8b 100644
--- a/charts/vela-core/templates/addons/istio.yaml
+++ b/charts/vela-core/templates/addons/istio.yaml
@@ -120,6 +120,82 @@ data:
                       \   port: int\n}\n\n#uri: {\n   exact?: string\n   prefix?: string\n}
                       \n"
             type: raw
+          - name: canary-rollback
+            properties:
+              apiVersion: core.oam.dev/v1beta1
+              kind: WorkflowStepDefinition
+              metadata:
+                name: canary-rollback
+                namespace: vela-system
+              spec:
+                schematic:
+                  cue:
+                    template: |-
+                      import ("vela/op")
+
+                      parameter: {...}
+
+                      comps: op.#Load
+                      compNames: [ for name, c in comps.value {name}]
+                      firstcomp: compNames[0]
+
+                      rolloutObj: op.#Read & {
+                        value: {
+                          apiVersion: "standard.oam.dev/v1alpha1"
+                          kind:       "Rollout"
+                          metadata: {
+                            name:      firstcomp
+                            namespace: context.namespace
+                          }
+                        }
+                      }
+
+                      _sourceRevision: rolloutObj.value.status.LastSourceRevision
+
+                      apply: op.#ApplyComponent & {
+                        value: comps.value[firstcomp]
+                        patch: {
+                          traits: "rollout": {
+                            spec: {
+                              targetRevisionName: _sourceRevision
+                            }
+                          }
+
+                          traits: "virtualService": {
+                            spec:
+                              // +patchStrategy=retainKeys
+                              http: [
+                                {
+                                  route: [{
+                                    destination: {
+                                      host:   firstcomp
+                                      subset: _sourceRevision
+                                    }
+                                    weight: 100
+                                  }]
+                                },
+                              ]
+                          }
+
+                          traits: "destinationRule": {
+                            // +patchStrategy=retainKeys
+                            spec: {
+                              host: firstcomp
+                              subsets: [
+                                {
+                                  name: _sourceRevision
+                                  labels: {"app.oam.dev/revision": _sourceRevision}
+                                },
+                              ]
+                            }
+                          }
+                        }
+                      }
+
+                      applyRemaining: op.#ApplyRemaining & {
+                          exceptions: [firstcomp]
+                      }
+            type: raw
           - name: canary-traffic
             properties:
               apiVersion: core.oam.dev/v1beta1
diff --git a/docs/examples/canary-rollout-use-case/README.md b/docs/examples/canary-rollout-use-case/README.md
index 18de12474..9a5d16085 100644
--- a/docs/examples/canary-rollout-use-case/README.md
+++ b/docs/examples/canary-rollout-use-case/README.md
@@ -21,21 +21,25 @@ kubectl label namespace default istio-injection=enabled
 kubectl apply -f first-deploy.yaml
 ```
 
-Wait a few minutes all pods have been ready. Use kubectl port-forward map gateway's service port to localhost.
+Wait a few minutes until all pods are ready. Use kubectl port-forward map gateway's service port to localhost.
 ```shell
 kubectl port-forward service/istio-ingressgateway -n istio-system 19082:80
 ```
 
-Request `127.0.0.1:19082` in your browser will see webpage like this.
+Request http://127.0.0.1:19082/productpage in your browser will see webpage like this.
 ![pic-v1](../../resources/canary-pic-v2.jpg)
 
 ## Canary Rollout
 
-Update application to define a canary rollout workflow. This workflow will suspend after only upgrade one batch pods of `reviews` component and shift 10% traffic to new revision. It's give user some time to manual-check.
+Update the Application to define a canary rollout workflow.
+This workflow will suspend after rolling the first batch of new `reviews` pods and shift 10% traffic to new revision.
+It waits for user to do manual-check.
+
 ```shell
 kubectl apply -f rollout-v2.yaml
 ```
-Wait a few minutes new revision pods ready. Request `127.0.0.1:19082` in your browser again several times. Will see almost 90% chance see previous the webpage and 10% chance see the new webpage whose reviews will display red starts like this.
+
+Wait a few minutes new revision pods ready. Request http://127.0.0.1:19082/productpage in your browser again several times. Will see almost 90% chance see previous the webpage and 10% chance see the new webpage whose reviews will display red starts like this.
 
 ![pic-v2](../../resources/canary-pic-v3.jpg)
 
@@ -47,13 +51,14 @@ resume workflow to continue rollout rest replicas and shift all traffic to new r
 vela workflow reumse book-info
 ```
 
-By request again. You will always see the new webpage
+Request again. You will always see the new webpage
 
-### Cancel rollout workflow and revert.
+### Rollback to the first deployment
+
+If you find some problems after manual-check and want to revert to previous revision, you can rollback to the first deployment.
 
-If you find some problems after manual-check and want to revert to previous revision. You can cancel the rollout workflow and revert.
 ```shell
-kubectl apply -f revert-in-middle.yaml
+kubectl apply -f rollback.yaml
 ```
 
 By request again. You will always see the old webpage
diff --git a/docs/examples/canary-rollout-use-case/revert-in-middle.yaml b/docs/examples/canary-rollout-use-case/rollback.yaml
similarity index 53%
rename from docs/examples/canary-rollout-use-case/revert-in-middle.yaml
rename to docs/examples/canary-rollout-use-case/rollback.yaml
index dd3fdc853..7e0a25870 100644
--- a/docs/examples/canary-rollout-use-case/revert-in-middle.yaml
+++ b/docs/examples/canary-rollout-use-case/rollback.yaml
@@ -20,61 +20,60 @@ spec:
 
 
       traits:
+        - type: rollout
+          properties:
+            targetSize: 2
+            # This means to rollout two more replicas in two batches.
+            rolloutBatches:
+              - replicas: 1
+              - replicas: 1
+
         - type: canary-traffic
           properties:
             port:
               - 9080
 
-        - type: rollout
-          properties:
-            targetRevision: reviews-v1
-            batchPartition: 1
-            targetSize: 2
-            # This means to rollout two more replicas in two batches.
-            rolloutBatches:
-              - replicas: 2
-
     - name: productpage
       type: webservice
       properties:
-        image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
-        port: 9080
+          image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
+          port: 9080
 
       traits:
-        - type: expose
-          properties:
-            port:
-              - 9080
+          - type: expose
+            properties:
+              port:
+                - 9080
 
-        - type: istio-gateway
-          properties:
-            hosts:
-              - "*"
-            gateway: ingressgateway
-            match:
-              - exact: /productpage
-              - prefix: /static
-              - exact: /login
-              - prefix: /api/v1/products
-            port: 9080
+          - type: istio-gateway
+            properties:
+              hosts:
+                - "*"
+              gateway: ingressgateway
+              match:
+                - exact: /productpage
+                - prefix: /static
+                - exact: /login
+                - prefix: /api/v1/products
+              port: 9080
 
     - name: ratings
       type: webservice
       properties:
-        image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
-        port: 9080
+          image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
+          port: 9080
 
       traits:
-        - type: expose
-          properties:
-            port:
-              - 9080
+          - type: expose
+            properties:
+              port:
+                - 9080
 
     - name: details
       type: webservice
       properties:
-        image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
-        port: 9080
+          image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
+          port: 9080
 
       traits:
         - type: expose
@@ -82,4 +81,7 @@ spec:
             port:
               - 9080
 
-
+  workflow:
+    steps:
+      - name: rollback
+        type: canary-rollback
diff --git a/vela-templates/addons/auto-gen/istio.yaml b/vela-templates/addons/auto-gen/istio.yaml
index dbdcf88e2..9b89ee0e5 100644
--- a/vela-templates/addons/auto-gen/istio.yaml
+++ b/vela-templates/addons/auto-gen/istio.yaml
@@ -117,6 +117,82 @@ spec:
                   \   port: int\n}\n\n#uri: {\n   exact?: string\n   prefix?: string\n}
                   \n"
         type: raw
+      - name: canary-rollback
+        properties:
+          apiVersion: core.oam.dev/v1beta1
+          kind: WorkflowStepDefinition
+          metadata:
+            name: canary-rollback
+            namespace: vela-system
+          spec:
+            schematic:
+              cue:
+                template: |-
+                  import ("vela/op")
+
+                  parameter: {...}
+
+                  comps: op.#Load
+                  compNames: [ for name, c in comps.value {name}]
+                  firstcomp: compNames[0]
+
+                  rolloutObj: op.#Read & {
+                    value: {
+                      apiVersion: "standard.oam.dev/v1alpha1"
+                      kind:       "Rollout"
+                      metadata: {
+                        name:      firstcomp
+                        namespace: context.namespace
+                      }
+                    }
+                  }
+
+                  _sourceRevision: rolloutObj.value.status.LastSourceRevision
+
+                  apply: op.#ApplyComponent & {
+                    value: comps.value[firstcomp]
+                    patch: {
+                      traits: "rollout": {
+                        spec: {
+                          targetRevisionName: _sourceRevision
+                        }
+                      }
+
+                      traits: "virtualService": {
+                        spec:
+                          // +patchStrategy=retainKeys
+                          http: [
+                            {
+                              route: [{
+                                destination: {
+                                  host:   firstcomp
+                                  subset: _sourceRevision
+                                }
+                                weight: 100
+                              }]
+                            },
+                          ]
+                      }
+
+                      traits: "destinationRule": {
+                        // +patchStrategy=retainKeys
+                        spec: {
+                          host: firstcomp
+                          subsets: [
+                            {
+                              name: _sourceRevision
+                              labels: {"app.oam.dev/revision": _sourceRevision}
+                            },
+                          ]
+                        }
+                      }
+                    }
+                  }
+
+                  applyRemaining: op.#ApplyRemaining & {
+                      exceptions: [firstcomp]
+                  }
+        type: raw
       - name: canary-traffic
         properties:
           apiVersion: core.oam.dev/v1beta1
diff --git a/vela-templates/addons/istio/definitions/rollback-wf-def.yaml b/vela-templates/addons/istio/definitions/rollback-wf-def.yaml
new file mode 100644
index 000000000..31a8066ee
--- /dev/null
+++ b/vela-templates/addons/istio/definitions/rollback-wf-def.yaml
@@ -0,0 +1,73 @@
+apiVersion: core.oam.dev/v1beta1
+kind: WorkflowStepDefinition
+metadata:
+  name: canary-rollback
+  namespace: vela-system
+spec:
+  schematic:
+    cue:
+      template: |-
+        import ("vela/op")
+
+        parameter: {...}
+
+        comps: op.#Load
+        compNames: [ for name, c in comps.value {name}]
+        firstcomp: compNames[0]
+
+        rolloutObj: op.#Read & {
+          value: {
+            apiVersion: "standard.oam.dev/v1alpha1"
+            kind:       "Rollout"
+            metadata: {
+              name:      firstcomp
+              namespace: context.namespace
+            }
+          }
+        }
+
+        _sourceRevision: rolloutObj.value.status.LastSourceRevision
+
+        apply: op.#ApplyComponent & {
+          value: comps.value[firstcomp]
+          patch: {
+            traits: "rollout": {
+              spec: {
+                targetRevisionName: _sourceRevision
+              }
+            }
+
+            traits: "virtualService": {
+              spec:
+                // +patchStrategy=retainKeys
+                http: [
+                  {
+                    route: [{
+                      destination: {
+                        host:   firstcomp
+                        subset: _sourceRevision
+                      }
+                      weight: 100
+                    }]
+                  },
+                ]
+            }
+
+            traits: "destinationRule": {
+              // +patchStrategy=retainKeys
+              spec: {
+                host: firstcomp
+                subsets: [
+                  {
+                    name: _sourceRevision
+                    labels: {"app.oam.dev/revision": _sourceRevision}
+                  },
+                ]
+              }
+            }
+          }
+        }
+
+        applyRemaining: op.#ApplyRemaining & {
+            exceptions: [firstcomp]
+        }