fix workflow example (#2064)

docs/examples/workflow/README.md

@@ -13,7 +13,7 @@
  Output:
    ```
     NAME              AGE
-    singletonServer   49s
+    singleton-server   49s
 
     NAME              AGE
     apply-component   49s

docs/examples/workflow/basic-app.yaml

@@ -7,8 +7,12 @@ spec:
   components:
     - name: "server1"
       type: "singleton-server"
+      properties:
+        version: 1.14.2
     - name: "server2"
       type: "singleton-server"
+      properties:
+        version: 1.14.2
   workflow:
     steps:
       - name: deploy-server1

docs/examples/workflow/definition.yaml

@@ -23,8 +23,8 @@ spec:
            value: {
               component.value.workload
               metadata: name: parameter.component
-              if parameter.prefixIP!=_|_{
-                 spec: containers: [{env: [{name: "ServerIP",value: parameter.serverIP}]}]
+              if parameter.serverIP!=_|_{
+                 spec: containers: [{env: [{name: "PrefixIP",value: parameter.serverIP}]}]
               }
            }
         }
@@ -60,7 +60,7 @@ spec:
 
         // wait until workload.status equal "Running"
         wait: op.#ConditionalWait & {
-           continue: apply.status.phase =="Running"
+           continue: apply.workload.status.phase =="Running"
         }
 
         // export podIP