diff --git a/.gitignore b/.gitignore
index 9f11b75..4df69a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .idea/
+*.exe
diff --git a/helper.go b/helper.go
new file mode 100644
index 0000000..b8c3ce1
--- /dev/null
+++ b/helper.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+    "github.com/gofiber/fiber/v2"
+    "time"
+)
+
+type StatusResult struct {
+    Code       string `json:"code"`
+    Message    string `json:"msg"`
+    Scene      string `json:"scene,omitempty"`
+    SequenceId int    `json:"sequenceId,omitempty"`
+    Timestamp  int64  `json:"timestamp"`
+}
+
+func failureResponse(ctx *fiber.Ctx, code string, msg string, stat int) error {
+    ctx.Response().SetStatusCode(stat)
+    var ret = make(map[string]interface{})
+    ret["status"] = StatusResult{Code: code, Message: msg, Timestamp: time.Now().Unix()}
+    return ctx.JSON(ret)
+}
+
+func successResponse(ctx *fiber.Ctx, msg string) error {
+    var ret = make(map[string]interface{})
+    ret["status"] = StatusResult{Code: "0", Message: msg, Timestamp: time.Now().Unix()}
+    return ctx.JSON(ret)
+}
+
+func successResponseEx(ctx *fiber.Ctx, msg string, scene string, seq int) error {
+    var ret = make(map[string]interface{})
+    ret["status"] = StatusResult{
+        Code:       "0",
+        Message:    msg,
+        Timestamp:  time.Now().Unix(),
+        SequenceId: seq,
+        Scene:      scene,
+    }
+
+    return ctx.JSON(ret)
+}
diff --git a/main.go b/main.go
index 25ac8d8..c3dbaa7 100644
--- a/main.go
+++ b/main.go
@@ -19,7 +19,7 @@ var rootCmd = &cobra.Command{
 func init() {
     cobra.OnInitialize(initConfig)
     rootCmd.PersistentFlags().StringVarP(&listenAddr, "listen", "L", ":3000", "Service listen address")
-    rootCmd.AddCommand(serveCmd, helpCmd)
+    rootCmd.AddCommand(serveCmd)
 }
 
 func initConfig() {
@@ -46,14 +46,6 @@ var serveCmd = &cobra.Command{
     },
 }
 
-var helpCmd = &cobra.Command{
-    Use:   "help",
-    Short: "Show help message",
-    Run: func(cmd *cobra.Command, args []string) {
-        fmt.Println("==================== HELP =========================")
-    },
-}
-
 func main() {
     if err := rootCmd.Execute(); err != nil {
         fmt.Println(err)
diff --git a/recog.go b/recog.go
index f95593c..c31289a 100644
--- a/recog.go
+++ b/recog.go
@@ -1,7 +1,28 @@
 package main
 
-import "github.com/gofiber/fiber/v2"
+import (
+    "github.com/gofiber/fiber/v2"
+)
+
+type TestCommand struct {
+    Command    string `json:"cmd"`
+    SequenceId int    `json:"sequenceId"`
+}
+
+var currentTest *TestCommand
 
 func setTestCmd(c *fiber.Ctx) error {
-    return c.SendString("OK")
+    var testCmd TestCommand
+    if err := c.BodyParser(&testCmd); nil != err {
+        return failureResponse(c, "-1", err.Error(), 400)
+    } else if nil == currentScene {
+        return failureResponse(c, "1", "not in a working scene", 400)
+    } else {
+        currentTest = &testCmd
+        return successResponse(c, "Updated successfully.")
+    }
+}
+
+func init() {
+    currentTest = nil
 }
diff --git a/scene.go b/scene.go
index 096f047..8a95879 100644
--- a/scene.go
+++ b/scene.go
@@ -1,15 +1,71 @@
 package main
 
-import "github.com/gofiber/fiber/v2"
+import (
+    "errors"
+    "github.com/gofiber/fiber/v2"
+    "net/url"
+)
+
+var currentScene *SceneCommand
+
+type SceneCommand struct {
+    Scene      string   `json:"scene"`
+    PushUrl    string   `json:"pushUrl"`
+    CameraUrls []string `json:"cameraURls"`
+}
+
+func validateSceneCmd(cmd SceneCommand) error {
+    switch cmd.Scene {
+    case "pullUp", "standJump", "sitUps":
+        if len(cmd.CameraUrls) < 1 {
+            return errors.New("cameraUrls can not less than 1")
+        }
+    case "race":
+        if len(cmd.CameraUrls) < 2 {
+            return errors.New("cameraUrls can not less than 2")
+        }
+    default:
+        return errors.New("unknown scene type:" + cmd.Scene)
+    }
+    if u, e := url.Parse(cmd.PushUrl); nil != e {
+        return errors.New("invalid pushUrl:" + e.Error())
+    } else if u.Scheme != "http" && u.Scheme != "https" {
+        return errors.New("can not support pushUrl with " + u.Scheme)
+    }
+    return nil
+}
 
 func setScene(c *fiber.Ctx) error {
-    return c.SendString("OK")
+    var sceneCmd SceneCommand
+    if err := c.BodyParser(&sceneCmd); nil != err {
+        return failureResponse(c, "-1", err.Error(), 400)
+    } else if nil != currentScene {
+        return failureResponse(c, "1", "A working scene is started", 400)
+    } else if err = validateSceneCmd(sceneCmd); nil != err {
+        return failureResponse(c, "2", err.Error(), 400)
+    } else {
+        currentScene = &sceneCmd
+        return successResponse(c, "Updated successfully.")
+    }
 }
 
 func stopScene(c *fiber.Ctx) error {
-    return c.SendString("OK")
+    currentScene = nil
+    return successResponse(c, "Updated successfully.")
 }
 
 func getStatus(c *fiber.Ctx) error {
-    return c.SendString("OK")
+    var scene = ""
+    var seq = 0
+    if nil != currentScene {
+        scene = currentScene.Scene
+    }
+    if nil != currentTest {
+        seq = currentTest.SequenceId
+    }
+    return successResponseEx(c, "success", scene, seq)
+}
+
+func init() {
+    currentScene = nil
 }