diff --git a/hrp/step.go b/hrp/step.go
index 9b6f070a..721e70a8 100644
--- a/hrp/step.go
+++ b/hrp/step.go
@@ -34,6 +34,7 @@ const (
 	uiLongClick         MobileMethod = "long_click"
 	uiSwipe             MobileMethod = "swipe"
 	uiInput             MobileMethod = "input"
+	ctlScreenShot       MobileMethod = "screenshot"
 	ctlSleep            MobileMethod = "sleep"
 )
 
diff --git a/hrp/step_ios_ui.go b/hrp/step_ios_ui.go
index 13189fc9..425856c0 100644
--- a/hrp/step_ios_ui.go
+++ b/hrp/step_ios_ui.go
@@ -190,6 +190,14 @@ func (s *StepIOS) Sleep(n int) *StepIOS {
 	return &StepIOS{step: s.step}
 }
 
+func (s *StepIOS) ScreenShot() *StepIOS {
+	s.step.IOS.Actions = append(s.step.IOS.Actions, MobileAction{
+		Method: ctlScreenShot,
+		Params: nil,
+	})
+	return &StepIOS{step: s.step}
+}
+
 // Validate switches to step validation.
 func (s *StepIOS) Validate() *StepIOSValidation {
 	return &StepIOSValidation{
@@ -404,8 +412,8 @@ func runStepIOS(r *SessionRunner, step *TStep) (stepResult *StepResult, err erro
 	}
 
 	// take snapshot
-	log.Info().Str("name", step.Name).Msg("take snapshot")
-	err = wdaClient.screenshot()
+	log.Info().Str("name", step.Name).Msg("take snapshot before validation")
+	err = wdaClient.screenShot()
 	if err != nil {
 		log.Warn().Err(err).Str("step", step.Name).Msg("take screenshot failed")
 	}
@@ -429,7 +437,7 @@ type wdaClient struct {
 	WindowSize gwda.Size
 }
 
-func (w *wdaClient) screenshot() error {
+func (w *wdaClient) screenShot() error {
 	raw, err := w.Driver.Screenshot()
 	if err != nil {
 		return errors.Wrap(err, "screenshot by WDA failed")
@@ -585,6 +593,10 @@ func (w *wdaClient) doAction(action MobileAction) error {
 			return nil
 		}
 		return fmt.Errorf("invalid sleep params: %v", action.Params)
+	case ctlScreenShot:
+		// take snapshot
+		log.Info().Msg("take snapshot for current screen")
+		w.screenShot()
 	}
 	return nil
 }
diff --git a/hrp/step_ui_test.go b/hrp/step_ui_test.go
index fa3fc767..f888b55a 100644
--- a/hrp/step_ui_test.go
+++ b/hrp/step_ui_test.go
@@ -87,20 +87,27 @@ func TestIOSAppLaunch(t *testing.T) {
 	}
 }
 
-func TestIOSWeixin(t *testing.T) {
+func TestIOSWeixinLive(t *testing.T) {
 	testCase := &TestCase{
-		Config: NewConfig("ios ui action on 微信"),
+		Config: NewConfig("ios ui action on 微信直播"),
 		TestSteps: []IStep{
 			NewStep("启动微信").
-				IOS().Home().Click("微信").
+				IOS().
+				Home().
+				AppTerminate("com.tencent.xin"). // 关闭已运行的微信，确保启动微信后在「微信」首页
+				Click("微信").
 				Validate().
 				AssertNameExists("通讯录", "微信启动失败，「通讯录」不存在"),
 			NewStep("进入直播页").
-				IOS().Click("发现").Click([]float64{0.5, 0.3}).
+				IOS().
+				Click("发现").Sleep(5).       // 进入「发现页」；等待 5 秒确保加载完成
+				Click([]float64{0.5, 0.3}). // 基于坐标位置点击「直播」；TODO：通过 OCR 识别「直播」
 				Validate().
 				AssertNameExists("直播", "「直播」不存在"),
 			NewStep("向上滑动 5 次").
-				IOS().SwipeUp().Times(5),
+				IOS().
+				SwipeUp().Times(3).ScreenShot(). // 上划 3 次，截图保存
+				SwipeUp().Times(2).ScreenShot(), // 再上划 2 次，截图保存
 		},
 	}