diff --git a/hrp/internal/version/VERSION b/hrp/internal/version/VERSION
index e30021b2..4892ef0a 100644
--- a/hrp/internal/version/VERSION
+++ b/hrp/internal/version/VERSION
@@ -1 +1 @@
-v5.0.0+2411101049
+v5.0.0+2411102027
diff --git a/hrp/runner.go b/hrp/runner.go
index 748ee1e8..9cc3624b 100644
--- a/hrp/runner.go
+++ b/hrp/runner.go
@@ -26,6 +26,7 @@ import (
 	"github.com/httprunner/httprunner/v4/hrp/code"
 	"github.com/httprunner/httprunner/v4/hrp/internal/sdk"
 	"github.com/httprunner/httprunner/v4/hrp/internal/version"
+	"github.com/httprunner/httprunner/v4/hrp/pkg/uixt"
 )
 
 // Run starts to run testcase with default configs.
@@ -233,7 +234,7 @@ func (r *HRPRunner) Run(testcases ...ITestCase) (err error) {
 
 		// release UI driver session
 		defer func() {
-			for _, client := range uiClients {
+			for _, client := range caseRunner.uixtDrivers {
 				client.Driver.DeleteSession()
 			}
 		}()
@@ -277,9 +278,10 @@ func (r *HRPRunner) Run(testcases ...ITestCase) (err error) {
 // each testcase has its own case runner
 func (r *HRPRunner) NewCaseRunner(testcase TestCase) (*CaseRunner, error) {
 	caseRunner := &CaseRunner{
-		TestCase:  testcase,
-		hrpRunner: r,
-		parser:    newParser(),
+		TestCase:    testcase,
+		hrpRunner:   r,
+		parser:      newParser(),
+		uixtDrivers: make(map[string]*uixt.DriverExt),
 	}
 	config := testcase.Config.Get()
 
@@ -335,6 +337,9 @@ type CaseRunner struct {
 	parser    *Parser    // each CaseRunner init its own Parser
 
 	parametersIterator *ParametersIterator
+
+	// UI automation clients for iOS and Android, key is udid/serial
+	uixtDrivers map[string]*uixt.DriverExt
 }
 
 // parseConfig parses testcase config, stores to parsedConfig.
@@ -522,7 +527,7 @@ func (r *SessionRunner) Start(givenVars map[string]interface{}) (summary *TestCa
 		summary.InOut.ConfigVars = config.Variables
 
 		// TODO: move to mobile ui step
-		for uuid, client := range uiClients {
+		for uuid, client := range r.caseRunner.uixtDrivers {
 			// add WDA/UIA logs to summary
 			logs := map[string]interface{}{
 				"uuid": uuid,
diff --git a/hrp/step_mobile_ui.go b/hrp/step_mobile_ui.go
index d6b747f2..507c0161 100644
--- a/hrp/step_mobile_ui.go
+++ b/hrp/step_mobile_ui.go
@@ -13,11 +13,9 @@ import (
 	"github.com/httprunner/httprunner/v4/hrp/pkg/uixt"
 )
 
-var uiClients = make(map[string]*uixt.DriverExt) // UI automation clients for iOS and Android, key is udid/serial
-
-func initUIClient(serial, osType string, caseConfig *TConfig) (client *uixt.DriverExt, err error) {
+func (r *SessionRunner) GetUIXTDriver(serial, osType string) (driver *uixt.DriverExt, err error) {
 	// get cached driver
-	for key, driver := range uiClients {
+	for key, driver := range r.caseRunner.uixtDrivers {
 		// if serial is empty, return the first driver
 		if serial == "" {
 			return driver, nil
@@ -28,6 +26,7 @@ func initUIClient(serial, osType string, caseConfig *TConfig) (client *uixt.Driv
 		}
 	}
 
+	caseConfig := r.caseRunner.TestCase.Config.Get()
 	// init new driver
 	var device uixt.IDevice
 	switch strings.ToLower(osType) {
@@ -72,15 +71,15 @@ func initUIClient(serial, osType string, caseConfig *TConfig) (client *uixt.Driv
 		return nil, err
 	}
 
-	client, err = device.NewDriver()
+	driver, err = device.NewDriver()
 	if err != nil {
 		return nil, err
 	}
 
-	// cache wda client
-	uiClients[serial] = client
+	// cache driver
+	r.caseRunner.uixtDrivers[serial] = driver
 
-	return client, nil
+	return driver, nil
 }
 
 type MobileUI struct {
@@ -656,8 +655,7 @@ func runStepMobileUI(s *SessionRunner, step IStep) (stepResult *StepResult, err
 	})
 
 	// init wda/uia/hdc driver
-	caseConfig := s.caseRunner.TestCase.Config.Get()
-	uiDriver, err := initUIClient(mobileStep.Serial, mobileStep.OSType, caseConfig)
+	uiDriver, err := s.GetUIXTDriver(mobileStep.Serial, mobileStep.OSType)
 	if err != nil {
 		return
 	}
diff --git a/hrp/step_request.go b/hrp/step_request.go
index 2d5034da..51fa3319 100644
--- a/hrp/step_request.go
+++ b/hrp/step_request.go
@@ -24,6 +24,7 @@ import (
 	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/json"
 	"github.com/httprunner/httprunner/v4/hrp/pkg/httpstat"
+	"github.com/httprunner/httprunner/v4/hrp/pkg/uixt"
 )
 
 type HTTPMethod string
@@ -748,31 +749,52 @@ func (s *StepRequest) WebSocket() *StepWebSocket {
 	}
 }
 
-// Android creates a new android action
-func (s *StepRequest) Android() *StepMobile {
+// Android creates a new android step session
+func (s *StepRequest) Android(options ...uixt.AndroidDeviceOption) *StepMobile {
+	androidOptions := &uixt.AndroidDevice{}
+	for _, option := range options {
+		option(androidOptions)
+	}
 	return &StepMobile{
 		StepConfig: s.StepConfig,
-		Android:    &MobileUI{},
+		Android: &MobileUI{
+			OSType: string(stepTypeAndroid),
+			Serial: androidOptions.SerialNumber,
+		},
 	}
 }
 
-// IOS creates a new ios action
-func (s *StepRequest) IOS() *StepMobile {
+// IOS creates a new ios step session
+func (s *StepRequest) IOS(options ...uixt.IOSDeviceOption) *StepMobile {
+	iosOptions := &uixt.IOSDevice{}
+	for _, option := range options {
+		option(iosOptions)
+	}
 	return &StepMobile{
 		StepConfig: s.StepConfig,
-		IOS:        &MobileUI{},
+		IOS: &MobileUI{
+			OSType: string(stepTypeIOS),
+			Serial: iosOptions.UDID,
+		},
 	}
 }
 
-// Harmony creates a new harmony action
-func (s *StepRequest) Harmony() *StepMobile {
+// Harmony creates a new harmony step session
+func (s *StepRequest) Harmony(options ...uixt.HarmonyDeviceOption) *StepMobile {
+	harmonyOptions := &uixt.HarmonyDevice{}
+	for _, option := range options {
+		option(harmonyOptions)
+	}
 	return &StepMobile{
 		StepConfig: s.StepConfig,
-		Harmony:    &MobileUI{},
+		Harmony: &MobileUI{
+			OSType: string(stepTypeHarmony),
+			Serial: harmonyOptions.ConnectKey,
+		},
 	}
 }
 
-// Shell creates a new shell action
+// Shell creates a new shell step session
 func (s *StepRequest) Shell(content string) *StepShell {
 	return &StepShell{
 		StepConfig: s.StepConfig,