diff --git a/uixt/ai/wings_service.go b/uixt/ai/wings_service.go
index 8e134714..35fa77db 100644
--- a/uixt/ai/wings_service.go
+++ b/uixt/ai/wings_service.go
@@ -345,8 +345,8 @@ func (w *WingsService) extractScreenshotFromMessage(message *schema.Message) (st
 }
 
 // getDeviceInfoFromContext gets device info from context with fallback
-func (w *WingsService) getDeviceInfoFromContext(ctx context.Context, screenshot string) WingsDeviceInfo {
-	// Fallback to default device info
+func (w *WingsService) getDeviceInfoFromContext(_ context.Context, screenshot string) WingsDeviceInfo {
+	// use default device info
 	return WingsDeviceInfo{
 		DeviceID:        "default-device",
 		NowImage:        screenshot,
diff --git a/uixt/driver_ext_ai.go b/uixt/driver_ext_ai.go
index 1b384f6f..fa376cba 100644
--- a/uixt/driver_ext_ai.go
+++ b/uixt/driver_ext_ai.go
@@ -245,8 +245,6 @@ func (dExt *XTDriver) AIAssert(assertion string, opts ...option.ActionOption) (*
 		return nil, errors.New("LLM service is not initialized")
 	}
 
-	ctx := dExt.addDeviceContextForWings(context.Background())
-
 	// Step 1: Take screenshot and convert to base64
 	screenResult, err := dExt.GetScreenResult(
 		option.WithScreenShotFileName("ai_assert"),
@@ -270,7 +268,7 @@ func (dExt *XTDriver) AIAssert(assertion string, opts ...option.ActionOption) (*
 		Screenshot: screenResult.Base64,
 		Size:       screenResult.Resolution,
 	}
-	result, err := dExt.LLMService.Assert(ctx, assertOpts)
+	result, err := dExt.LLMService.Assert(context.Background(), assertOpts)
 	assertResult.ModelCallElapsed = time.Since(modelCallStartTime).Milliseconds()
 	assertResult.AssertionResult = result
 
@@ -294,8 +292,6 @@ func (dExt *XTDriver) PlanNextAction(ctx context.Context, prompt string, opts ..
 		return nil, errors.New("LLM service is not initialized")
 	}
 
-	ctx = dExt.addDeviceContextForWings(ctx)
-
 	// Parse action options to get ResetHistory setting
 	options := option.NewActionOptions(opts...)
 	resetHistory := options.ResetHistory
@@ -505,40 +501,3 @@ func (dExt *XTDriver) AIQuery(text string, opts ...option.ActionOption) (*AIExec
 	}
 	return aiResult, nil
 }
-
-// Context key types to avoid collisions
-type contextKey string
-
-const (
-	deviceIDKey     contextKey = "device_id"
-	platformTypeKey contextKey = "platform_type"
-)
-
-// addDeviceContextForWings adds device information to context for Wings service
-func (dExt *XTDriver) addDeviceContextForWings(ctx context.Context) context.Context {
-	device := dExt.GetDevice()
-	if device == nil {
-		return ctx
-	}
-
-	// Add device ID to context
-	ctx = context.WithValue(ctx, deviceIDKey, device.UUID())
-
-	// Add platform type to context
-	platformType := "android" // default
-	switch device.(type) {
-	case *AndroidDevice:
-		platformType = "android"
-	case *IOSDevice:
-		platformType = "ios"
-	case *HarmonyDevice:
-		platformType = "harmony"
-	case *BrowserDevice:
-		platformType = "browser"
-	default:
-		platformType = "unknown"
-	}
-	ctx = context.WithValue(ctx, platformTypeKey, platformType)
-
-	return ctx
-}
diff --git a/uixt/sdk.go b/uixt/sdk.go
index 8175fdfc..cd00f036 100644
--- a/uixt/sdk.go
+++ b/uixt/sdk.go
@@ -29,23 +29,29 @@ func NewXTDriver(driver IDriver, opts ...option.AIServiceOption) (*XTDriver, err
 
 	// Handle LLM service initialization
 	if services.LLMConfig != nil {
-		// Use advanced LLM configuration if provided
+		// Use advanced LLM service configuration if provided
 		driverExt.LLMService, err = ai.NewLLMServiceWithOptionConfig(services.LLMConfig)
 		if err != nil {
-			log.Warn().Err(err).Msg("init llm service with config failed, Wings service will be used")
+			log.Warn().Err(err).Msg("init llm service with config failed")
 		} else {
 			log.Info().Msg("LLM service initialized with advanced config")
 		}
 	} else if services.LLMService != "" {
-		// Fallback to simple LLM service if no config provided
+		// Use simple LLM service configuration if provided
 		driverExt.LLMService, err = ai.NewLLMService(services.LLMService)
 		if err != nil {
-			log.Warn().Err(err).Msg("init llm service failed, Wings service will be used")
+			log.Warn().Err(err).Msg("init llm service failed")
 		} else {
-			log.Info().Msg("LLM service initialized")
+			log.Info().Msg("LLM service initialized with simple config")
 		}
 	} else {
-		log.Info().Msg("no LLM service config provided, using Wings service only")
+		// Use Wings service as fallback
+		driverExt.LLMService, err = ai.NewWingsService()
+		if err != nil {
+			log.Warn().Err(err).Msg("init Wings service failed")
+		} else {
+			log.Info().Msg("Wings service initialized")
+		}
 	}
 
 	// Register uixt MCP tools to LLM service if it exists