diff --git a/uixt/ai/asserter.go b/uixt/ai/asserter.go
index 87300ad9..f34e5513 100644
--- a/uixt/ai/asserter.go
+++ b/uixt/ai/asserter.go
@@ -24,10 +24,9 @@ type IAsserter interface {
 
 // AssertOptions represents the input options for assertion
 type AssertOptions struct {
-	Assertion    string     `json:"assertion"`     // The assertion text to verify
-	Screenshot   string     `json:"screenshot"`    // Base64 encoded screenshot
-	Size         types.Size `json:"size"`          // Screen dimensions
-	ResetHistory bool       `json:"reset_history"` // whether to reset conversation history before assertion
+	Assertion  string     `json:"assertion"`  // The assertion text to verify
+	Screenshot string     `json:"screenshot"` // Base64 encoded screenshot
+	Size       types.Size `json:"size"`       // Screen dimensions
 }
 
 // AssertionResult represents the response from an AI assertion
diff --git a/uixt/ai/wings_service.go b/uixt/ai/wings_service.go
index 1dda31b8..4faf9495 100644
--- a/uixt/ai/wings_service.go
+++ b/uixt/ai/wings_service.go
@@ -164,11 +164,6 @@ func (w *WingsService) Assert(ctx context.Context, opts *AssertOptions) (*Assert
 		return nil, errors.Wrap(err, "validate assertion parameters failed")
 	}
 
-	// Reset history if requested
-	if opts.ResetHistory {
-		w.resetHistory()
-	}
-
 	// Clean screenshot data URL prefix
 	cleanScreenshot := w.cleanScreenshotDataURL(opts.Screenshot)
 
@@ -177,7 +172,7 @@ func (w *WingsService) Assert(ctx context.Context, opts *AssertOptions) (*Assert
 
 	// Prepare Wings API request for assertion
 	apiRequest := WingsActionRequest{
-		Historys:   w.history,
+		Historys:   []History{},
 		DeviceInfo: deviceInfo,
 		StepText:   opts.Assertion,
 		BizId:      w.bizId,
diff --git a/uixt/cache.go b/uixt/cache.go
index ca0233b4..7ca0c6f0 100644
--- a/uixt/cache.go
+++ b/uixt/cache.go
@@ -323,6 +323,7 @@ func createXTDriverWithConfig(config DriverCacheConfig) (*XTDriver, error) {
 		// Default AI options
 		aiOpts = []option.AIServiceOption{
 			option.WithCVService(option.CVServiceTypeVEDEM),
+			option.WithLLMConfig(option.RecommendedConfigurations()["ui_focused"]),
 		}
 	}