diff --git a/AIParkingApplication/LaneIn.cs b/AIParkingApplication/LaneIn.cs
index 184bc53..98fc01e 100644
--- a/AIParkingApplication/LaneIn.cs
+++ b/AIParkingApplication/LaneIn.cs
@@ -106,13 +106,13 @@ namespace AIParkingApplication
             }
         }
 
-        private async void PlateCamera_OnOneVideoFrameRequested(Mat videoFrame)
+        private async Task<FinalPlateResult> ProcessFrameImage(Mat frame, bool isRetryMode, bool isRetryModeUntilOk)
         {
             try
             {
                 //TODO: check size before resizing
-                Cv2.Resize(videoFrame, videoFrame, new Size(1280, 720));
-                FinalPlateResult finalPlateResult = await plateProcessor.ProcessPlate(videoFrame);
+                Cv2.Resize(frame, frame, new Size(1280, 720));
+                FinalPlateResult finalPlateResult = await plateProcessor.ProcessPlate(frame);
 
                 if (isRetryMode && !plateProcessor.IsPlateStringValid(finalPlateResult.PlateString))
                 {
@@ -123,27 +123,36 @@ namespace AIParkingApplication
                     }
                     else
                     {
-                        Console.WriteLine("PlateCamera_OnOneVideoFrameRequested Retry Mode");
+                        Console.WriteLine("ProcessFrameImage Retry Mode");
                         Thread.Sleep(1000);
                         overviewCamera.RequestCaptureOneFrame();
-                        finalPlateResult = await plateProcessor.ProcessPlate(videoFrame);
+                        finalPlateResult = await plateProcessor.ProcessPlate(frame);
                     }
                 }
-
-                pictureBoxPlateImage.Invoke(new Action(() =>
-                {
-                    pictureBoxPlateImage.Image?.Dispose();
-                    pictureBoxPlateImage.Image = finalPlateResult.PlateImage;
-                }));
-
-                ShowCardInfoOnUI("224", finalPlateResult.PlateString, "Thẻ tháng", DateTime.Now.ToString(AppConstant.DATETIME_FORMAT));
+                return finalPlateResult;
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"PlateCamera_OnOneVideoFrameRequested\texMessage: {ex.Message}");
+                Console.WriteLine($"ProcessFrameImage\texMessage: {ex.Message}");
+                return new FinalPlateResult
+                {
+                    PlateImage = frame.ToBitmap(),
+                    PlateString = string.Empty
+                };
             }
         }
 
+        private async void PlateCamera_OnOneVideoFrameRequested(Mat videoFrame)
+        {
+            FinalPlateResult result = await ProcessFrameImage(videoFrame, isRetryMode, isRetryModeUntilOk);
+            pictureBoxPlateImage.Invoke(new Action(() =>
+            {
+                pictureBoxPlateImage.Image?.Dispose();
+                pictureBoxPlateImage.Image = result.PlateImage;
+            }));
+            ShowCardInfoOnUI("224", result.PlateString, "Thẻ tháng", DateTime.Now.ToString(AppConstant.DATETIME_FORMAT));
+        }
+
         public void Stop()
         {
             plateCamera.Stop();