diff --git a/AIParkingApplication/AIParkingApplication.csproj b/AIParkingApplication/AIParkingApplication.csproj
index 6ae5a10..eb84b9a 100644
--- a/AIParkingApplication/AIParkingApplication.csproj
+++ b/AIParkingApplication/AIParkingApplication.csproj
@@ -81,6 +81,7 @@
     <Compile Include="C3DeviceController.cs" />
     <Compile Include="Camera.cs" />
     <Compile Include="Enums.cs" />
+    <Compile Include="IDoorControlAccess.cs" />
     <Compile Include="ILane.cs" />
     <Compile Include="LaneIn.cs">
       <SubType>UserControl</SubType>
diff --git a/AIParkingApplication/AIParkingApplicationForm.cs b/AIParkingApplication/AIParkingApplicationForm.cs
index a406fc1..2519911 100644
--- a/AIParkingApplication/AIParkingApplicationForm.cs
+++ b/AIParkingApplication/AIParkingApplicationForm.cs
@@ -6,7 +6,7 @@ namespace AIParkingApplication
     {
         //@"C:\CongRa_1.mp4"; @"C:\HS_test.mp4";  @"rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov"
         private ApiController apiController;
-        private C3DeviceController c3Device;
+        private IDoorControlAccess c3Device;
         private LaneIn laneIn;
 
         public AIParkingApplicationForm()
diff --git a/AIParkingApplication/C3DeviceController.cs b/AIParkingApplication/C3DeviceController.cs
index 7685c33..1680ef9 100644
--- a/AIParkingApplication/C3DeviceController.cs
+++ b/AIParkingApplication/C3DeviceController.cs
@@ -7,7 +7,7 @@ namespace AIParkingApplication
 {
     public delegate void C3DeviceEvent(int doorId, string cardNumber);
 
-    public class C3DeviceController
+    public class C3DeviceController : IDoorControlAccess
     {
         private string ipAddress;
         private int port;
@@ -131,7 +131,7 @@ namespace AIParkingApplication
             }
         }
 
-        public ActionResult GetRTLog(out int doorId, out string cardNumber)
+        private ActionResult GetRTLog(out int doorId, out string cardNumber)
         {
             doorId = C3Constant.DEFAULT_DOOR_ID;
             cardNumber = C3Constant.DEFAULT_CARD_NUMBER;
diff --git a/AIParkingApplication/IDoorControlAccess.cs b/AIParkingApplication/IDoorControlAccess.cs
new file mode 100644
index 0000000..6c870f0
--- /dev/null
+++ b/AIParkingApplication/IDoorControlAccess.cs
@@ -0,0 +1,14 @@
+using System.Threading.Tasks;
+
+namespace AIParkingApplication
+{
+    public interface IDoorControlAccess
+    {
+        event C3DeviceEvent OnNewCardReceived;
+
+        ActionResult Connect();
+        ActionResult Disconnect();
+        Task GetLogToReceiveNewCard();
+        ActionResult OpenDoor(int doorId);
+    }
+}
\ No newline at end of file
diff --git a/AIParkingApplication/LaneIn.cs b/AIParkingApplication/LaneIn.cs
index a2bacbf..48f8895 100644
--- a/AIParkingApplication/LaneIn.cs
+++ b/AIParkingApplication/LaneIn.cs
@@ -18,13 +18,13 @@ namespace AIParkingApplication
         private bool isSupportLongPlate;
         private bool isAutoOpenDoor;
         private bool isRetryMode;
-        private C3DeviceController c3Device;
+        private IDoorControlAccess doorControlAccess;
         private ApiController apiController;
 
         public LaneIn(int doorId,
             string plateStream,
             string overviewStream,
-            C3DeviceController c3Device,
+            IDoorControlAccess doorControlAccess,
             ApiController apiController,
             bool isSupportSquarePlate = true,
             bool isSupportLongPlate = false,
@@ -41,8 +41,8 @@ namespace AIParkingApplication
             overviewCamera = new Camera(overviewStream);
             plateCamera = new Camera(plateStream);
             this.apiController = apiController;
-            this.c3Device = c3Device;
-            this.c3Device.OnNewCardReceived += C3Device_OnNewCardReceived;
+            this.doorControlAccess = doorControlAccess;
+            this.doorControlAccess.OnNewCardReceived += C3Device_OnNewCardReceived;
 
             plateCamera.OnVideoFrameReceived += PlateCameraOnVideoFrameReceived;
             plateCamera.OnOpenVideoStreamFailed += PlateCamera_OnOpenVideoStreamFailed;
@@ -115,7 +115,7 @@ namespace AIParkingApplication
 
         private void OpenDoor(int doorId)
         {
-            if (c3Device.OpenDoor(doorId).HasError)
+            if (doorControlAccess.OpenDoor(doorId).HasError)
             {
                 lblStatusInfo.UpdateLabel("KHÔNG THỂ MỞ CỬA", Color.Red);
             }
@@ -196,9 +196,9 @@ namespace AIParkingApplication
 
         private void ConnectToDoorAccessControl()
         {
-            if (!this.c3Device.Connect().HasError)
+            if (!this.doorControlAccess.Connect().HasError)
             {
-                _ = this.c3Device.GetLogToReceiveNewCard();
+                _ = this.doorControlAccess.GetLogToReceiveNewCard();
             }
             else
             {