diff --git a/AIParkingApplication/AIParkingApplicationForm.Designer.cs b/AIParkingApplication/AIParkingApplicationForm.Designer.cs
index 7738f8c..e518972 100644
--- a/AIParkingApplication/AIParkingApplicationForm.Designer.cs
+++ b/AIParkingApplication/AIParkingApplicationForm.Designer.cs
@@ -62,28 +62,28 @@
             // toolStripMenuItemSwitchLaneInIn
             // 
             this.toolStripMenuItemSwitchLaneInIn.Name = "toolStripMenuItemSwitchLaneInIn";
-            this.toolStripMenuItemSwitchLaneInIn.Size = new System.Drawing.Size(180, 22);
+            this.toolStripMenuItemSwitchLaneInIn.Size = new System.Drawing.Size(123, 22);
             this.toolStripMenuItemSwitchLaneInIn.Text = "Vào - Vào";
             this.toolStripMenuItemSwitchLaneInIn.Click += new System.EventHandler(this.toolStripMenuItemSwitchLaneInIn_Click);
             // 
             // toolStripMenuItemSwitchLaneInOut
             // 
             this.toolStripMenuItemSwitchLaneInOut.Name = "toolStripMenuItemSwitchLaneInOut";
-            this.toolStripMenuItemSwitchLaneInOut.Size = new System.Drawing.Size(180, 22);
+            this.toolStripMenuItemSwitchLaneInOut.Size = new System.Drawing.Size(123, 22);
             this.toolStripMenuItemSwitchLaneInOut.Text = "Vào - Ra";
             this.toolStripMenuItemSwitchLaneInOut.Click += new System.EventHandler(this.toolStripMenuItemSwitchLaneInOut_Click);
             // 
             // toolStripMenuItemSwitchLaneOutOut
             // 
             this.toolStripMenuItemSwitchLaneOutOut.Name = "toolStripMenuItemSwitchLaneOutOut";
-            this.toolStripMenuItemSwitchLaneOutOut.Size = new System.Drawing.Size(180, 22);
+            this.toolStripMenuItemSwitchLaneOutOut.Size = new System.Drawing.Size(123, 22);
             this.toolStripMenuItemSwitchLaneOutOut.Text = "Ra - Ra";
             this.toolStripMenuItemSwitchLaneOutOut.Click += new System.EventHandler(this.toolStripMenuItemSwitchLaneOutOut_Click);
             // 
             // toolStripMenuItemSwitchLaneOutIn
             // 
             this.toolStripMenuItemSwitchLaneOutIn.Name = "toolStripMenuItemSwitchLaneOutIn";
-            this.toolStripMenuItemSwitchLaneOutIn.Size = new System.Drawing.Size(180, 22);
+            this.toolStripMenuItemSwitchLaneOutIn.Size = new System.Drawing.Size(123, 22);
             this.toolStripMenuItemSwitchLaneOutIn.Text = "Ra - Vào";
             this.toolStripMenuItemSwitchLaneOutIn.Click += new System.EventHandler(this.toolStripMenuItemSwitchLaneOutIn_Click);
             // 
@@ -100,6 +100,7 @@
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "AIParking - Phần mềm quản lý bãi đỗ xe";
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.AIParkingApplicationForm_FormClosing);
+            this.Load += new System.EventHandler(this.AIParkingApplicationForm_Load);
             this.menuStrip.ResumeLayout(false);
             this.menuStrip.PerformLayout();
             this.ResumeLayout(false);
diff --git a/AIParkingApplication/AIParkingApplicationForm.cs b/AIParkingApplication/AIParkingApplicationForm.cs
index 722d6d3..95c21a7 100644
--- a/AIParkingApplication/AIParkingApplicationForm.cs
+++ b/AIParkingApplication/AIParkingApplicationForm.cs
@@ -27,7 +27,13 @@ namespace AIParkingApplication
             this.configOnWeb = configOnWeb;
 
             ReadAccessControlDeviceIPConfiguration();
+            if (string.IsNullOrEmpty(doorAccessControlDeviceIP))
+            {
+                MessageBox.Show("Kiểm tra lại cấu hình IP thiết bị mở cửa! (C3200)", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                Application.Exit();
+            }
 
+            c3Device = new C3DeviceController(doorAccessControlDeviceIP);
             sidebar = new Sidebar(apiController)
             {
                 Location = new Point(0, 0)
@@ -51,7 +57,7 @@ namespace AIParkingApplication
                 return;
             }
 
-            InitAllLanes();
+
         }
 
         private void InitAllLanes()
@@ -200,10 +206,8 @@ namespace AIParkingApplication
             }
             catch (Exception ex)
             {
-                MessageBox.Show("Kiểm tra lại cấu hình IP thiết bị mở cửa! (C3200)");
                 Console.WriteLine($"{DateTime.Now.GetTimeFormatted()}\tReadAccessControlDeviceIPConfiguration\t{ex.Message}");
-                Application.Exit();
-                return;
+                doorAccessControlDeviceIP = string.Empty;
             }
         }
 
@@ -211,5 +215,10 @@ namespace AIParkingApplication
         {
             Application.Exit();
         }
+
+        private void AIParkingApplicationForm_Load(object sender, EventArgs e)
+        {
+            InitAllLanes();
+        }
     }
 }