diff --git a/Camera_connect/BaslerCamera.cs b/Camera_connect/BaslerCamera.cs
index 41e1c7d..1327c86 100644
--- a/Camera_connect/BaslerCamera.cs
+++ b/Camera_connect/BaslerCamera.cs
@@ -17,6 +17,7 @@ namespace Camera_connect
         private readonly List<Camera> allCameras = new List<Camera>();
         private readonly PixelDataConverter pxConvert = new PixelDataConverter();
         private bool isGrabbing;
+        private bool isCameraOpen = false;
 
         public BaslerCamera(Main form)
         {
@@ -27,6 +28,7 @@ namespace Camera_connect
         {
             var allCameraInfos = CameraFinder.Enumerate();
             allCameras.Clear();
+            if (isCameraOpen == true) return;
 
             foreach (var cameraInfo in allCameraInfos)
             {
@@ -36,6 +38,7 @@ namespace Camera_connect
                 camera.StreamGrabber.ImageGrabbed += StreamGrabber_ImageGrabbed;
                 camera.Open();
                 allCameras.Add(camera);
+                isCameraOpen = true; ;
             }
 
             isGrabbing = true;
@@ -92,6 +95,7 @@ namespace Camera_connect
                 allCameras[0].StreamGrabber.Stop();
                 CameraImageEvent = null; // 解除訂閱事件，防止影像更新
                 isGrabbing = false;
+                isCameraOpen = false;
             }
             else
             {
diff --git a/Camera_connect/Main.cs b/Camera_connect/Main.cs
index 65a5f9b..c877a73 100644
--- a/Camera_connect/Main.cs
+++ b/Camera_connect/Main.cs
@@ -125,7 +125,6 @@ namespace Camera_connect
             }
         }
 
-
         private void bt_OneShot_Click(object sender, EventArgs e)
         {
             try
@@ -145,6 +144,7 @@ namespace Camera_connect
                 }
                 else if (selectedCamera == "Basler")
                 {
+                    if (isKeepShotting == true) return;
                     if (Basler != null)
                     {
                         Basler.OneShot(); // �榸����
@@ -164,7 +164,7 @@ namespace Camera_connect
         private void bt_KeepShot_Click(object sender, EventArgs e)
         {
             string? selectedCamera = comboBox1.SelectedItem?.ToString();
-
+            if (isKeepShotting == true) return;
             if (selectedCamera == "IDS")
             {
                 // IDS �۾����s������޿�
@@ -205,6 +205,7 @@ namespace Camera_connect
             }
             else if (selectedCamera == "Basler")
             {
+
                 if (Basler != null)
                 {
                     Basler.Stop();