diff --git a/samples/demo/detection_with_clicked_tracking.cpp b/samples/demo/detection_with_clicked_tracking.cpp
index 3bd5a07..fcfd73e 100644
--- a/samples/demo/detection_with_clicked_tracking.cpp
+++ b/samples/demo/detection_with_clicked_tracking.cpp
@@ -50,15 +50,12 @@ int main(int argc, char *argv[]) {
 
 
   // 打开摄像头
-  // sv::Camera cap;
+  sv::Camera cap;
   // cap.setWH(640, 480);
   // cap.setFps(30);
-  // cap.open(sv::CameraType::WEBCAM, 0);  // CameraID 0
-  // cv::VideoCapture cap("/home/amov/SpireCV/test/tracking_1280x720.mp4");
-  // 实例化OpenCV的Mat类，用于内存单帧图像
+  cap.open(sv::CameraType::WEBCAM, 0);  // CameraID 0
 
-  cv::VideoCapture cap;
-  cap.open("/dev/video0");
+  // 实例化OpenCV的Mat类，用于内存单帧图像
   cv::Mat img;
 
   int frame_id = 0;