diff --git a/school_card_detect/window.py b/school_card_detect/window.py
index a2250b6..2dc4d77 100644
--- a/school_card_detect/window.py
+++ b/school_card_detect/window.py
@@ -22,6 +22,7 @@ class MainWindow(QTabWidget):
         self.output_size = 1000
         self.img2predict = ""
         self.initUI()
+        self.webcam=False
         self.reset_vid()
 
     def load_custom_font(self):
@@ -260,6 +261,7 @@ class MainWindow(QTabWidget):
         self.mp4_detection_btn.setEnabled(False)  # 禁用 MP4 检测按钮
         self.vid_stop_btn.setEnabled(True)  # 启用停止按钮
         self.cap = cv2.VideoCapture(0)
+        self.webcam=True
         th = threading.Thread(target=self.process_video)  # 创建一个新的线程
         th.start()  # 启动新线程
 
@@ -277,7 +279,8 @@ class MainWindow(QTabWidget):
     def process_video(self):
         while True:
             ret, frame = self.cap.read()
-
+            if self.webcam:
+                frame = cv2.flip(frame, 1)
             if ret:
                 new_height = 400 * frame.shape[0] / frame.shape[1]
                 frame = cv2.resize(frame, (400, int(new_height)), interpolation=cv2.INTER_CUBIC)
@@ -300,6 +303,7 @@ class MainWindow(QTabWidget):
 
     # 界面重置
     def reset_vid(self):
+        self.webcam=False
         self.webcam_detection_btn.setEnabled(True)
         self.mp4_detection_btn.setEnabled(True)
         self.vid_img.setPixmap(QPixmap("images/UI/logo.png"))
diff --git a/项目演示.mp4 b/项目演示.mp4
new file mode 100644
index 0000000..61fe9f4
Binary files /dev/null and b/项目演示.mp4 differ