diff --git a/vid_chk.py b/vid_chk.py
new file mode 100644
index 0000000..21d557d
--- /dev/null
+++ b/vid_chk.py
@@ -0,0 +1,18 @@
+import cv2
+
+flag = False
+vidId = 1
+cap = cv2.VideoCapture(vidId, cv2.CAP_DSHOW)
+while not flag:
+    suc,im = cap.read()
+    cv2.imshow("image",im)
+    k = cv2.waitKey(0)
+    if k & 0xff == ord('q'):
+        cap.release()
+        cv2.destroyAllWindows()
+        flag=True
+    else:
+        vidId+=1
+        cap.release()
+        cap.open(vidId, cv2.CAP_DSHOW)
+        print(f"使用摄像头索引: {vidId}")
\ No newline at end of file