运行main.py出错，求解释一下

[WanQianSucceed]

OpenCV Error: Assertion failed (size.width>0 && size.height>0) in cv::imshow, file ......\modules\highgui\src\window.cpp, line 281
Traceback (most recent call last):
File "E:/FirefoxDownload/answer-sheet-scan-master/main.py", line 8, in
cv2.imshow("img", frame)
cv2.error: ......\modules\highgui\src\window.cpp:281: error: (-215) size.width>0 && size.height>0 in function cv::imshow

[ouihon]

cv2.VideoCapture(1)改为cv2.VideoCapture(0)，因为你电脑没两个摄像头