Unable to recognize QR codes captured through mobile phone photography

[qingshani]

识别不出照片文件。我通过摄像头拍照然后识别 无法识别出来，但是我将二维码图片上传识别却能识别出来。都是同一张二维码
我找不到问题所在，毫无头绪，很难过，请帮帮我

Unable to recognize the photo file. I couldn't recognize it by taking photos with my camera, but I was able to recognize it by uploading the QR code image. They are all the same QR code
I can't find the problem, I have no clue, it's very sad，Please help me