在文字识别OCR很多内容没有识别出来，为什么？

在文字识别OCR很多内容没有识别出来，为什么？其中有我需要的收款账号和大写金额，建设银行的都有问题，其他银行问题不大。requestId：BFE8DA88-4057-5A87-A868-25C62DDF5FBF https://next.api.aliyun.com/api/ocr/2019-12-30/RecognizeTable
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