If the format of the reference is correct, it will be identified and filtered by the duplicate checking system of China Knowledge Network. Gray font, not involved in the research of the paper. If the most important references in HowNet are marked in red, there are two reasons: 1. Using fake China HowNet to check the duplicate of papers, if using fake HowNet to check the duplicate, it is naturally impossible to effectively identify references. It's not surprising that the references of duplicate checking in China HowNet are marked in red. Here, we will learn how to verify authenticity. For details, please refer to the article ""shared before HowNet Tea Collection. 2. The format of the reference is incorrect. The format of graduation thesis references is incorrect, which makes CNKI unable to recognize these references and use them as the annotation content of the article. In fact, if these references are properly formatted, they will be recognized by CNKI detection, so they are not easy to be included in the detection level. Generally speaking, it is no problem to follow the school's reference format. If the format requirements are not given by the school and the references are marked in red, then we can set the correct document format as follows: 1. There is a clear "reference" mark, and the four words cited are exclusive to one line. The following are all references; 2. Each reference has an obvious label, which can be any of the following: [Num], [Num], [num]; 3. Labels can be generated automatically by Word or by handwriting; 4. Don't add punctuation in the label, for example, don't Num. ] or (Num,), etc. 5. It is best to have time to rest or URL or bibliography information for each citation; 6. There should be no manual line breaks or carriage returns in the reference and at the end of the reference.