1. Ambiguity: The title should clearly reflect the theme and research content of the paper. If the title is ambiguous, readers may misunderstand the content of the paper.
2. Too broad: the title should be specific enough to let readers know the main research content of the paper. Too broad a title may confuse readers and make them unclear about the specific research direction of the paper.
3. Too complicated: the title should be concise and clear, and avoid using complicated vocabulary and sentence structure. Too complicated a title may confuse readers and make them unwilling to read the paper.
4. Lack of innovation: headlines should be able to attract readers' attention and stimulate their interest. If the title lacks innovation, it may make readers lose interest in the paper.
5. Grammatical errors: titles should follow correct grammatical rules to avoid spelling errors and punctuation errors. These mistakes may leave an unprofessional impression on readers.
6. Inconsistent with the content: the title should accurately reflect the content of the paper. If the title is inconsistent with the content, it may mislead readers and affect the understanding of the paper.
7. Excessive exaggeration: Although the title needs to be attractive, the exaggerated title may make readers doubt the authenticity of the paper.
8. Keyword missing: In academic papers, keywords are very important for search and classification. If the title lacks keywords, it may affect the popularity and citation rate of the paper.
Generally speaking, the title of a good paper should be clear, specific, concise, innovative, accurate and attractive, and contain relevant keywords.