Some of the common tricks in historical novels included: Changing the sequence of historical events: Many time-travel novels would change the sequence of historical events after the protagonist transmigrated, making the outcome of something that should have happened unimaginable. Such an arrangement would often destroy the logic and authenticity of history. 2. Add fictional characters and plots: Many time-travel novels add fictional characters and plots to enrich the story. However, this method often destroyed the authenticity of history and confused the readers 'understanding of history. 3. Over-exaggerating the protagonist's ability and influence: Many historical time-travel novels often over-exaggerate the protagonist's ability and influence, sometimes even ignoring the influence of other historical figures. This kind of exaggeration often caused readers to misunderstand the understanding of history. 4. Tampering with historical records: Many historical novels would tamper with historical records after the protagonist transmigrated to change the original historical truth. Such an approach would often destroy the authenticity of history and the objective nature of history. 5. Fictional Future World: Many historical novels would make up a fictional future world based on the historical background to make the story more colorful. However, this practice often confused the readers 'understanding of history and reality. 6. Deliberately creating contradictions and conflicts: Historical novels often deliberately create contradictions and conflicts to attract the reader's interest. This method often made the story chaotic and incoherent. Historical time-travel novels needed to respect the authenticity and objectiveness of history, not deliberately tamper with or fabricate history.