I think the most important thing is the story, that is, some characters may not be important in history, but the consideration of the plot in TV series will make this character very important, but this character should be regarded as an unimportant person in history, but some characters have played a great role in history, but they may not meet the needs of TV series, so it is possible to remove this character from TV series or make this character appear less scenes, so in this respect.