I think it should be filled in according to the real test situation, and it should be no problem to add the content of the conclusion report on the basis of the progress report, because the previous test method is not ideal or the obtained data is unreliable, so it is very likely to change the method and redesign it before testing. I don't know if your inconsistency is the result of different contents or the same experiment. The research of fund projects can give others successful experience, and also let others be warned of the reasons why you are unsuccessful, as long as it reflects the real situation.