Please recommend a novel in which the female protagonist transmigrated and impersonated someone. She had forensic skills and solved the case, while the male protagonist was a constable.

This article should not be finished yet: The female protagonist traveled through time, wore clothes, and then met a terminally ill woman. After the woman died, she impersonated her. Then she went to find the woman's relative (the relative was a small official) and later helped solve the case. The male protagonist was a constable.
I remember there were two plots: one was the female protagonist helping to examine a female corpse, but the female corpse was only faking her death and was saved by the female protagonist.
2. They lived in the temple, but the temple was haunted and several people died. Later, the female protagonist found out that the host was the real murderer and saved the prince's life. Because the prince was gay, he hated the blind dates that the imperial concubine found for him. When he found that he did not hate the female protagonist, he even asked the female protagonist for a marriage.)

Answer 1

I recommend the following two novels:

1. [Forensic Princess Online Clearing Her Name]: The female protagonist is a beautiful forensic doctor from the 21st century who transmigrated to a dynasty that was not recorded in history to solve a case. The male protagonist is a figure in the public security system. The two of them work together to solve the case.

2. " My Wife Is a Forensic Doctor ": The female protagonist traveled to ancient times and was framed as a murderer. As a forensic doctor, she solved the case. The male protagonist was the evil prince.