The Little Military Doctor Who Was Favored by the Regiment Turned Black and Became a Phoenix in the World

[Travelling, no system, no space, no cheats] The girl rescued someone from falling into the water and accidentally traveled through time. A woman disguised herself as a man and went to the military camp to learn medicine from her master. In the military camp, she innovated ideas, renovated the training ground, improved her life, attracted investment, and made military exploits. Worried about his identity being exposed, he took the initiative to confess and faked his death to escape. Opened a hotpot restaurant, met the general again, followed the general's family back to the capital, recognized relatives, set up a stall, opened a shop, was framed by an acquaintance, and saved the day several times...