Double-Cut During the War of Resistance: My Wife Came from 1937

In 1937, the evil Japanese instigated the July 7th Incident and launched a full-scale invasion of China, in which the Chinese people and soldiers rose up in resistance.
A female medic from the Eighth Route Army named Xia Weiwei miraculously appeared in a rural supply and marketing cooperative in 2026.
Looking at the dazzling array of goods on the shelves, and the strange man wearing a vest and shorts.
"Which film crew are you from? Your outfit looks quite professional!"
Ma Hongwei smiled and walked towards the other person, asking, "What do you want to buy?"
Xia Weiwei pulled out a grenade from her waist and said warily, "Don't come any closer, or I'll take you down with me!"
It wasn't until the system panel appeared that the two realized each other's identities.
"Sir, our commander is injured. Can you get some sulfonamides?"
"Yes, we have as much as you want, we can even get our hands on penicillin!"