How to deodorize the Xiaomi Microwave Oven if there's an odor after a period of using?

You can use the following three methods to eliminate lingering odors in the cavity.
1. Place a few lemon slices in a cup in the microwave oven and heat on high power for 2-3 minutes;
2. Place a glass of black tea in the microwave oven and heat on high power for 2-3 minutes;
3. Place some orange peels in the microwave oven and heat on high power for 1 minute.