That bun is high in calories. If you must eat it, change it to whole wheat bread. This is good for your health. You can change rice into rice porridge at noon. Pay attention to staple food and meat instead of calories. Try not to eat potatoes, potatoes and meat together. It's strange to eat apples and rice at night. It's better to change to cucumbers or something.

This will make you thin, and if you add proper exercise, you will soon lose weight.