Busy Farming on the Island: Holding the System in Your Hand Travels Through the Past and Present

After both parents died, the eldest brother was seriously ill, the younger brother was young, and the family had no food. The burden of the family's survival fell on Tuan Yuan'er's shoulders. She was worried! She heard that knowledge can change destiny. She holds a time-travel system and can travel to a thousand years into the future when supplies are abundant. It's just... Changing your destiny also comes with a cost! If she wanted to travel through time, she had to complete a mission. She finally managed to do so, but she couldn't bring back much. There was actually a time limit for her stay, and the timeout system threatened her with self-destruction... However, she didn't panic at all. She brought back agricultural books to grow food, learned medical skills, and could memorize recipes! He opened a farm, treated diseases and saved people, and ran a restaurant. Her elder brother succeeded in the imperial examination, and her younger brother was admitted to a provincial school. She also met him, who was like an immortal, and her days became more and more prosperous, making everyone in Chengjia Village envious!