What is the first episode of Huanzhugege Little Swallow writing poems at school?

In the first part of Princess Pearl, the story of Little Swallow going to school to write poems appeared in 18.

In this episode, the swallow feels inferior and helpless because she can't read. With Wei Zi's encouragement and help, she began to study and finally wrote a poem to express her gratitude to Wei Zi. This plot shows the courage and tenacity of Swallow, and also shows Wei Zi's care and guidance for Swallow.